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Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual
SCM036/060 Heat Pump Start Up Instructions
Job Name:_________________________________________________
Job Address:_______________________________________________
Contact Phone:_____________________________________________
Model #:_____________________ Serial
#:_______________________ Start Up Performed
By:_____________________Date:_____________
After powering up the unit, the following steps must be followed:
START UP IN COOLING MODE
____ Display start sequence will read uC2, then 2.0, then the current water temperature
If only temperature is displayed, lower the thermostat setpoint below the current
room temperature
____ Pump symbol will begin to flash as a call for cooling is made
____ After 1-2 minutes pump symbol will remain constant
____
Once water is outside the cooling temperature range (above 42°F) the refrigeration
system initiates and the 1, 3, or both numerals will begin flashing
____ After 1-2 minutes the 1, 3, or both numerals will remain constant, the compressor
symbol will come on and one or both compressors will start
____ Observe for any alarms, errors, or faulty operation (noise, vibration etc)
____ When operating sufficiently, raise thermostat set-point or turn it off
____ Pump will run for approximately 2 minutes after compressor shutdown
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