Chilled Water Fan Coil Unit - W1V3 - McQuay MWM Service Manual

MCQUAY Service Guide Book
5.4 Chilled Water Fan Coil Unit (W1V3)
The standard W1V3 board comes with a VALVE
jumper. The system can be configured as the
jumper selection listed below:
Mode Application
Valve
Heatpump
Valve less
Valve
Cooling Only
Valve less
√ : Jumper Remained X : Jumper Removed
VALVE & HEAT Jumper Location
Model: WM 05-25FW
1. VALVE jumper is plugged into JVLV
connector on the emergency switchboard.
2. HEAT jumper is plugged into JMODE
connector on the emergency switchboard.
Switch Board W1V3
VALVE HEAT
jumper jumper
√ √
X √
√ X
X X
VALVE Jumper.
Model: MCK 20-50AW, MCK 15-25BW, MCK 10-
20CW, MCM 20-50DW and MCC 10-60CW
1. VALVE jumper is plugged into JVLV
connector on the main board.
2. HEAT jumper is plugged into the OD
connector on the main board.
HEAT Jumper
30
Controller Configuration
VALVE Jumper
Main Board W1V3