Инструкция на Наружные индивидуальные блоки VRF-системы V4+ (сервис мануалы) бренда MDV

1. Model Line Up

Outdoor units (Individual Unit): 18/20 HP 30HP 2. Maximum Indoor Units Table Capacity (HP) Model Max. indoor units nos. 18 MDVi-530W/DRN1-i 20 20 MDVi-560W/DRN1-i 24 30 MDVi-850W/DRN1-i(B) 32 3. Capacity Range of Indoor Units Power supply of all the indoor units is 1 phase, 220-240V or 3 phase…

Ceiling & Floor Wall-mounted -S Type Wall-mounted -C Type √ √ √ √ √ √ √ √ √ √ √ √ √ √ Console Concealed Floor-standing Exposed Floor-standing Exposed Floor-standing (New panel) √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ Fresh Air processing Unit 22 √ √ Specification & Performance √ √ √

Part 2

Selection Procedure 1 Introduction 24 2 Unit selection (Based on cooling load) 27 Outdoor Specification & Performance 23

1 Introduction

1.1 Model Selection Procedure Select the model and calculate the capacity for each refrigerant system according to the procedure shown below. ●Calculation of the indoor air-conditioning load, Calculate the maximum air-conditioning load for each room or zone. Selection of an air conditioning system…

may be considered

The indoor and outdoor unit combination is determined that the sum of indoor unit capacity index is nearest to and smaller than the capacity index at 100% combination ratio of each outdoor unit. Up to 8~16 indoor units can be connected to one outdoor unit. It is recommended to choose a larger…

H (m)

% - 10 - 20 - 30 - L (m) L: Refrigerant pipe equivalent length H: Height difference between outdoor and indoor 1.5.2Heating capacity modification Modification coefficient of the length and height difference of refrigerant pipe: H (m) % 10 - 10 - 20 - 30 - L: Refrigerant pipe equivalent length H…

2 Unit selection (Based on cooling load)

2.1Given condition 2.1.1Design condition (Cooling: Indoor 20°C (WB), Outdoor 35°C (DB)) 2.1.2Cooling load Location Room A Room B Room C Room D Room E Room F Load (kW) 2.1 2.8 3.5 4.6 5.8 7.2 2.1.3 Power supply unit: Outdoor 380~415V-3Ph-50Hz, Indoor 220~240V-1Ph-50Hz. 2.1.4Pipe length: 50m…

Load (kW)

2.1 2.8 3.5 4.6 5.8 7.2 Unit size Capacity (kW) 2.22 2.83 3.64 4.55 5.66 7.18 2.4 Conclusion Generally, we think this result is acceptable, so we can think we have accomplished the calculation. But if you think this result is not acceptable, you can repeat the above process. Remark: In this sample…

1. Specifications

Fin type (code)

Tube outside dia. mm Tube type Coil length x height mm Number of circuits Outdoor air flow 3 m /h Hydrophilic aluminum Hydrophilic aluminum Ф7.94 Ф7.94 Inner-grooved Inner-grooved 1864*1232* 2 1864*1232* 23000 23000 0~20 (default) 0~20 (default) 20~81.8 (optional) 20~81.8 (optional) External static…

Cooling

(*1) Heating (*2) Outdoor Specification & Performance Capacity W 85000 Input W 26600 EER W/W 3.2 IPLV W/W 1.98 Capacity W 95000 Input W 24400 COP W/W 3.9 Max. input consumption W 38390 Max. current A 62.5 Model E405DHD-36D2YG Quantities 1 Type DC Inv Brand DC Inv. compressor Hitachi Capacity Btu/h…

Number of circuits

Outdoor air flow 22 m3/h 27900 0~20 (default) External static pressure Pa Outdoor sound level (*3) dB(A) 64 Dimension(W*H*D) mm 2540*1615*765 Packing (W*H*D) mm 2600*1800*825 Net/Gross weight Kg 655/690 kg R410A 21kg Outdoor unit Charged refrigerant type and volume Throttle type EXV Excessive…

2.4 30HP Dimensions

2.5 Valve explanation

18,20HP Float valve in gas side The pipe for connect with gas vent (The dimension of the connected pipe is Φ31.8 ) Gauge point (For refrigerant replenishment) Liquid side stop-valve The pipe for connect the liquid side (Accessory) (The dimension of the connected pipe is Φ19.1 ) 30HP 3. 36 Piping…

18/20HP

SV6 Liquid side stop valve Heat exchanger Out door branch EXVA Heat exchanger ST2 Out door branch EXVB SV6 ST1 Gas side stop valve SV5 Oil separator High pressure switch High pressure accumulator Constant Constant Constant invert SV2 Gas liquid separator SV4 Low pressure switch For 30HP Capacity…

SV6

EXVA ST1 EXVC ?22 EXVB EXVD ST2 SV6 SV5 SV3 HP SV2 oil seperator HPS fix compressor 5 fix compressor 4 LP fix compressor 3 fix compressor 2 fix compressor 1 SV4 Compressor Inverter ?38 Key Components: Oil Separator: It is used to separate oil from high pressure & temperature gas refrigerant that is…

temperature is over-high in cooling mode, and close when the unit is standby or system is in heating mode. High pressure sensor: To supervisor the discharge pressure of the compressor and to control the DC fan speed. 4. Electric Characteristics Model Outdoor Unit Power Supply Compressor OFM Hz…

Outdoor Specification & Performance Capacity Tables

5.4 Field Wiring

a) Terminal of Outdoor unit The special wire joint for Network Fee counting system b) Wiring between Indoor and Outdoor unit Note: 1. The signal connecting line between indoor and outdoor units and indoor units has polarity. When connecting, be careful to prevent error connection. 42 Capacity Tables

2. Signal line shall adopt three-core shielded wire with an area above 0.75 mm . 3. Do not bind signal line and copper pipe together with belting. 4.Make sure that the shield metal layer should be grounded well indoor control box in order to prevent interference. 5. it‘s forbidden to connect 200V or…

Below 20 m

20 to 50 m Remark: The above selection is just for reference, it should be considered that the cable layout, space between cable and surroundings, etc. for an actual electrical project 6. Operation Limits Outdoor temp. Indoor temp. Room relative humidity Cooling mode -5°C ~ 48°C 17°C ~ 32°C below…

7. Capacity Tables

70% 46 Outdoor Specification & Performance 12 35.78 5.61 42.59 6.81 49.59 8.06 53.00 8.71 56.41 9.38 63.41 10.72 66.06 10.82 14 35.78 5.71 42.59 6.94 49.59 8.22 53.00 8.88 56.41 9.55 63.41 10.93 65.30 10.76 16 35.78 5.82 42.59 7.07 49.59 8.39 53.00 9.06 56.41 9.75 63.03 11.06 64.36 10.95 18 35.78…

Note: 1, Outdoor Specification & Performance 27 24.99 4.61 29.91 5.67 34.64 6.84 37.10 7.46 39.56 8.13 44.29 9.53 49.21 11.04 29 24.99 4.90 29.91 6.02 34.64 7.27 37.10 7.96 39.56 8.65 44.29 10.16 49.21 11.80 31 24.99 5.17 29.91 6.38 34.64 7.74 37.10 8.45 39.56 9.21 44.29 10.82 49.21 12.57 33 24.99…

18HP Heating mode

-19 -18.8 -19 38.21 1.37 38.21 1.43 38.02 1.48 38.02 1.51 37.84 1.54 -16.7 -17 -16.7 -17 39.71 1.41 39.52 1.46 39.52 1.52 39.34 1.55 39.34 1.57 -13.7 -15 -13.7 -15 41.39 1.45 41.21 1.50 41.02 1.56 41.02 1.58 41.02 1.61 -11.8 -13 -11.8 -13 43.08 1.49 43.08 1.54 42.89 1.59 42.89 1.62 42.89 1.64 -9.8…

Note: 1, Outdoor Specification & Performance -8.5 -9.1 -8.5 -9.1 46.53 1.81 43.91 1.68 41.30 1.56 39.80 1.50 38.50 1.44 -7 -7.6 -7 -7.6 46.53 1.73 43.91 1.61 41.30 1.49 39.80 1.44 38.50 1.38 -5 -5.6 -5 -5.6 46.53 1.62 43.91 1.51 41.30 1.40 39.80 1.35 38.50 1.60 -3 -3.7 -3 -3.7 46.53 1.53 43.91 1.43…

20HP Cooling mode

70% 52 Outdoor Specification & Performance 14 37.80 6.07 45.00 7.38 52.40 8.73 56.00 9.44 59.60 10.15 67.00 11.61 69.00 11.43 16 37.80 6.19 45.00 7.51 52.40 8.91 56.00 9.62 59.60 10.36 66.60 11.75 68.00 11.64 18 37.80 6.30 45.00 7.65 52.40 9.07 56.00 9.81 59.60 10.56 65.80 12.14 67.20 12.23 20 37.80…

Note: 1, Outdoor Specification & Performance 29 26.40 5.20 31.60 6.39 36.60 7.72 39.20 8.45 41.80 9.19 46.80 10.79 52.00 12.53 31 26.40 5.50 31.60 6.78 36.60 8.23 39.20 8.98 41.80 9.78 46.80 11.50 52.00 13.36 33 26.40 5.84 31.60 7.22 36.60 8.75 39.20 9.55 41.80 10.43 46.80 12.26 52.00 14.25 35 26.40…

20HP Heating mode

90% 80% 70% Outdoor Specification & Performance -19.8 -20 40.20 14.55 40.00 15.15 40.00 15.77 39.80 16.08 39.80 16.37 39.60 17.00 -18.8 -19 40.80 14.73 40.80 15.33 40.60 15.94 40.60 16.25 40.40 16.56 40.40 17.16 -16.7 -17 42.40 15.15 42.20 15.73 42.20 16.31 42.00 16.60 42.00 16.89 42.00 17.48 -13.7…

Note: 1, Outdoor Specification & Performance -9.8 -11 47.49 19.16 46.89 19.14 44.10 17.72 42.50 17.04 41.11 16.35 38.31 15.02 -9.5 -10 48.69 19.32 46.89 18.58 44.10 17.20 42.50 16.54 41.11 15.89 38.31 14.61 -8.5 -9.1 49.69 19.43 46.89 18.08 44.10 16.75 42.50 16.10 41.11 15.48 38.31 14.23 -7 -7.6…

30HP cooling mode

70% 58 Outdoor Specification & Performance 14 57.38 0.95 68.31 1.15 79.53 1.37 85.00 1.48 90.47 1.59 101.69 1.82 104.73 1.79 16 57.38 0.97 68.31 1.18 79.53 1.39 85.00 1.51 90.47 1.62 101.09 1.84 103.22 1.82 18 57.38 0.99 68.31 1.20 79.53 1.42 85.00 1.53 90.47 1.65 99.88 1.90 102.00 1.91 20 57.38…

Outdoor Specification & Performance 27 40.07 0.77 47.96 0.94 55.56 1.14 59.50 1.24 63.44 1.35 71.04 1.58 78.93 1.84 29 40.07 0.81 47.96 1.00 55.56 1.21 59.50 1.32 63.44 1.44 71.04 1.69 78.93 1.96 31 40.07 0.86 47.96 1.06 55.56 1.29 59.50 1.41 63.44 1.53 71.04 1.80 78.93 2.09 33 40.07 0.91 47.96 1.13…

30HP heating mode

70% Outdoor Specification & Performance -16.7 -17 63.94 2.31 63.63 2.40 63.63 2.49 63.34 2.53 63.34 2.58 63.34 2.66 -13.7 -15 66.65 2.38 66.35 2.46 66.04 2.55 66.04 2.59 66.04 2.63 65.75 2.72 -11.8 -13 69.37 2.45 69.37 2.53 69.07 2.61 69.07 2.65 69.07 2.69 68.76 2.77 -9.8 -11 72.68 2.51 72.38 2.59…

Outdoor Specification & Performance -5 -5.6 74.93 2.66 70.71 2.48 66.50 2.30 64.09 2.21 61.98 2.61 57.78 1.96 -3 -3.7 74.93 2.50 70.71 2.34 66.50 2.17 64.09 2.09 61.98 2.01 57.78 1.85 0 -0.7 74.93 2.28 70.71 2.13 66.50 1.98 64.09 1.91 61.98 1.84 57.78 1.70 3 2.2 74.93 2.08 70.71 1.95 66.50 1.82…

8. Sound Levels

Standard of testing Front 1.3 m 1 m Test value Outdoor unit (HP) Noise level (dB) Sound Curve: 18,20 HP Audibility limits of continuous white sound 1000 2000 4000 8000 Octave band center frequency（Hz） Installation 63

30HP

Sound pressure level dB（0dB=0.0002¦ Ìbar） 70 NC-60 60 NC-50 50 NC-40 40 NC-30 30 NC-20 20 Audibility limits of continuous white sound 1000 2000 4000 8000 Octave band center frequency（Hz） 9. Outdoor Fan performance 9.1 18/20HP Curve diagram of static pressure, air flow volume: 9.2 30HP Curve diagram…

10 Accessories

10.1 Standard accessories No Name Quantity Purpose / 1 Outdoor unit installation manual 1 2 Outdoor unit owner‘s manual 1 (Be sure to deliver it to the customer) 3 Indoor unit owner‘s manual 2 (Be sure to deliver it to the customer) 4 Screw bag 1 Spare 5 Toggling flathead screw 1 For toggling of…

11 Functional parts and safety devices

Item Compressor Symbol Name Inverter compressor E405DHD-36D2YG E405DHD-36D2YG FIX1 Fixed speed compressor E605DH-59D2YG E605DH-59D2YG FIX2 Fixed speed compressor E605DH-59D2YG E605DH-59D2YG FIX3 Fixed speed compressor E605DH-59D2YG Compressor Open temperature Safety OLP Starting current --/62A/62A…

1. Installation Introduction

1.1 Select the Refrigerant Piping for V4+ modular type 1.1.1 Length and drop height permitted of the refrigerant piping Note: Each branch equals to 0.5m pipe length. Note： 1. All branches must be purchased from Midea, otherwise system is induced to malfunction. 68 Installation

1.1.2 Select the refrigerant piping

Note: The equivalent length for all liquid pipes is L1+L2+L3...+L7+L8...+L9+0.5×6 (The equivalent length for each branch pipe is 0.5m) Size of joint pipes for R410A Outdoor unit Size of joint pipes for R410A indoor unit Installation 69

Size of joint pipes for R410A outdoor unit

The dimension of indoor unit brunch pipe and the connective method 70 Installation

Note: For ensuring the optimal efficiency of indoor unit, please limit the pipe length within 5m, otherwise, if the length exceed than 10m, would affect the unit efficiency. The length over than 20m is unallowable. 1.1.3 Pipe selection example E.g. Take Fig. 5-4 the 20HP pipe as example verifies the…

Moisture of refrigerant pipe

Product of the chemical reaction between ice or water of throttling parts and the refrigerant damages the insulation of the compressor motor Poor heat dissipation of outdoor unit Degraded efficiency or Improper Degraded heat exchange effect of indoor unit installation abnormal protection location No…

Civil work for outdoor unit Avoid short-circuit ventilation and ensure sufficient maintenance space Installing outdoor unit Avoid short-circuit ventilation and ensure sufficient maintenance space Air tightness test Check whether the air pressure remains at 4.0Mpa (R410a) after correction is made…

Note: It is no need to insulate the drainpipe if you choose the plastic pipe as drainpipe

1.3.5 Electric wiring 1.3.5.1Please select power supply for indoor unit and outdoor unit separately. Both indoor units and outdoor units should be grounded well. 1.3.5.2The power supply should have specified branch circuit with leakage protector and manual switch. 1.3.5.3Please put the connective…

high fan speed first, after the system operated, test following operation parameters of the system,

including indoor units and outdoor units parameters. 1.4 Installation Preparation 1.4.1 Installation tools and instruments All the necessary tools should be available, and their models and specifications should meet the installation and technical requirements. The instruments and meters should be…

The construction plan should be concise and focuses on key procedures, construction method, and time

coordination, space disposal of the construction around the features of the engineering, thus to ensure smooth construction operation. 1.4.4. Training of installation team Establish sound training mechanisms. Service engineers are required to train installation team managers, work supervisors to…

(1)Be sure only trained and qualified service personnel to install, repair or service the equipment

Improper installation, repair, and maintenance may result in electric shocks, short-circuit, leaks, fire or other damage to the equipment. (2)Install according to this installation instructions strictly. If installation is defective, it will cause water leakage, electrical shock fire. (3)When…

(2) Be sure to install an earth leakage breaker

Failure to install an earth leakage breaker may result in electric shocks. (3) Connect the outdoor unit wires, and then connect the indoor unit wires. You are not allowed to connect the air conditioner with the power source until wiring and piping the air conditioner is done. (4) While following the…

typically 400x400mm)

7) Avoid short-circuit ventilation. Purpose: Ensure sufficient heat exchange of indoor unit and good air conditioning effect. Risk of incorrect operation: Poor air conditioning effect; abnormal protection of the set. 2.2. Installation of Outdoor Unit 2.2.1. Acceptance and unpacking 1. After the…

Outdoor unit

Φ10 Expansion bolt Rubber shocking proof mat Solid ground or roofing Concrete basement h=200mm 200mm >1m >800mm Remark: The key points to make basement: 1) The master unit‘s basement must be made on the solid concrete ground. Refer to the structure diagram to make concrete basement in detail, or…

>800mm

>1m MCAC-VTSM-2011-09 >1m Front Front >1m >1m Front Front 100-500mm >1m 3) More than two rows Front >1m Front Front Front Front 100-500mm >800mm >1m Front >1m >1m H >1m H-h 4) When the outdoor unit is lower than the surrounding obstacle, Refer to the layout used when the outdoor unit is higher than…

D

A C B Front view Side view A A B B Front view A C Front view >45° B >300mm >1000mm D Airflow deflector 6) Set the snow-proof facility In snowy areas, facilities should be installed to prevent snow. (See the figure below) (defective facilities may cause malfunction.) Please lift the bracket higher…

2.2.7. Mount the air deflector

2.2.7.3 Installation of MDVi-530W/DRN1-i,MDVi-560W/DRN1-i Schedule 1: Schedule 2: Installation 83

Note: Before install the air deflector, please ensuring the mesh enclosure has been took off; otherwise the air supply efficiency would be block down. Once mounting the shutter to the unit, air volume, cooling (heating) capacity and efficiency would be block down, this affection enhance along with…

3. Refrigerant Pipe Engineering

3.1.Refrigerant Pipe Processing 3.1.1Basic requirements 3.1.1.1. Operation procedure Determine the route and size of the pipeline according to the construction drawingMake and installing bracket, hanger and supportMake and arrange pipe accessories  Recharge nitrogen gas for protection Brazing…

replace thermal insulation material, ―U‖-shape pipe

should be fixed outside the round log, and the round log should be provided with anticorrosion treatment. Pipe Diameter (mm) Less than Ф20 Ф20-40 Larger than Ф40 Interval between support points (m) 1. 5 2. 0 2. 5 3. Local fixing To avoid stress concentration due to expansion and shrinkage of the…

b. Ensure that the distance between the horizontal straight pipe sections of the two adjacent branch

pipes is larger than or equal to 1m. c. Ensure that the distance between the branch pipe and the horizontal straight pipe section used to connect the indoor unit is larger than or equal to 0. 5m. 3.1.2. Storage and maintain of copper pipe 3.1.2.1. Pipe carriage and storage 1. Avoid the pipe from…

2) When the copper pipe goes outside the wall, ensure that no rain water can enter the pipe, particularly when the pipe is placed upright. 3) Before completing the pipe connection, seal the openings of the pipe with covers. 4) Place the openings of the pipe vertically or horizontally. 5) Before…

2. Correct operation procedure

Rotate the pipe evenly and slowly, and apply force to it. Cut the pipe off while ensuring that it does not deform. 3. Risk if a saw or cutting machine is used to cut pipe: Copper chip will enter the pipe (in this case, it will be very hard to clean up), or which may evenenter the compressor or…

Torque

Pipe Legend Diameter (kgf-cm) (N-cm) 1/4" (6. 35) 144~176 1420~1720 3/8" (9. 52) 333~407 3270~3990 1/2" (12. 7) 504~616 4950~6030 5/8" (15. 88) 630~770 6180~7540 3/4" (19. 05) 990~1210 9270~11860 torque spanner Spanner Flaring opening nut tubing tie-in Caution: When you are tightening the flaring…

appear on the inner side of the pipe, and the pipe may easily get broken

4) Ensure that the pipe does not sink during the bending process; ensure that the cross section of the bending pipe is larger than 2/3 of the original area, otherwise it cannot be used. twinkle will easily appear on this side the pipe sink easily on the side 3.1.4 Brazing welding operation 3.1.4.1.…

3. Making Nitrogen-Charging Pipe Joint

When welding the pipe joint, connect the nitrogen-charging joint to the pipe fittings to be welded. The nitrogen-charging joint is shown below: 4. Cautions for Welding Pipe Fittings 1) Adopt transition pipe. 2) Charge nitrogen from the side of the short pipe, because short distance may result in…

1) Control the nitrogen pressure to be about 0.2-0.3kgf/cm² during the welding

2) Ensure the gas is nitrogen; oxygen will easily leads explosion, so it is forbidden. 3) Use pressure reducing valve, and control the pressure of the charged nitrogen to be about 0.2kg/ cm². 4) Select a proper position for charging nitrogen. 5) Ensure that the nitrogen passes through the welding…

adopting polytetrafluoro ethylene or carbon dioxide, there is a risk of condensation. If using oxygen, there is a risk of explosion. 2. Making use of inflation tube to connect outlet of pressure adjusting valve and inlet at liquid pipe side of outdoor unit. 3. Use blind plug to block all connectors…

② ⑥ ⑤ ④ ③ ① Caution: When flushing one pipe opening, block all pipe openings which are connected to this opening. 6) After finishing flushing, seal soundly all openings linked with atmosphere to prevent the entering of dust, trash and moisture. 3.2. Air Tight Test 3.2.1 Purpose and operation…

3 MCAC-VTSM-2011-09 2 Phase 2: appear major leakage after over three minutes of pressurization with 15. 0kgf/cm . after modification 2 Phase 3: appear small leakage after over 24 hours of pressurization with R410A: 40.0kgf/cm . 3.2.2.2. Pressure observation 1. Pressurize to regulated value and…

b. Inner side of pipeline + upright

c. Inner side of pipeline + upright+ outer side of pipeline 3.3. Vacuum Drying 3.3.1 Purpose and highlights of vacuum drying 3.3.1.1. Purpose of vacuum drying 1. Dehumidify the system to prevent ice-blockage and copperizing. Ice-blockage shall cause abnormal operation, while copperizing shall damage…

4) Vacuum placement test: when the vacuum degree reaches -755mmH, keep rest for 1 hour. If the

indicator of vacuum gauge does not go up, it is qualified. If going up, it indicates that there is moisture and leak source. 5) Vacuum drying shall be conduct from liquid pipe and gas pipe simultaneously. There are a lot of functional parts like valves, which could shut down the gas flow midway.…

1)The different vacuum pump with one-way valve

2)The different pressure gauge: the nut of connector and pressure scale are different. 3)The different recharging soft pipe and connector. 4)The charging method is different. Recharge into the outdoor unit with liquid phase. 5)The different leak detector. 3.4.2 Calculating the recharged refrigerant…

Advantages of correct connection

1. Do not cause flow backwards of one pipe. 2. The slope of two pipes can be regulated separately. Disadvantages of incorrect connection: 1. Interfere drainage. 2. The side of branch pipe with large quantity of fluid volume will flow to the side with small quantity, thus leading to the water…

3. Check whether condensate water pump can be started up and shut down normally by infusing water

into the water-containing plate of indoor unit and powering on. 4. All joints shall be firm (particularly PVC pipe). 5. The drainage pipe is not allowed to turn to adverse slope, horizontal, and bending. 6. Dimension of drainage pipe shall be not less than the connecting mouth size of drain piping…

Attention: through converge point need use PVC40 or larger pipe

4.3.3. Relation between vertical pipeline diameter and displacement of condensate water Attention: through converge point need use PVC40 or larger pipe. 4.3.4. Operation process of concentrated drainage Install indoor unit → connect drainage pipe → water passing test and overflowing water test →…

follows

Note: Air outlet could not be installed on the lifting part; otherwise water shall be discharged to ceiling or could not be discharged. 4.5 Overflowing Water Test and Water Passing Test 4.5.1. Overflowing water test After finishing the construction of drainage pipe system, fill the pipe with water…

water-containing plate when maintaining air conditioner fault. During normal operation, the plug shall be filled in to prevent leakage. 5. Duct Engineering 5.1. Fabrication of Duct 1. The material, specification, performance and thickness of metal duct should be in accordance with the relevant…

3) Diameter of bolt and rivet to duct flange for middle/low pressure system should be no more than

150mm. As for duct of high pressure system, it should be no more than 100mm. 4) Four angles of rectangle duct flange should be designed with screw hole. 5) When improving the strength of duct flange position by adopting reinforcement method, the applied condition corresponding to flange…

reliable

2. The air port should be installed firmly and air pipe should be connected tightly. Frame should be tightly contact with decorate of building. The appearance should be smooth and flat, and regulation is flexible. 3. If air port is installed horizontally, deviation of levelness is no more than…

Note: After gas pipe and liquid pipe are carried out heat insulation separately, bind with tape. If it is bound over tightly, the spliced insulation joint shall be damaged. b. The surrounding of pipe connecting section shall be carried out insulation entirely. Highlights: 1. No gap in joint of…

6.2 Insulation of Condensate Water Pipe

6.2.1. Insulation of condensate water pipe 1. Select rubber/plastic tube with burning retardant of rating B1. 2. Thickness of insulation layer is usually above 10mm. 3. The insulation material at water outlet of unit body should be pasted with glue on the unit body, so as to avoid dewing and…

7. Electrical Engineering

Please refer to ―Part 3. Outdoor Units Specification & Performance‖. Highlights of electrical installation 1. Purchased wiring, parts and materials should be in compliance with the local and national regulations. 2. All field wiring construction should be finished by qualified electrician. 3. Air…

should be installed at the corresponding place

4) The wiring with different voltage should not pass through the same wire tube. 5) Total sectional area of wiring through wire tube shall not exceed 40% valid area of stuffing tube. 6) Fixing point of wire tube support shall follow the standard below: Nominal diameter of wire tube Largest gap…

7. Check whether the power phase sequence of outdoor unit is correct

8. All dial switches to indoor and outdoor unit have been set according to the Technical Requirement of Product. 8.2 Commissioning of Trial Run 8.2.1. Commissioning for trail run of single unit. 1. Each independent refrigeration system (i.e. each outdoor unit) should be conducted trail operation. 2.…

Commissioning Report for MDV System

Date: Item name: Address: Tel: Supplier: Delivery date: Installation section: Principal: Commissioning section: Principal: Remark: recharged refrigeration quantity to system: kg Name of refrigerant: (R410A) Installing section: (seal) Commissioning name: (seal) Signature: Signature: Date: 112 _ Date…

Test Data for Test Run of __________System

Model of outdoor unit Production series no. Operation data of outdoor unit (Cooling) Unit Run Voltage No.1 No.2 No.3 V Total current of run A Operation current of compressor High-pressure pressure Kg/cm Low-pressure pressure Kg/cm A 2 2 Inlet air temperature C Outlet air temperatureC Operation…

System parameter

SW1 : Used to query outdoor unit data. Check point sequence and corresponding actuality is as follows: SW2 : Used to query outdoor unit data. (18-20PH) Check point sequence and corresponding actuality is as follows: The 18HP-20HP Type: No. Normal Display 0.-- 1.-- 2.-- 3 3.-- 4 4.-- Content ADDR of…

1) Normal display

Display qty. of indoor units which could communicate with outdoor unit on standby mode. In case of cap. Requirement, display running frequency of the inverter compressor. 2) Running mode: 0--OFF/FAN; 2--COOL; 3--HEAT; 4--Constraint cool Fan speed: 0--left and right OFF; 1--left off and right low…

EXV

10 1.-- T3 pipe temp Actual value 26 7.-- A C ×8 Opening degree, Actual EXV ×8 B D value The limitation of 11 2.-- T4 ambient temp Actual value 27 8.-- Indoor unit 0, 1, 2, 3, 4 proformed mode Discharge temp, 12 3.-- inverter Actual value 28 9.-- Qty. of indoor unit Actual value compressor Discharge…

Part 5

Troubleshooting 1. Normal Air Conditioner Phenomenon 1181 2. Air Conditioner Protection in Common 1181 3. Malfunction Code and Troubleshooting 119 General Information 117

1. Normal Air Conditioner Phenomenon

1.1 When outdoor unit appears white vapor or water, the reasons is as follows: 1) The fan of outdoor unit stops to begin defrosting0. 2) The electromagnet valve sends out the noise when the defrosting begins and ends. 3) There is sound like water flowing when running or off; and the noise enlarges…

3. Malfunction Code and Troubleshooting

If there is phenomenon as follows, please stop air conditioner running and cut power supply and refer to the following. However, if the problem insists, please contact the customer service center of Midea commercial air conditioner company, and offer machine‘s model and detailed malfunction. 18-20HP…

spot inspecting

L3 Reserve L4 MCE error/ synchronize/ closed loop L5 Zero velocity protection L6 Reserve L7 Phase squence error protection L8 Display during spot inspecting Display during spot inspecting Display during spot inspecting Display during spot inspecting Display during spot inspecting The speed…

P3

Compressor overcurrent protection P4 Compressor discharge temp. protection P5 Outdoor condenser high temp. protection P6 Inverter module protection P9 Fan protection F1 Current protection, No.1 fixed compressor F2 Current protection, No.2 fixed compressor F3 Current protection, No.3 fixed compressor…

3.2 "E1"：Phase sequence malfunction

Outdoor Unit Display E1 Error Explanation A, B, C terminal of three-phase power supply correspond with U,V,W of the compressor. The compressor could work normally only when they make good matches. Supposed Causes 1. Phase sequence of the electricity supply does not match. 2. In most circumstance…

3.3 "E2": Communication failure between master

ODU and IDU Outdoor Unit Display E2(Master unit displays only) Error Explanation 1. Timer LED of indoor unit flashes quickly. 2. The number of indoor unit that displayed on outdoor unit changes . 3. Some of the indoor unit do not work, etc. Supposed Causes 1. IDU have the same address or the net…

Remarks

1. Press indoor unit‘s receiver button for 5 seconds, the indoor unit‘s communication address code is displayed; press it for 10 seconds, power code is displayed. Check every unit's address code. Codes are as 124 General Information

follows

Director light Running Timer Fan/defend cold fan Warning Code Address Capacity (×100W) HP 0.8 1.0 1.2 1.6 2.0 2.5 3.0 3.2 4.0 5.0 2. If the signal is weak, a 120Ω resistor should be installed at the end of P and Q line of indoor units, and another 120Ω resistor should be installed at the end of P…

3.4 "E4": Ambient temp. sensor malfunction

Outdoor Unit Display E4 Error Explanation ODU displays E4. Supposed Causes 1. The sensor terminal is loose. 2. The sensor circuit is short or open. 3. The main control board's clamp diodes are short or open. Troubleshooting 126 General Information

3.4 "E8": Outdoor unit address error

Outdoor Unit Display E8 Error Explanation ODU displays E8. Supposed Causes 1. Malfunction of chip or the foot of chip or the mistaken installation of the chip . 2. PCB malfunction. Troubleshooting E8：Outdoor unit address error OK Malfunction of chip or the foot of chip or the mistaken installation…

3.6 "E9": Voltage malfunction

Outdoor Unit Display E9 Error Explanation ODU displays E9. All the ODU standby. Supposed Causes 1.The voltage of power supply is too high or too low. 2.The voltage of power supply fluctuates. 3.The IC is loose or main board fails. Troubleshooting 128 General Information

3.7 "H0": Communication malfunction between DSP

and 780034 Outdoor Unit Display H0 Error Explanation DSP IC is used for providing running parameter to compressor. IC780034 send the system's parameter such as T3, T4, ODU power need, exhaust temp. etc. From which DSP IC calculates the compressor's frequency. Supposed Causes 1. The power supply of…

3.8 H1: Communication malfunction between IC

0537 and IC 780034 Outdoor Unit Display H1 Error Explanation For V4 and V3 series, error happens between IC 9177and IC 780034. For V4+ series, error happens between IC 0537 and IC 780034. Supposed Causes Troubleshooting 130 1. IC 9177 or IC 0537 or IC 780034 is defective. 2. Disconnection of the…

3.10 "H7": Outdoor unit quantities decreasing

malfunction Outdoor Unit Display H7 Error Explanation ODU displays H7. All the ODU standby. Supposed Causes 1. The communication terminal of IDU is loose. 2. The voltage transformer of IDU is defective. 3. IDU installation is not standard, which are not unified powered. 4. The control board of IDU…

3.11 "P0": The sensor protection on the top of inv

Compressor Outdoor Unit Display P0 Error Explanation One ODU displays P0 and changes to protecting standby state. Supposed Causes 1. 2. 3. 4. Refrigerant is not enough. Efficiency of outdoor heat exchange is low. Refrigerant does not loops smoothly Control board is defective Troubleshooting P0 132…

not enough or system leaks refrigerant. R410a DC Inverter V4 Plus i 50Hz System's refrigerant is not enough. Heat exchanger of IDU is inefficient. Refrigerant evaporates incompletely and flow into compressor at liquid state. Clean the heat exchanger and the filter. Make sure that the air flows…

3.12 "P1": High pressure protection

Outdoor Unit Display P1 Error Explanation One ODU displays P1 and changes to protecting standby state. Supposed Causes 1. 2. 3. 4. Refrigerant is excess. Refrigerant does not loop smoothly. The refrigerant loop contains air. Control board is defective. Troubleshooting 134 General Information

General Information

3.13 "P2": Low pressure protection

Outdoor Unit Display P2 Error Explanation One ODU displays P2 and changes to protecting standby state. Supposed Causes 1. 2. 3. 4. Refrigerant is not enough. Refrigerant does not loop smoothly. Efficiency of indoor heat exchange is low. Control board is not defective. Troubleshooting 136 General…

Remarks: When system appear 3 times P2 protection in 30 minutes, system will auto shut down and display H5 malfunction, which can recover only by restarting the machine . Malfunction should be promptly treated to avoid further damage. General Information 137

over current protection Outdoor Unit Display P3,F1,F2,F3,F4 ,F5 Error Explanation ODU displays P3,F1,F2,F3,F4,F5. Supposed Causes 1. 2. 3. 4. 5. Load on ODU is excess. Outdoor heat exchanging is not efficient. Refrigerant is excess. Compressor or its circuit is defective. Control board is defective.…

current of BP compressor is higher than 11A，it will be protected if the current of one fixed compressor is higher than 16A.) Check one by one to confirm the malfunction. General Information 139

3.15 "P4": Discharge temp. sensor protection

Outdoor Unit Display P4 Error Explanation One ODU displays P4 and changes to protecting standby state. Supposed Causes 1. Refrigerant is not enough. 2. Refrigerant does not loop smoothly. 3. Compressor needs more oil. 4. Control board is defective Troubleshooting 140 General Information

3.16 "P5": Pipe temp. sensor protection

Outdoor Unit Display P5 Error Explanation One ODU displays P4 and changes to protecting standby state. Supposed Causes 1. 2. 3. 4. System’s load is excess. Heat exchanging is not efficient. Liquid refrigerant is blocked. Refrigerant is mixed with impurities. Troubleshooting 141 General Information…

3.17 "P6": Module protection

Outdoor Unit Display P6 Error Explanation ODU displays P6. Supposed Causes 1. 2. 3. 4. DC generatrix is not lined correctly. DC generatrix low or high voltage protection. MCE malfunction. Compressor’s frequency changes incorrectly. Troubleshooting 1.1 DC generatrix detection 142 General Information

1.2 Voltage check of DC generatrix

1.2.1 Check the voltage of DC generatrix, which is normal between 510V and 580V. If less , go to next step. 1.2.2 Check the rectification circuit. Find out any loose in the circuit. Moreover check the filter board, rectifier stacks. Mind DC and AC switch on the meter while doing this. 1.2.3 If none…

2.3 The resistance between 1,2,3,4,5 should be infinite. If any of them is about 0, which means the module has already been broken down, we need to replace the module. 3 Compressor's characteristics 3.1 Measure the resistance among the compressor'sU,V,W respectively. The resistance should range from…

In normal situation

LED 1: Flash in 1Hz (slowly flash) when standby LED 1: On when running LED 2: Off Phenomenon A LED 2 red ON LED 1 green Flashes 8 times and stops for 1S, then repeat. Error: Inverter module failure Phenomenon B LED 2 red ON LED 1 green Flashes 9 times and stops for 1S, then repeat. Error: Low…

3.18 "P7": Fixed 1 current protection

Outdoor Unit Display P7 Error Explanation ODU displays P7. Supposed Causes 1. Load on ODU is excess. 2. Outdoor heat exchanging is not efficient. 3. Refrigerant is excess. 4. Compressor or its circuit is defective. 5. Control board is defective. Troubleshooting 146 General Information

P7

Current of fixed compressor is larger than 16A. ODU's load is excess. Adjust IDU's load or add ODU. Refrigerant is excess. Discharge part of the refrigerant to normal level. System contains nitrogen or air. Vacuumize the system and refill the refrigerant. System's liquid loop is blocked. Clear away…

3.19 "P8": Fixed 2 current protection

Outdoor Unit Display P8 Error Explanation ODU displays P8. Supposed Causes 1. 2. 3. 4. 5. Load on ODU is excess. Outdoor heat exchanging is not efficient. Refrigerant is excess. Compressor or its circuit is defective. Control board is defective. Troubleshooting 148 P8: Current of fixed compressor is…

3.20 "P9": Fan module protection

Outdoor Unit Display P9(V4+) Error Explanation ODU displays P9. Only V4+ series system would display this code. Supposed Causes 1. 2. 3. 4. Control box is too hot. Fan is blocked or is defective or is not powered correctly. Signal line is loose. Fan module is defective. Troubleshooting P9: Fan…

1. Electric System

Outdoor unit capacity setting switch Outdoor unit address setting switch General Information setting switch Net unit address Constraint cool button Query button 1.1 Wiring Diagrams and Field Wiring Wiring diagrams and field wiring please refer to ―6. Wiring Diagrams and field wiring‖ of ―Part 2…

30HP

Dial codes definition 152 General Information

S1 definition

Starting time is set about 3 minutes Starting time is set about 12 minutes(Default) S2 definition Night time selection is 6h/10h(default) Night time selection is 8h/10h Night time selection is 6h/12h Night time selection is 8h/8h S3 definition is reserved S4 definition Static pressure mode is 0…

ENC1: 0 indicates the master unit, 1-3 indicate slave unit

ENC2: 0, 1, 2, 3, 4 individually correspond 8HP, 10HP, 12HP, 14HP, 16HP ENC3: network address setting code 18-20HP No. Content No. Content 1 Curr. Detecting transformer, inverter compressor 17 Load output 2 Curr. Detecting transformer, No.1-3 fixed compressor 18 Low speed of left fan 3 Discharge…

Load output 31 Reserved 15 Electric expansion valve A driving port 32 Communication port 16 Electric expansion valve B driving port 33 Curr. Detecting transformer, inverter compressor 17 Electric expansion valve C driving port SW2 Query Instruction The 18HP-20HP Type: No. Normal Display 0.-- 1.…

Display qty. of indoor units which could communicate with outdoor unit on standby mode. In case of cap. Requirement, display running frequency of the inverter compressor. 2) Running mode: 0--OFF/FAN; 2--COOL; 3--HEAT; 4--Constraint cool Fan speed: 0--left and right OFF; 1--left off and right low…

compressor

Discharge temp, 13 4.-- No.1 fixed Actual value 29 0.-- compressor The last error or protection code No protection or error display 00 Discharge temp, 14 5.-- No.2 fixed Actual value 30 _ _ Check end compressor Discharge temp, 15 6.-- No.3 fixed Actual value compressor Remarks: 4) Normal display…

Shape 1

Shape 2 Dial codes definition 0/1 definition Means 0 Means 1 SW1 definition 1 means factory test mode 1 means DC fan is chosen 0 means default auto addressing 0 means AC fan is chosen mode 158 00 means DC fan static pressure is 01 means DC fan static pressure is 0 (reserved) 1 (reserved) 10 means DC…

SW2 definition

00 means shutting down the unit to 01 means shutting down the unit to stop cold air at 15℃ stop cold air at 20℃ 10 means shutting down the unit to 11 means shutting down the unit to stop cold air at 24℃ stop cold air at 26℃ 00 means the time of stopping fan 01 means the time of stopping fan (when no…

M_Home non-matching

4 LED flash together or display H0 Modes conflict Defrost LED flashes or display E0 Communicative error between indoor and outdoor units Timer LED flashes or display E1 Temperature sensor T1 error Run LED flashes or display E2 Temperature sensor T2 error Run LED flashes or display E3 Temperature…

system life will seriously effect, and appear the situation not to solve

4) The communication line between indoor units and outdoor units please use 3 core shielded wiring, while don‘t use the multi core wiring without shielded affect, for the interference is reduced each other 5) Purchased wiring, parts and materials should be in compliance with the local and national…

5) Total sectional area of wiring through wire tube shall not exceed 40% valid area of stuffing tube. 6) Fixing point of wire tube support shall follow the standard below: Normal diameter of wire tube Largest gap between fixed points of wire tube Mm Metal pipe Plastic pipe 15~20 1.5m 1m 25~32 2m…

2.1) Select the wire diameter, refer to the following table. (≥) (unit :mm2)

(unit: mm²) Outdoor unit capacity ＜20M ＜50M Outdoor unit capacity ＜20M ＜50M Outdoor unit capacity ＜20M ＜50M - - Power wiring refers to the main wire (a) connecting to branch box and the wiring (b) between branch box and power facilities. Please select the wire diameter according to the following…

1.5.5 Indoor unit power wiring selection

Note: 1) Set refrigerant piping system, signal wires between indoor-indoor unit, and that between outdoor-outdoor units into one system. 2) Please do not put the signal wire and power wire in the same wire tube; keep distance between the two tubes. (Current capacity of power supply: less than…

2.1.3 Signal wire of indoor/outdoor units

E.g. refer to the following example. General Information 165

Note

1. The signal connecting line between indoor and outdoor units and indoor units has polarity. When connecting, be careful to prevent error connection. 2. Signal wire shall adopt three-core shielded wire with the dia. no less than 0.75m2. 3. The signal wire of indoor unit and outdoor unit must only…

b. Star connection of signal wire

● Star connection of part signal wires ● Star connection of all signal wires c. Reverse connection of signal wire ● Outdoor unit — indoor unit ● Indoor unit — indoor unit Caution: shielded layer should be connected to electrical panel. 2.1.4 Signal wire of centralized control When centralized…

automatically distribute the address to indoor units without any manual setting. Remote controller can enquiry and modify every indoor unit address. The diagram below shows the connection of signal wire in this case: Besides, CCM03 can also connect indoor units via the port X Y E of indoor unit.…

2.1.5 Controller introduction

Controller and assy. Appearance Model Description More the following functions than general wireless remote R51C/BGE controller: add water, add humid, exchange air, fresh air, and etc. R51I4/BGE General functions with backlight and FOLLOW ME. R51D/E General functions. R51/E General functions and…

1st generation central control monitor of indoor unit. Control

Max 64 indoor units. It may set and check only one indoor unit, MD-CCM01/E and also set and check all indoor units in common. PC control function may connect 2nd generation or 3rd generation network control system. 2nd generation central control monitor of indoor unit. Add MD-CCM03/E（M） mode lock…

2.2 Wireless Remote Controller

Controller Appearance Model R51C/BGE Wireless Description More the following functions than general wireless remote controller: add water, add humid, exchange air, fresh air, and etc. R51D/E General functions. R51/E General functions and without economic mode. R51I4/BGE General functions with…

Apply to Ceiling and floor type / four-way cassette type. Model R05/BGE Rated Voltage 3.0V(2 pieces of LR03 7# batteries) Lowest Voltage 2.4V Effective Distance 8M~11M Operation Condition -5℃~60℃ 2.2.3.1 Buttons and functions descriptions 1. MODE: Each time you push the button, a mode is selected as…

12. RESET: Pushed, all current settings are cancelled and the control will return to the initial settings. 13. LOCK: Push this button to lock in all the current settings. To change the settings, push the button once more. 14. OK: Used to confirm the time settings and modification. 15. C/H: Used this…

Functio

n R05/ BGE RM05/ BG(T) E-A R06/B R06/B R11H R51C/ R51D/ GCE GE G/E BGE E R51/E R51I4/ R71A/ BGE E On/Off ● ● ● ● ● ● ● ● ● ● Cooling mode ● ● ● ● ● ● ● ● ● ● Heating mode ● ● ─ ● ● ● ● ● ● ● Fan mode ● ● ● ● ● ● ● ● ● ● Dehumi difying mode ● ● ● ● ● ● ● ● ● ● Auto mode ● ● ● ● ● ● ● ● ● ● Swing…

Querying mode: Please point the remote controller to the indoor unit, then press MODE button, the

corresponding indoor unit will display its address. Setting mode: Use the UP and DOWN buttons to choose an address you want. Then point the remote controller to the indoor unit and then press the FAN button to set the indoor unit‘s address. The corresponding indoor unit will display the new address…

Do not install it in a place with oil, steam or sulphur gas, or else deform or malfunction may occur. Wire controller installation notice: 1. This installation manual contains information about the procedure of installing Wire Controller. Please refer to Indoor Unit Installation Manual for…

Button ○,13: For some machines with auxiliary electric heater, this button may help with change the machines in to cooling mode only. Factory default setting is cooling and heating mode both exist. Some types do not have this button. 2.3.1.2 Installation Dimensions:120*120*15mm General Information…

Preparation before Installation

Make sure the following pasts has been prepared. NO. Name QTY. Remarks 1 Wire Controller 1 With Cover 2 Wood Mounting Screw 3 M4×20(For mounting on the wall) 3 Mounting Screw 3 M4×25(For Mounting on the electrical switch box) 4 Installation Manual 1 - 5 Owner's Manual 1 - Prepare for the following…

Button ○,4: This button is not designed on all the types. If exists, it stand for economic running mode. Button ○,6: There are 2 type of this button. AUXIL HEATER: Auxiliary electricity heater. TURBO: In cooling mode, this button stands for powerful cooling mode, available to some mode designed with…

Dimension: 120*120*15mm

Installation of wire controller: Preparation before Installation: Make sure the following pasts has been prepared. 180 General Information

NO

Name QTY. Remarks 1 Wire Controller 1 With Cover 2 Wood Mounting Screw 3 M4×20(For mounting on the wall) 3 Mounting Screw 3 M4×25(For Mounting on the electrical switch box) 4 Installation Manual 1 - 5 Owner's Manual 1 - Prepare for the following at installation site. NO. Name QTY. Remarks Install…

appearance

Model KJR-10B/ KJR-10B/ KJR-10B/ KJR-12B/ KJR-12B/ Dun-KJR DP(T)-E DPC(T)- DP(T)-E( DP(T)-E DPBG(T) -12B/DP( E Korean) -E T)-E On/off ● ● ● ● ● ● Auto ● ● ● ● ● ● Cooling ● ● ● ● ● ● Dehumidify ● ● ● ● ● ● Fan ● ● ● ● ● ● Heating ● - ● ● ● ● On/off Timer ● ● ● ● ● ● Temp. Setting ● ● ● ● ● ● Horizon…

2.4 Central Control Monitor

Controller Appearance Model MD-CCM03/E( M) Description No.2 generation central control monitor of indoor unit. Add mode lock, big screen appearance, blue back light display, and mode memory function based on MD-CCM01/E. The weekly schedule central controller of indoor unit. Control Max. 64…

1. All the indoor units and outdoor units are V4+ series, the topology of the network is as follows

2.The indoor units contains any V4 series, the network topology is as follows: For the 2nd type of network topology, either of the connection below is available: 184 General Information

To establish a steady network the following should be noted

 The signal wire should be 3-core shielded wire and the wire should be provided by licensed electricians.  To make signal transmission steady and to protect the facilities, the signal transmission wires should not be near to the power line. An interval of 300mm-500mm should exist between these two…

start/shutdown, the indicator will be luminous. Otherwise, the indicator is off

4 Locking of centralized controller After receiving the centralized controller locking command sent from the computer, the centralized controller disables the startup/shutdown and setting of the air conditioner, and sends commands to lock remote controllers of all air conditioners in the network of…

Note

Each grid composes two blocks, whose sizes are different and indicates different status. Indications are as General Information 187

follows

status Constantly on Slow blink Big block Unit is in service Selected Small block Power is on Fast blink Disappeared Object Out of service Unit malfunction Power is off Buttons and Functions 1) Query key Any time when you press the key, the selected operation mode is to query the operation status of…

→cooling → heating → supply air only → stop →

In other display mode, press the key to enter the setting mode. By default, it is single-machine setting, and the first in-service air conditioner is displayed. 4) Fan key In setting operation mode, press this key to set the fan of the indoor unit of the air conditioner to run in the automatic…

result after the key is pressed

In the main page, press the key to enter the query mode. By default, it is the first in-service air conditioner. 11) Upward key In the query mode, every time when you press the key, the operation status data of the air conditioner corresponding to the previous row of the matrix will be displayed. If…

15) Lock key

In the mode setting mode, press the Lock key, and the remote controller of the currently selected air conditioner will be locked/unlocked. The operation mode is: If you select single-machine setting, the operation is performed for the air conditioner of the current address only. If the remote…

Note: To differentiate each centralized controller, the controllers in the same RS-485 net should be with different address with each other. 192 General Information

General Information

Before starting the net work, please confirm that every CCM03‘s address is different with each other. 2.4.1.4 Query and Error code The CCM03 centralized controller offers the function of query of indoor units‘ running state and displays the error code when some of the indoor units fail down. 1.…

Fault code

Content EF Other faults EE Water level detection faults ED Outdoor unit fault EC Cleaning fault EB Inverter module protection EA Current of compressor is too large (4 Times) E9 Fault of communication between main board and display board E8 Wind blowing speed is out of control E7 EEPROM error E6…

P3

Temp. of compressor is abnormal P2 Condenser high-temperature protection P1 Anti cool air or defrost protection P0 Evaporator temperature protection 5. Make sure there is no joint in the middle of the shielded cable. If such a joint exists, use a socket to connect it. 2.4.5 Central control monitor…

To establish a steady network the following should be noted

 The signal wire should be 3-core shielded wire and the wire should be provided by licensed electricians.  To make signal transmission steady and to protect the facilities, the signal transmission wires should not be near to the power line. An interval of 300mm-500mm should exist between these two…

CCM02 LOCKED

Press this button to start the lock mode. In lock mode, all the buttons cannot lock, except the LOCK button. Press LOCK button again to cancel this mode. Electricity consumption query CCM02 allows user check each outdoor units‘ electricity consumption. To realize this function, each outdoor unit…

Data Delivering

1. Figure means CCM is sending query order； 2. Figure means CCM is in communication connection with PC, and it will be off in 20 seconds with no communication； 3. Figure means CCM is in communication connection with outdoor unit, and it will be off in 20 seconds with no communication 4 Press the OK…

11. Page1 displays the input power frequency with Frequency Hz and the number

12. Page2 displays the total number of indoor units. 13. Page3 displays the temperature symbolic T3 "TEMP. °C", "T3" and the number. 14. Page4 displays the temperature symbolic T4 "TEMP. °C", "T4" and the number. 15. Page5 displays the temperature symbolic T6 "TEMP. °C" ,"T6" and the number. 16.…

Structure and Composition

Wiring sketch map of MD-CCM02 and outdoor units These 2 ways are both available 1st way: 2nd way: General Information 201

joints are used for outdoor unit connections. E joint is the common terminal. Power supply MD-CCM02 uses a power adaptor to obtain power supply from the normal AC220V. Remember to connect the adaptor’s connector. Wiring Sketch Map of Building Network Air-conditioning System 202 General Information

Notice

(1) One computer can connect 16 outdoor central monitor (2) One outdoor central monitor can connect 8 refrigerant system (3) You need connect resistors 120Ω in the start and end of each ―K1, K2, E‖ net. (4) Communication wire masking end assure reliable grounding Remarks (1) In the wiring, the part…

22.4.6 Mode Lock Controller KJR-31B/E

KJR-31B/E is a wired centralized mode lock controller. With this device, we could lock the mode of all the units connected to this controller to avoid mode conflict. When the mode conflict happens, e.g. some indoor units request cooling and some heating, the outdoor unit could only work in either…

7. The total signal cable length of the central controller shall not exceed 1,200m

8. Make sure there is no joint in the middle of the shielded cable. If such a joint exists, use a socket to connect it. 2.4.6.2 Description Names and Functions Buttons and indication lights 1 Alarm light When the alarm lights are on, malfunctions occur on the indoor units. Please check the indoor…

2.4.6.3 Installation

Dimension Controlling wiring connection Tie the screw 206 General Information

Assemble the front shell to the base

Connect the power adaptor to the controller The power supply of the KJR-31B/E should be 220-240V 56/60Hz. General Information 207

Summary

Comparison of the centralized controller CCM03 ─ Time display KJR-31B CCM02 ─ ─ Keyboard locking ● ─ ● Querying ● ─ ● Swinging ● ─ ─ Error code display ● ─ ● Error code light ─ ─ ─ Backlight ● ─ ─ Schedule ─ ─ ─ FOLLOW ME ─ ─ ─ Fan control ● ─ ─ Mode selection ● ● ─ Auto-start ● ─ ─ Mode lock ● ● ─…

2.5 Network Control System

Controller Building gateway Building gateway Model Description Building gateway connects to BACnet network for integrating to other BMS to realize MD-CCM08/E air-conditioning management and control. It needn‘t match Midea network system and PC. MD-CCM07/E Connect VRV to your BMS via LonWorks, Other…

Outdoor units

MD-CCM08 controller RS485 Indoor units RS485 Indoor units RS485 CCM03 HUB TCP/IP BACnet/IP protocol Outdoor units Monitoring system BMS CCM02 If there are a few MD-CCM08 applied in the system, the MD-CCM08 can be connected to the HUB and then connected to the monitoring system and BMS. HUB…

MD-CCM08 has some kinds of connecting ports. EthernetA and LonWorks ports are used for further

function designed and do not function by now. Ethernet B port is an Ethernet interface base on the BACnet network protocol. Connect this port with the BACnet HUB, then the device connect to the HUB can communicate with the MD-CCM08. 485A-485D: 4 groups of RS-485 communicative port. Each port can be…

Note: The address ―192.168.234.234‖ is not constant in every CCM08. Users can find the default address in the package. Please modify the address of MD-CCM08 and make sure that the address is in the same subnet with the BMS computer before used. Moreover, the default administrator account to login…

2.5.1.4 Available BMS

MD-CCM08 has a wonderful adaptability to the BMS. It can be connected to many company‘s building management system software. We can get the mainly supporting BMS information from the table bellow: Company BMS software 1 SIMENS APOGEE 2 TRANE Tracer Summit 3 Honeywell Alerton 4 Schneider Andover 5…

units‘ information and control the indoor units. As a result, the indoor and outdoor units need firstly connecting to the computer to make a central monitoring system. The composition of the whole network is as follows: Indoor side Control system Outdoor side MD-CCM07 gateway If there are a few…

port should be connected to the DC power adaptor. 2.5.2 Network control software MDV-WLJKXT/E(V3.1)(Firebird) Please refer to ―installation and operation manual‖ of ―3rd generation network control software‖. 2.6 Other Accessory Assy. Model Digital ammeter DTS634/DT636 Hotel card-inserter assy.…

Indoor unit

display board Wire controller CN2 Power 220V L N Hotel Card Insert System CN1 220V KM COM1 GND AC contactor MD-NIM05 Note: 1) An AC contactor or a delay is necessary to transform the signal. 2) Wiring assy. 1 connects the CN1 of hotel card-insert assy. to wire controller of air conditioner. 3)…

Wires

2.6.2.3 Operation description 1) Connect 5-place terminal at fixed rated wire controller via 5 terminals: A, B, C, D, E. 2) Connect LCD at main control panel of indoor unit via terminals REV, C, D, E. 3) Upon wiring according to the wiring diagram in, Please power to the wire controller and switch…

to indoor unit; it can also memorizes the latest ON/OFF information sending by wire controller (Timing information be transited but memorized.) 7) Upon powered to card-inserter, transited signal defaults as unit shutdown. Once take off the card, system will send signal of unit shutdown twice; till…

CN1 is used for connecting the wire controller

CN2 is used for connecting the indoor unit‘s display panel. CN3 is used for connecting the infrared sensor. The switch S1 stands for: Turn off the indoor units in 1 hour after users leave. Turn off the indoor units in 0.5 hour after users leave. Reserved. 2.6.3.2 How to use? The general function of…

Wires

2.6.4 Computer diagnostic modules and software MCAC-DIAG/E MCAC-DIAG/E is remote diagnostic software, which is able to inquire the outdoor unit‘s running status and make the running charts. This software takes advantage of the outdoor unit‘s K1, K2, E terminals. As a result, the centralized…

Please refer to ―installation and operation manual‖ of the ―Midea Outdoor Unit Diagnosis Software manual‖. General Information 221

Инструкция на Наружные индивидуальные блоки VRF-системы V4+ (сервис мануалы)

Текст инструкции

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