Bosch SM070 Specifications download pdf (Page 29)

100

Electrical | 29SM Series Heat Pump

6 720 220 406 (2013/9)Revised 08-13

ELECTRICAL

Refer to electrical component box layout.

(Figure #94)

Properly sized fuses or HACR circuit breakers must

be installed for branch circuit protection. See unit

nameplate for maximum fuse or breaker size.

The unit is provided with a concentric knock-out

for attaching common trade sizes of conduit, route

power supply wiring through this opening. Always

connect the ground lead to the grounding lug

provided in the control box and power leads to the

line side of compressor contactor as indicated on

the wiring diagram (Figures#108 through

#113,Pg#60 through Pg#66).

Figure # 94

[1] Compressor contactor

[2] Comfort Alert Module (Option)

[3] Emergency Relay (Option)

[4] Second Stage Relay

[5] Hot Gas Reheat Relay (Option)

[6] Cooling Relay

[7] Unit Protection Module (UPM)

[8] Terminal block (Option)

[9] Auxiliary Relay (Option)

[10] Transformer

[11] Capacitor

[12] ECM Module (Option, mounts on E-Box cover)

Field wiring must comply with local and

national electric codes.

Power to the unit must be within the

operating voltage range indicated on

the unit nameplate or on the

performance data sheet.

Operation of unit on improper line

voltage or with excessive phase

imbalance will be hazardous to the unit,

constitutes abuse and may void the

warranty.

Units supplied with internal electric heat require

two (2) separate power supplies:

1) Unit compressor

2) Electric Heat, blower motor and control

circuit.

-------------------------------------------------------------

Refer to the ELECTRIC HEATER PACKAGE

OPTION section and Pg#60 through Pg#66 for

wiring diagrams. See data plate for minimum

circuit ampacities and maximum fuse/breaker

sizing.

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Bosch SM070 Specifications Page 29

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