Start-up checklist – Carrier NP034-074 User Manual
Page 72
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
F
DB
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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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