Carrier 48TC series, Service And Maintenance Instructions, Page: 111 / 112

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480288-01 Printed in U.S.A. Form 48TC-17-30-02SM Pg CL-1 10-2020 Replaces: 48TC-17-30-02SM
START-UP CHECKLIST — 48TC 17-30 SINGLE PACKAGE ROOFTOP WITH
HEAT/ELECTRIC COOLING WITH PURON ® (R-410A) REFRIGERANT
I. PRELIMINARY INFORMATION
MODEL NO. __________________________________
JOB NAME ___________________________________
SERIAL NO. __________________________________
ADDRESS ___________________________________
START-UP DATE______________________________
TECHNICIAN NAME ___________________________
ADDITIONAL ACCESSORIES____________________
_____________________________________________________________________________________________________
II. PRE-START-UP
Verify that job site voltage agrees with voltage listed on rating plate (Y/N) _____
Verify that all packaging materials have been removed from unit (Y/N) _____
Remove all shipping hold down bolts and brackets per installation instructions (Y/N) _____
Verify that condensate connection is installed per installation instructions (Y/N) _____
Verify that flue hood is installed (Y/N) _____
Check refrigerant piping for indications of leaks; investigate and repair if necessary (Y/N) _____
Check gas piping for leaks (Y/N) _____
Check all electrical connections and terminals for tightness (Y/N) _____
Check that return (indoor) air filters are clean and in place (Y/N) _____
Verify that unit installation is level (Y/N) _____
Check fan wheels and propeller for location in housing/orifice and setscrew tightness (Y/N) _____
Check to ensure that electrical wiring is not in contact with refrigerant lines or sharp metal edges (Y/N) _____
Check pulley alignment and belt tension per installation instructions (Y/N) _____
II. START-UP (Refer to Unit Service/Maintenance Manual for Start-Up Instructions)
ELECTRICAL
Supply Voltage L1-L2_____________ L2-L3_____________ L3-L1_____________
Compressor Amps 1 L1 _____________ L2 _____________ L3 _____________
Compressor Amps 2 L1 _____________ L2 _____________ L3 _____________
Indoor Fan Amps L1 _____________ L2 _____________ L3 _____________
Outdoor Fan Amps NO.1 _____________ NO.2 _____________ NO.3 _____________
NO.4 _____________ NO.5 _____________ NO.6 _____________
TEMPERATURES
Outdoor-air Temperature _____________ °F DB (Dry Bulb) _____________
°
F WB (Wet Bulb)
Return-air Temperature _____________ °F DB _____________ ° F WB
Cooling Supply Air Temperature _____________ °F DB _____________
°
F WB
Gas Heat Supply Air _____________ °F DB _____________ ° F WB
PRESSURES (HEATING MODE)
GAS INLET PRESSURE _____________ IN. WG
GAS MANIFOLD PRESSURE _____________ IN. WG (Low Fire) _____________ IN. WG (High Fire)
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 Instruction document.