SERVICE (cont.)

LIMIT THERMOSTAT

 

 

 

 

 

 

 

 

 

 

-REAR

 

 

 

 

 

 

 

 

 

NT-S

IDE

 

 

 

 

 

 

 

 

 

FRO

 

 

 

 

 

 

 

 

 

 

START

 

 

 

 

 

 

 

 

 

 

ER

 

 

 

 

 

 

 

 

 

ON/L

OW

 

 

 

 

 

 

 

 

-RE

AR

 

 

 

 

 

 

 

 

 

NT-SIDE

 

 

 

 

 

 

 

 

 

 

FRO

 

 

 

 

 

 

 

 

 

 

RT

 

 

 

 

 

 

 

 

 

 

STA

 

 

 

 

 

 

 

 

 

 

ER

 

 

 

 

 

 

 

 

 

 

ON/LOW

 

 

 

 

 

 

 

K

D

 

 

 

 

 

 

 

 

 

C

 

M

 

 

 

 

.

 

R

DW

N

ATR

 

 

 

 

 

B

 

E

H

LE

 

 

 

 

 

 

 

E

O

 

 

 

 

 

 

 

 

 

T

 

 

 

 

 

 

 

.

 

M

 

 

 

 

 

 

 

 

TS

E

 

 

 

 

 

 

 

 

NEL HO

 

 

 

 

 

 

 

 

 

FUN ARE

E TO

 

 

 

 

 

 

 

 

 

FAILUR

 

 

 

 

 

 

 

 

 

 

FIG. 11 LIMIT THERMOSTATS

P1878

 

Location:

The limit thermostats are located inside the front access panel on the front side of the tanks.

Test Procedures:

1.Disconnect the brewer from the power source.

2.Disconnect the blue and black wires from the limit thermostat.

3.With an ohmmeter, check for continuity across the limit thermostat terminals.

If continuity is present as described, the limit thermo- stat is operating properly.

If continuity is not present as described, replace the limit thermostat.

Removal and Replacement:

1.Remove the black and blue wires from limit ther- mostat terminals.

2.Carefully slide the limit thermostat out from under the retaining clip and remove limit thermostat.

3.Carefully slide the new limit thermostat into the retaining clip.

4.Refer to FIG. 12 when reconnecting the wires.

BLU from Control

Board

BLK from Terminal

Block

P1800

FIG. 12 LIMIT THERMOSTAT WIRING

Page 29

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Page 29
Image 29
Bunn TWIN service manual Limit Thermostats

TWIN specifications

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