Carrier 38AQS016 Specifications download pdf (Page 17)

TB2

HEAT PUMP A

38AQS016

TB2

HEAT PUMP B

38ARQ012

G2/(W)

G3/(Y)

COM

MED(HEAT)

HI(COOL)

(VALVE)

FAN

G2/(W)

G3/(Y)

COM

MED(HEAT)

HI(COOL)

(VALVE)

FAN

WHT

IFC

40RMQ

HEAT ACCESSORY

40RMQ028

TERMINAL BLOCK

TB1

FIELD POWER

WIRING

DISCONNECT

FIELD

POWER

SUPPLY

3-Ph ONLY

EQUIP GND

TB1

HC1

CIRCUIT BREAKER

(5 HP AND LARGER)

UNIT WIRING

IFM

BLK

HTR1

IFC

RELAY BOARD

(33ZCRLYBRD)

RELAY BOARD

(33ZCRLYBRD)

TSTAT*

LEGEND

*Do not configure TSTAT for heat pump.

NOTE: Use copper conductors only.

CR — Control Relay (Field-Supplied)

EQUIP — Equipment

GND — Ground

HC — Heating Contactor

HTR — Electric Heater

IFC — Indoor-Fan Contactor

IFM — Indoor-Fan Motor

TB — Terminal Block

TSTAT — Thermostat

Factory Wiring

Field Control Wiring

Fig. 13 — Wiring Diagram — Duplex 38ARQ012 and 38AQS016 With 40RMQ028 and Electric Heat

LEGEND

NOTES:

1. Locate YEL wire between on DB and terminal 5 of CR3

and cut.

2. Splice airflow switch (AFS) (field supplied) contact wires (field

provided) to two ends of cut YEL wire as depicted.

Fig. 14 — Typical Field Wiring for Airflow Switch —

38AQS016/40RMQ (Shown)

AFS — Airflow Switch (Sail Switch)

CR — Control Relay

DB — Defrost Board

Factory Wiring

Field Control Wiring

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 31 32

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Carrier 38AQS016 Specifications Page 17

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