Инструкция на Полупромышленные кондиционеры Roda серии RS-FS-АB
Полупромышленные кондиционеры Roda серии RS-FS24AB/RU-24AC1, RS-FS48AB/RU-48AC3. Инструкция по сервисному обслуживанию.
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Текст инструкции
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AIRCONDITIONER
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1. Safety Precautions
1.1 Precaution To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. Before service unit, be sure to read this service manual at first. 1.2 Installation For electrical…
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1.4 Operational
Do not expose the skin directly to cool air for long periods of time. (Do not sit in the draft). Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigerant system. Do not block the inlet or outlet of air…
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2. Dimension
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2.2 Outdoor Unit
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3. Refrigerant cycle diagram
3.1 Heat pump mode 5
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4. Wiring diagram
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4.2 RS-FS48AB
Indoor Unit Outdoor Unit 7
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5. Installation details
5.1 Installation place 5.1.1 Indoor Unit a.Ensure the spaces indicated by arrows from the wall, ceiling, fence or other obstacles. b.There should not be any heat source or steam near the unit. c.There should not be any obstacles blocking the air circulation. d.A place where air circulation in the…
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radiation from the condenser is not obstructed
b).Select a place that is easy to connect indoor unit's pipe and electric wires. c).Avoid a place where combustible gas may leak or stay. d).Keep it in mind that water may drain out of the outdoor unit while in "Heat" mode. e).Ensure the space around the back and sides and the front of the unit.…
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5.2 Installing
5.2.1 Indoor Unit: 1. Anti-falling; To prevent the indoor unit from falling, you must: a. Pay full attention to the unit because its long outer shape makes it easy to fall; b. Firmly fix the unit to the wall(using 2 3.9*25 screws) or in the ground(by using 2 M8 screws fix the chassis on the ground )…
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5.2.2 Outdoor Unit
1. Ship the a/c to the installation place originally packed; 2. Be careful while hanging the unit because the center of gravity of the unit is not centralized; 3. Do not make the angle of inclination more than 45 degrees while shipping;(Avoid horizontal storage) 4. Be sure the electric insulation…
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Dimension
Mode 24K 42K 48K A (mm) B (mm) 5.3 Refrigerant pipe connection 5.3.1 Pipe length and the elevation The correct refrigerant quantity filled in the 5-meter-long pipe of the outdoor unit is marked on the Product Data Plate. If you have to use longer pipe for every meter plus pipe, the refrigerant…
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Caution
Capacity is base on standard length and maximum allowance length is base of reliability. Oil trap should be installed per 5-7 meters. 5.3.2 Piping connection 5.3.2.1 Connecting Of Refrigerant Pipe a) Only the correctly installing of indoor and outdoor unit done, can the refrigerant pipe be…
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Caution
A: Lo packed valve B: Hi packed valve C and D are ends of indoor unit connection. Caution in Handling the Packed Valve a.Open the valve stem until it hits against the stopper. Do not try to open it further. b. Securely tighten the valve stem cap with a spanner or the link. Notes for the bendable…
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b. To avoid pipe deformation, the radius is the bigger the better
c. Use a pipe-bending device to make the compact bending pipe. 5.3.2.2 Using bronze pipe selling in market Completely shut the cut-off valves of t he outdoor unit (as ex-work status). After the refrigerant pipe has been connected with both the indoor and outdoor unit, let the air exhaust out from…
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Additional
Outside diameter Torque tightening torque mm inch N.cm N.cm Ф9.52 3/8 3270 3990 Ф12.7 1/2 4950 6030 Ф16 5/8 6180 7750 Ф19 3/4 9720 11860 5.3.3 Air purging with vacuum pump Air and moisture in the refrigerant system have undesirable effects as below: ● ● ● ● ● Pressure in the system rises. Operating…
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Air purging with vacuum pump
1. Completely tighten the flare nuts of the indoor and outdoor units, connect the manifold valve charge. 2. Connect the charge hose connection to the vacuum pump. 3. Fully open the handle Lo of the manifold valve. 4. Operate the vacuum pump to evacuate. After starting evacuation, slightly loose the…
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8. Fully open the Hi and Lo packed valve
9. Securely tighten the cap of the packed valve. Gas leak check Soap water method Apply soap water or a liquid neutral detergent on the indoor unit connections or outdoor unit connections by a soft brush to check for leakage of the connecting points of the piping. If bubbles come out, the pipes have…
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Connect the charge hose with the push pin to the gas service port
5. Air purging of the charge hose. Open the low-pressure valve on the charge set slightly to purge air from the charge hose. 6. Set the 2-way valve to the close position. 7. Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0.1MPa. 8. Immediately set the 3-way…
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1. Confirm that both the 2-way and 3-way valves are set to the closed position
2. Connect the charge set and a charging cylinder to the service port of the 3-way valve. Leave the valve on the charging cylinder closed. 3. Air purging. Open the valves on the charging cylinder and the charge set. Purge the air by loosening the flare nut on the 2-way valve approximately 45’ for 3…
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5.3.6 Balance refrigerant of the 2-way, 3-way valves
Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the open position. 2. Connect the charge set to the 3-way valve’s service port. Leave the valve on the charge set closed. Connect the charge hose with the push pin to the service port. 3. Open the valves (Low side) on the charge…
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5.3.7 Evacuation
Procedure: 1. Connect the vacuum pump to the charge set’s centre hose. 2. Evacuation for approximately one hour. Confirm that the gauge needle has moved toward -0.1 Mpa (-76 cmHg) [vacuum of 4 mmHg or less]. 3. Close the valve (Low side) on the charge set, turn off the vacuum pump, and confirm that…
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5.3.8 Gas charging
Procedure: 1. Connect the charge hose to the charging cylinder. Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder.If the refrigerant is R410A, make the cylinder bottom up to ensure liquid charge. 2. Purge the air from the charge hose. Open…
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4. Immediately disconnect the charge hose from the 3-way valve’s service port
Stopping partway will allow the refrigerant to be discharged. If the system has been charged with liquid refrigerant while operating the air conditioner, turn off the air conditioner before disconnecting the hose. 5. Mounted the valve stem caps and the service port Use torque wrench to tighten the…
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5.5 Wiring
Please refer to the Wiring Diagram. Note: The power supply of the air conditioner is different according to the models. Please refer to the WIRING DIAGRAM pasted on the indoor and outdoor units before wire connection. 5.6 Test operation 5.6.1 Perform the electric safe check after completing…
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6. External view and display
6.1 External view Note: All the pictures in this manual are for explanation purpose only. They may be slightly different from the air conditioner you purchased(depend on model). The actual shape shall prevail. 26
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6.2 Display panel
7. Operation characteristics Mode Cooling Drying Heating operation Temperature operation operation Room temperature 17℃~32℃ 17℃~30℃ 17℃~32℃ Outdoor temperature 18℃~43℃ -7℃~24℃ 18℃~ 43℃ CAUTION: 1. If air conditioner is used outside of the above conditions, certain safety protection features may come…
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mode
3. Optimum performance will be achieved within this operating temperature. 8. Electronic function 8.1 Main data Introduction Ts : Set temperature, T1 : Room temperature T2: Evaporator pipe temperature T3: Condenser pipe temperature T4: Outdoor ambient temperature 8.2 Operation Modes and Functions…
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Room temperature up
Room temperature down Condition Fan speed T2<25°C Off 25°C <T2<32°C Low T2>32°C Set fan speed T2>22°C Set fan speed 20°C <T2<22°C Low T2<20°C Off 8.2.2.6 Electric heating string(only for 48K) Electric heating string in heating mode Compressor Condition Electric heating string On / Off Off Outdoor…
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8.2.3.3 Ending Of Defrosting Condition (meet one of the following is ok)
(1)Time of defrosting lasts 10 minutes. (2) Temperature of outdoor coil T3 is up to 8°C and continues to 80 seconds. (3) Temperature of outdoor coil T3 is up to 15°C. 8.2.4 Cooling Mode 8.2.4.1 Four-way valve is closed. If four-way valve is open before the machine enters cooling mode, then four-way…
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8.2.5 Dehumidifying Mode
8.2.5.1 Indoor fan speed is low. 8.2.5.2 Four-way valve is closed,. the compressor and outdoor fan will keep as same as cooling mode. 8.2.6 Auto Mode 8.2.6.1. Under auto mode, the indoor fan is set to be auto and the temperature is 24°C. 8.2.6.2 When entering auto mode, the heating, fan only or…
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9. Characteristic of temperature sensor
Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ -10 62.2756 17 14.6181 44 4.3874 -9 58.7079 18 13.918 45 4.2126 -8 56.3694 19 13.2631 46 4.0459 -7 52.2438 20 12.6431 47 3.8867 -6 49.3161 21 12.0561 48 3.7348 -5 46.5725 22 11.5 49 3.5896 -4 44 23 10.9731 50 3.451 -3 41.5878 24 10.4736…
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Room temperature up
Room temperature down 10.1.3 Condition Outdoor fan Compressor T2>56°C Off On T2>62°C Off Off T2>50°C Off Off T2<50°C On On Evaporator Protection against low temperature 10.1.3.1 Only available under cooling and dehumidifying status. 10.1.3.2 Protection principle: Condition Outdoor fan Compressor…
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Self-diagnosis Codes Contents P4 Protection of temperature of indoor evaporator P5 Protection of temperature of outdoor condenser P7 Discharge temperature of outdoor unit is too high, compressor protection occurs. P9 Protection of anti-cold wind P10 Discharge pressure protection P11 Suction pressure…
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Troubles and Solutions Before calling for service, please review the following list of common problems and solutions. Problem Possible Cause Solutions Air conditioner does not operate at all Power failure Wait for power restoring The power supply is disconnected. Switch on the main power switch The…
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The following displays indicate an error or problem(24K)
Number Display code Problems 1 E1, E2, E3 Temperature short-circuit. 2 P4 3 4 What to do Sensor is off or Contact service people The temperature of the indoor unit evaporator is extremely low or high , and a compressor protection feature is automatically activated. Turn off the unit, clean the air…
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The following displays indicate an error or problem(48K)
Number Display code Problems What to do 1 E1, E2, E3, E4 Temperature short-circuit. 2 E5 Communication between and outdoor units failure 3 E10 Suction pressure compressor 4 E13 Default phase of compressor 5 E14 Phase incorrect connection compressor 6 P4 7 Sensor is off or Contact service people…
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