McQuay MCM Specifications

©2004 McQuay International +1 (800) 432-1342 www.mcquay.comISO 9002REGISTEREDMCM - 2004Ceiling Exposed Split SystemsModels: MCM 020 D/DR MCM 025

Cooling Only (R407C) MODEL INDOOR UNIT MCM020D MCM025D MCM030D MCM040D MCM050DOUTDOOR UNITM4LC020B M4LC025B M4LC030C M4LC040C M4LC050CNOMINAL kcal/h4,

Heat Pump (R407C) MODEL INDOOR UNITMCM020DR MCM025DR MCM030DR MCM040DR MCM050DROUTDOOR UNIT M4LC020BR M4LC025BR M4LC030CR M4LC040CR M4LC050CRNOMINAL k

Cooling Only (R407C) MODEL INDOOR UNITOUTDOOR UNIT M4LC60C M4LC061CNOMINAL kcal/h 13860 13610COOLING W 16120 15830CAPACITY Btu/h 55000 54000NOMINAL TO

Cooling Only (R407C) MODEL INDOOR UNITOUTDOOR UNIT M4LC060C M4LC061CNOMINAL kcal/h 13860 13610COOLING W 16120 15830CAPACITY Btu/h 55000 54000NOMINAL T

Heat Pump (R407C) MODEL INDOOR UNITMCM061CROUTDOOR UNITM4LC061CRNOMINAL kcal/h14110HEATING W16410CAPACITY Btu/h56000NOMINAL kcal/h13610COOLING W15830C

Heat Pump (R407C) MODEL INDOOR UNITMCM062CROUTDOOR UNITM4LC061CRNOMINAL kcal/h14110HEATING W16410CAPACITY Btu/h56000NOMINAL kcal/h13610COOLING W15830C

Noise Level Model Speed 1/1 Octave Sound pressure level (dB, ref 20µPa) 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz Overall A (dBA) Noise Criteria High

010203040506070125 250 500 1000 2000 4000 8000Octave-band frequency (Hz)Sound pressure level (dB, ref 20 Pa )M easured in anecho ic roo m at 1m in fr

010203040506070125 250 500 1000 2000 4000 8000Octave-band frequency (Hz)Sound pressure level (dB, ref 20 Pa)M easured in anecho ic ro o m at 1m in f

010203040506070125 250 500 1000 2000 4000 8000Octave-band frequency (Hz)Sound pressure level (dB, ref 20 Pa)NC-40NC-35NC-25NC-20NC-45NC-50Hig h f anL

Contents Special Features ... 2 Specificati

Operating Range Ensure the operating temperature is in allowable range. Cooling only Cooling The use of your air conditioner outside the range of

Refrigerant Circuit MODEL : MCM020D – MLC/ M4LC020B MODEL : MCM025D – MLC/ M4LC025B MCM030D – M4LC030B Page 20

MODEL : MCM030D – MLC/ M4LC030C MCM040D – MLC035C MCM040D – MLC/ M4LC040C MCM050D – MLC/ M4LC050C MODEL : MCM06

MODEL : MCM020DR – MLC/ M4LC020BR MODEL : MCM025DR – MLC/M4LC025BR MCM030DR – MLC030BR Page 22

MODEL : MCM030DR – MLC/ M4LC030CR MCM040DR – MLC035CR MCM040DR – MLC/ M4LC040CR MCM050DR – MLC/ M4LC050CR MO

Performance Table COOLING ONLY (R22) MODEL : MCM020D / MLC020B Indoor DB Indoor WB Capacity Outdoor DB, °C °C °C kW 19.4 25 30 35 40 46 50 52 54 26.

MODEL : MCM030D / MLC030C Indoor DB Indoor WB Capacity Outdoor DB, °C °C °C kW 19.4 25 30 35 40 46 50 52 54 26.7 13.9 TC 7.784 7.460 7.170 6.880 6.

MODEL : MCM050D / MLC050C Indoor DB Indoor WB Capacity Outdoor DB, °C °C °C kW 19.4 25 30 35 40 46 50 52 54 26.7 13.9 TC 12.749 12.256 11.815 11.374

COOLING ONLY (R407C) MODEL : MCM020D / M4LC020B Indoor DB Indoor WB Capacity Outdoor DB, °C °C °C kW 19.4 25 30 35 40 46 50 52 54 26.7 13.9 TC 4.706

MODEL : MCM040D / M4LC040C Indoor DB Indoor WB Capacity Outdoor DB, °C °C °C kW 19.4 25 30 35 40 46 50 52 54 26.7 13.9 TC 9.586 9.233 8.917 8.602 7.8

Special Features Ultra Slim New Stylish Design Profile This unit is contemporary in design and match even the most up to date interior decor. The sli

HEAT PUMP MODEL – R22 MODEL : MCM020DR / MLC020BR (COOLING MODE) Indoor DB Indoor WB Capacity Outdoor DB, °C °C °C kW 19.4 25 30 35 40 46 50 52 54

MODEL : MCM040DR / MLC040CR (COOLING MODE) Indoor DB Indoor WB Capacity Outdoor DB, °C °C °C kW 19.4 25 30 35 40 46 50 52 54 26.7 13.9 TC 9.748 9

HEATING MODE – R22 MODEL : MCM020DR / MLC020BR (HEATING MODE) Indoor DB°C Outdoor WB°C kW 15.0 17.0 19.0 21.0 24.0 26.7 -9.0 TC 3.552 3.561

MODEL : MCM040DR / MLC040CR (HEATING MODE) Indoor DB°C Outdoor WB°C kW 15.0 17.0 19.0 21.0 24.0 26.7 -9.0 TC 6.456 6.337 6.218 6.099 6.108

HEATPUMP MODEL – R407C MODEL : MCM020DR / M4LC020BR (COOLING MODE) Indoor DB Indoor WB Capacity Outdoor DB, °C °C °C kW 19.4 25 30 35 40 46 50 52

HEATPUMP MODEL – R407C MODEL : MCM040DR / M4LC040CR (COOLING MODE) Indoor DB Indoor WB Capacity Outdoor DB, °C °C °C kW 19.4 25 30 35 40 46 50 52

HEATING MODE – R407C MODEL : MCM020DR / M4LC020BR (HEATING MODE) Indoor DB°C Outdoor WB°C kW 15.0 17.0 19.0 21.0 24.0 26.7 -9.0 TC 3.214 3.2

MODEL : MCM040DR / M4LC040CR (HEATING MODE) Indoor DB°C Outdoor WB°C kW 15.0 17.0 19.0 21.0 24.0 26.7 -9.0 TC 6.456 6.337 6.218 6.099 6.10

INDOOR UNIT Model: MCM - D SERIES (COOLING ONLY AND HEAT PUMP) MODEL MCM020D/DR MCM025D/DR MCM030D/DR MCM040D/DR MCM050D/DR A 1174 11

MODEL : MCM061C/CR MODEL : MCM062C/CR CE A(GRILL) B C D E F G H I J K L O T X 62C 1750 40 36 1930 1830 680 352 292

Specifications Cooling Only (R22) MODEL INDOOR UNIT MCM 020D MCM 025D MCM 040D MCM 050DOUTDOOR UNIT MLC 020B MLC 025B MLC 030B MLC 030C MLC 040C MLC

OUTDOOR UNIT MODEL : MLC020/ 025 B/BR, M4LC020/ 025 B/BR, MLC030B/BR Note : Dimension in mm MODEL : MLC030/ 035/ 040/ 050 C/CR, M4LC030/ 040/ 05

MODEL : MLC / M4LC061 C/CR Page 40

Wiring Diagrams COOLING ONLY INDOOR UNIT MODEL : MCM020/025D OUTDOOR UNIT MODEL : MLC/M4LC020/ 025B Page 41

INDOOR UNIT MODEL : MCM030D OUTDOOR UNIT MODEL : MLC030BPage 42

INDOOR UNIT MODEL : MCM030D OUTDOOR UNIT MODEL : MLC/M4LC030C Page 43

INDOOR UNIT MODEL : MCM040D OUTDOOR UNIT MODEL : MLC035C Page 44

INDOOR UNIT MODEL : MCM040/ 050D OUTDOOR UNIT MODEL : MLC/M4LC040/ 050C Page 45

INDOOR UNIT MODEL : MCM061/ 062C OUTDOOR UNIT MODEL : M4LC060C Page 46

INDOOR UNIT MODEL : MCM061/ 062C OUTDOOR UNIT MODEL: MLC/ M4LC061C Page 47

HEAT PUMP INDOOR UNIT MODEL : MCM020/ 025DR OUTDOOR UNIT MODEL: MLC/ M4LC020/ 025BR Page 48

Heat Pump (R22) MODEL INDOOR UNITMCM020DR MCM025DR MCM050DROUTDOOR UNITMLC020BR MLC025BR MLC030BR MLC030CR MLC035CR MLC040CR MLC050CRNOMINAL kcal/h50

INDOOR UNIT MODEL : MCM030DR OUTDOOR UNIT MODEL: MLC030BR Page 49

INDOOR UNIT MODEL : MCM030DR OUTDOOR UNIT MODEL: MLC/ M4LC030CR Page 50

INDOOR UNIT MODEL : MCM040DR OUTDOOR UNIT MODEL: MLC035CR Page 51

INDOOR UNIT MODEL : MCM040/ 050DR OUTDOOR UNIT MODEL: MLC/ M4LC040/ 050CR Page 52

INDOOR UNIT MODEL : MCM061/ 062CR OUTDOOR UNIT MODEL: MLC/M4LC061CR Page 53

INDOOR UNIT MODEL : MCM061/ 062CR OUTDOOR UNIT MODEL: MLC/ M4LC060CR Page 54

ATTACHMENT 60HZ OUTDOOR UNIT MODEL : MLC 30C (COOLING ONLY) 60HZ / 1 PHASE / 208 ~230V MODEL : MLC040/ 050C (COOLING ONLY) 60HZ / 3

3 PHASE FOR 2 & 3 HP OUTDOOR UNIT MODEL : MLC/ M4LC020/ 025B (COOLING ONLY) 3 PHASE / 50 HZ / 380 ~ 415V MODEL : MLC/

MODEL : MLC/ M4LC020/ 025BR (HEAT PUMP) 3 PHASE / 50HZ / 380 ~ 415V MODEL : MLC/ M4LC030CR (HEAT PUMP) 3 PHASE / 50HZ / 380

HIGH AMBIENT UNIT OUTDOOR UNIT MODEL : MLC020/ 025B (COOLING ONLY) 50HZ / 1 PHASE / 220 – 240V, 60HZ / 1 PHASE / 208 – 230V OUTDOOR U

Cooling Only (R22) MODEL INDOOR UNITMCM061COUTDOOR UNITMLC061CNOMINAL kcal/h14110COOLING W16410CAPACITY Btu/h56000NOMINAL TOTAL POWER W5593NOMINAL TO

OUTDOOR UNIT MODEL : MLC020/ 025BR (HEAT PUMP) 50HZ / 1 PHASE / 220 – 240V OUTDOOR UNIT MODEL : MLC030CR (HEAT PUMP) 50HZ / 1 PHASE / 2

LOW AMBIENT UNIT (OPTIONAL) OUTDOOR UNIT MODEL : MLC010B / 015B (50HZ) OUTDOOR UNIT MODEL : MLC020B / 025B (50HZ)

LOW AMBIENT UNIT OUTDOOR UNIT MODEL : MLC010/ 015BR 50HZ / 1 PHASE / 220 – 240V OUTDOOR UNIT MODEL : MLC020BR 50HZ / 1 PHASE / 220 –

SINGLE PHASE FOR 4HP OUDOOT UNIT MODEL : MLC/ M4LC040C (COOLING ONLY) MODEL : MLC/ M4LC040CR (HEATPUMP) Page 62

Special Precautions for R407 Special Precautions When Dealing With Refrigerant R407C Unit 1) What is new refrigerant R407C? R407C is a zeotropic re

c) Ensure that the compressor is not expose to open air for more than the recommended time specified by its manufacturer (typically less than 10 minu

Installation Cautio Caution Sharp edges and coil surfaces are potential injury hazard. Avoid from contact with them. (1) Installation of Outdoor

MCM-D MCM061C Figure B Please ensure that the following steps are taken : • Check the gradient for drainage flow as recommended

MCM061/ 062C Figure C • Provide the installation space as shown in Figure D. MCM-D MCM061/ 062C F

Installation - Ceiling Exposed Type STEP 1 Remove air intake grille, side panel, side close-up and hanger bracket from the unit; see Fig E. AIR INTAK

Cooling Only (R22) MODEL INDOOR UNIT MCM062COUTDOOR UNIT MLC061CNOMINAL kcal/h 14110COOLING W 16410CAPACITY Btu/h 56000NOMINAL TOTAL POWER W 6195NOMI

Installation - Floor Standing Type (OPTIONAL SPECIFICATION) STEP 1 Remove air intake grille, side panel, side close-up and side panel from the unit;

(2) Installation of Outdoor Unit As condensing temperature rises, evaporating temperature rises and cooling capacity drops. In order to achieve maximu

(3) Refrigerant Piping Maximum Pipe Length And Maximum Number Of Bends • When the pipe length becomes too long, both the capacity and reliability dro

(5) Vacuuming and charging • The precharged outdoor unit does not need any vacuuming or charging. However once it is connected, the connecting pipe

(6) Additional Charge • The refrigerant gas has already charged into the outdoor unit. For the piping length of 5m. Additional refrigerant charge af

(8) Standard Operating Condition Cooling Only Unit Temperature Ts °C Th °C minimum indoor temperature 19.4 13.9 maximum indoor temperature 26.7 19.4

(9) Operating State and Fault Table Wireless Remote Control - Handset Cooling: LED Indicator Light Display Heatpump : LED Indicator Light Disp

Remote Control Operation Guide G6 Remote Controller AUTOMATIC AIR SWING • Press the button to activate the automatic air swing function. The swing

COOLDRYHEATMEDHIGHAUTOMODETEMPSENSORON/OFFSLEEPLOWTIMER82593641FANFAN ON/OFFTEMPSLEEPTIMER MODE7123456107SWINGSWINGFAN SLM AC-5300 (OPTIONAL)

G8 Remote Controller 1 2 4 6 5 12 3 8 7 9 10 11 1. Transmission source • The source where the signal will be transmitted.

Heat Pump (R22) MODEL INDOOR UNIT MCM061CROUTDOOR UNIT MLC061CRNOMINAL kcal/h 14110COOLING W16410CAPACITY Btu/h 56000NOMINAL kcal/h 14110HEATING W 164

Trouble Shooting When any air-conditioner malfunction is noted, immediately switch off the power supply to the unit, and contact the local dealer, if

The design of the MLC outdoor series allows servicing to be carried out readily and easily. The removal of the top side, front and back panel make alm

Trouble Shooting When any air-conditioner malfunction is noted, immediately switch off the power supply to the unit, and contact the local dealer, if

For Cooling Only Models Or Heat Pump Models (Cooling Cycle) Diagnosis By Flow Chart The following chart are efficient checking procedures for trouble

Insufficient Cooling Insufficient CoolingHigh Discharge Pressure or LowSuction PressureDual PressureSwitchCompressorCyclingOvercurrentRelay ForCompres

High Suction Pressure High SuctionPressureExcessive Fresh Air IntakeEvaporatorAir InletTemp.Insufficient Duct InsulationDefective Compressor ValveRedu

For Heat Pump Models By means of pressure readings : PRESSURE PROBABLE CAUSE Data Circuit Too Low A Little Low Normal 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

Parts List Model : MCM020/ 025 D/DR NO. PARTS DESCRIPTION NO. PARTS DESCRIPTION 1 TOP PANEL 16 COIL ASSY 2 HANGER BRACKET - LEFT 17 SIDE FR

Model : MCM030 D/DR NO. PART DESCRIPTION NO. PART DESCRIPTION 1 BRACKET HANGER, LEFT 17 GRILLE, AIR INTAKE 2 TERMINAL BOX COVER 18 ASSY, FILT

Heat Pump (R22) ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE. 2) ALL UNITS ARE BEI

Model : MCM040/ 050 D/DR NO. PART DESCRIPTION NO. PART DESCRIPTION 1 BRACKET HANGER, LEFT 19 DRAIN PAN ASSY 2 TERMINAL BOX COVER 20 DRAIN HOSE

Model : MCM061 / 062 C/CR NO. PART DESCRIPTION NO. PART DESCRIPTION 1 TOP BACK PANEL 13 DRAIN PAN 2 COIL HOLDER LEFT 14 BOTTOM PANEL 3 COIL

Model : MLC/ M4LC020/ 025 B/BR MLC030 B/BR NO PART DESCRIPTION NO. PART DESCRIPTION 1 BACK PANEL 15 NUT 2 TOP PANEL 16 BASE PAN 3 COIL AS

Model : MLC/ M4LC030/ 040/ 050/ 061 C/CR, M4LC060C MLC035 C/CR NO PART DESCRIPTION NO. PART DESCRIPTION 1 BASE PAN 11 MOTOR BRACKET ASSY 2 F

©2004 McQuay International +1 (800) 432-1342 www.mcquay.comISO 9002REGISTERED