STAINLESS STEEL
SSLFHFD-FFU
CRITI-CLEAN ULTRA FAN FILTER UNIT
Removal of Main Control Board
WARNING!
Disconnect the unit from the electrical power source before attempting to service the unit.
Step 1 -- Access the unit's electrical box per instructions based on the model you have. (See pages 11-12)_
Step 2 -- Remove the two screws holding the control board face plate to the fan filter unit.
Step 3 -- If applicable, disconnect the CAT5e cables from RJ45 jacks on the front of the board.
Step 4-- Disconnect the motor (red 4-pin plug), the face control board (red 5-pin plug), and the safety
switch (red 2-pin plug) from the main control board by pulling the plug straight out from the board.
Step 5 -- Using a small blade screwdriver, disconnect power supply wires from the control board terminal block.
Step 6 -- To install a new board, repeat above steps in reverse order.
CONTROL BOARD
FACE PLATE
FACE DISPLAY/CONTROL
BOARD PLUG
MOTOR PLUG
SAFETY SWITCH
PLUG
POWER TERMINAL
BLOCK
RJ45 JACKS
INSTALL AND OPERATION
DRAWING NAME
DRAWN
MATERIAL
CHKD
APRVD
FINISH
SIZE
ENGINEER
CONTRACTOR
TAG
QTY
BRS
REV # E
SHT 13 30
/
SCL
DO NOT
SCALE
1:10
JOB NAME
