Carrier WEATHERMAKER 48J - Unit Start-Up Checklist

MODELNO.:
SOFTWARE VERSION
DATE:
UNIT START-UP CHECKLIST
SERIAL NO.:
TECHNICIAN:
PRE-START-UP:
[] VERIFY THAT DIP SWITCH SETTINGS ARE CORRECT
[] VERIFY THAT ALL PACK1NG MATERIALS HAVE BEEN REMOVED FROM UNIT
[] REMOVE ALL COMPRESSOR SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTRUCTIONS
[] VERIFY INSTALLATION OF ECONOMIZER HOOD
[] VERIFY INSTALLATION OF ALL OPTIONS AND ACCESSORIES
[] VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
[] CHECK GAS PIPING FOR LEAKS (48A ONLY)
[] CHECK THAT RETURN-MR FILTER AND OUTDOOR-MR FILTERS ARE CLEAN AND IN PLACE
[] VERIFY THAT UNIT IS LEVEL WITHIN TOLERANCES FOR PROPER CONDENSATE DRAINAGE
[] CHECK FAN WHEELS AND PROPELLERS FOR LOCATION IN HOUSING/ORIFICE, AND SETSCREW IS TIGHT
[] VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
[] VERIFY THAT SUCTION, DISCHARGE, AND LIQUID SERVICE VALVES ON EACH CIRCUIT ARE OPEN
[] VERIFY THAT CRANKCASE HEATERS HAVE BEEN ON 24 HOURS BEFORE START-UP
START-UP:
ELECTRICAL
SUPPLY VOLTAGE L l-L2
COMPRESSOR AMPS -- COMPRESSOR NO. 1
COMPRESSOR AMPS -- COMPRESSOR NO. 2
SUPPLY FANS AMPS (CV)
(VAV) *
L2-L3 L3-L1
L1 L2 L3
L1 L2 L3
EXHAUST FAN AMPS
*VAV fan supply amps reading must be taken with a true RIMS meter for accurate readings.
F DB (Dry Bulb)
F DB F Vv_B(Wet Bulb)
F
F (481 ONLY)
F (501 ONLY, IF EQUIPPED)
IN. WG (48A ONLY)
STAGE NO. 1 IN. WG STAGE NO. 2
CIRCUIT NO. 1 PSIG CIRCUIT NO. 2
CIRCUIT NO. 2 PSIG CIRCUIT NO. 2
TEMPERATURES
OUTDOOR-MR TEMPERATURE
RETURN-MR TEMPERATURE
COOLING SUPPLY MR
GAS HEAT SUPPLY MR
ELECTRIC HEAT SUPPLY MR
PRESSURES
GAS INLET PRESSURE
GAS MANIFOLD PRESSURE
REFRIGERANT SUCTION
REFRIGERANT DISCHARGE
IN. WG (48A ONLY)
PSIG
PSIG
[] VERIFY REFRIGERANT CHARGE.
UA
Z
-q
c3
UA
b-
b-
o
C3
Z
q
<
ti
D
©
iii
Z
C3
iii
ti
6
C3
Z
q
<
ti
Copyright 2008 Carrier Corporation
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480050-01 Printed in U.S.A. Form 48/50A-7T Pg CL-6 5-08 Replaces: 48/50A-6T