Tank Heater - Bunn SRU Operating & Service Manual

SERVICE (cont.)
TANK HEATERS
FIG. 24 TANK HEATER
Location:
The tank heater is located on the front center of the
upper component bracket.
Test Procedures:
1. Disconnect the brewer from the power source.
2. Disconnect the wires from the tank heater.
3. Check for continuity across the tank heater termi-
nals.
If continuity is present as described, proceed to #4.
If continuity is not present as described, replace the

tank heater.

Removal and Replacement:
1. Remove the wires or thermal fuses from the tank
heater.
2. Remove the four #8-32 screws securing the tank
heater to the component bracket.
3. Remove tank heater and gasket.
4. Position new tank heater and gasket on the compo-
nent bracket and secure with four #8-32 screws.
5. Refer to Fig. 25 and reconnect the wires.
P2113.40
BLK to Contactor T1 (All
Models Except 230V-CE
Models)
BLK (Thermal Fuse) to T1
(230V-CE Models)
FIG. 25 TANK HEATER TERMINALS
Page 29
RED to Contactor T2
(120/208V, 120/240 Three
Wire Single Phase, 208V
and 240V Two Wire, Single
Phase)
RED (Thermal Fuse) to T2
(230V-CE Models)
P1746
10067 040100