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TEMPERATURES
OUTDOOR−AIR TEMPERATURE
RETURN−AIR TEMPERATURE
HEAT SUPPLY AIR TEMPERATURE
PRESSURES
REFRIGERANT SUCTION
REFRIGERANT DISCHARGE CIRCUIT A
j VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS
GENERAL −
j ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS (IF EQUIPPED)
j VERIFY SMOKE DETECTOR UNIT SHUTDOWN BY UTILIZING MAGNET TEST
REPEAT PROCESS FOR 2 COMPRESSOR SYSTEMS
©Carrier Corporation 2016
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
CIRCUIT A
CIRCUIT B
CIRCUIT B
Edition Date: 11/16
_F DB (DRY BULB)
_F DB
_F
PSIG
PSIG
PSIG
PSIG
Printed in U.S.A.
56
_F WB (WET BULB)
Catalog No: 50HCQ-7-9-03SI
Replaces: 50HCQ-7-9-01SI and 50HCQ-7-9-02SI
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