49
UNIT START-UP CHECKLIST
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 HOLD DOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS
j
VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS
j
VERIFY THAT FLUE HOOD IS INSTALLED
j
CHECK REFRIGERANT PIPING FOR INDICATIONS OF LEAKS; INVESTIGATE AND REPAIR IF NECESSARY
j
CHECK GAS PIPING FOR LEAKS
j
CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS
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 (REFER TO UNIT SERVICE/MAINTENANCE MANUAL FOR START--UP
INSTRUCTIONS)
ELECTRICAL
SUPPLY VOLTAGE
L1-L2
L2-L3
L3-L1
CIRCUIT 1 COMPRESSOR AMPS
L1
L2
L3
CIRCUIT 2 COMPRESSOR AMPS
L1
L2
L3
INDOOR-FAN AMPS
OUTDOOR-FAN AMPS
NO. 1
NO. 2
TEMPERATURES
OUTDOOR-AIR TEMPERATURE
DB
WB
RETURN-AIR TEMPERATURE
DB
WB
COOLING SUPPLY AIR
DB
WB
GAS HEAT SUPPLY AIR
DB
PRESSURES (Cooling Mode)
GAS INLET PRESSURE
IN. WG
GAS MANIFOLD PRESSURE
IN. WG (LOW FIRE)
IN. WG (HI FIRE)
REFRIGERANT SUCTION, CIRCUIT 1
PSIG
F
REFRIGERANT SUCTION, CIRCUIT 2
PSIG
F
REFRIGERANT DISCHARGE, CIRCUIT 1
PSIG
F
REFRIGERANT DISCHARGE, CIRCUIT 2
PSIG
F
j
VERIFY THAT 3-PHASE FAN MOTOR AND BLOWER ARE ROTATING IN CORRECT DIRECTION.
48L
C
Summary of Contents for 48LC 05
Page 10: ...10 COOLING CHARGING CHARTS C14037 Fig 13 Cooling Charging Charts 3 Ton 48LC ...
Page 11: ...11 COOLING CHARGING CHARTS cont C14038 Fig 14 Cooling Charging Charts 4 Ton 48LC ...
Page 12: ...12 COOLING CHARGING CHARTS cont C14039 Fig 15 Cooling Charging Charts 5 Ton 48LC ...
Page 35: ...35 WIRING DIAGRAMS C14043 Fig 44 Unit Wiring Diagram Power 208 230V 460V 3 Phase 48LC ...
Page 36: ...36 C14044 Fig 45 Unit Wiring Diagram Power 575V 3 Phase 48LC ...
Page 37: ...37 C14045 Fig 46 Unit Wiring Diagram Control 48LC ...
Page 47: ...47 48LC ...