Fetco CBS-2018 Technical Bulletin page 2

This board is used in both the CBS 18 and the TBS 21. When installing this board it is important
that the settings on this board are properly set for the brewer it is being installed into.
NOTE: Factory settings are indicated below.
CBS 18
FIG. 1
FIG. 2
CBS 18 FACTORY SETTING
JUMPER 1/ Board function:
OPEN
JUMPER 2/ Pre-wet function: OPEN
JUMPER 3/ Not used
JUMPER
JUMPER
1
2
NOTE TO INSTALLER: Set controls to these factory settings, or to
customers specification.
PULSE TIMER:
Recommended
setting is 20
seconds.
TEMPERATURE:
Recommended
setting is 205°F.
BREW TIME:
Recommended
setting is 3 minutes.
JUMPERS
JUMPER
3
PULSE TIMER:
Recommended
setting is 10
seconds.
TEMPERATURE:
Recommended
setting is 205°F.
BREW TIME:
Recommended
setting is 12
minutes.
2
TBS 21
ON TIME / PULSE
(SEC)
TEMP (F)
BREW TIME
(MIN)
FIG. 2
JUMPERS
TBS 21 FACTORY SETTING
JUMPER 1/ Board function:
CLOSED
JUMPER 2/ Pre-wet function: OPEN
JUMPER 3/ Not used.
JUMPER JUMPER
JUMPER
1
2
FIG. 1
3