Johnson-controls AFFINITY 340968-XIM-A-0108 User Manual download pdf (Page 23)

340968-XIM-A-0108

Johnson Controls Unitary Products 23

TYPICAL WIRING DIAGRAM NOTES

(SEE FIGURE 14)

1. All field wiring to be accomplished following city, local

and/or national codes in effect at time of installation of

this unit.

2. Caution: Label all wires prior to disconnection when ser-

vicing controls. Wiring errors can cause improper and

dangerous operation. If any of the wire as supplied with

this unit must be removed it must be replaced with type

105°C, 600V wire or equivalent clearly renumbered for

identification. Verify proper operation after servicing.

3. Motors inherently protected.

4. Factory wired for 230V. For 208V operation, move wire

107/PR to 208V. Tap on transformer T1

5. See unit nameplate for maximum fuse size and/or circuit

breaker size and minimum circuit ampacity.

6. If both LR and ASCT are present, wire 801/BL and 805/

BL are connected to ASCT-3. If only LR is present wire

801/BL and 805/BL are connected to M1 coil. If only

ASCT is present wire 202/Y is connected to ASCT-3. If

neither LR or ASCT are present, wire 202/Y is connected

to M1 coil as shown.

7. Shunt contact also used with crankcase heater.

(optional)

8. Select indoor blower speed to remain within the temper-

ature rise range on the nameplate in heating.

FIGURE 15 - TYPICAL WIRING DIAGRAM LEGEND

Open all disconnects before servicing this unit.

LEGEND

ALS AUXILARY LIMIT SWITCH

ASCT ANTI-SHORT CYCLE TIMER (OPTIONAL)

BR BLOWER RELAY

CB CIRCUIT BREAKER

CCH CRANK CASE HEATER (OPTIONAL)

COMPR COMPRESSOR

DM DRAFT MOTOR

FCB FAN CONTROL BOARD

GND GROUND

FS FREEZE STAT SWITCH (OPTIONAL)

HP HIGH PRESSURE SWITCH OPENS @ 380 PSIG

IDFAN INDOOR FAN MOTOR

LP LOW PRESSURE SWITCH OPENS @ 7 PSIG

LS LIMIT SWITCH

LR LOCK OUT RELAY (OPTIONAL)

M1 CONTACTOR, COMPR. AND OD FAN

ODFAN OUTDOOR FAN MOTOR

PS PRESSURE SWITCH

RC1 / RC2 COMPRESSOR START & OUTDOOR FAN RUN CAPACITOR

RS ROLLOUT SWITCH

TB4 TERMINAL BLOCK

T1 TRANSFORMER, 24V, 230V

1 2 ... 18 19 20 21 22 23 24

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