McQuay M5MAC Guia de Resolução de Problemas Página 44
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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 selected, the
permissible operating modes are as follows:
Jumper Configuration Model Operating Modes
M1 2 Pipes without Aux. Heater 1 Heat>Cool>Dry>Fan
M2 2 Pipes with Aux. Heater 2 Heat>Cool>Dry>Fan
M3 4 Pipes + Boiler 3 Heat>Cool>Dry>Auto>Fan
M4 4 Pipes + Boiler 4 Heat>Cool>Dry>Fan
The standard W2 board comes with a VALVE jumper. The system can be configured as the jumper
selection listed below:
VALVE jumper HEAT jumper
Heatpump Mode & Valve Application
√
√
Heatpump Mode & Valveless Application X
√
Cooling Mode & Valve Application
√
X
Cooling Mode & Valveless Application X X
√
: Jumper Remained X : Jumper Removed
VALVE & HEAT Jumper Location
1. VALVE jumper is plugged into JVLV connector on the emergency switchboard.
2. HEAT jumper is plugged into JMODE connector on the emergency switchboard.
M1
M2
M3
M4
- GUIDE BOOK 1
- 1.0 Model Name 3
- 1.2 Nomenclature 4
- Indoor Unit 4
- Outdoor Unit 5
- 2.0 Conversion Table 6
- McQuay Service Guide Book 10
- 5.0 Handset Operating Guide 11
- 5.6 SLM3 25
- Operation Guide 25
- 6.0 Controller Configuration 31
- 6.2 Hot Keep Selection 32
- 6.5 Sequential Controller 38
- U1.4 PCB 46
- L2EF PCB 46
- 7.0 Service Diagnosis 47
- Continuously 49
- Once every 2 sec 49
- 3 times every 2 sec 49
- Twice every 2 sec 49
- Once every 3 sec 53
- 3 times every 3 sec 53
- Twice every 3 sec 53
- 4 times every 3 sec 53
- Seven Segment Display 64
- Inverter - X Outdoor Unit 65
- Chilled Water Fan Coil Unit 66
- Inverter-Y Model 70
- Indoor Series 70
- Error Codes 72
- 2P206569-4 76
- 7.2 General Check 81
- Appendix 89
- ©2010 McQuay International 90
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