Unit installation

83
UNIT START-UP CHECKLIST
MODEL NO.:
DATE:
I. PRE-START-UP:
SERIAL NO:
TECHNICIAN:
j VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT
j VERIFY INSTALLATION OF OUTDOOR AIR HOOD
j VERIFY INSTALLATION OF FLUE EXHAUST AND INLET HOOD (48LC ONLY)
j VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS
j VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
j VERIFY GAS PRESSURE TO UNIT GAS VALVE IS WITHIN SPECIFIED RANGE (48LC ONLY)
j CHECK GAS PIPING FOR LEAKS (48LC ONLY)
j CHECK THAT INDOOR--AIR FILTERS ARE CLEAN AND IN PLACE
j CHECK THAT OUTDOOR AIR INLET SCREENS ARE IN PLACE
j VERIFY THAT UNIT IS LEVEL
j CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND VERIFY SETSCREW IS TIGHT
j VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
j VERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRECT DIRECTION
j VERIFY INSTALLATION OF THERMOSTAT/SPACE SENSOR
j VERIFY CONFIGURATION VALUES FOR ELECTRONIC CONTROLS (REFER TO CONTROL SET UP CHECKLIST)
j VERIFY THAT CRANKCASE HEATERS HAVE BEEN ENERGIZED FOR AT LEAST 24 HOURS
II. START-UP
ELECTRICAL
SUPPLY VOLTAGE L1-L2 L2-L3 L3-L1
COMPRESSOR AMPS — UNLOADED L1 L2 L3
—WITHLOADER L1
L2 L3
ELECTRIC HEAT AMPS (IF EQUIPPED) L1 L2 L3
SUPPLY FAN AMPS AT MAX SPEED L1 L2 L3
TEMPERATURES
OUTDOOR-AIR TEMPERATURE F DB (Dry Bulb) F WB (Wet Bulb)
RETURN-AIR TEMPERATURE
FDB FWB
COOLING SUPPLY AIR
FDB FWB
GAS HEAT SUPPLY AIR (48LC )
F F
ELECTRIC HEAT SUPPLY AIR (50LC)
F F
PRESSURES
GAS INLET PRESSURE IN. WG
GAS MANIFOLD PRESSURE STAGE NO. 1
IN.WG STAGENO.2 IN.WG
REFRIGERANT SUCTION CIRCUIT A
PSIG CIRCUIT A Superheat degF
REFRIGERANT DISCHARGE CIRCUIT A
PSIG CIRCUIT A Subcooling degF
j VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS
GENERAL
j ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS
48/50LC