163
UNIT START-UP CHECKLIST
(Remove and Store in Job File)
NOTE: To avoid injury to personnel and damage to equipment or property when
completing the procedures listed in this start---up checklist, use good judgement
,
follow safe practices, and adhere to the safety considerations/information
as
outlined in the preceding sections of this Installation Instructions
document.
MODEL NO.:
DATE:
I. PRE-STAR T-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 CONDENSAT E 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 S HEAVES 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 (48LC ONLY)
II. START-UP
ELECTRICAL
SUPPLY VOLTAGE L1- L2 L2- L3 L3 -L1
COMPRESSOR AMPS — UNLOADED L1 L 2 L3
— WITH LOADER L1
L2 L3
ELECTRIC HEAT AMPS (I F 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 (48 LC )
F F
ELECTRIC HEAT SUPPLY AIR (50LC)
F F
PRESSURES
GAS INLET PRESSURE IN. WG
GAS MANIFOLD PRESSURE STAGE NO. 1
IN. WG STAGE NO. 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
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