Fetco CBS-2018 Service manual

NUMBER
TECHNICAL
BULLETIN 7
www.fetco.com
email : [email protected]
FETCO ♦640 Heathrow Drive ♦Lincolnshire, IL 60069 USA ♦Tel. [phone] or [phone] ♦Fax: [phone]
Subject: CONTROL BOARD PART # 51018 Date: October 17, 2001
Applies to: CBS 18 COFFEE BREWER AND TBS 21 TEA BREWER
FIG. 1
Wiring placement for brewer
WITHOUT limit thermostat.
THE CBS 18 / TBS 21 brewer was originally manufactured
without a limit thermostat. The brewer has since been
changed and is now manufactured with a 230°F. limit
thermostat. Carefully review FIGURE 1 & 2 for proper
installation of new control board.
NOTE: This is a blow-up of the relay block located in the
upper left corner of the control board.
FIG. 2
Wiring
placement for
brewer
WITH
limit
thermostat.
Connect remaining gray wire from
limit thermostat to terminal #2 on
relay block. Discard orange jumper
wire shipped with control board.
ORANGE
RED
GRAY
RED
RED
RED
GRAY
Red wire from board
(J12) terminates at a fully
insulated female bullet
connector. This wire will
connect to the orange
j
umper wire shipped with
this control board. The
orange jumper wire will
then connect to terminal
# 2 on relay block.
Red wire from board
(J13) terminates at
relay terminal # 1.
Red wire from board
(J13) terminates at
relay terminal # 1.
Red wire from board (J12)
terminates at a fully insulated female
bullet connector. This wire will
connect to gray wire from limit
thermostat terminating at fully
insulated male bullet connector.

2
ON TIM E / P ULS E
(SEC)
TEMP ( F)
BR EW T IM E
(MIN)
NOTE TO INSTALLER: Set controls to these factory settings, or to
customers specification.
FIG. 1 FIG. 1
PULSE TIMER:
Recommended
setting is 10
seconds.
TEMPERATURE:
Recommended
setting is 205°F.
BREW TIME:
Recommended
setting is 12
minutes.
PULSE TIMER:
Recommended
setting is 20
seconds.
TEMPERATURE:
Recommended
setting is 205°F.
BREW TIME:
Recommended
setting is 3 minutes.
CBS 18 FACTORY SETTING JUMPERS
JUMPER 1/ Board function:
OPEN
JUMPER 2/ Pre-wet function: OPEN
JUMPER 3/ Not used
TBS 21 FACTORY SETTING JUMPERS
JUMPER 1/ Board function:
CLOSED
JUMPER 2/ Pre-wet function: OPEN
JUMPER 3/ Not used.
FIG. 2 FIG. 2
CBS 18 TBS 21
JUMPER
1
JUMPER
2
JUMPER
3
JUMPER
1
JUMPER
2
JUMPER
3
T
his 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.