Start-up checklist – Carrier 50HE003-006 User Manual
Page 72
72
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
j
VERIFY 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
j
VERIFY THAT 3-PHASE SCROLL COMPRESSOR IS ROTATING IN THE CORRECT DIRECTION
j
VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS
GENERAL
j
SET 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
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Catalog No:50H--1SI
Replaces:50HJ--31SI
Printed in U.S.A.
Edition Date:09/06
50H
E,
H
J