McQuay MWM User manual

Service

Guide

Book

Table of Contents

Model Name

Product Name Description 2

Nomenclature 3

Conversion Table

Conversion Table 6

Product Mainboard vs. Handset Matrix

Product Mainboard vs. Handset Matrix 7

Controller Development History

Controller Development History 9

Handset Operating Guide

G6 11

G7 13

G11 15

G17 17

SLM3 19

Sequential LCD 21

Netware 3 23

Controller Configuration

Auto Random Restart 25

Hot Keep Selection 26

Auxiliary Heater Conversion 27

Multi Split Conversion 28

Sequential Controller 29

Chilled Water Fan Coil Unit – W1V3 34

Chilled Water Fan Coil Unit – W2.0 35

Service Diagnosis

Self Diagnosis Table 36

General Check 56

General Troubleshooting Guide 57

Appendix

Resistance – Temperature Characteristic Appendix-1

Product Name Description

No. Description Generic Model Name McQuay Brand

1 Wall Mounted Fan Coil Unit WM / 5WM MWM / M5WM

2 Wall Mounted AC Inverter Fan Coil Unit WMV MWMV

3 Wall Mounted DC Inverter Fan Coil Unit 5WMX M5WMX

4 Ceiling Exposed Fan Coil Unit CE / 5CE MCM / M5CM

5 Ceiling Cassette Fan Coil Unit CK / 5CK MCK / M5CK

6 Ceiling Concealed Fan Coil Unit CC / 5CC MCC / M5CC

7 Ducted Split Blower Unit SB MDB

8 Chilled Water Fan Coil Unit CW MCW

9 Water Source Heatpump Split Unit WSS / 5WSS MWSS / M5WSS

10 Horizontal Water Source Heatpump Unit WH MWH

11 Air Cooled Mini Chiller AC / 4AC / 5AC MAC / M4MAC / M5MAC

12 Single Split Condensing Unit SL / 4SL / 5SL MLC / M4LC / M5LC

13 Single Split AC Inverter Condensing Unit SLV MLCV

14 Single Split DC Inverter Condensing Unit 5SLX M5LCX

15 Modular Split Condensing Unit MSS / 4MSS MMC / M4MC

16 Multi Split Series MSD / 4MSD MMSD / M4MSD

MST / 4MST MMST / M4MST

MSH MMSH

17 Multi Split AC Inverter Condensing Unit MSV MMSV

18 Multi Split DC Inverter Condensing Unit 5MSX M5MSX

19 Horizontal Condensing Unit HDC / 5HDC MHDC / M5HDC

20 Vertical Condensing Unit VCU MVCU

21 Air Cooled Roof Top Packaged Air

Conditioner

RT / 4RT MRT / M4RT

22 Air Cooled Inverter Mini Chiller 5ACV M5ACV

Model Name

Nomenclature

Indoor Unit

010

Electrical

A : 220-240V/1Ph/50Hz

F : 380-415V/3Ph/50Hz

Market Region

C : Export with CE mark

Air Treatment Devices & Control

I : Negative Ion

L : Bare Unit

Grille Type

A : Grille A

Others

A : First Issue

Model Name

WM : Wall Mounted

CK : Ceiling Cassette

Capacity

010 : 10,000 Btu/h

Model Type

R : Heat Pump

Omitted if Cooling Only

Series

G : G Series

Brand

M : McQuay

Refrigerant

5 : R410A

Omitted if R22

010

Electrical

A : 220-240V/1Ph/50Hz

F : 380-415V/3Ph/50Hz

Product Specifications Variation

AA : Revision

Connection Type

F : Flare

X : Not Applicable

Model Name

WM : Wall Mounted

CK : Ceiling Cassette

Series

G : G Series

Piping

H : 4 Pipes System

Omitted if 2 pipes system

Capacity

010 : 10,000 Btu/h

Brand

M : McQuay

Model Type

R : Heat Pump

W : Chilled Water Fan Coil

Omitted if DX Cooling Only

Refrigerant

5 : R410A

Omitted if R22

Indoor Unit

010

Electrical

A : 220-240V/1Ph/50Hz

F : 380-415V/3Ph/50Hz

Market Region

C : Export with CE mark

Compressor

P : Panasonic

M : Mitsubishi

Specifications Variation

O : Standard Unit

I : Gold Fins

G : Low Ambient Unit

H : High Ambient Unit

Others

A : First Issue

Model Name

LC : Single Split Condensing Unit

MC : Modular Split Condensing Unit

Capacity

010 : 10,000 Btu/h

Model Type

R : Heat Pump

Omitted if Cooling Only

Series

C : C Series

Brand

M : McQuay

Refrigerant

5 : R410A

Omitted if R22

Conversion Table

Capacity

Btu/hr MBH kCal/Hr kW

1 0.001 0.252 0.293 x 10-3

1000 1 252 0.293

3.968 0.004 1 1.162 x 10-3

3412 3.412 860.04 1

Pressure

W.G. Pascal

PSI kg/cm2

(in.) (ft.) (Pa)

1 0.07 27.7 2.309 0.69 x 104

14.22 1 394.08 32.84 9.81 x 104

3.61 x 10-2 2.538 x 10-3 1 0.083 248.84

1.45 x 10-4 0.1 x 10-4 0.004 3.349 x 10-4 1

Flow Rate

L/s m3/hr m3/s U.S. GPM CFM

1 3.6 0.001 15.85 2.119

0.278 1 0.278 x 10-3 4.403 0.588

1000 3600 1 15850 2119

0.063 0.227 0.063 x 10-3 1 0.1337

0.472 1.7 0.472 x 10-3 7.481 1

Temperature Velocity

fps m/s fpm

1 0.305 60

3.281 1 196.9

0.017 0.005 1

Volume

L m3U.S. G.P.M. ft3

1 0.001 0.264 0.0353

1000 1 264 35.3

3.785 3.785 x 10-3 1 0.134

28.315 0.028 7.48 1

Area

in2ft2m2cm2

1 6.94 x 10-3 6.452 x 10-4 6.452

144 1 0.093 929.03

1550.06 10.764 1 1 x 104

0.155 1.076 x 10-3 1 x 10-4 1

°F = (18 x °C) + 32

8.1

o F

Product Mainboard vs.

Handset Matrix

Handset

Type No.

Main Board (IC)

Model

L2.0 L208A U1SB125 SQ2.0 VA2.0 Standard Optional

1 WM - F Series X G7 SLM3 + AC5300 / Netware 3

2 WM - G Series X G11 SLM3 + AC5300 / Netware 3

3 WMS - G Series X G11 SLM3 + AC5300 / Netware 3

4 CK - A/B/C Series X G7 SLM3 + AC5300 / Netware 3

5 CE - D Series X G7 SLM3 + AC5300 / Netware 3

6 CE - E Series X G11 SLM3 + AC5300 / Netware 3

7 CC - C Series X SLM3 Netware 3

8 CC - D Series X Netware 3 SLM3

SB - B/C Series

SB 75 – 100B/BR X SLM3 Netware 3

SB 125 – 150B/BR X SLM3 -

SB 125CR X SLM3 -

SB 150B2/BR2 – 600B4/BR4 X SQ-LCD -

SB – D/ER Series

SB 75 – 100D/ER X SLM3 Netware 3

SB 125 – 150D/ER X SLM3 -

SB 125D2 – 500D4 X SQ-LCD -

SB 125ER2 – 600ER4 X SQ-LCD -

RT Series

RT 55 – 120A/AR X SLM3 -

RT 150 – 420A/AR X SQ-LCD -

WMX – G Series X SLM3 + AC5300

CKX – A/C Series X SLM3 + AC5300

CEX – E Series X SLM3 + AC5300

CCX – C Series X SLM3 Netware 3

G11

Handset

Type No.

Main Board (IC)

Model

W2 MCH1 MC1.0 LWS2.0 APM01CB APM02D Standard Optional

13 WM – GW Series X SLM3 + AC5300 /

Netware 3

14 CK – AW/AWH/CW

Series XSLM3 + AC5300 /

Netware 3

15 CE – DW Series X SLM3 + AC5300 /

Netware 3

16 CE – EW Series X SLM3 + AC5300 /

Netware 3

17 CC – CW Series X SLM3 Netware 3

FCU

18 SB – BW Series N/A -

AC – C Series

AC 20 – 60C/CR X C. Panel -

AC 80 – 150C/CR X C. Panel -

5AC 20 – 25C/CR X C. Panel -

Mini

Chiller

5AC 30 – 55C/CR X C. Panel -

20 5WMWS – GR X SLM3 + AC5300 /

Netware 3

21 5CKWS – AR/CR X SLM3 + AC5300 /

Netware 3

22 5CCWS – CR X SLM3 Netware 3

WH – B Series

WH 11 – 20B/BR X SLM15A -

WSHP

WH 25 – 70B/BR X APW04A -

G11

Controller Development History

Handset Model

Year Main Board Wireless Wired Cooling Heating Remarks

WM 10/15D WM 10/15DR Copper sensor

1996 Challenger 2.1 & 2.2 G3 - WM 20/25C WM 20/25CR

1996 Challenger 2.2 G3 - WM 07/10E - Copper sensor

1997 Challenger 2.4 G3 & G6 - WM 10/15D

WM 20/25C

WM10/15DR

WM 20/25CR

1998 Challenger 2.4 G3 & G6 - - WM 07/10ER

WM 10/15FR

1998 Challenger 5 G3

WM 07/10E

WM 10/15F -

1999

Challenger C3A

Challenger C3B

G3 & G6 SLM2 (10 core wire)

CK-A

CE-C/D

CC-B/MSB/HSB

CK-AR

CE-CR/DR

CC-R/MSB-R/HSB-R

2000 Mini Chiller MCH01 - - AC (40-125)B AC (40-125)BR Cooling & Heatpump

2001 Chilled Water W1V2 G6 Netware 1 WM-FW / CE-DW / CC-CW / CK-AW / HSB-

BW Convertible PCB

2001 Sequential Controller - Sequential Controller SB (150-500)B SB (150-500)BR Multiple compressor

Universal Board

D1.0 G6 - WM (10-25)F - Cooling only

U1.3 G6 - - WM (10-25)FR Heatpump only

2001

U1.4 G6 SLM3 (4 core wire) CE-D / CK-A / CC-C CE-DR / CK-AR /

CC-CR Cooling & Heatpump

2001 D2.0 - WM (10-25)F - Cooling only

2001 Mini Chiller SZMC01 - - AC/4AC (40-58)A,

AC/4AC75-125B

AC/4AC (40-58)AR,

AC/4AC75-125BR Cooling & Heatpump

Inverter

VA1.9 (Indoor) - - WMV10FR In set form only

2001

VB1.0 (Outdoor) SLV10BR

2002 Sequencer Controller - SQ-LCD SB (150-500)D SB (150-500)DR Multiple compressor

D2.0 - WM30F - Cooling only

2002 U1.4 SLM3 /

Netware 2 (optional) CK (15/20/25/30)B

WM (10-25)FR,

WM30FR

CK (15/20/25/30)BR

Heatpump only

Cooling & heatpump

G6 / G7

G7 Turbo

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