Bunn VPR TC EN - Manual (Page 11)

Page 11
SERVICE (cont.)
If continuity is present as described, reconnect the
wires, the tank heater is operating properly.
If continuity is not present as described, replace the
tank heater.
NOTE- If the tank heater remains unable to heat, remove
and inspect heater for cracks in the sheath.
Removal and Replacement:
1. Remove the tank inlet fitting securing the fill
basin to the tank lid, remove fill basin and tank
inlet gasket. Set all three parts aside for reas-
sembly.
2. Disconnect the black wire on the terminal block
from the tank heater and disconnect the blue/black
wire from the limit thermostat to the control
thermostat.
3. Disconnect the black wire and the white from the
tank heater terminals.
4. Remove sprayhead and the hex nut securing
the sprayhead tube to the hood. Set aside for
reassembly.
5. Remove the eight #8-32 nuts securing the tank
lid to the tank.
6. Remove the tank lid with limit thermostat, spray-
head tube and tank heater.
7 Remove the two hex nuts securing the tank heater
to the tank lid. Remove tank heater with gaskets
and discard.
8. Install new tank heater with gaskets on the tank
lid and secure with two hex nuts.
9. Install tank lid with limit thermostat, sprayhead
tube and tank heater using eight #8-32 hex
nuts.
10. Secure sprayhead tube to hood using a hex
nut.
11. Install sprayhead.
12. Reconnect the wires to the limit thermostat,
tank heater and control thermostat. See limit
thermostat and control thermostat sections in
this manual when reconnecting wires.
13. Install fill basin, secure with tank inlet fitting and
gasket.
14. Refer to Fig. 8 when reconnecting the tank heater
wires.
P1254
FIG. 8 TANK HEATER TERMINALS
39064 042806