Bunn DUAL TM (Serial # DUAL010000 - Up) 27040.0000F Manual De Usuario
Page 38
tank heater(s).
NOTE - If the tank heater remains unable to heat,
remove and inspect the heater for cracks in the sheath.
NOTE - If the tank heater remains unable to heat,
remove and inspect the heater for cracks in the sheath.
Electronic Models:
1. Disconnect the brewer from the power source.
2. Disconnect wires from heater(s).
3. Check for continuity across the tank heater termi-
1. Disconnect the brewer from the power source.
2. Disconnect wires from heater(s).
3. Check for continuity across the tank heater termi-
nals.
If continuity is present as described, 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 the heaters for cracks in the
sheath.
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 the heaters for cracks in the
sheath.
Removal and Replacement:
1. Remove wires from tank heater.
2. Remove the four #8-32 nuts securing tank heater
1. Remove wires from tank heater.
2. Remove the four #8-32 nuts securing tank heater
to tank lid.
3. Remove tank heater and gasket.
4. Install new tank heater and gasket with four #8-32
4. Install new tank heater and gasket with four #8-32
nuts on tank lid.
5. Refer to Fig. 31 when reconnecting the wires.
SERVICE (cont.)
TANK HEATERS
.
MI
NU
TE
S
BU
NN
-O
-M
AT
IC
P/
N
26
20
- 1
20
V
AC
STA
RT
ON /
W
ARM
ER
SE
LEC
TO
R
REA
DY
RE
AD
Y
ON
/ W
ARMER
ST
ART
1
1⁄2
ga
l
1 g
al
1⁄2
ga
l
SE
LE
CT
OR
1
1⁄2
ga
l
1 g
al
1⁄2
ga
l