89
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.
j
VERIFY THAT 3-PHASE SCROLL COMPRESSOR IS ROTATING IN THE CORRECT DIRECTION
j
VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS
GENERAL
j
SET ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO MATCH JOB REQUIREMENTS
(IF EQUIPPED)
48H
C
Summary of Contents for 48HC D17 Series
Page 77: ...77 APPENDIX IV WIRING DIAGRAMS C12616 Fig 77 48HC D17 D28 Power Diagram 208 230 3 60 48HC...
Page 78: ...78 APPENDIX IV WIRING DIAGRAMS C12617 Fig 78 48HC D17 D28 Power Diagram 460 3 60 48HC...
Page 79: ...79 APPENDIX IV WIRING DIAGRAMS C12618 Fig 79 48HC D17 D28 Power Diagram 575 3 60 48HC...
Page 86: ...86 APPENDIX IV WIRING DIAGRAMS C13767 Fig 86 RTU OPEN Wiring Diagram 48HC...
Page 87: ...87 APPENDIX IV WIRING DIAGRAMS C13768 Fig 87 RTU OPEN Wiring Diagram with Humidi MiZer 48HC...
