Bunn ULTRA-1 SERVICE cont, 120V DISPENSERS, 230V DISPENSERS, Compressor Start Relay Terminals

Models: ULTRA-1

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

SERVICE (cont.)

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

Removal and Replacement:

Compressor Start Relay: Refer to FIG. 15

1.Remove the terminal cover retainer (5) and the terminal cover (4)

2.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. 16 and reconnect the wires.

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

120V DISPENSERS White from Main Harness

Plug directly to two lower terminals on Compressor

120V DISPENSERS

Black from Run Capacitor

230V DISPENSERSFIG. 16 COMPRESSOR START RELAYFIG. 18 COMPRESSOR RUN CAPACITOR White from Main Harness

Manual backgroundManual background Plug directly to two lower terminals on Compressor

230V DISPENSERS

P1338

FIG. 16 COMPRESSOR START RELAY

TERMINALS

Compressor Thermal Overload Protector: Refer to FIG. 15

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.

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. 17 and reconnect the thermal overload protector wires.

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

WHI/ORN from

Manual background Main Harness

BLK to Compressor

FIG. 17 THERMAL OVERLOAD PROTECTOR TERMINALS

Compressor Run Capacitor (230V Dispensers Only): Refer to FIG. 15

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

(4).

2.Disconnect the run capacitor leads.

3.Remove the #6 crimptite screw securing the run capaci- tor to the rear of the component bracket.

4.Remove run capacitor and discard.

5.Place new run capacitor on the rear of component bracket and secure with #6 crimptite screw.

6.Refer to Fig. 18 and reconnect the wires.

BLK to Start Relay T1

BLK to Start Relay T3

P1816

FIG. 18 COMPRESSOR RUN CAPACITOR

TERMINALS

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41084 102709

 

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Bunn ULTRA-1 manual SERVICE cont, 120V DISPENSERS, 230V DISPENSERS, Compressor Start Relay Terminals