Bunn CWT-TS - Manual (Page 16)

Page 16
SERVICE (cont.)
CONTROL THERMOSTAT (cont.)
3.
Early Models: Remove the two #8-32 screws
securing control thermostat bracket mounted
inside the hood.
Late Models: Remove the one #8-32 screw se-
curing the control thermostat to the component
bracket in the trunk.
4. Slide the grommet to the line 4.5" above the bulb
on the new capillary tube.
5. Insert the capillary bulb through the hole in the
tank lid and press the grommet firmly and evenly
so that the groove in the grommet fits into the
tank lid.
6. Carefully bend the capillary tube so that the tube
and bulb inside the tank are in the vertical posi-
tion.
NOTE - The capillary tube must be clear of any electrical
termination and not kinked.
7. Early Models: Using two #8-32 screws secure the
control thermostat inside the hood.
Late Models. Using one #8-32 screw secure the
control thermostat to the component bracket
inside the trunk.
8. Refer to the illustration below when reconnecting
the wires.
9. Adjust the control thermostat as required.
BLU to BLU Lead from
Limit Thermostat
BLK to BLK Lead fromTank Heater
(Brewers W/Out Faucet)
BLK toThermal Cut-Off from Tank
Heater (Brewers with Faucet)
P1129
LIMIT THERMOSTAT
1
2
3
4 5
.5
MINUTES BUNN-O-MATIC P/N 2235-120 VAC
USE COPPER WIRE ONLY FOR POWER SUPPLY CONNECTIONS
B U N N
C W S E R IE S
READ
Y
Location:
The limit thermostat is located inside the rear of
the hood on the tank lid.
Test Procedures:
1.
Disconnect the brewer from the power source.
2. Disconnect the blue and black wires from the
limit thermostat.
3. Check for continuity across the limit thermostat
terminals with a ohmmeter.
If continuity is present as described, the limit
thermostat is operating properly.
If continuity is not present as described, replace the
limit thermostat.
Removal and Replacement:
1.
Remove all wires from limit thermostat termi-
nals.
2. Carefully slide the limit thermostat out from
under the retaining clip and remove limit thermo-
stat.
3. Carefully slide the new limit thermostat into the
retaining clip.
4. Refer to the illustration below when reconnecting
the wires.
BLU to BLU Lead from
Control Thermostat
BLK to Tank
Heater Switch
P1130
P1130