Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480257-01 Printed in U.S.A. Form 48TC-7-16-02SI Pg CL-1 5-2020 Replaces: 48TC-7-16-01SI
START-UP CHECKLIST — 48TC PACKAGED ROOFTOP UNITS WITH GAS HEAT
AND ELECTRIC COOLING
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 pe
r instructions verify that all electrical (Y/N) _____
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 pro
peller 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 _____________ L3 _____________
Compressor Amps 2 L1 _____________ L2 _____________ L3 _____________
Supply Fan Amps L1 _____________ L2 _____________ L3 _____________
TEMPERATURES
Outdoor-air Temperature _____________ °F DB (Dry Bulb) _____________ °F WB (Wet Bulb)
Return-air Temperature _____________ °F DB _____________ °F WB (Wet Bulb)
Cooling
Supply Air Temperature _____________ °F
Gas Heat Supply Air _____________ °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
sections of this Installation Instruction document.
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