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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
VALVE jumper
HEAT jumper
Heatpump Mode & Valve Application
Heatpump Mode & Valveless Application
X
Cooling Mode & Valve Application
X
Cooling Mode & Valveless Application
X
X
M1
M2
M3
M4
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:
The standard W2.0 board comes with a VALVE jumper. The system can be configured as the
jumper selection listed below:
√ : 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.
Содержание M4LC
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