Carrier 48LC Series Controls, Start-Up, Operation And Troubleshooting page 189

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 Controls, Start-Up, Operation, and Troubleshooting
document.
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
Verify installation of outdoor air hood
Verify installation of flue exhaust and inlet hood (48LC only)
Verify that condensate connection is installed per instructions
Verify that all electrical connections and terminals are tight
Verify gas pressure to unit gas valve is within specified range (48LC only)
Check gas piping for leaks (48LC only)
Check that indoor-air filters are clean and in place
Check that outdoor air inlet screens are in place
Verify that unit is level
Check fan wheels and propeller for location in housing/orifice and verify setscrew is tight
Verify that fan sheaves are aligned and belts are properly tensioned
Verify that scroll compressors are rotating in the correct direction
Verify installation of thermostat/space sensor
Verify that crankcase heaters have been energized for at least 24 hours (48LC only)
Verify configuration values for electronic controls (refer to control set-up checklist)
III. START-UP
ELECTRICAL
Supply Voltage
Compressor 1Amps
Compressor 2 Amps / Stage 2 Amps
Supply Fan Amps
Outdoor Fan Amps
TEMPERATURES
Outdoor-air Temperature
Return-air Temperature
Cooling Supply Air Temperature
Gas Heat Supply Air (48LC)
Electric Heat Supply Air (50LC)
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480263-01
UNIT START-UP CHECKLIST
(Remove and use for job file)
L1-L2_____________
L1 _____________
L1 _____________
L1 _____________
L1 _____________
_____________ °F DB (Dry Bulb)
_____________ °F DB
_____________ °F DB
_____________ °F DB
_____________ °F DB
Printed in U.S.A. Form S-VU-LC-4-26-02T
L2-L3_____________
L2 _____________
L2 _____________
L2 _____________
L2 _____________
_____________ °F WB (Wet Bulb)
_____________ °F WB
_____________ °F WB
_____________ °F WB
_____________ °F WB
Pg CL-1 6-19
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
(Y/N) _____
L3-L1_____________
L3 _____________
L3 _____________
L3 _____________
Replaces: S-VU-LC-4-26-01T