Инструкция на Прецизионные кондиционеры серии MAD бренда MDV

MCAC-RTSM-2013-04

Midea Precision Air Conditioner Technical Manual （Down delivery series） Midea reserves the right to discontinue, or change specification or designs at any time without notices and without incurring obligations. 0

1. General information

1.2 Extern

Midea

a Precision AC Technical Maanual-Down Delivery Series Outdoo or unit-Sing gle fan moto or: Outdoo or unit-Dou uble fan motors: 1.3 Nomenclature Indoor un nit 5

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Outdoo or unit 2. Speciification n & perfo ormance e 2.1Features s        6 V shap pe design hiigh efficient evaporatorr with hydro ophilic aluminum fin andd inner groo oved copper pipe. Change e the valid evaporator e area a by elecctric valve to o reduce the e relative huumidity witho out…

     Midea a Precision AC Technical Maanual-Down Delivery Series Multiple e protectionss: High and low pressurre protection n, discharge temperature re protection n, etc. The run nning param meter can be e displayed i n the screen n of the conttrol panel. 100 pie eces of errorr records can be…

2.2 Refrig

gerant circ cuit Single refrigerantt circuit type: 8 M CAC-PDSM M-2013-01

Midea

a Precision AC Technical Maanual-Down Delivery Series Dual-re efrigerant circuits c type e: ompressor. Comprressor: R410A, scroll co ube and alum minum fin type heat excchanger. Evaporrator (Heat exchanger): Copper tu Indoorr Fan: Centriifugal fan or Fan: Axia al fan Outdoo 9

2.3 Specifications

Indoor model MAD020T1N1S1 Outdoor model (×Quantity) MA0331 (×1) Indoor operating ambient temperature range °C 0~40 Outdoor operating ambient temperature range °C -20~45, (-40~45, with low ambient temperature kit) Altitude \ ≤1000m (higher than 1000m, derating use) Indoor Power supply V, Ph, Hz…

Speed

Outdoor coil Midea Precision AC Technical Manual-Down Delivery Series r/min 900 No. of rows \ 3 Tube pitch(a)×row pitch(b) mm 25.4×22 Fin spacing mm 2.2 Fin type \ Hydrophilic aluminum fin Pipe outside dia. and type mm Coil (W×D) mm 1,250×914.4 Number of circuits Ф9.52 Inner grooved copper pipe \ 6…

Indoor model

MAD025T1N1S1 Outdoor model (×Quantity) MA0431 (×1) Indoor operating ambient temperature range °C 0~40 Outdoor operating ambient temperature range °C -20~45, (-40~45, with low ambient temperature kit) Altitude \ ≤1000m (higher than 1000m, derating use) Indoor Power supply V, Ph, Hz 380V~,3Ph,50Hz…

Tube pitch(a)×row pitch(b)

mm 25.4×22 Fin spacing mm 2.2 Fin type \ Hydrophilic aluminum fin Pipe outside dia. and type mm Coil (W×D) mm 1,250×914.4 Number of circuits Ф9.52 Inner grooved copper pipe \ 6 Indoor air flow 3 m /h 7,010 Indoor external static pressure Pa 20 Indoor drain pipe I.D. mm Ф30 Indoor noise level dB(A)…

Indoor model

MAD030T1N1S1 Outdoor model (×Quantity) MA0541 (×1) Indoor operating ambient temperature range °C 0~40 Outdoor operating ambient temperature range °C -20~45, (-40~45, with low ambient temperature kit) Altitude \ ≤1000m (higher than 1000m, derating use) Indoor Power supply V, Ph, Hz 380V~,3Ph,50Hz…

Tube pitch(a)×row pitch(b)

mm 25.4×22 Fin spacing mm 2.2 Fin type \ Hydrophilic aluminum fin Pipe outside dia. and type mm Coil (W×D) mm 1447×1219 Number of circuits Ф9.52 Inner grooved copper pipe \ 12 Indoor air flow 3 m /h 8,825 Indoor external static pressure Pa 20 Indoor drain pipe I.D. mm Ф30 Indoor noise level dB(A) 67…

Indoor model

MAD035T1N1S1 Outdoor model(×Quantity) MA0601 (×1) Indoor operating ambient temperature range °C 0~40 Outdoor operating ambient temperature range °C -20~45, (-40~45, with low ambient temperature kit) Altitude \ ≤1000m (higher than 1000m, derating use) Indoor Power supply V, Ph, Hz 380V~,3Ph,50Hz…

No. of rows

\ 4 Tube pitch(a)×row pitch(b) mm 25.4×22 Fin spacing mm 2.2 Fin type \ Hydrophilic aluminum fin Pipe outside dia. and type mm Coil (W×D) mm 1,448×1,219.2 Number of circuits Ф9.52 Inner grooved copper pipe \ 12 Indoor air flow 3 m /h 10,400 Indoor external static pressure Pa 20 Indoor drain pipe…

Indoor model

MAD040T2N1S1 Outdoor model(×Quantity) MA0331 (×2) Indoor operating ambient temperature range °C 0~40 Outdoor operating ambient temperature range °C -20~45, (-40~45, with low ambient temperature kit) Altitude \ ≤1000m (higher than 1000m, derating use) Indoor Power supply V, Ph, Hz 380V~,3Ph,50Hz…

(Single

outdoor unit) Midea Precision AC Technical Manual-Down Delivery Series No. of rows \ 3 Tube pitch(a)×row pitch(b) mm 25.4×22 Fin spacing mm 2.2 Fin type \ Hydrophilic aluminum fin Pipe outside dia. and type mm Coil (W×D) mm 1,250×914.4 Number of circuits Ф9.52 Inner grooved copper pipe \ 6 Indoor…

Indoor model

MAD045T1N1S1 Outdoor model(×Quantity) MA0752 (×1) Indoor operating ambient temperature range °C 0~40 Outdoor operating ambient temperature range °C -20~45, (-40~45, with low ambient temperature kit) Altitude \ ≤1000m (higher than 1000m, derating use) Indoor Power supply V, Ph, Hz 380V~,3Ph,50Hz…

No. of rows

\ 3 Tube pitch(a)×row pitch(b) mm 25.4×22 Fin spacing mm 2.2 Fin type \ Hydrophilic aluminum fin Pipe outside dia. and type mm Coil (W×D) mm 1,750×1,219.2 Number of circuits Ф9.52 Inner grooved copper pipe \ 18 Indoor air flow 3 m /h 13,030 Indoor external static pressure Pa 20 Indoor drain pipe…

Indoor model

MAD050T2N1S1 Outdoor model(×Quantity) MA0431 (×2) Indoor operating ambient temperature range °C 0~40 Outdoor operating ambient temperature range °C -20~45, (-40~45, with low ambient temperature kit) Altitude \ ≤1000m (higher than 1000m, derating use) Indoor Power supply V, Ph, Hz 380V~,3Ph,50Hz…

(Single

outdoor unit) Midea Precision AC Technical Manual-Down Delivery Series No. of rows \ 3 Tube pitch(a)×row pitch(b) mm 25.4×22 Fin spacing mm 2.2 Fin type \ Hydrophilic aluminum fin Pipe outside dia. and type mm Coil (W×D) mm 1,250×914.4 Number of circuits Ф9.52 Inner grooved copper pipe \ 6 Indoor…

Indoor model

MAD060T2N1S1 Outdoor model(×Quantity) MA0541 (×2) Indoor operating ambient temperature range °C 0~40 Outdoor operating ambient temperature range °C -20~45, (-40~45, with low ambient temperature kit) Altitude \ ≤1000m (higher than 1000m, derating use) Indoor Power supply V, Ph, Hz 380V~,3Ph,50Hz…

(Single

outdoor unit) Midea Precision AC Technical Manual-Down Delivery Series No. of rows \ 3 Tube pitch(a)×row pitch(b) mm 25.4×22 Fin spacing mm 2.2 Fin type \ Hydrophilic aluminum fin Pipe outside dia. and type mm Coil (W×D) mm 1447×1219 Number of circuits Ф9.52 Inner grooved copper pipe \ 12 Indoor air…

Indoor model

MAD070T2N1S1 Outdoor model(×Quantity) MA0601 (×2) Indoor operating ambient temperature range °C 0~40 Outdoor operating ambient temperature range °C -20~45, (-40~45, with low ambient temperature kit) Altitude \ ≤1000m (higher than 1000m, derating use) Indoor Power supply V, Ph, Hz 380V~,3Ph,50Hz…

(Single

outdoor unit) Midea Precision AC Technical Manual-Down Delivery Series No. of rows \ 4 Tube pitch(a)×row pitch(b) mm 25.4×22 Fin spacing mm 2.2 Fin type \ Hydrophilic aluminum fin Pipe outside dia. and type mm Coil (W×D) mm 1,448×1,219.2 Number of circuits Ф9.52 Inner grooved copper pipe \ 12 Indoor…

Indoor model

MAD080T2N1S1 Outdoor model(×Quantity) MA0752 (×2) Indoor operating ambient temperature range °C 0~40 Outdoor operating ambient temperature range °C -20~45, (-40~45, with low ambient temperature kit) Altitude \ ≤1000m (higher than 1000m, derating use) Indoor Power supply V, Ph, Hz 380V~,3Ph,50Hz…

(Single

outdoor unit) Midea Precision AC Technical Manual-Down Delivery Series No. of rows \ 3 Tube pitch(a)×row pitch(b) mm 25.4×22 Fin spacing mm 2.2 Fin type \ Hydrophilic aluminum fin Pipe outside dia. and type mm Coil (W×D) mm 1,750×1,219.2 Number of circuits Ф9.52 Inner grooved copper pipe \ 18 Indoor…

Indoor model

MAD090T2N1S1 Outdoor model(×Quantity) MA0982 (×2) Indoor operating ambient temperature range °C 0~40 Outdoor operating ambient temperature range °C -20~45, (-40~45, with low ambient temperature kit) Altitude \ ≤1000m (higher than 1000m, derating use) Indoor Power supply V, Ph, Hz 380V~,3Ph,50Hz…

(Single

outdoor unit) Midea Precision AC Technical Manual-Down Delivery Series No. of rows \ 3 Tube pitch(a)×row pitch(b) mm 25.4×22 Fin spacing mm 2.2 Fin type \ Hydrophilic aluminum fin Pipe outside dia. and type mm Coil (W×D) mm 2,250×1,219.2 Number of circuits Ф9.52 Inner grooved copper pipe \ 18 Indoor…

2.4 Dimen

Midea

a Precision AC Technical Maanual-Down Delivery Series View of op pened doorr Indoorr unit: MAD0 035T1N1S1 33 3

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Midea

2.5 Servic

ce space Indoorr unit (Unit: mm) Outdoo or unit with h horizontal installation n (Unit: mm) Outdoo or unit with h vertical ins stallation (U Unit: mm) 36 M CAC-PDSM M-2013-01

Midea Precision AC Technical Manual-D

Down Delivery Serie es 2 2.6 Wiring diag gram E-box view o of indoor unit 3 37 MCA AC-RTSM-2013-04

Indoor unit w

Midea Precision AC Techniccal Manual-Do

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3. Installlation  The e indoor unitt must be installed on th he ground off the device room or com mputer room m. And the outtdoor unit is installed on the ground of the outdo oors or othe er rooms.  Beffore the insttallation, con nfirm whethe er the installation enviroment meet tthe requirem ments…

Midea

a Precision AC Technical Maanual-Down Delivery Series  Wh hen the cond denser is hig gher than co ompressor, install revers se bend on tthe inlet and d outlet pipess of the condenser, to avoid d liquid refri gerant back kflow when the t units stoops. When installing i the e revverse bend, it must…

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3.1 Storag ge environ nment Items Requirement R ts Sto orage environ nment Indoor, clean. Am mbient humidiity 5%~85% RH (N No condensa ation) Am mbient temperrature Indoor unit: -20°°C~54°C; Outtdoor unit: -40 0°C~70°C. Sto orage time Tottal time of trransportation n and storage time shouuld not…

Midea

a Precision AC Technical Maanual-Down Delivery Series  Do not fix the indoor unit in n the sunken n place or att the end of the long andd narrow roo om.  Do not make several indoo or units to be e huddled to ogether, to avoid a crossinng the air an nd producing g the e unbalanced d competitio on…

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 Thrree-door uniit installation n basing size e: (Unit: mm m) Item Specification (mm m) Steel plate Remarrk 100×100×(5~6.5)) Angle iron (Stteel channel) 40×40 0×3 (50×37×4..5) Anti-shockk Top Thickness: 3~5 Rubberr materical can n choose isoprrene rubber, different d bulyl rubber pad d Bottom m…

Midea

a Precision AC Technical Maanual-Down Delivery Series 3.3 Installling outdo oor units        Aftter the unit arrives, a chec ck whether i t is damage ed during the e shipment. To ensure the heat dispersion of the u unit, intall the outdoor un nit at the willl-ventilatde outdoor, avoid places…

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(Un nit: mm) Mode el MA033 31 MA043 31 MA054 41 MA060 01  L1 H1 1112 1 764 1310 1 MA075 52 1604 1 MA098 82 2105 2 D1 D2 49 63 1066 It is suggested d that use M6×20 M expan nsion bolt for fixing the mounting m baase. For verrtical installlation  It iss suggested d that use M6×20 expan nsion bolt…

        Midea a Precision AC Technical Maanual-Down Delivery Series pro ocess, it nee eds to charg ge nitrogen i nto the pipe eline for protection. Ma ake sure the e right conne ecting pipe ssize. n height of unit Ma ake sure the e outdoor un nit installation u pipeline installation.. Fill…

Midea a Precision AC Technical Maanual-Down Delivery Series the e operation of o the compressor and iits lifespan.T Trash and fo oreign matteers may com me into the pip pe in the pro ocess of pipe e intallation. Be sure to blow them off o with niltroogen before connecting the e pipe to the e outdoor…

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Ad dding amountt of refrigeran nt (kg) = Co orresponding unit Length additional reffrigerant amo ount (kg/m) ×T Total length o of extend liqu uid pipe (m) The corresponding g unit length additional re efrigerant am mount for different liquidd pipe diame eters: Liquid pipe outer diame eter (mm)…

Midea

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3.7 Electric connec ction     52 All the power wires, w contro olling wires a and the grounding conn nection shouuld observe the nationall and local regu ulations and electrical ru ules. Th he main pow wer supply re equirementss: 380V AC, 50Hz, 3Ph. Be efore connecct the electric circuit, use e…

Midea a Precision AC Technical Maanual-Down Delivery Series Ind door unit con ntrolling con nnection amp plification fig gure: Sing gle-system type al-system type Dua t  Wiiring refers to t outdoor unit wiring dia agram, as fo ollowing pictture, 53 3

M MCAC-PDSM M-2013-01 Fie eld wiring, Single-sys stem type   54 Dual-system type\ n pipe or shielding wire ffor the outdo oor parts of the connectting wires off indoor unit Usse protection and condense er. Do o not contact the cables with high te emperature objects o (Suc ch as non-heeat insulated…

Midea

a Precision AC Technical Maanual-Down Delivery Series 3.8 Trial ru un  Inttroduction off LCD manu ual operator functions Fo or all th butto ons, when it is displaying g or modifying the opera ation param meters, show ws a green lam mp to mean a paragraph h is selected d silicone rubber button which…

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Time: Sh hift to the firsst page of tim me program (K0). Time parameter is used to diisplay and set the op perating para ameter of clo ock plate an nd activate time zone. Set: hift to the firsst page of se et point prog gram (S1). Sh Progra am: hift to the firsst page of us ser interface e (P0).…

Midea

a Precision AC Technical Maanual-Down Delivery Series  Th he mechaniccal part:  Make sure e remove th he protective e materials fo or the transp portation. Chheck the fas stening situation of o motor whe eel and fan wheel, and also check the t parallelissm of motorr wheel and fan whell and the…

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and use th he enter key y to move th he cursor position, and use u the Dow wn button to carry out the e al components, and the manual on/off setting of the critica en press the enter key for confirmation.  Ma anual operattor display and a operatio on methods  After the unit u is on, en nter to the…

Midea Precision AC Technical Manual-Down Delivery Series Compressor checking: Press the Set key, the setting temperature to be room temperature minus 5°C, the relative humidity to be the same as the room temperature, and press enter to observe the compressor whether operates or reverses. (The…

 60 MCAC-PDSM-2013-01 Safe operation of refrigerant system detection: Operate the compressor, and after the unit is stable operated then check whether there are bubbles in the liquid sight glass. Adjust the thermal expansion valve to the suction degree of overheating be about 5°C~8°C, and each…

Midea

a Precision AC Technical Maanual-Down Delivery Series 4. Contrrol syste em 4.1 Table of main co ontrol com mponents and control load No.  Name Conttroller Operation displa ayer Tem mperature & h humidity sen nsor OEM M humidifier connector component c Fan speed regu lating inverter Pres ssure…

ID1

Compressor 1 high press sure ID2 Compressor 2 high press sure ID3 E--heater 1 ovverload ID4 E--heater 2 ovverload ID5 Phase seque nce protectiion ID6 In ndoor fan ovverload ID7 Air flow switch h ID8 Remote contrrol ID9 Compressor 1 low pressu ure ID10 Compressor 2 low pressu ure ID11 Humidifier wa…

Midea

a Precision AC Technical Maanual-Down Delivery Series  Ind door schema atic diagram m  Ou utdoor fan frrequency conversion Button n Mame Func ctions 1, For shiftin ng to system monitoring m sta atus. MON/ESC Monittoring/ESC 2, Back to th he previous menu. m 3, Clear the e alarm when the t inverter…

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Accord to th he function cod de to carry out one of the foollowing functions: DIR/JOG Directtion/Jog 1, Change tthe operating direction d of inv verter. 2, Operate tthe inverter to o under the jog g status, looseen the key then n jog will stop. RUN Run Under keyp ad control sta ate, this button will…

Midea

a Precision AC Technical Maanual-Down Delivery Series 5. Opera ation 5.1 Tempe erature/hu umidity set point se etting func ction Press S Set in menu, directly enter e the usser without password, and can chhange temp perature and d humiditty setting po oint (S1). 5.2 Query y function for key co…

Note

Midea

a Precision AC Technical Maanual-Down Delivery Series 5.3 Setting function n of using paramete ers  Pre ess the Prg button in menu, m it need d password to t enter: Note: Use er password is 0002.  Pre ess enter button b to entter the temp perature and d humidity set s point for parameters s…

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Notes: Intterface P1 to set the temperature settin ng range. Intterface P2, P3 3 and P4 to set the deviatiion and dead d zone. Intterface P5 forr some special functions a activation. Intterface P8, P9 9 to set temperature and h humidity alarrm. Intterface from Pb P to Pj for alarm a selectio on. 5.4…

Midea

a Precision AC Technical Maanual-Down Delivery Series Notes: Ple ease contact manufacture e for mainten ance passwo ord.  Ke eep pressing g Down buttton, the disp play screen will pop up Type in maiintenance password. Byy Up p button to type in pas ssword, and d then do th he calibratio on setting…

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Press D Down button n, enter to K1 K interface and type in clock management passsword 002. Press enter ative functio to enter K2 interfacce, then can n use the rela ons of time zone z control . In K2 interrface there only the e corresponding control function se elected Yes then t can do the follow…

Midea

a Precision AC Technical Maanual-Down Delivery Series 6. Netwo ork func ction inttroductio on Manual operator an nd controlerr can be con nnected toge ether by RS4 485 networkk, to make up the LAN, and rea alize the datta and inform mation comm munication and a group co ontrol functioons. The ma…

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6.1 Group p control network n se etting According to the prrevious pictu ure, an exam mple of how to set group p control nettwork will be e given.  Set the e manual ope erator addre ess of the de evice 2 to be e 0. Power on the contrroller, and wait w the contrroller finish operation. o Press P Up…

Midea a Precision AC Technical Maanual-Down Delivery Series Change e the controller address of the devicce 2. Cut off the controlle er power and the conne ections betw ween J11 porrt on the conntroller and other o controlllers. Press U Up and alarm buttons at a the same ttime, and po ower on the…

M MCAC-PDSM M-2013-01 Configu ure the corre esponding re elation of co ontroller and the manuall operator. Press U Up, Down and a enter bu uttons at the same time for at least 5 seconds too enter the configuration c n mode, tthe manual operator dis splay as follo owing: Press e enter button n 3…

 Midea a Precision AC Technical Maanual-Down Delivery Series and the en press entter for confirrmation, the n finish grou up control ne etwork confiiguration of one device. Set the e manual ope erator and controller c ad dresses of device d 3 and d set their coorresponding relation. Repeatt same…

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Press m menu to exitt the interfac ce of configu uration management, an nd press Do own to move e the cursor to the in nterface of parameter p management m t, then press s enter to co onfirm enterring, and the en find interfacce Gm by Do own button. Then th he units ope erate after se etting, there…

Midea

a Precision AC Technical Maanual-Down Delivery Series  Wire fig gure of contrroller in grou up control ne etwork. 3-core shielding wire (large or equal to 0.7 75mm2) is us sed to conne ect the contrroller and th he J11 port, which h has polarity. It needs to correctly co onnect Rx-/T Tx-, Rx+/Tx+ +…

M MCAC-PDSM M-2013-01 Cancel group contrrol network.  Clo ose the unit.. Switch off the t controlle er power and d the networrk connectioons of contro oller J11 porrt and other conttrollers.  Ch hange the co orresponding g manual op perator addrress of devic ce 2 and devvice to be 32 2, controller…

Midea

a Precision AC Technical Maanual-Down Delivery Series 3. Insert the TCP/IP T card d in th corressponding plu ug-in connec ctor, makingg sure it is su ully inserted d and in con ntact with the e two suppo rts located on o the case of the pCO**. This opera ation may be e difficult due to the limitted…

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shielding cable e is 1000m.  Insstallation of RS485 card d 1. Remove th he serial carrd placemen nt cover with h a screwdriv ve. 2. Remove th he pre-punc ctured plasticc, the hole which w corres sponds to thhe tree-pole terminal ou ut will be found. 3. Insert the optional carrd into the…

connector on the card

6. There is a table of Pin-wiring of the connector stamped on the card. Pin Significato meaning 1 GND 2 RX+/TX+ 3 RX-/TX- 7. Maintenance 7.1 Electrical maintenance According to the following items to check appearance of the electrical connections and do the relative handlings. Before fastening any…

   M MCAC-PDSM M-2013-01 Ch heck the outtput connecttion between n the contro ol connector panel to eaach contacto or, liquid pipe e ele ectromagnettic valve, an nd the inpu t connection n between the control connector panel to fan n overload prote ection devic ce, high/low pressure switch, s…

Midea Precision AC Technical Manual-Down Delivery Series the filter screen clogging switch. The filter screen clogging switch is located in the electric control box, and collect the large air pressure and filtered air pressure through the white soft hose, and the filter screen clogging switch to…

Insstruction of the t steam hu umidifier com mponent pa arts which ne eed to mainttain. Nam me Item m  84 M MCAC-PDSM M-2013-01 1 Support frame 2 Water supply tank + Conductiviity meter 3 Water in nlet flexible p pipe of humidification ta ank 4 Water in nlet solenoid d valve (24V V AC) 5 Gasket 6…

 Midea a Precision AC Technical Maanual-Down Delivery Series remove alll the impurities and rinse e off. Dissassembling g the humidification tankk 1. Press the Manual dra ainage butto on to empty the water in humidificattion tank. witch off the p power supplle for safety operation. O Open and ta…

situation of the system. When the water content of system is more than the standard, the liquid sight glass basic color will change from green to yellow. When the refrigeration system has malfunction, judge the error according to some operating parameters of the system.  When the suction pressure…

Midea Precision AC Technical Manual-Down Delivery Series 1. Mechanical error The mechanical error of compressor is mostly because that during the installation process it is not strictly accorded to the operation guidelines, and the system refrigerant leakage and improper trial run in the process of…

8. Trouble shooting

When the system is suddenly having a demand, but there is a failure or invalidation which led to non-workable, and then it cannot meet environmental needs. So it is necessary to periodically do the functional test for the system components. Controller provides field manual opening and closing…

Midea Precision AC Technical Manual-Down Delivery Series Common faults and handling methods of humidification system Symptom Probable reason No water filling in the humidification tank or low filling water pressure. No humidification effect No humidification requirement. No 24V AC input at…

Symptom

Probable reason Check items or handling methods Air suction and Reverse the compressor or inner air When the compressor was reversed, change exhausting pressure mixed up. any two L wires. Inner air mixed up, change have no difference the compressor, Check the leakage and after operation. maintain…

the inverter output to stop the motor and make it stay free running condition. If there is alarm, the inverter will display alarm code, and will not cut off the inverter output during alarm state, the motor still be controlled by the inverter. Many methods of inverter error reset: Press the Reset…

Inverter overheat error, the

E006 temperature is higher than 90°C. E007 E009 E010 E012 E013 E015 E030 92 Soft start error Output with lack of phase error Out device error MCAC-PDSM-2013-01 The inverter power is too small. Select a large power inverter. Ambient temperature is too high. Check the ambient temperature. Ventilation…

Midea

a Precision AC Technical Maanual-Down Delivery Series 9. Acces ssories Indoor unitt Name Quantity User’s m manual of indoor unit 1 Installatio on 1 frame for water Shape e leakage sensor Switch p panel compon nent Door keyy 1 1 (Place ed on the dooor plate.) nit Outdoor un Name Quantity Shape e…

Annex I: Alarm table

Alarm display Result Probable reason 10s after the low pressure switch is trigged. 10s after the airflow switch from close to open. Low pressure compressor 1 Switch off the compressor 1. Lose of airflow (Serious Alarm) UNIT OFF Switch off the unit Main fan overload(Serious Alarm) UNIT OFF Switch off…

Built-in humidifier: high current

Switch off humidifier Built-in humidifier: no water in the cylinder(cylinder off) Switch off humidifier Built-in humidifier: low current Switch off humidifier High pressure compressor 1 thermal overload High pressure + compressor 1 thermal overload Operating hour threshold reached for humidifier…

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