McQuay IM 660-3 7
Commissioning
Procedure for WSHP
1
Apply power to the unit. Turn the main power switch to ON.
2 Check the status LED and operating mode changeover
devices. The status LED should illuminate 30 to 40 seconds
after powerup. If a wall sensor package is used, the remote
status LED should also illuminate.
3 Verify that the water source heat pump is operating
according to its sequence of operation as outlined in the
“Description of Operation” section on page 8.
Table 5: Network WSHP default set points and adjustability
Description Factory-programmed set point Adjustability range
Occupied heating set point 70°F (21°C) 35°F to 120°F (1.7°C to 49°C)
Occupied cooling set point 74°F (23°C) 35°F to 120°F (1.7°C to 49°C)
Fan—occupied On On, cycle, heat, cycle/cool on
Unoccupied heating set point 60°F (16°C) 35°F to 120°F (1.7°C to 49°C)
Unoccupied cooling set point 85°F (29°C) 35°F to 120°F (1.7°C to 49°C)
Fan—unoccupied Cycle On, cycle
Tenant override—1st press 1:00 Off, 0:30 to 8:00
Tenant override—2nd press Off Off, 0:30 to 8:00
Differential 2°F (1.2°C) 1°F to 10°F (0.6°C to 5.6°C)
Auto/Manual Auto Manual (occupied, unoccupied, fan only, off)
Next filter change (hours) 600 100 to 5000
Clock schedule 1 Up to 32
Load shed start level Off Off, 1 to 7
Tenant set point adjustment Off (0°F, 0°C) Off, on (3°F to 1.7°C)
Low temperature warning 55°F (13°C) 35°F (1.7°C)—high not used
High temperature warning 95°F (35°C) 120°F (49°C)—low not used
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