Bunn -O-MATIC ULTRA-1 User Manual

Page 32

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32

SERVICE (cont.)

COMPRESSOR (EMBRACO) (ULTRA-2) (cont.)

Compressor Thermal Overload Protector: Refer to FIG. 20

1. Remove terminal cover retainer (5) and terminal cover

(4).

2. Disconnect the WHI/ORN wire of the harness from the

thermal overload protector.

3. Disconnect the BLK wire from the Compressor’s upper

terminal.

4. Remove overload protector retainer (3) and thermal

overload protector (2) as an assembly.

5. Remove retainer (3) from overload protector (2) and

discard overload protector.

FIG. 22 THERMAL OVERLOAD

PROTECTOR TERMINALS

P1339

FIG. 21 COMPRESSOR START RELAY

TERMINALS

P1338

Model T-2155

Model T-2168

Removal and Replacement:
Compressor Start Relay: Refer to FIG. 20

1. Disconnect the wires from the compressor start re-

lay.

3. Pull relay (1) off of the compressor pins and discard.

4. Push new relay onto the compressor pins.

5. Refer to Fig. 21 and reconnect the wires.

6. Reinstall terminal cover (4) and cover retainer (5).

Compressor Run Capacitor: Refer to FIG. 20

1. Disconnect the run capacitor leads.

2. Remove the nut securing the run capacitor to the capaci-

tor mounting bracket.

3. Remove run capacitor and discard.

4. Place new run capacitor on capacitor mounting bracket

and secure nut.

5. Refer to Fig. 23 and reconnect the wires.

FIG. 23 COMPRESSOR RUN CAPACITOR

TERMINALS

P1816

White from Main Harness

Plug directly to two lower

terminals on Compressor

Black from Run Capacitor

White from Main Harness

Black from Run Capacitor

White from Main Harness

6. Install retainer (3) on new overload protector (2).

7. Install retainer (3) and overload protector (2) on the

compressor terminal bracket.

8. Refer to Fig. 22 and reconnect the thermal overload

protector wires.

9. Reinstall terminal cover (4) and cover retainer (5).

WHI/ORN from

Main Harness

BLK to Compressor

BLK to Start Relay T1

BLK to Start Relay T3

41084 102709

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