McQuay MWM-LW Technical Manual
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McQuay MWM-LW Technical Manual

Chilled water fan coil units
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Table of Contents

TECHNICAL MANUAL
Chilled Water Fan Coil Units
MWM, MCK, MCM, MCC, MDB Series
MWM-LW
MCK-CW
MCC-CW
MCK-EW
MCM-DW/EW
MDB-BW
V1

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Table of Contents
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Summary of Contents for McQuay MWM-LW

  • Page 1 TECHNICAL MANUAL Chilled Water Fan Coil Units MWM, MCK, MCM, MCC, MDB Series MWM-LW MCK-EW MCK-CW MCM-DW/EW MCC-CW MDB-BW...

  • Page 3: Table Of Contents

    @ 2013 McQuay International. All rights reserved throughout the world. Bulletin illustrations cover the general appearance of McQuay International products at the time of publication. We reserve the right to change design and construction specifi cations at any time without notice.

  • Page 4: Nomenclature

    (Wall Mounted Fan Coil Unit) M WM 10 L W – A C E D A - R RoHS Compliance Brand Product Specification Variation M : McQuay A : First Issue Product Type Grille WM : Wall Mounted D : Grille D...
  • Page 5 Nomenclature Nomenclature (Cassette Fan Coil Unit C series) M CK 10 C W – A X AB - R Brand M : McQuay Product Type CK : Ceiling Cassette RoHS Compliance Size (Cooling/Heating) 10 : 8,500/12,000 btu/hr 15 : 14,000/16,000 btu/hr...
  • Page 6 Nomenclature Nomenclature (Cassette Fan Coil Unit A series) M CK 25 A W – A X AB - R Brand M : McQuay Product Type CK : Ceiling Cassette RoHS Compliance Size (Cooling/Heating) 20 : 22,500 / 28,500 btu/hr Product Specification Variation...
  • Page 7 (Ceiling Cassette E series) M CK 20 E W – A E C A A - R RoHS Compliance Brand Product Specification Variation M : McQuay A : First Issue Product Type Motor CK : Ceiling Cassette A : AC motor...
  • Page 8 Nomenclature Nomenclature (Ceiling Mounted D series) M CM 25 D W – A X AB - R Brand M : McQuay Product Type CM : Ceiling Mounted RoHS Compliance Size (Cooling/Heating) 20 : 17,000 / 22,000 btu/hr Product Specification Variation...
  • Page 9 Nomenclature Nomenclature (Ceiling Mounted E series) M CM 15 E W – A X AB - R Brand M : McQuay Product Type CM : Ceiling Mounted RoHS Compliance Product Specification Variation Size (Cooling/Heating) 10 : 15,500 / 19,500 btu/hr 15 : 20,300 / 25,000 btu/hr Type of ref.
  • Page 10 Nomenclature Nomenclature (Ceiling Concealed) CC 010 C W – A X AC – R Brand M : McQuay RoHs Compliance Product Type CC : Ceiling Concealed Size (Cooling/Heating) 010 : 9,900/11,500 btu/hr Product Specification Variation 015 : 11,600/15,000 btu/hr 020 : 18,000/23,000 btu/hr Type of ref.
  • Page 11 Nomenclature Nomenclature (Ducted Blower B series) M DB 75 B W – A X AB - R Brand M : McQuay Product Type DB : Ducted Blower RoHS Compliance Size (Cooling/Heating) Product Specification Variation 75 : 75,600 / 78,000 btu/hr...

  • Page 12: Application Information

    Application Information Application Information Model: MWM Series Operating Limits: Thermal carrier : Water Water temperature : 4°C ~ 10°C (Cooling), 35°C ~ 50°C (Heating) Maximum water pressure : 16 bar Air temperature : (as below) Cooling Mode Heating Mode Temperature Ts °C/°F Th °C/°F Temperature...

  • Page 13: Installation Guide

    Cooling Mode & Valveless Application √ Jumper Remained X Jumper Removed Caution Disconnect the power supply to the unit before attempting to connect the wiring Valve, Heat and Fan Priority Setting Model: MWM-LW Series BLACK WHITE BROWN BLACK (LIVE) RED (FAN CAP)
  • Page 14 Application Information Model: MCK/MCC Series CN_DRY LIVE CN_TW CN_PGRM CN_STP CN_DSP H_SEN C_SEN ROOM CN_WIR Valve Jumper Heat Jumper Fan Priority Jumper Jumper With Jumper (Default) Without Jumper User set speed or lower fan if auto Fan Priority Jumper Fan Stop when thermostat cat off mode is selected Heat Jumper For Heat pump...
  • Page 15 Application Information System Model Function 2 Pipe M1 - Cooling or Heating System Model 1 Mini Chiller (Cooling Only) M2 - Cooling or Heating with Auxiliary Heater Model 2 Mini Chiller (Cooling / Heating) 4 Pipe M3 - Cooling Only with Boiler System Model 3 Mini Chiller (Cooling Only)
  • Page 16 Application Information ii) Anti Freeze Mode Anti Freeze operation has the highest priority among all unit operation. Anti Freeze operation will be activated only if dry contact is closed and vice versa. iii) Window Open Mode The dry contact connection points can be connected in parallel with other fan coil unit (FCU) boards. If the dry contact is closed, Window open mode will be activated on all the fan coil units which are connected in parallel as shown in fi...

  • Page 17: Cable Size

    Application Information Cable Size MCK020/025/030/ Model Unit MWM07/10/15/20/25LW MWM301W 040/050AW Power supply cable size* mm² Number of wire Recommended fuse* MCK020/025/030/ MCM020/025/ Model Unit MCM015/020EW 040/050AWH 030/040/050DW Power supply cable size* mm² Number of wire Recommended fuse* Model Unit MCM025EW MCK10/15/20CW MCK20/25/30/40/50EW Power supply cable size*...

  • Page 18: Sound Data

    Sound Data Sound Data Sound Pressure Level 1/1 Octave A-Weighted Sound Pressure (dBA), ref 20μPa Overall Noise Model Speed (dBA) Criteria 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz High MWM07LW High MWM10LW High MWM15LW High MWM20LW High MWM25LW High *MWM301W Microphone position: 1m in front and 0.8m/*1m below the vertical centre line of the unit.
  • Page 19 Sound Data 1/1 Octave A-Weighted Sound Pressure (dBA), ref 20μPa Overall Noise Model Speed (dBA) Criteria 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz High MCK010CW High MCK015CW High MCK020CW Microphone position: 1.4m below the face center of the air return of the unit. 1/1 Octave A-Weighted Sound Pressure (dBA), ref 20μPa Overall Noise Model...
  • Page 20 Sound Data 1/1 Octave A-Weighted Sound Pressure (dBA), ref 20μPa Overall Noise Model Speed (dBA) Criteria 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz High MCM15EW High MCM20EW High MCM25EW Microphone position: 1m in front of the unit and 1m below the air discharge opening. 1/1 Octave A-Weighted Sound Pressure (dBA), ref 20μPa Overall Noise Model...
  • Page 21 Sound Data 1/1 Octave A-Weighted Sound Pressure (dBA), ref 20μPa Overall Noise Model Speed (dBA) Criteria 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz High MDB075BW High MDB100BW MBD125BW High MDB150BW High Microphone position: 1m in front of the unit and center of the unit. 1m away from every side of the unit and 1m above fl...
  • Page 22 Sound Data 1/1 Octave Sound Power Level (dB, reference 1pW) Overall Model Speed A (dBA) 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz High MCK020AW/ High MCK025AW/ High MCK030AW/ High MCK040AW/ High MCK050AW/ Measured In Reverberation Chamber 1/1 Octave Sound Power Level (dB, reference 1pW) Overall Model Speed...
  • Page 23 Sound Data 1/1 Octave Sound Power Level (dB, reference 1pW) Overall Model Speed A (dBA) 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz High MCK020EW High MCK025EW High *MCK030EW High *MCK040EW High *MCK050EW Measured In Reverberation Chamber 1/1 Octave Sound Power Level (dB, reference 1pW) Overall Model Speed...
  • Page 24 Sound Data 1/1 Octave Sound Power Level (dB, reference 1pW) Overall Model Speed A (dBA) 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz High MCC010CW High MCC015CW High MCC020CW High MCC025CW High MCC028CW High MCC030CW High MCC038CW High MCC040CW High MCC050CW High MCC060CW Measured In Reverberation Chamber...

  • Page 25: Nc Curve

    Sound Data NC Curve MWM07LW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MWM010LW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 26 Sound Data MWM15LW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MWM20LW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 27 Sound Data MWM25LW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MWM301W NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 28 Sound Data MCK020AW/AWH NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCK025AW/AWH NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 29 Sound Data MCK030AW/AWH NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCK040AW/AWH NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 30 Sound Data MCK050AW/AWH NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCK10CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 31 Sound Data MCK15CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCK20CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 32 Sound Data MCK20EW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCK25EW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 33 Sound Data MCK30EW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCK40EW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 34 Sound Data MCK50EW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCM020DW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 35 Sound Data MCM025DW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCM030DW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 36 Sound Data MCM040DW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCM050DW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 37 Sound Data MCM15EW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCM20EW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 38 Sound Data MCM25EW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCC10CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 39 Sound Data MCC15CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCC20CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 40 Sound Data MCC25CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCC28CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 41 Sound Data MCC30CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCC38CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 42 Sound Data MCC40CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MCC50CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 43 Sound Data MCC60CW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MDB75BW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 44 Sound Data MDB100BW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz) MDB125BW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)
  • Page 45 Sound Data MDB150BW NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 1000 2000 4000 8000 Octave-band frequency (Hz)

  • Page 46: Selection Process

    Selection Process Selection Process The following table summarizes the pulley data, motor size used for the MDB series, as manufactured: Motor Pulley Pulley Center Distance, C Blower Pulley, Db Diameter, Dm Model Motor, kW Motor RPM Horizontal Vertical Taper # Taper # (mm) (mm)
  • Page 47 Fan Performance Chart Fan Performance Chart Fan Performance Curve MCC10CW mmAq HIGH MEDIUM Air Flow...
  • Page 48 Fan Performance Chart MCC15CW mmAq HIGH MEDIUM 1000 1100 1200 1300 1360 Air Flow...
  • Page 49 Fan Performance Chart MCC20CW mmAq HIGH MEDIUM 1000 1100 1200 1300 1400 1500 1615 Air Flow...
  • Page 50 Fan Performance Chart MCC25CW mmAq HIGH MEDIUM 1000 1100 1200 1300 1400 1500 1615 Air Flow...
  • Page 51 Fan Performance Chart MCC28CW mmAq MEDIUM HIGH 1000 1100 1200 1100 1300 1500 1700 1900 2040 Air Flow...
  • Page 52 Fan Performance Chart MCC30CW mmAq HIGH MEDIUM 1000 1200 1400 1100 1300 1500 1700 1900 2100 2380 Air Flow...
  • Page 53 Fan Performance Chart MCC38CW mmAq HIGH MEDIUM 1000 1200 1400 1100 1300 1500 1700 1900 2100 2380 Air Flow...
  • Page 54 Fan Performance Chart MCC40CW mmAq HIGH MEDIUM 1000 1100 1200 1300 1400 1500 1020 1200 1400 1600 1800 2000 2200 2400 2550 Air Flow...
  • Page 55 Fan Performance Chart MCC50CW mmAq HIGH MEDIUM 1000 1100 1200 1300 1400 1500 1600 1700 1800 1530 1700 1900 2100 2300 2500 2700 2900 3060 Air Flow...
  • Page 56 Fan Performance Chart MCC60CW mmAq HIGH MEDIUM 1000 1200 1400 1600 1800 2000 1700 1900 2100 2300 2500 2700 2900 3200 3400 Air Flow...
  • Page 57 Fan Performance Chart MDB75BW mmAq HIGH MEDIUM 1000 1500 2000 2500 3000 1000 1500 2000 2500 3000 3500 4000 4500 5100 Air Flow...
  • Page 58 Fan Performance Chart MDB100BW mmAq MEDIUM HIGH 2000 2500 3000 3500 4000 3400 4000 4500 5000 5500 6000 6500 6800 Air Flow...
  • Page 59 Fan Performance Chart MDB125BW 1.5 kW 1.1 kW Standard Point Internal Static Pressure with air filter Internal Static Pressure w/o air filter 3500 4000 4500 5000 1800 2000 1652 2200 2360 Air Flow...
  • Page 60 Fan Performance Chart MDB150BW 2.2 kW 1000 1.5 kW Standard Point 1.1 kW Internal Static Pressure with filter Internal Static Pressure w/o filter 3500 4000 4500 5000 5500 CFM 1652 1652 2596 2596 1850 2050 2250 2450 Air Flow...

  • Page 61: Engineering & Physical Data

    Engineering & Physical Data Engineering & Physical Data Engineering Data - Chilled Water Fan Coil Unit MODEL MWM07LW MWM10LW MWM15LW MWM20LW MWM25LW Btu/h 8300 9200 11300 15500 18000 NOMINAL COOLING CAPACITY 2430 2700 3310 4540 5280 Btu/h 6300 6900 9000 11700 14000 NOMINAL SENSIBLE COOLING CAPACITY...
  • Page 62 Engineering & Physical Data Engineering Data - Chilled Water Fan Coil Unit MODEL MWM301W Btu/h 22000 NOMINAL COOLING CAPACITY 6450 Btu/h 16720 NOMINAL SENSIBLE COOLING CAPACITY 4900 Btu/h 23000 NOMINAL HEATING CAPACITY (ENTERING WATER TEMP. = 50°C) 6740 NOMINAL TOTAL INPUT POWER NOMINAL RUNNING CURRENT 0.32 POWER SOURCE...
  • Page 63 Engineering & Physical Data Engineering Data - Chilled Water Fan Coil Unit MODEL MCK020AW MCK025AW MCK030AW MCK040AW MCK050AW Btu/h 22500 25500 30000 33500 36500 NOMINAL COOLING CAPACITY 6590 7470 8790 9820 10700 Btu/h 16700 18400 21800 24200 26250 NOMINAL SENSIBLE COOLING CAPACITY 4890 5390 6390...
  • Page 64 Engineering & Physical Data Engineering Data - Chilled Water Fan Coil Unit MODEL MCK020AWH MCK025AWH MCK030AWH MCK040AWH MCK050AWH Btu/h 13000 13500 15500 17000 17500 NOMINAL COOLING CAPACITY 3810 3960 4540 4980 5130 Btu/h 11600 12010 13850 15000 15500 NOMINAL SENSIBLE COOLING CAPACITY 3400 3520 4060...
  • Page 65 Engineering & Physical Data Engineering Data - Chilled Water Fan Coil Unit MODEL MCK010CW MCK015CW MCK020CW Btu/h 8500 14000 15500 NOMINAL COOLING CAPACITY 2490 4100 4540 Btu/h 6500 10000 11500 NOMINAL SENSIBLE COOLING CAPACITY 1910 2930 3370 Btu/h 12000 16000 18000 NOMINAL HEATING CAPACITY (ENTERING WATER TEMP.
  • Page 66 Engineering & Physical Data Engineering Data - Chilled Water Fan Coil Unit MODEL MCK020EW MCK025EW MCK030EW MCK040EW MCK050EW Btu/h 21000 25000 30000 38000 43000 NOMINAL COOLING CAPACITY 6150 7330 8790 11140 12600 Btu/h 15900 19200 22300 27400 31000 NOMINAL SENSIBLE COOLING CAPACITY 4660 5630 6540...
  • Page 67 Engineering & Physical Data Engineering Data - Chilled Water Fan Coil Unit MODEL MCM20DW MCM25DW MCM30DW MCM40DW MCM50DW Btu/h 17700 20800 24600 31200 45000 NOMINAL COOLING CAPACITY 5190 6100 7210 9140 13190 Btu/h 13650 15000 17700 25600 31400 NOMINAL SENSIBLE COOLING CAPACITY 4000 4400 5190...
  • Page 68 Engineering & Physical Data Engineering Data - Chilled Water Fan Coil Unit MODEL MCM15EW MCM20EW MCM25EW Btu/h 15500 20300 21000 NOMINAL COOLING CAPACITY 4540 5950 6150 Btu/h 12700 15400 16150 NOMINAL SENSIBLE COOLING CAPACITY 3720 4510 4730 Btu/h 19500 25000 28000 NOMINAL HEATING CAPACITY (ENTERING WATER TEMP.
  • Page 69 Engineering & Physical Data Engineering Data - Chilled Water Fan Coil Unit MODEL MCC010CW MCC015CW MCC020CW MCC025CW MCC028CW Btu/h 9900 11600 18000 22500 20800 NOMINAL COOLING CAPACITY 2900 3400 5280 6590 6100 Btu/h 7000 8120 12600 15750 17000 NOMINAL SENSIBLE COOLING CAPACITY 2050 2380 3690...
  • Page 70 Engineering & Physical Data Engineering Data - Chilled Water Fan Coil Unit MODEL MCC030CW MCC038CW MCC040CW MCC050CW MCC060CW Btu/h 24800 38000 37000 44700 51800 NOMINAL COOLING CAPACITY 7270 11140 10840 13100 15180 Btu/h 19700 29800 29300 35100 40900 NOMINAL SENSIBLE COOLING CAPACITY 5770 8730 8590...
  • Page 71 Engineering & Physical Data Engineering Data - Chilled Water Fan Coil Unit MODEL MDB75BW MDB100BW MDB125BW MDB150BW Btu/h 75600 95000 125000 150000 NOMINAL COOLING CAPACITY 22160 27840 36640 43960 Btu/h 53700 69400 90000 106500 NOMINAL SENSIBLE COOLING CAPACITY 15740 20340 26380 31210 Btu/h...

  • Page 72: Outlines & Dimensions

    Outlines & Dimensions Outlines & Dimensions Indoor Unit Model: MWM07/10/15LW Note: Dimension in mm...
  • Page 73 Outlines & Dimensions Model: MWM20/25LW Note: Dimension in mm...
  • Page 74 Outlines & Dimensions Model: MWM301W 1120,0 (44,1) 360,0 (14,2) 200,0 (7,9) 730,0 (28,7) 347,0 (13,7) Note: Dimension in mm...
  • Page 75 Outlines & Dimensions Model: MCK20/25/30/40/50AW Note: Dimension in mm...
  • Page 76 Outlines & Dimensions Model: MCK20/25/30/40/50AWH Model MCK20AWH MCK25AWH MCK30AWH MCK40AWH MCK50AWH Note: Dimension in mm...
  • Page 77 Outlines & Dimensions Model: MCK010/015/020CW Dimension Model MCK010CW/ MCK015CW/ MCK020CW Note: Dimension in mm...
  • Page 78 Outlines & Dimensions Model: MCK020/025/030/040/050EW Note: Dimension in mm...
  • Page 79 Outlines & Dimensions Model: MCM20/25/30/40/50DW Model MCM20DW 1174 75 1082 68 156 1214 57 670 216 319 879 517 MCM25DW 1174 75 1082 68 156 1214 57 670 216 319 879 517 MCM30DW 1174 75 1082 68 156 1214 57 670 216 319 879 517 100 MCM40DW 1674 75 1582 68 156 1214 57...
  • Page 80 Outlines & Dimensions Model: MCM15/20/25EW Note: Dimension in mm...
  • Page 81 Outlines & Dimensions Model: MCC010CW (Left Piping) Note: Dimension in mm...
  • Page 82 Outlines & Dimensions Model: MCC010CW (Right Piping) Note: Dimension in mm...
  • Page 83 Outlines & Dimensions Model: MCC015CW (Left Piping) Note: Dimension in mm...
  • Page 84 Outlines & Dimensions Model: MCC015CW (Right Piping) Note: Dimension in mm...
  • Page 85 Outlines & Dimensions Model: MCC020CW (Left Piping) Note: Dimension in mm...
  • Page 86 Outlines & Dimensions Model: MCC020CW (Right Piping) Note: Dimension in mm...
  • Page 87 Outlines & Dimensions Model: MCC025CW (Left Piping) Note: Dimension in mm...
  • Page 88 Outlines & Dimensions Model: MCC025CW (Right Piping) Note: Dimension in mm...
  • Page 89 Outlines & Dimensions Model: MCC028CW (Left Piping) Note: Dimension in mm...
  • Page 90 Outlines & Dimensions Model: MCC028CW (Right Piping) Note: Dimension in mm...
  • Page 91 Outlines & Dimensions Model: MCC030CW (Left Piping) Note: Dimension in mm...
  • Page 92 Outlines & Dimensions Model: MCC030CW (Right Piping) Note: Dimension in mm...
  • Page 93 Outlines & Dimensions Model: MCC038CW (Left Piping) Note: Dimension in mm...
  • Page 94 Outlines & Dimensions Model: MCC038CW (Right Piping) Note: Dimension in mm...
  • Page 95 Outlines & Dimensions Model: MCC040CW (Left Piping) Note: Dimension in mm...
  • Page 96 Outlines & Dimensions Model: MCC040CW (Right Piping) Note: Dimension in mm...
  • Page 97 Outlines & Dimensions Model: MCC050CW (Left Piping) Note: Dimension in mm...
  • Page 98 Outlines & Dimensions Model: MCC050CW (Right Piping) Note: Dimension in mm...
  • Page 99 Outlines & Dimensions Model: MCC060CW (Left Piping) Note: Dimension in mm...
  • Page 100 Outlines & Dimensions Model: MCC060CW (Right Piping) Note: Dimension in mm...
  • Page 101 Outlines & Dimensions Model: MDB75/100BW MODEL MDB75BW 72.0 MDB100BW 94.0 Note: Dimension in mm...
  • Page 102 Outlines & Dimensions Model: MDB125/150BW (Horizontal Air Discharge) MODEL 132.0 MDB125BW 155.0 MDB150BW Note: Dimension in mm...
  • Page 103 Outlines & Dimensions Model: MDB125/150BW (Vertical Air Discharge) MODEL 132.0 MDB125BW 155.0 MDB150BW Note: Dimension in mm...

  • Page 104: Wiring Diagrams

    Wiring Diagrams Wiring Diagrams Model: MWM07/10/15/20/25LW...
  • Page 105 Wiring Diagrams Model: MWM301W...
  • Page 106 Wiring Diagrams Model: MCK20/25/30/40/50AW...
  • Page 107 Wiring Diagrams Model: MCK20/25/30/40/50AWH...
  • Page 108 Wiring Diagrams Model: MCK010/015/020CW...
  • Page 109 Wiring Diagrams Model: MCK020/025/030/040/050EW...
  • Page 110 Wiring Diagrams Model: MCM20/25/30/40/50DW...
  • Page 111 Wiring Diagrams Model: MCM15/20/25EW...
  • Page 112 Wiring Diagrams Model: MCC010/015/020/025CW (With Controller)
  • Page 113 Wiring Diagrams Model: MCC028/030/038/040/050/060CW (With Controller)
  • Page 114 Wiring Diagrams Model: MCC010/015/020/025CW (Without Controller)
  • Page 115 Wiring Diagrams Model: MCC028/030/038/040/050/060CW (Without Controller)
  • Page 116 Wiring Diagrams Model: MDB75BW...
  • Page 117 Wiring Diagrams Model: MDB100BW...
  • Page 118 Wiring Diagrams Model: MDB125/150BW...

  • Page 119: Service & Maintenance

    Service & Maintenance Service & Maintenance Moving machinery and electrical power hazards. May cause severe personal injury or death. Disconnect from main power supply before servicing equipment. The unit is designed to give long life operation with minimum maintenance required. However, it should be regularly checked and the following items should be given due attention.

  • Page 120: Troubleshooting

    Troubleshooting Troubleshooting Model Board MWM07/10/15/20/25LW 50WJWXX MWM301W MCK020/025/030/040/050EW MCK010/015/020CW MCC10/15/20/25/28/30/38/40/50/60CW MCM20/25/30/40/50DW MCM15/20/25EW MDB75/100/125/150BW Self Diagnostic Table - 50WJWXX Board Normal Operation/Fault Indication Action Error Code COOL/HEAT (GREEN/RED) Cool mode Green Heat mode Timer on Sleep mode on Fan mode on Dry mode on Room air sensor contact Call your dealer...
  • Page 121 Troubleshooting Self Diagnostic Table – W2 Board Error Fault Indication COOL LED Action Code Check room sensor Room sensor error (short/open) Blink 1 time connection/change room air sensor Check pipe water sensor Pipe water sensor error (short/open) Blink 2 times connection/change pipe water sensor Clear the clogging at drain...
  • Page 122 While upmost care is taken in ensuring that all details in the publication are correct at time of going to press, we are constantly striving for improvement and therefore reserve the rights to alter model specifications and equipment without prior notice. Details of specifications andequipment are also subject to change to suit local conditions and equirements and not all models are available in every market.

This manual is also suitable for:

Mcm-dwMcm-ewMcc-cwMdb-bwMck-ewMck-cw

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