Fetco CBS-2018, TBS-21A, CBS 18, TBS 21 Technical Bulletin

TECHNICAL

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BULLETIN

Subject:

CONTROL BOARD PART # 51018

NUMBER

7

Applies to: CBS 18 COFFEE BREWER AND TBS 21 TEA BREWER

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.

ORANGE

FIG. 1

Wiring placement for brewer

WITHOUT

limit thermostat.

www.fetco.com

email : [e-mail]

Date: October 17, 2001

Red wire from board
(J12) terminates at a fully
insulated female bullet
connector. This wire will
connect to the orange

umper wire shipped with

this control board. The

RED

RED

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 (J12)
terminates at a fully insulated female
bullet connector. This wire will
connect to gray wire from limit
thermostat terminating at fully

RED

RED

FIG. 2

Wiring
placement for
brewer

WITH

limit
thermostat.

GRAY

GRAY

insulated male bullet connector.

Red wire from board
(J13) terminates at

Connect remaining gray wire from
limit thermostat to terminal #2 on
relay block. Discard orange jumper
wire shipped with control board.

FETCO ♦ 640 Heathrow Drive ♦ Lincolnshire, IL 60069 USA ♦ Tel. [phone] or [phone] ♦ Fax: [phone]

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.

CBS 18 TBS 21

FIG. 1 FIG. 1

PULSE TIMER:

Recommended
setting is 20
seconds.

TEMPERATURE:

Recommended
setting is 205°F.

BREW TIME:

Recommended
setting is 3 minutes.

PULSE TIMER:
Recommended
setting is 10
seconds.

TEMPERATURE:

Recommended
setting is 205°F.

BREW TIME:

Recommended
setting is 12
minutes.

ON TIME / PULS E

(SEC)

TEMP ( F)

BREW TIM E

(MIN)

FIG. 2 FIG. 2

CBS 18 FACTORY SETTING

JUMPER 1/ Board function:
OPEN
JUMPER 2/ Pre-wet function: OPEN
JUMPER 3/ Not used

JUMPERS

TBS 21 FACTORY SETTING

JUMPER 1/ Board function:
CLOSED
JUMPER 2/ Pre-wet function: OPEN
JUMPER 3/ Not used.

JUMPER

1

JUMPER

2

JUMPER

3

JUMPER

1

JUMPER

2

NOTE TO INSTALLER: Set controls to these factory settings, or to
customers specification.

JUMPERS

JUMPER

3

2