McQuay MWM Specifications Page 1

MWM - 2005Wall Mounted Split SystemsModels: MWM 007F/FR MWM 010F/FR MWM 015F/FR MWM 020F/FR MWM 025F/FR MWM 030F/FR

8R407C Models(Cooling Only)AbbreviationINT. O.L.P - Internal Overload Protector1) ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITH

Model : MLC 020B / 025B M4LC 020B / 025B1. ASSY., BACK PANEL 16. GROMMET, RUBBER2. ASSY., TOP PANEL 17. NUT, WITH WASHER3. ASSY., CONDENSOR COIL 1

Model : MLC 030B1. ASSY., BACK PANEL 16. GROMMET, RUBBER2. ASSY., TOP PANEL 17. NUT, WITH WASHER3. ASSY., CONDENSOR COIL 18. ASSY., BASE PAN4. BRACKE

Model : MLC / M4LC 030C1001. BASE PAN 11. MOTOR BRACKET ASSY2. FLARE VALVE 12. SIDE PANEL LEFT3. FLARE VALVE 13. FAN MOTOR4. PARTITION 14. FAN BLADE5.

Model : M4LC 007BR / 010BR / 015BR1. ASSY., BACK PANEL 13. NUT, COMPRESSOR2. ASSY., TOP PANEL 14. ASSY., BASE PAN3. ASSY, COIL OUTDOOR 15. ASSY., CAP

Model : MLC 020BR / 025BR / 030BR M4LC 020BR / 025BR1. ASSY., BACK PANEL 15. WASHER, FLAT2. ASSY., TOP PANEL 16. NUT, COMPRESSOR3. ASSY, COIL OUTD

Model : MLC / M4LC 030CR1. ASSY., BASE PAN 14. PANEL, SERVICE2. ASSY., COIL 15. ASSY., FRONT PANEL3. ASSY., VAVLE PLATE 16. PANEL, TOP4. ASSY., COMPR

Model : MLC 010C / 015C1. ASSY. BASE PAN 9. ASSY. PANEL LEFT INS.2. ASSY. CONDENSER COIL 10. ASSY. PANEL RIGHT INS.3. ASSY. COMPRESSOR 11. BRACKET, MO

Model : MLC 010CR / 015CR1. ASSY. BASE PAN 9. MOTOR2. ASSY. CONDENSER COIL 10. FAN, 16"3. ASSY. VALVE BRACKET 11. ASSY. PANEL LEFT INS.4. ASSY. C

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9R407C Models(Heatpump)AbbreviationINT. O.L.P - Internal Overload ProtectorEXT. O.L.P - External Overload ProtectorEXT. P.P - External Phase Protec

10R407C Models(Heatpump)AbbreviationINT. O.L.P - Internal Overload ProtectorEXT. P.P - External Phase Protector1) ALL SPECIFICATIONS ARE SUBJECTED T

PPPPPerferferferferfororororormance mance mance mance mance TTTTTaaaaabbbbbleleleleleInterpolation and Extrapolation method can be used to get the tot

12 Details: 1st Step: To obtain the Total capacity and Sensible capacity for (a) Indoor Condition: 24°C DB, 15°C WB Outdoor Condition: 35°C DB

13 2nd Step: To obtain the Total capacity and Sensible capacity for (a) Indoor Condition: 23°C DB, 15°C WB Outdoor Condition: 35°C DB Outdoor D

14 3rd Step: To obtain the Total capacity and Sensible capacity for (a) Indoor Condition: 23°C DB, 15°C WB Outdoor Condition: 37°C DB Outdoor D

R22 Models(Cooling Only)Model : MWM 010F / MLC 010CTC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW)153.090 1.839 2.

R22 Models(Cooling Only)Model : MWM 020F / MLC 020BTC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)155

R22 Models(Cooling Only)Model : MWM 030F / MLC 030BModel : MWM 030F / MLC 030C17TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(k

ContentsContentsContentsContentsContents Features ...

R22 Models(Heatpump)Model : MWM 010FR / MLC 010CRCooling ModeTC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW)15 3.1

R22 Models(Heatpump)Model : MWM 015FR / MLC 015CRCooling ModeTC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)15 3.521 2.168 3.

R22 Models(Heatpump)Model : MWM 020FR / MLC 020BRCooling ModeTC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW

R22 Models(Heatpump)Model : MWM 025FR / MLC 025BRCooling ModeTC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW

R22 Models(Heatpump)Model : MWM 030FR / MLC 030BRCOOLING MODEHeating ModeTC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW

R22 Models(Heatpump)Model : MWM 030FR / MLC 030CRCooling ModeTC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW

R407C Models(Cooling Only)Model : MWM 007F / M4LC 007BTC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)15 2.602 1.456 2.406 1.2

R407C Models(Cooling Only)Model : MWM 015F / M4LC 015BTC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW)15 3.138 1.74

R407C Models(Cooling Only)Model : MWM 025F / M4LC 025BTC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)15 5.842 3.251 5.577 3.0

R407C Models(Heatpump)Model : MWM 007FR / M4LC 007BRCooling ModeTC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)152.685 1.492

FFFFFeaeaeaeaeaturturturturtureseseseses1• Easy Installation- The wall mounted fan coil unit is easily installed because of its compact size, slimness

28R407C Models(Heatpump)Model : MWM 010FR / M4LC 010BRCooling ModeTC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)15 2.848 1.6

R407C Models(Heatpump)Model : MWM 015FR / M4LC 015BRCooling ModeTC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)TC(kW)SC(kW)15 3.144 1.817

30R407C Models(Heatpump)Model : MWM 020FR / M4LC 020BRCooling ModeTC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW)1

R407C Models(Heatpump)Model : MWM 025FR / M4LC 025BRCooling ModeTC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW)15

R407C Models(Heatpump)Model : MWM 030FR / M4LC 030CRCooling ModeTC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW) TC(kW) SC(kW)15

OperOperOperOperOperaaaaating Rting Rting Rting Rting Rangangangangangeeeee33Cooling onlyOutdoor temp. (°CDB)Indoor temp. (°CWB)-5193515462454STDHIGH

Noise Le Noise Le Noise Le Noise Le Noise LevvvvvelelelelelSound Pressure Level (Measured In Anechoic Room)Wall Mounted Fan Coil UnitMicrophone posit

MWM 007F/FR NC CurvesMWM 010F/FR NC Curves35

36MWM 015F/FR NC CurvesMWM 020F/FR NC Curves

MWM 025F/FR NC CurvesMWM 030F / 030FR NC CURVES37

Nomenc Nomenc Nomenc Nomenc Nomenclalalalalaturturturturtureeeee M WM 025 F R Model Type R : Heatpump Omitted if Cooling Series F : F Series

Outlines And DimensionOutlines And DimensionOutlines And DimensionOutlines And DimensionOutlines And DimensionIndoor UnitModel: MWM 010F / 010FR / 015

Indoor UnitMODEL : MWM 020F / 020FR / 025F / 025FROutdoor UnitModel : MLC 020B / 020BR / 025B / 025BR / 030B / 030BR M4LC 020B / 020BR / 0

Indoor UnitModel : MWM 030F / 030FROutdoor UnitModel : MLC 030C, MLC 030CR M4LC 030C, M4LC 030CR40Note : Dimension in mmNote : Dimension in

Indoor UnitModel : MWM 010F / 010FR / 015F / 015FROutdoor UnitModel : MLC 010C / 010CR / 015C / 015CR41

R R R R Refrigefrigefrigefrigefrigerererererant Cirant Cirant Cirant Cirant CircuitcuitcuitcuitcuitModel : MLC / M4LC 025B , MLC 030B42Cooling Only M

43Model : MLC 030BModel : MLC / M4LC 030C

Heatpump ModelsModel : M4LC 007BR / 010BR , MLC 010CRModel : M4LC 015BR44

Model : MLC 015CRModel : MLC / M4LC 020BR45

Model : MLC / M4LC 025BR , MLC 030BRModel : MLC / M4LC 030CR46

WWWWWiring Diairing Diairing Diairing Diairing DiagggggrrrrramamamamamCooling Only ModelsIndoor UnitModel : MWM 007F / 010F / 015F (D2.0 I.C.)Outdoor

Specif Specif Specif Specif SpecificaicaicaicaicationstionstionstionstionsINDOOR UNITMWM 010F MWM 015F MWM 020F MWM 025FOUTDOOR UNITMLC 010C MLC 015C

Indoor UnitModel : MWM 020F / 025F (D2.0 I.C.)Outdoor UnitModel : MLC 020B / 025B M4LC 020B / 025B48 1 PHASE 220 - 240V 50Hz

Outdoor UnitModel : MLC 020B / 025B M4LC 020B / 025BIndoor UnitModel : MWM 020F / 025F (D2.0 I.C.)49 3 PHASE 380 - 415V 50Hz

Outdoor UnitModel : MLC 030BIndoor UnitModel : MWM 030F (D2.0 I.C.)50 1 PHASE 220 - 240V 50Hz

Indoor UnitModel : MWM 030F (D2.01.C)Outdoor UnitModel : MLC/ M4LC 030C51

Indoor UnitModel : MWM 030F (D2.01.C.)Outdoor UnitModel : MLC/ M4LC 030C52

Indoor Unit Model : MWM 015F (D2.0 I.C.)Outdoor UnitModel : MLC 015C 1 PHASE 220 - 240V 50 Hz53

Indoor UnitModel : MWM 010F (D2.0 I.C.) 1 PHASE 220 - 240V 50 HzOutdoor UnitModel : MLC 010C54

Heatpump ModelsIndoor UnitModel : MWM 007FR / 010FR / 015FR (U1.4 I.C.)Outdoor UnitModel : M4LC 007BR / 010BR / 015BR55 1 PHASE 220

Indoor UnitModel : MWM 020FR / 025FR (U1.4 I.C.)Outdoor UnitModel : MLC 020BR / 025BR M4LC 020BR / 025BR 1 PHASE 220 - 2

Indoor UnitModel : MWM 020FR / 025FR (U1.4 I.C.) 3 PHASE 380 - 415V 50 Hz57Outdoor UnitModel : MLC 020BR / 025BR M4LC

R22 Models(Cooling Only)4AbbreviationINT. O.L.P - Internal Overload Protector1) ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOU

Indoor UnitModel : MWM 030FR (U1.4 1.C)Outdoor UnitModel : MLC / M4LC 030CR58

59Indoor UnitModel : MWM 030FR (U1.4 1.C.)Outdoor UnitModel : MLC / M4LC 030CR

Indoor UnitModel : MWM 030FR (U1.4 I.C.)Outdoor UnitModel : MLC 30BR1 PHASE220 - 240V50HZ60

Indoor UnitModel : MWM 010FR (U1.4 I.C.)Outdoor UnitModel : MLC 010CR61

Indoor UnitModel : MWM 015FR (U1.4 I.C.) 1 PHASE 220 - 240V 50 HzOutdoor UnitModel : MLC 015CR62

Outdoor UnitModel : MLC 020B / 025B50HZ / 1 Phase / 220 – 240VOutdoor UnitModel : MLC 030C50HZ / 1 Phase / 220 – 240V63High Ambient Unit (Optional)Coo

Heatpump ModelsOutdoor UnitModel : MLC 020BR / 025BR50HZ / 1 Phase / 220 – 240VOutdoor UnitModel : MLC 030CR50HZ / 1 Phase / 220 – 240V64

Low Ambient Unit (Optional)Cooling Only ModelsOutdoor UnitModel : MLC 010C50Hz/ 1 Phase / 220-240VOutdoor UnitModel : MLC 015C50Hz / 1 PHASE / 220 - 2

Cooling Only ModelsOutdoor UnitModel : MLC 010B / 015B50HZ / 1 Phase / 220~240VOutdoor UnitModel : MLC 020B / 025B50HZ / 1 Phase / 220~240V66

Heatpump ModelsOutdoor UnitModel : MLC 010BR / 015BR50HZ / 1 Phase / 220 – 240VOutdoor UnitModel : MLC 020BR50HZ / 1 Phase / 220 – 240VOutdoor UnitMod

5AbbreviationINT. O.L.P - Internal Overload ProtectorEXT. O.L.P - External Overload ProtectorEXT. P.P - External Phase Protector1) ALL SPECIFICATIO

SafSafSafSafSafety Prety Prety Prety Prety Precaution Befecaution Befecaution Befecaution Befecaution Befororororore Installae Installae Installae Ins

Symbol (with white background) denotes item that is PROHIBITED from doing.Symbol (with black background) denotes item that is COMPULSORY to be carried

Special PrSpecial PrSpecial PrSpecial PrSpecial Precautions Fecautions Fecautions Fecautions Fecautions For R407Cor R407Cor R407Cor R407Cor R407CSpeci

b) Ensure that the compressor is not expose to open air for more than the recommended timespecified by its manufacturer (typically less than 10 minute

InstallaInstallaInstallaInstallaInstallationtiontiontiontionInstallation Diagram72

CAUTION: Before installing the unit, ensure that the power supply matches the power requirement of the air conditioner.1) Selection Of Location An

(B) Outdoor UnitAs condensing temperature rises, evaporating temperature rises and cooling capacity drops. In order toachieve maximum cooling capacity

Condensed Water Disposal Of Outdoor Unit (Heatpmp Unit Only)• There are 2 holes on the base of outdoor unit for condensed water to flow out. Insert th

2) Drillings Holes And Mounting Installation PlateCAUTION:i) Please check the unit weight for each model. Always ensure that the wall is sufficiently

• Carefully bend the pipes to the requiredposition to align with the hole. For righthand and rear side draw out, hold thebottom of the piping and fix

6R22 Models(Heatpump)AbbreviationINT. O.L.P - Internal Overload Protector1) ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PR

5) Water Drainage PipingThe indoor drain pipe must be downward gradient for smooth drainage. Avoid situation as shown in figurebelow.6) WiringElectric

7) Installation Of Separate Orifice Kit At Outdoori) Outdoor Unit Installation Space Is Wide EnoughSteps:a) Directly connect the “Female” nut of orifi

ii) Outdoor Installation Space Is LimitedIf the orifice pipe cannot be connecteddirectly to the liquid valve due to limitationspace, it can be connec

8) Refrigerant PipingMaximum Pipe Length And Maximum Number Of BendsAlways choose the shortest path for refrigerant piping and follow the recommendati

4) After evacuation, unscrew the spindle (diagram B) for the gas to run to indoor unit.5) Decision by low side pressure. Turn compressor on for 10 or

Diagram shows typical charging method.10) Final Checking• Ensure that steps 1 to 9 are closely followed.• Ensure the following, in particular :1) The

RRRRRemote Contremote Contremote Contremote Contremote Controller Operoller Operoller Operoller Operoller Operaaaaation Guidetion Guidetion Guidetion

FANTURBOSWINGON TIMERSLEEPMODEIONIZEROFF TIMEROn/Off Button• Green colour for Cooling Only model• Orange colour for Heatpump modelOperati

Indicator Lights (cooling only unit)IR signal receiverWhen there is infrared remote control operating signal, the signal receiver on indoor unit will

Heatpump unit : LED Indicator Lights DisplayCooling mode(Green)Heat / Fan mode(Red/ Green)Dry mode(Orange)Sleep mode(Red)The heat pump units is equipp

7R407C Models(Cooling Only)AbbreviationINT. O.L.P - Internal Overload ProtectorEXT. O.L.P - External Overload ProtectorEXT. P.P - External Phase Pr

Special FunctionSpecial FunctionSpecial FunctionSpecial FunctionSpecial Function(A) 3 Hot System (Heating cycle)a) Hot startAt the beginning of heatin

c) Hot spurtDuring cold start, the set temperature of controller is increased by 2°C to stabilize the room temperaturequickly.After the first stop of

(E) Frost Prevention And Filter CheckIn order to prevent the freezing of indoor coil, the controller will operate as follow.(F) Auto Random RestartWhe

Ser Ser Ser Ser Servicing vicing vicing vicing vicing And MaintenanceAnd MaintenanceAnd MaintenanceAnd MaintenanceAnd MaintenanceCAUTION:After instal

Pre-Start Up Maintenance(After Extended Shutdown)- Inspect thoroughly and clean indoor and outdoor units.- Clean or replace air filters.- Clean conde

TTTTTrrrrroubouboubouboubleshootingleshootingleshootingleshootingleshooting PRESSURE PROBABLE CAUSE Data Circuit Too Low A Litt

The most common causes of air conditioner failure to “start” are :a) Voltage not within +/- 10% of rated voltage.b) Power supply interrupted.c) Contro

PPPPParararararts Listts Listts Listts Listts ListIndoor UnitModel : MWM 010F / 010FR / 015F / 015FR1. ASSY. MOUNTING PLATE 10. BUSH, FAN2. CLAMP. PIP

Model : MWM 020F / 020FR / 025F / 025FR / 030F / 030FR1. ASSY. CHASIS 8. ASSY. EVAPORATOR COIL2. PIPING, CLAMP 9. ASSY. AIR DISCHARGE HOUSING3. ASSY.

Outdoor UnitModel : M4LC 007B / 010B / 015B1. ASSY., BACK PANEL 14. ASSY., BASE PAN2. ASSY., TOP PANEL 15. ASSY., CAPILLARY TUBE3. ASSY., CONDENSER CO