Carrier 50MQ User Manual

Page 5

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The 50MQ unit transformer supplies 24-v

power for complete system including accessory
electric heater up to 10 kw. Electric heaters over

10 kw are equipped with 24-v transformer used to

power heater controls.

GROUND

LUG

(IN SPLICE BOX)

Fig. 6 — Line Power Connections

HH07AT070

THERMOSTAT

HH93AZ076 SUBBASE

UNIT CONTROL

WIRING TERMINAL BOARD

HH07AT070 THERMOSTAT

HH93AZ074 SUBBASE

50 MO

UNIT CONTROL

WIRING

TERMINAL BOARD

--------- Field Wiring, min 18 AWG

--------- Factory Supplied Wires

HR — Heater Relay

R — Relay

SEQ — Sequencer

Splice

Fig. 7 — Control Circuit Connections