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55
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.:
SERIAL NO.:
I. PRE-START-UP
j
VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT
j
VERIFY INSTALLATION OF OUTDOOR AIR HOOD
j
VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS
j
VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
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
II. START-UP
COOLING CYCLE −
ELECTRICAL
SUPPLY VOLTAGE
L1−L2
L2−L3
L3−L1
COMPRESSOR AMPS 1
L1
L2
L3
COMPRESSOR AMPS 2
L1
L2
L3
SUPPLY FAN AMPS
L1
L2
L3
TEMPERATURES
OUTDOOR−AIR TEMPERATURE
_
F DB (DRY BULB)
RETURN−AIR TEMPERATURE
_
F DB
_
F WB (WET BULB)
COOLING SUPPLY AIR TEMPERATURE
_
F
PRESSURES
REFRIGERANT SUCTION
CIRCUIT A
PSIG
CIRCUIT B
PSIG
REFRIGERANT DISCHARGE CIRCUIT A
PSIG
CIRCUIT B
PSIG
j
VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS
HEATING CYCLE −
ELECTRICAL
SUPPLY VOLTAGE
L1−L2
L2−L3
L3−L1
COMPRESSOR AMPS 1
L1
L2
L3
COMPRESSOR AMPS 2
L1
L2
L3
SUPPLY FAN AMPS
L1
L2
L3
50HCQ
Summary of Contents for WeatherMaster 50HCQ
Page 4: ...4 C160133 Fig 2 Unit Dimensional Drawing 07 08 Size Units 50HCQ...
Page 5: ...5 C160134 Fig 2 Unit Dimensional Drawing 07 08 Size Unit cont 50HCQ...
Page 6: ...6 C10588 Fig 3 Unit Dimensional Drawing 09 Size Units 50HCQ...
Page 7: ...7 C10589 Fig 3 Unit Dimensional Drawing 09 Size Unit cont 50HCQ...
Page 26: ...26 C160124 Fig 39 Typical PremierLinkt Control Wiring Diagram 50HCQ...
Page 35: ...35 C160125 Fig 56 Typical RTU Open Controller Wiring Diagram 50HCQ...
Page 53: ...53 50HCQ...