Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500275-01
Printed in U.S.A.
Form 50JC-4-6-01SM
Pg CL-1
11-21
Replaces: New
START-UP CHECKLIST
50JC04-06 SINGLE PACKAGE ROOFTOP COOLING ONLY/ELECTRIC HEAT UNIT
(REMOVE AND USE FOR JOB FILE)
MODEL NO: _________________________________________
DATE: ______________________________________________
SERIAL NO: _________________________________________
TECHNICIAN: _______________________________________
I. PRE-START-UP:
Verify that all packaging materials have been removed from unit
(Y/N) ______
Verify installation of outdoor air hood
(Y/N) ______
Verify that condensate connection is installed per installation instructions
(Y/N) ______
Verify that all electrical connections and terminals are tight
(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 outdoor fan propeller for location in housing/orifice and verify setscrew is tight
(Y/N) ______
Verify that scroll compressors are rotating in the correct direction
(Y/N) ______
Verify installation of thermostat/space sensor
(Y/N) ______
Verify configuration values for electronic controls
(Y/N) ______
(Refer to the Setpoint and Configuration Log section in 48/50JC 04-06 Ultra High Efficiency Single Package Rooftop
Units with SystemVu™ Controls Version X.X Controls, Start-up, Operation and Troubleshooting Instructions.)
Verify that crankcase heaters have been energized for at least 24 hours
(Y/N) ______
II. START-UP
ELECTRICAL
TEMPERATURES
PRESSURES
Verify refrigerant charge using charging charts
(Y/N) ______
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 the preceding sections of this Controls,
Start-Up, Operation and Troubleshooting Instructions document.
Supply Voltage
L1-L2
L2-L3
L3-L1
Compressor Amps
— Speed 1 - 2500rpm
L1
L2
L3
— Speed 2 - High - 4500rpm
L1
L2
L3
Electric Heat Amps (if equipped)
L1
L2
L3
Supply Fan Amps at Max Speed
L1
L2
L3
Outdoor-Air Temperature
F DB (Dry Bulb)
F WB (Wet Bulb)
Return-Air Temperature
F DB
F WB
Cooling Supply Air
F DB
F WB
Electric Heat Supply Air
F
F
Refrigerant Suction
Circuit A
psig
Circuit A Superheat
degF
Refrigerant Discharge
Circuit A
psig
Circuit A Subcooling
degF
