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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 111
Catalog No. 534-763
Printed in U.S.A.
Form 48/50F,J-3T
Pg CL-2
3-00
Replaces: 48/50F,J-1T
Book
1
1
Tab
1a 1b
Copyright 2000 Carrier Corporation
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CUT
AL
ONG
DOT
T
ED L
INE
CUT
AL
O
N
G DOT
T
E
D L
INE
III. START-UP
CHECK EVAPORATOR FAN SPEED AND RECORD.
CHECK CONDENSER FAN SPEED AND RECORD.
AFTER AT LEAST 10 MINUTES RUNNING TIME, RECORD THE FOLLOWING MEASUREMENTS:
ELECTRICAL
SUPPLY FAN AMPS
EXHAUST FAN AMPS
ELECTRIC HEAT AMPS L1
L2
L3 (50 SERIES UNITS ONLY)
TEMPERATURES
OUTDOOR-AIR TEMPERATURE
F
DB (Dry-Bulb)
RETURN-AIR TEMPERATURE
F
DB F WB (Wet-Bulb)
COOLING SUPPLY AIR
F
PRESSURES
GAS INLET PRESSURE IN. WG (48 SERIES UNITS ONLY)
GAS MANIFOLD PRESSURE STAGE NO. 1 IN. WG
STAGE NO. 2 IN. WG (48 SERIES
UNITS ONLY)
REFRIGERANT SUCTION
CIRCUIT NO. 1 PSIG
CIRCUIT NO. 2 PSIG
REFRIGERANT DISCHARGE CIRCUIT NO. 1 PSIG
CIRCUIT NO. 2 PSIG
VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS IN UNIT INSTALLATION INSTRUCTIONS
GENERAL
ECONOMIZER MINIMUM VENT SETTING TO JOB REQUIREMENTS
IV. NOTES
COMP A1
COMP A2
COMP B1
COMP B2
OIL PRESSURE
SUCTION PRESSURE
SUCTION LINE TEMP
DISCHARGE PRESSURE
DISCHARGE LINE TEMP
ENTERING CONDENSER AIR TEMP
LEAVING CONDENSER AIR TEMP
EVAP ENTERING AIR DB TEMP
EVAP ENTERING AIR WB TEMP
EVAP LEAVING AIR DB TEMP
EVAP LEAVING AIR WB TEMP
COMPRESSOR AMPS (L1)
COMPRESSOR AMPS (L2)
COMPRESSOR AMPS (L3)
Summary of Contents for 48FK034
Page 14: ...14 Fig 20 Unit Control Box Arrangement Sizes 034 048...
Page 15: ...15 Fig 21 Unit Control Box Arrangement Sizes 054 078...
Page 16: ...16 Fig 22 Unit Control Box Arrangement Sizes 088 and 104...
Page 39: ...39 Fig 44 Modulating Power Exhaust Component Locations Sizes 034 048...
Page 40: ...40 Fig 45 Modulating Power Exhaust Component Locations Sizes 054 104 48FK 50FK JK Shown...
Page 59: ...59 Fig 57 Typical Wiring Schematic 48FK JK and 50FK FY JK JY Units 054 074 Shown...
Page 60: ...60 Fig 57 Typical Wiring Schematic 48FK JK and 50FK FY JK JY Units 054 074 Shown cont...
Page 61: ......