Application Information; Operating Range - McQuay MWM-G2W Technical Manual

MFCU_(ii)

Application Information

Operating Range

Operating Limits:
Thermal carrier : Water
Water temperature : 5 ~ 50°C
Maximum water pressure : 16 bar
Air temperature : (as below)
Cooling Mode
Temperature
Minimum indoor
temperature
Maximum indoor
temperature
Minimum outdoor
temperature
Maximum outdoor
temperature
Installation Guide
System Configuration
The standard controller board (W2) comes with a VALVE jumper and a HEAT jumper. The system can be
configured as the jumper selection listed below:
Heatpump Mode & Valve Application
Heatpump Mode & Valveless Application
Cooling Mode & Valve Application
Cooling Mode & Valveless Application
√ Jumper Remained
Disconnect the power supply to the unit before attempting to connect the wiring
VALVE & HEAT Jumper Location
Model: MWM - G2W / 301W
1. VALVE jumper is plugged into JVLV connector on the emergency switch board.
2. HEAT jumper is plugged into JMODE connector on the emergency switch board.
Model: MCK-AW/AWH/CW, MCM-DW/CBW/EW and MCC-CW
1. VALVE jumper is plugged into JVLV connector on the main board.
2. HEAT jumper is plugged into OD connector on the main board.
Ts °C/°F Th °C/°F
16.0 / 60.8 11.0 / 51.8
32.0 / 89.6 23.0 / 73.4
16.0 / 60.8 -
46.0 / 114.8 -
X Jumper Removed
Heating Mode
Temperature
Minimum indoor
temperature
Maximum indoor
temperature
Minimum outdoor
temperature
Maximum outdoor
temperature
Ts: Dry bulb temperature.
HEAT Jumper
√
√
X
X
Caution
Application Information
Ts °C/°F Th °C/°F
16.0 / 60.8 -
30.0 / 86.0 -
-5.0 / 23.0 -6.0 / 21.2
24.0 / 75.2 18.0 / 64.4
Th: Wet bulb temperature.
VALVE Jumper
√
X
√
X
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