Carrier 50TFQ004 Product Data page 69

APOLLO COMMUNICATING CONTROL WIRING SCHEMATIC,
50TFQ008-012 UNITS
C — Contactor NC
CHAS — Ground NO — Normally Open
COM — Common OAT — Outdoor-Air Thermostat
— Direct Expansion SAT — Saturated-Air Temperature
DX
ECON — Economizer VVT — Variable Volume/Variable
GND — Ground
HT — Heat
LEGEND
— Normally Closed
Temperature
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