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START-UP CHECKLIST
MODEL NO.:
DATE:
SERIAL NO.:
TECHNICIAN:
PRE-START-UP:
Ⅺ VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT
Ⅺ LOOSEN ALL SHIPPING HOLDDOWN BOLTS AND REMOVE SHIPPING BRACKETS PER INSTRUCTIONS
Ⅺ VERIFY INSTALLATION OF ECONOMIZER HOOD
Ⅺ VERIFY INSTALLATION OF EXHAUST HOOD
Ⅺ VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS
Ⅺ VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
Ⅺ CHECK GAS PIPING FOR LEAKS (48 SERIES UNITS ONLY)
Ⅺ CHECK THAT INDOOR-AIR FILTER IS CLEAN AND IN PLACE
Ⅺ VERIFY THAT UNIT IS LEVEL
Ⅺ CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE, AND VERIFY SET SCREW
IS TIGHT
Ⅺ VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
START-UP
ELECTRICAL
SUPPLY VOLTAGE L1-L2
L2-L3 L3-L1
COMPRESSOR AMPS — COMPRESSOR NO. 1 L1 L2 L3
— COMPRESSOR NO. 2 L1 L2 L3
SUPPLY FAN AMPS EXHAUST FAN AMPS
ELECTRIC HEAT AMPS L1 L2 L3
TEMPERATURES
OUTDOOR-AIR TEMPERATURE
F DB (Dry-Bulb)
RETURN-AIR TEMPERATURE
FDB F WB (Wet-Bulb)
COOLING SUPPLY AIR
F
GAS HEAT SUPPLY AIR
(48 SERIES UNITS ONLY)
F
ELECTRIC HEAT SUPPLY AIR
(IF UNIT IS SO EQUIPPED)
F
PRESSURES
GAS INLET PRESSURE (48 SERIES UNITS ONLY)
IN. WG
GAS MANIFOLD PRESSURE
(48 SERIES UNIT ONLY) VALVE NO. 1
IN. WG VALVE NO. 2 IN. WG
REFRIGERANT SUCTION CIRCUIT NO. 1
PSIG CIRCUIT NO. 2 PSIG
REFRIGERANT DISCHARGE CIRCUIT NO. 1
PSIG CIRCUIT NO. 2 PSIG
Ⅺ VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS ON PAGES 47-49
GENERAL
Ⅺ ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS
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CUT ALONG DOTTED LINE
Copyright 1996 Carrier Corporation
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 1
Tab 1a 1b
PC 111 Catalog No. 564-818 Printed in U.S.A. Form 48/50D,N-9SI CL-1 3-96 Replaces: 48DJ,DK-3SI;
48/50NB,NP-1SI; 50DJ,DK-9SI