50HE,HJ

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 VOLTAGE AGREES WITH VOLTAGE LISTED ON RATING PLATE j VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT

j REMOVE ALL SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS j VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS j CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS

j CHECK GAS PIPING FOR LEAKS

j CHECK THAT RETURN (INDOOR) AIR FILTERS ARE CLEAN AND IN PLACE j VERIFY THAT UNIT INSTALLATION IS LEVEL

j CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW TIGHTNESS

j CHECK TO ENSURE THAT ELECTRICAL WIRING IS NOT IN CONTACT WITH REFRIGERANT LINES OR SHARP METAL EDGES

j CHECK PULLEY ALIGNMENT AND BELT TENSION PER INSTALLATION INSTRUCTIONS

III.START-UP

ELECTRICAL

SUPPLY VOLTAGE

L1-L2

L2-L3

L3-L1

COMPRESSOR AMPS

L1

L2

L3

INDOOR-FAN AMPS

L1

L2

L3

TEMPERATURES

 

 

OUTDOOR-AIR TEMPERATURE

DB

 

RETURN-AIR TEMPERATURE

DB

WB

COOLING SUPPLY AIR

DB

WB

PRESSURES (Cooling Mode)

 

 

REFRIGERANT SUCTION

PSIG

F

REFRIGERANT DISCHARGE

PSIG

F

jVERIFY THAT 3-PHASE FAN MOTOR AND BLOWER ARE ROTATING IN CORRECT DIRECTION. IF THEY ARE NOT ROTATING IN CORRECT DIRECTION, LOCKING COLLAR MUST BE RE-TIGHTENED AFTER CORRECTING DIRECTION OF ROTATION

jVERIFY THAT 3-PHASE SCROLL COMPRESSOR IS ROTATING IN THE CORRECT DIRECTION j VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS

GENERAL

jSET ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO MATCH JOB REQUIREMENTS (IF EQUIPPED)

Copyright 2006 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231

Printed in U.S.A.

Edition Date:09/06

Catalog No:50H-1SI

 

 

 

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

 

Replaces:50HJ--31SI

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Carrier 50HE003-006, 50HJ004 installation instructions START-UP Checklist