SERVICEGUIDE BOOK

McQuay Service Guide Book 9 Handset Model Year Main Board Wireless Wired Cooling Heating Remarks 2002 Chilled Water W1V3 G6 SLM3 / Netw

McQuay Service Guide Book 10 5.0 Handset Operating Guide 5.1 G6 Outlook Operation Guide 1. “ON/OFF” Switch • Press to start the air condi

McQuay Service Guide Book 11 5. Timer Setting  Press set button to activate the timer setting (from 1 hour to 15 hour) of the air conditioning

McQuay Service Guide Book 12 5.2 G7 Outlook Operation Guide 1. Transmission Source • The source where the signal will be transmitted.

McQuay Service Guide Book 13 5. Operation Mode • Press the MODE button to select the type of operating mode. • For cooling only unit, the avai

McQuay Service Guide Book 14 5.3 G11 Outlook Operation Guide 1. “ON/OFF” Button • Press once to start the air conditioner unit. • Press

McQuay Service Guide Book 15 4. Fan speed selection • Press the button continuously will toggle the fan speed in the following order: Low ( ) –

McQuay Service Guide Book 16 5.3 G17 Outlook Operation Guide 1. Transmission Source • The source where the signal will be transmitted. 2. S

McQuay Service Guide Book 17 5. Automatic Air Swing (optional) • Press the SWING button to activate the automatic air swing function. • To d

McQuay Service Guide Book 18 5.4 GS01 Operation Guide 1. Transmission Source • The source where the signal wi

McQuay Service Guide Book 1 Table of Contents 1.0 Model Name 1.1 Product Name Description ...

McQuay Service Guide Book 19 5. Operation mode • Press the MODE button to select the type of operating mode. • For cooling only unit, the avai

McQuay Service Guide Book 20 12. Sleep mode setting • Press the button will activate the sleep mode function. • This is an energy saving opti

McQuay Service Guide Book 21 5.5 APJ1 Outlook Operation Guide 1. Transmission Source • The source where the signal

McQuay Service Guide Book 22 4. POWERFUL Button • POWERFUL operation quickly maximizes the cooling (heating) effect in any operation mode. •

McQuay Service Guide Book 23 11. ON TIMER Operation • To use ON TIMER operation, press button. • is displayed on the LCD. Each pressing of

McQuay Service Guide Book 24 5.6 SLM3 Outlook Operation Guide 1. “ON/OFF” Switch • Press to start the air conditioner unit. • Press ag

McQuay Service Guide Book 25 6. “SLEEP” Mode • Press button to activate the sleep function. This function can only be activated under “cool” o

McQuay Service Guide Book 26 5.7 Sequential Controller Outlook Operating Guide 1. “ON/OFF” Switch •

McQuay Service Guide Book 27 5. Temperature Setting • To set the desired room temperature, press or to increase or d

McQuay Service Guide Book 28 5.8 Netware 3 Outlook Operating Guide 1. “ON/OFF” Switch • Press once to s

McQuay Service Guide Book 2 1.0 Model Name 1.1 Product Name Description No. Description Generic Model Name N Brand 1 Wall

McQuay Service Guide Book 29 2. Selecting Operating Mode • Press the MODE key to select the type of operating mode. Consecutive pre

McQuay Service Guide Book 30 6.0 Controller Configuration 6.1 Auto Random Restart • Shorted at JH/JP1/J_LST jumper at main board for auto rest

McQuay Service Guide Book 31 6.2 Hot Keep Selection Three selections available: a. Fan stop if indoor coil temperature < 30°C (OFF). b. Fan

McQuay Service Guide Book 32 L2 Models Two selections are available: a. Fan ON: - If the indoor coil temperature > 40°C, the indoor fan w

McQuay Service Guide Book 33 6.3 Auxiliary Heater Conversion U1.5 Heatpump with Auxiliary Heater To convert the standard U1.5 heatpump PCB to

McQuay Service Guide Book 34 To convert SB125 heatpump PCB to auxiliary heater application, you need only one heater relay as shown below: 1.

McQuay Service Guide Book 35 W2 Heatpump with Auxiliary heater To convert SB125 heatpump PCB to auxiliary heater application, you need the follo

McQuay Service Guide Book 36 6.4 Multi Split Conversion Cooling Only Model (L2.0 / L208A) The cooling only model WM-G, CK-A/B/C/E, CE-E, C

McQuay Service Guide Book 37 6.5 Sequential Controller It is allowed to configure the controller to suit individual’s need with details below:

McQuay Service Guide Book 38 5. Last Memory Functions The power up settings for either with or without the last memory backup is based on the J_

McQuay Service Guide Book 3 1.2 Nomenclature Indoor Unit - Electrical A : 220-240V/1Ph/50Hz F : 380-4

McQuay Service Guide Book 39 7. Sequential Control for Cool Mode ask Tan CS The starting sequence for indoor fan, outdoor fan and compressors is

McQuay Service Guide Book 40 9. Conversion from Old Sequential Board to New Sequential Board (For wiring up to 1000 meters) 9.1 Sequential Mai

McQuay Service Guide Book 41 9.3 Sequential Main Board SQMB01 (New Version) 9.4 Sequential LCD Panel SQ-LCD (New Version)

McQuay Service Guide Book 42 6.6 Chilled Water Fan Coil Unit (W1V3) The standard W1V3 board comes with a VALVE jumper. The system can be configu

McQuay Service Guide Book 43 6.7 Chilled Water Fan Coil Unit (W2.0) The system model can be configured via the following jumpers. For each model

McQuay Service Guide Book 44 6.8 U1.5  L208A Conversion All single split indoor units with U1.5 PCB cannot be directly by the new L208A PCB

McQuay Service Guide Book 45 6.9 WMF U1.4 to L2EF Conversion 1. The U1.4 PCB can be replaced directly by the new L2EF PCB because no modificatio

McQuay Service Guide Book 46 7.0 Service Diagnosis 7.1 Self Diagnosis Table Wall Mounted F Series Cooling Only Model Model Board Handset WM

McQuay Service Guide Book 47 Wall Mounted F Series Heat Pump Model Model Board Handset WM 010/015/020/025FR, 301R U1.5 G7 LED Indicator Ligh

McQuay Service Guide Book 48 Wall Mounted F Series Cooling Only Model Model Board Handset WM 007/010/015/020/025F L2EF G7 LED Indicator Lig

McQuay Service Guide Book 4 Outdoor Unit Electrical A : 220-240V/1Ph/50Hz F : 380-415V/3Ph/50Hz Mar

McQuay Service Guide Book 49 Wall Mounted F Series Heatpump Model Model Board Handset WM 007/010/015/020/025FR, 311/301R L2EF G7 LED Indica

McQuay Service Guide Book 50 Wall Mounted G Series Model Model Board Handset WM 010/015/20/025G/GR L2.2 G17 / SLM3 / Netware 3 LED Indicato

McQuay Service Guide Book 51 Wall Mounted J Series Model Led Indicators Light Display Sleep Cool/ Heat Timer LED Indoor

McQuay Service Guide Book 52 Ceiling Cassette A / B / C Series Model Model Board Handset CK 020/025/030/040/050A/AR U1.5 G7 / SLM3 / Netware

McQuay Service Guide Book 53 Ceiling Cassette A / B / C/ E Series Model Model Board Handset CK 020/025/030/040/050A/AR L208A G17 / SLM3 / Ne

McQuay Service Guide Book 54 Ceiling Exposed D Series Model Model Board Handset CE 020/025/030/040/050D/DR U1.5 G8 / SLM3 / Netware 3 LED I

McQuay Service Guide Book 55 Ceiling Exposed D / E Series Model Model Board Handset CE 020/025/0300/400/50D/DR L208A G18 / SLM3 / Netware 3

McQuay Service Guide Book 56 Seven Segment Display – SLM3 / Netware 3 Model Board Handset WM 010/015/020/025FR, 301R U1.5 SLM3 / Netware 3 CK

McQuay Service Guide Book 57 Ducted Blower B/C/D/ER Series Model – Single Compressor Rooftop Packaged Air Conditioner – Single Compressor Model

McQuay Service Guide Book 58 Ducted Blower B/D/ER Series Model – Multi Compressors Rooftop Packaged Air Conditioner – Multi Compressors Model B

McQuay Service Guide Book 5 2.0 Conversion Table 2.1 Conversion Table Capacity Btu/hr MBH kCal/Hr kW 1 0.001 0.252 0.293

McQuay Service Guide Book 59 Wall Mounted F Series Inverter-X Model Model Board Handset WMX 010/015FR VA2.0 G17 LED Indicator Light Displa

McQuay Service Guide Book 60 Wall Mounted G Series Inverter-X Model Model Board Handset WMX 010/015/020/025G/GR VA2.0 G17 LED Indicator

McQuay Service Guide Book 61 Ceiling Cassette A/C Series Inverter-X Model Model Board Handset CKX 020/025A/AR VA3.0 G17 CKX 010/015/020C/C

McQuay Service Guide Book 62 Ceiling Convertible E Series Inverter-X Model Model Board Handset CEX 015/020/025E/ER VA3.0 G17 LED Indicato

McQuay Service Guide Book 63 Seven Segment Display Model Board Handset WMX 010 – 025G/GR VA3.0 SLM3 CKX 020 – 025A/AR VA3.0 SLM3 CKX 010

McQuay Service Guide Book 64 Inverter - X Outdoor Unit Model Board SLX 010/105/020/025C/CR VB2.0 MSV 025/035A VB2.0 MSX 020/025/030A/AR VB2

McQuay Service Guide Book 65 Chilled Water Fan Coil Unit Model Board Handset WM 005 – 025FW, 301W W1V3 G7 / SLM3 / Netware 3 CK 020 – 050AW/

McQuay Service Guide Book 66 Wall Mounted G Series Model – Water Source Split Unit Model Board Handset 5WMWS 010/015/020/025GR LWS2.0 G17 /

McQuay Service Guide Book 67 Ceiling Cassette A / B / C Series Model – Water Source Split Unit Model Board Handset 5CKWS 020/025/030/040/050A

McQuay Service Guide Book 68 Seven Segment Display – SLM3 / Netware 3 (Water Source Split Unit) Model Board Handset 5WMWS 010/015/020/025GR L

McQuay Service Guide Book 6 3.0 Product Mainboard vs. Handset Matrix Handset Type No. Main Board (IC) Model L2.0 L2GSN L208A W_2_03A U1SB125 SQ2.0

McQuay Service Guide Book 69 Inverter-Y Model Indoor Series Model Board Handset 5WMY 010/015/020/025 JR G17 5CKY 010/015/020CR G17 5CKY

McQuay Service Guide Book 70 Inverter-Y Model Indoor Series Error Code Diagnosis by Wireless Handset G17 Diagnosis Step 1. Hold down TIMER

McQuay Service Guide Book 71 Error Codes Error Codes Error Description Error Codes Error Description 0 Normal F6 Heat exchanger overh

McQuay Service Guide Book 72 Single Split Inverter – Y Model Outdoor Unit Model Board Handset 5LCY 010/015/020/025 DR W_2_03A G17 5LCY 030

McQuay Service Guide Book 73 Parameter Number Parameter Description Unit/ Range 31 De-ice setting 0-Normal, Other-Active 32 Dew drop setting

McQuay Service Guide Book 74 Multi Split Inverter – Y Outdoor Unit Model Board Handset 5MSY 025/030 BR G17 Error code diagnosis by Outdoor

McQuay Service Guide Book 75 Wall Mounted K-Series Inverter-Y model Model Board Handset 5WMY 010/015 KR 2P206569-4 APJ1 Indoor LED Indicati

McQuay Service Guide Book 76 CATEGORY CODE DESCRIPTION EA COOLING-HEATING SWITCHING ERROR E1 CIRCUIT BOARD FAULT E5 OL STARTED E6 FAULTY CO

McQuay Service Guide Book 77 Multi Digital Scroll Indoor Units Model Board Handset WMD 009/010/015/020/025 G MC201-C G17 CKD 020/025/030/0

McQuay Service Guide Book 78 Error Diagnosis by Wired Controller (MC301) ITEM CODE DESCRIPTION 1 E0 System malfunction 2 E1 Sensor Broken

McQuay Service Guide Book 7 Handset Type No. Main Board (IC) Model W2 MC1.0 LWS2 APM01CB APM02D Standard Optional 13 WM – GW Series 

McQuay Service Guide Book 79 Multi Digital Scroll Outdoor Units Model Board Handset MDS 030/040/050/060/070 A/AR - G17/ MC301 MDS 080/100/

McQuay Service Guide Book 80 7.2 General Check When any air conditioner malfunction is noted, immediately switch off the power supply to the un

McQuay Service Guide Book 81 7.3 General Troubleshooting Guide By means of pressure readings. Pressure Probable Cause Too Low A Little Low No

McQuay Service Guide Book 82 Fuse for operation circuit Evaporator fan contactor Evaporator fan contactor Evaporator fan contactor Over current r

McQuay Service Guide Book 83 1 2 Condenser fan contactor Coil burnt Contact faulty Fan motor faulty Other electrical component faulty Compressor

McQuay Service Guide Book 84 ii) Diagnosis of Refrigerant Circuit/ Application There might be some causes where the unit starts to run but does

McQuay Service Guide Book 85 Insufficient Heating Air Calculation Indoor/ outdoor dirty (clogged) Indoor air filter dirty Obstruction at air inle

McQuay Service Guide Book 86 Mini Chiller: Troubleshooting Guide When any malfunction is occurred, immediately switch off the power supply to

McQuay Service Guide Book 87 Rooftop: Troubleshooting Guide Before you ask for repair service, check the following points Symptoms Switch Box (

McQuay Service Guide Book 88 Appendix Resistance – Temperature Characteristics Type DTN-C1 03F3H-OYL 1128, 1148, 1158 Material Name 3H

McQuay Service Guide Book 8 4.0 Controller Development History Handset Model Year Main Board Wireless Wired Cooling Heating Remarks WM 10/15D

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