LINE VOLTAGE
TERMINAL BLOCK
MAIN POWER
SWITCH
TRANSFORMER
CONTROL BOARD
Access to Electrical Components
(SSLFHFD-FP-MEA)
WARNING!
Disconnect the unit from the electrical power source before attempting to service the unit.
Step 1 -- Using a flat screwdriver, release the face frame by rotating the four (4) fasteners a 1/4-turn
counter clock-wise. Unhook the safety cables from the filter clips. Set the frame aside.
Step 2 -- Turn the unit off with the switch located on the frame of the unit.
Step 3 -- Disconnect the unit at the power source or at the service panel in accordance with OSHA (LOTO)
practices and procedures.
Step 4 -- Remove the HEPA filter and the pre-filter and set aside. See sections 2 and 3 for instructions.
Step 5 -- Using a flat screwdriver, release the mid panel by rotating the three (3) fasteners a
1/4-turn counter clock-wise. Allow panel to swing down to vertical and remove from
unit. Set aside.
Step 6 -- Use a 5/16” hex driver to remove screws holding electrical access panel
(Find them in the ø1/4" round holes in foam). Slide panel over to release
from the slots.
Step 7 -- To remove transformer:
Step 7a -- Disconnect all wires from terminals. See wiring diagram for replacing wires.
Step 7b -- Using a 1/8" drill bit, drill out the two rivets. Clean debris.
Step 7c -- Use new 1/8" rivets or #6 screws to install replacement transformer.
Step 8 -- To remove control board:
Step 8a -- Use a 5/16” hex driver to remove screws holding control board bracket.
Step 8b -- Remove the two red plugs and use a small screw driver to remove power wires.
Step 8c -- Using a 1/8" drill bit, drill out the two rivets holding control board to bracket. Clean debris.
Step 8d -- Use new 1/8" rivets or #6 screws to install replacement board.
Step 11 -- Reverse above steps to replace electrical components and to replace panels.
DRAWING NAME
DRAWN
CATEGORY
CHKD
APRVD
PRODUCT
SIZE
TAG
QTY
BRS/SLG
01/24/22
CRITI-CLEAN ORIGINAL INSTALLATION MANUAL
SSLFHFD-FP, SSLFHFD-FP-MEA
REV # F
SHT 12 29
/
SCL
DO NOT
SCALE
1:12
STAINLESS STEEL
CRITI-CLEAN ORIGINAL
FAN FILTER UNITS
