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START-UP CHECKLIST
(Remove and Store in Job File)
I. PRELIMINARY INFORMATION
MODEL NO.: SERIAL NO.:
DATE: TECHNICIAN:
II. PRE -START-UP (insert checkmark in box as each item is completed)
j VERIFY THAT JOBSITE VOL T AGE AGREES WITH VOL T AGE LISTED ON RATING PLATE
j VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT
j REMOVE ALL SHIPPING HOLDDOWN BOL TS AND BRACKETS PER INST ALLATION INSTRUCTIONS
j VERIFY THAT CONDENSATE CONNECTION IS INST ALLED PER I NSTALLATI ON I NSTR UCTIO NS
j CHECK A LL ELECTRI CAL C ONNECTIONS AND TERMINALS FOR TIGHTNESS
j CHECK GAS PIPING FOR LEAKS
j CHECK THAT RETURN (INDOOR) AIR FIL TERS ARE CLEAN AND IN PLACE
j VERIF Y TH AT UN IT IN STA LLATIO N IS LEV EL
j CHECK FAN WH EELS A ND P RO PELLER F OR L OCAT ION I N HOUSING/ORIFICE AND SETSCREW
TIGHTNESS
j CHECK T O E NS URE TH AT ELECTRI CAL WIR ING I S N OT IN C ON TAC T WITH REF RIG ERAN T LINES
OR SHARP MET AL EDGES
j CH ECK P ULLEY A LIGN MEN T AN D BELT TENSI ON P ER IN STA LLATIO N IN STR UCTIO NS
III. START-UP
ELECTRICAL
SUPPL Y VOLT AGE L1-L2 L2-L3
L3-L1
COMPRESS OR AMPS L1 L2 L3
INDOOR-F AN AMPS L1 L2 L3
TEMPERATURES
OUTDOOR-AIR TEMPERATURE
DB
RETUR N-A IR TEM PERATU RE
DB WB
COOLING SUPPL Y AIR
DB WB
PRESSURES (Cooling Mode)
REFRIGERANT SUC TION
PSIG F
REFRIGERANT DI SCHARGE
PSIG F
j VERIFY THAT 3-PHASE FAN MOTOR AND BLOWER ARE ROT ATING IN CORRECT DIRECTION. IF THEY
ARE NOT ROT ATING IN CORRECT DIRECTION, LOCKING COLLAR MUST BE RE--TIGHTENED AFTER
CORRECTING DIRECTION OF RO T ATION
j VERIFY THAT 3-PHAS E S CROLL COMPRESS OR IS ROT ATIN G IN THE CORRECT D IRECTION
j VERIFY REFRIGERANT CHARGE USING CHARGING CHAR TS
GENERAL
j SET ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS T O M ATC H J OB R EQUI REMEN TS
(IF EQUIPPED)
Copyright2006CarrierCorp.S 7310W.MorrisSt.S Indianapolis,IN 46231
Manufacturerreserves theright tochange,atanytime, specificationsand designs withoutnoticeandwithoutobligations.
Catalog No:50H--1SI
Replaces:50HJ--31SI
Printedin U.S.A. EditionDate:09/06
50HE,HJ