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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500209-01
Printed in U.S.A.
Form 50HC-14-03SI
Pg CL-1
8-18
Replaces: 50HC-14-02SI
START-UP CHECKLIST
(Remove and use for job file)
MODEL NO.: ____________________________________________ SERIAL NO.: ____________________________
I. PRE-START-UP
VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT
VERIFY INSTALLATION OF OUTDOOR AIR HOOD
VERIFY INSTALLATION OF FLUE EXHAUST AND INLET HOOD
VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS
VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
CHECK THAT INDOOR-AIR FILTERS ARE CLEAN AND IN PLACE
CHECK THAT OUTDOOR-AIR INLET SCREENS ARE IN PLACE
VERIFY THAT UNIT IS LEVEL
CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND VERIFY
SETSCREW IS TIGHT
VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
VERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRECT DIRECTION
VERIFY INSTALLATION OF THERMOSTAT
II. START-UP
ELECTRICAL
TEMPERATURES
PRESSURES
VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS
GENERAL
ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS (IF EQUIPPED)
VERIFY SMOKE DETECTOR UNIT SHUTDOWN BY UTILIZING MAGNET TEST
NOTE: To avoid injury to personnel and damage to equipment or
property when completing the procedures listed in this start-up
checklist, use good judgment, follow safe practices, and adhere to
the safety considerations/information as outlined in preceding sec-
tions of this Installation Instructions document.
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 ___________
OUTDOOR-AIR TEMPERATURE
_____________ °F DB (DRY BULB)
RETURN-AIR TEMPERATURE
_____________ °F DB _____________ °F WB (WET BULB)
COOLING SUPPLY AIR TEMPERATURE
_____________ °F
REFRIGERANT SUCTION
CIRCUIT A
_____________ PSIG
CIRCUIT B
_____________ PSIG
REFRIGERANT DISCHARGE
CIRCUIT A
_____________ PSIG
CIRCUIT B
_____________ PSIG
Summary of Contents for WeatherMaster 50HC14
Page 4: ...4 Fig 2 Unit Dimensional Drawing 14 Size Unit ...
Page 5: ...5 Fig 2 Unit Dimensional Drawing 14 Size Unit cont HORIZONTAL ECONOMIZER VERTICAL ECONOMIZER ...
Page 8: ...8 Fig 4 Roof Curb Details ...
Page 24: ...24 Fig 46 Typical Humidi MiZer Adaptive Dehumidification System Humidistat Wiring ...
Page 39: ...39 Fig 54 50HC14 Control Box Component Locations with ComfortLink Controls ...
Page 40: ...40 Fig 55 50HC14 ComfortLink Control Wiring Diagram ...
Page 41: ...41 Fig 56 50HC14 ComfortLink Power Wiring Diagram ...
Page 42: ...42 Fig 57 50HC14 ComfortLink with Humidi MiZer Power Wiring Diagram ...
Page 44: ...44 Fig 60 PremierLink Wiring Schematic ...
Page 45: ...45 Fig 61 PremierLink Wiring Schematic with Humidi MiZer System Option ...
Page 53: ...53 Fig 80 RTU Open System Control Wiring Diagram ...
Page 54: ...54 Fig 81 RTU Open System Control Wiring Diagram with Humidi MiZer System Option ...
Page 64: ......
Page 65: ......