Bunn -O-MATIC ULTRA-1 Service And Repair Manual page 35

SERVICE (cont.)
COMPRESSOR (APPLIANCES) (ULTRA-1) (cont.)
Removal and Replacement:
Compressor Start Relay: Refer to FIG. 25
1. Remove the terminal cover (4)
2. Disconnect the wires from the compressor start relay.
3. Pull relay (1) off of the compressor pins and discard.
4. Push new relay onto the compressor pins.
5. Refer to Fig. 26 and reconnect the wires.
6. Reinstall terminal cover (4).
Compressor Thermal Overload Protector: Refer to FIG. 25
1. Remove 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 (3) and start relay as an
assembly.
5. Remove overload protector (3) and discard overload
protector.
6. Install new overload protector (3) on to the relay (1).
7. Install relay (1) and overload protector (2) on the com-
pressor terminal bracket.
8. Refer to Fig. 27 and reconnect the thermal overload
protector wires.
9. Reinstall terminal cover (4).
Compressor Run Capacitor: Refer to FIG. 25
1. Remove terminal cover (4).
2. Disconnect the run capacitor leads.
3. Remove the #8-32 screw securing the run capacitor to
the top of the dispenser chassis.
4. Remove run capacitor and discard.
5. Place new run capacitor on the top of the dispenser
chassis and secure with #8-32 screw.
6. Refer to Fig. 28 and reconnect the wires.
FIG. 26 RELAY TERMINALS
FIG. 27 THERMAL OVERLOAD PROTECTOR
FIG. 28 COMPRESSOR CAPACITOR TERMINALS
35
WHI/ORN
GRN
WHI
BRN/WHI (120V)
BRN (230V)
BLU
Plugs into Relay
TERMINALS
BRN/WHI (120V) to Relay
BRN (230V) to Relay
BLU to Relay
41084 102709