Follett REF Series, Installation & Service Manual

10

Controller replacement

  1.  Disconnect power to unit:

    a. Push front panel rocker switch to OFF position.

    b. Switch circuit breaker to OFF position and disconnect power cord.

  2.  Remove 4 screws from front panel to access back of controller.

  3.  Disconnect front panel wiring harness from refrigerator at 5 pin connector.

  4.  Disconnect wiring from controller back.

  5.  Push in at center of orange* brackets to release and slide brackets back and off of controller.

  6.  Push controller out through front of front panel.

  7.  Insert controller through front of panel.

  8.  Slide brackets onto sides of controller and push against back of panel.

  9.  Reconnect wiring to controller.

 10.  Reconnect 2 and 3 pin connectors to refrigerator wiring harness.

 11.  Replace front panel, restore power and test operation. Reprogram replacement controller if necessary.

Wiring diagram

BLACK

BLACK

BLACK

RELAY

START

FAN

EVAP.

CONTROLLER

TEMPERATURE

BLUE

120 VAC

M

COND.
FAN

LOAD

C

R

S

S

COMP

OVER

CONDENSING UNIT

BLACK

L1

2

1

START

CAP.

WHITE

WHITE

L2

8

5

7

4