START-UP CHECKLIST

(REMOVE AND STORE IN JOB FILE)

I. PRELIMINARY INFORMATION

Model No .............................................................................................................................................................

Serial No ..............................................................................................................................................................

Date ......................................................................................................................................................................

Technician ...........................................................................................................................................................

Customer Information(Name/Address) ...........................................................................................................................................................

II.PRE-START-UP

____ Verify that all packing materials have been removed from unit

____ Verify that condensate connection is installed per installation instructions

____ Check all electrical connections and terminals for tightness

____ Check wire proximity to refrigerant tubes and sheet metal edges

____ Check that indoor (indoor) air filter is clean and in place

____ Verify that unit installation is level

____ Check fan wheel propeller for location in housing and setscrew tightness

III. START-UP

Supply Voltage: L1-L2 __________ L2-L3 __________ L3-L1 __________

Compressor Amps: L1(C) __________ L2(S) __________ L3(R) __________

Indoor Fan Amps: __________ Outdoor Fan Amps: __________

TEMPERATURE-Cooling Mode

Outdoor Air Temperature: __________ DB ____________WB

Return-Air Temperature: __________ DB __________ WB

Cooling Supply Air: __________DB___________WB

PRESSURES-Cooling Mode

Refrigerant Suction __________ psig

Suction Line Temp* ___________

Refrigerant Discharge __________ psig

Discharge Temp²__________

TEMPERATURE-Heating Mode

Outdoor Air Temperature: __________ DB ____________WB

Return-Air Temperature: __________ DB __________ WB

Cooling Supply Air: __________DB___________WB

PRESSURES-Heating Mode

Refrigerant Suction __________ psig

Suction Line Temp* ___________

Refrigerant Discharge __________ psig

Discharge Temp²__________

____ Verify Refrigerant charge using charging tables

____ Verify that 3-phase scroll compressor is rotating in correct direction.

*Measured at suction inlet to compressor ²Measured at liquid line leaving outdoor coil

23

Page 23
Image 23
Carrier 50ZH024-060 TEMPERATURE-Cooling Mode, PRESSURES-Cooling Mode, TEMPERATURE-Heating Mode, PRESSURES-Heating Mode