52 McQuay IM 937
Check, Test, and Start Procedure Form
Start-up
1
2
3
4
5
6
7
8
9
Does the unit start and perform per sequence of operation as stated in the IM bulletin? . . . . . . . . . . . . . . Yes No
Does the fan rotate in the right direction? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Yes .No
Condenser inlet water temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _________°F
Condenser outlet water temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _________°F
Number of compressors operating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . __________
Return air temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _________°F
Mixed air temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _________°F
Supply air temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _________°F
Compressor readings:
Reading
Compressor
#1
Compressor
#2
Compressor
#3
Compressor
#4
Compressor
#5
Compressor
#6
Suction pressure, psig
Discharge pressure, psig
Superheat setting @ TXV bulb, °F
Compressor RLA (nameplate)
Current, line L1, amps
Current, line L2, amps
Current, line L3, amps
10
Electrical heat readings (when installed):. . . . . . . . . . . . . . . . . FLA:_________ amps (nameplate)
Reading
68 kW heat, 230 volt or 208 volt only
@ Contactor M11 @ Contactor M12 @ Contactor M15 @ Contactor M16
Current, line L1, amps
Current, line L2, amps
Current, line L3, amps
11
12
13
14
Fan motor current per phase ________amps __________amps __________ amps
FLA: ___________ amps
Variable frequency drive: ________ % speed/__________ Hertz
Fan speed ___________rpm at above frequency
Unit voltage across each phase _________ volts _________ volts _________ volts
Unit current per phase __________ amps_________ amps _________ amps
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