Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480221-01 Printed in U.S.A. Form 48HC-7-12-06SI Pg CL-1  1-19 Replaces: 48HC-7-12-05SI
START-UP CHECKLIST 
(Remove and use for job file)
 
I. PRELIMINARY INFORMATION
MODEL NO. ____________________________________________
JOB NAME_____________________________________________
SERIAL NO. ____________________________________________
ADDRESS _____________________________________________
START-UP DATE________________________________________
TECHNICIAN NAME _____________________________________
ADDITIONAL ACCESSORIES
_____________________________________________________________________________________________________
II. PRE-START-UP
Verify that all packaging materials have been removed from unit (Y/N) _____
Verify installation of outdoor air hood (Y/N) _____
Verify installation of flue exhaust and inlet hood (Y/N) _____
Verify that condensate connection is installed per instructions   (Y/N) _____
Verify that all electrical connections and terminals are tight (Y/N) _____
Verify gas pressure to unit gas valve is within specified range (Y/N) _____
Check gas piping for leaks (Y/N) _____
Check that indoor-air filters are clean and in place (Y/N) _____
Check that outdoor air inlet screens are in place (Y/N) _____
Verify that unit is level (Y/N) _____
Check fan wheels and propeller for location in housing/orifice and verify setscrew is tight (Y/N) _____
Verify that fan sheaves are aligned and belts are properly tensioned (Y/N) _____
Verify that scroll compressors are rotating in the correct direction (Y/N) _____
Verify installation of thermostat (Y/N) _____
Verify that crankcase heaters have been energized for at least 24 hours (Y/N) _____
III. START-UP
ELECTRICAL
Supply Voltage  L1-L2_____________ L2-L3_____________ L3-L1_____________
Compressor Amps 1 L1-L2   _____________ L2-L3   _____________ L3-L1   _____________
Compressor Amps 2 L1-L2   _____________ L2-L3   _____________ L3-L1   _____________
Supply Fan Amps L1-L2   _____________ L2-L3   _____________ L3-L1   _____________
TEMPERATURES
Outdoor-air Temperature  _____________ °F DB (Dry Bulb)
Return-air Temperature  _____________ °F DB  _____________ °F WB (Wet Bulb) 
Cooling Supply Air Temperature  _____________ °F
Gas Heat Supply Airs  _____________ °F
NOTE:  To avoid injury to personnel and damage to equipment or
property when completing the procedures listed in this start-up
checklist, use good judgment, follow safe practices, and adhere to
the safety considerations/information as outlined in preceding sec-
tions of this Installation Instructions.