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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500167-01
Printed in U.S.A.
Form 50LC-14-26-03SM
Pg CL-1
2-2020
Replaces: 50LC-14-26-02SM
UNIT 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 jo
b
site voltage agrees with voltage listed on rating plate (Y/N) _____
Verify that all packaging materials have
b
een removed from unit (Y/N) _____
Remove all shipping hold-down
b
olts and
b
rackets per installation instructions (Y/N) _____
Verify installation of outdoor air hood (Y/N) _____
Verify that condensate connection is installed per instructions (Y/N) _____
Check refrigerant piping for indications of leaks; investigate and repair if necessary (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 fan wheels and propeller for location in housing/orifice and verify setscrew is tight (Y/N) _____
Verify that electrical wiring is not in contact with refrigerant lines or sharp metal edges (Y/N) _____
Verify that fan sheaves are aligned and
b
elts are properly tensioned (Y/N) _____
Verify installation of thermostat (Y/N) ______
Check pulley alignment and
b
elt tension per installation instructions (Y/N) ______
III. START-UP
ELECTRICAL
Supply Voltage
L1-L2_____________
L2-L3_____________
L3-L1_____________
Circuit 1 Compressor Amps
L1 _____________
L2 _____________
L3 _____________
Circuit 2 Compressor Amps
L1 _____________
L2 _____________
L3 _____________
Indoor Fan Amps
L1 _____________
L2 _____________
L3 _____________
Outdoor Fan Amps
L1 _____________
L2 _____________
L3 _____________
TEMPERATURES
Outdoor-Air Temperature
_____________ °F DB (Dry Bul
b
)
Return-Air Temperature
_____________ °F DB
_____________
°
F WB (Wet Bul
b
)
Cooling Supply Air Temperature
_____________ °F DB
_____________
°
F WB (Wet Bul
b
)
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 Service and Maintenance Instructions document.
Summary of Contents for 50LC 14
Page 26: ...26 Fig 34 50LC 14 26 Control Wiring Diagram...
Page 27: ...27 Fig 35 50LC 14 26 RTU Open Control Wiring Diagram...
Page 28: ...28 Fig 36 50LC 14 20 208 230V 3 Phase Power Wiring Diagram...
Page 29: ...29 Fig 37 50LC 24 26 208 230V 3 Phase Power Wiring Diagram...
Page 30: ...30 Fig 38 50LC 14 26 460V 575V 3 Phase Power Wiring Diagram...