LIEBERT
EC FAN LOWERING PROCEDURE & BLOCK OFF PANEL KIT INSTALLATION
DOWNFLOW MODELS WITH EC FANS
WARNING -RISK OF ELECTRIC SHOCK AND HIGH SPEED ROTATING FAN BLADES! CAN CAUSE INJURY OR DEATH!
DISCONNECT ALL LOCAL AND REMOTE ELECTRIC POWER SUPPLIES AND VERIFY THAT FAN BLADES HAVE STOPPED
ROTATING BEFORE WORKING WITHIN.
WARNING - RISK OF FAN MODULES DROPPING DOWNWARD SUDDENLY! CAN CAUSE INJURY OR DEATH! SUPPORT FAN
MODULES BEFORE REMOVING MOUNTING HARDWARE. USE CAUTION TO KEEP BODY PARTS OUT OF THE FAN MODULES
PATHWAY OF MOVEMENT DURING REPOSITIONING. ONLY QUALIFIED PERSONNEL SHOULD WORK ON THIS EQUIPMENT.
LIEBERT CW041 UNIT SHOWN WITH LIEBERT 24" FLOORSTAND. CUSTOMER UNIT MAY
APPEAR DIFFERENT. READ USER MANUAL AND INSTRUCTION SHEET
195788 BEFORE RE-POSITIONING THE FAN MODULES.
1
3
2
TABS
1
3
A
DETAIL A
JACK LOCATION
SECTION
NOT SHOWN
B
B
TOOLS NEEDED: 1/2" HEX SOCKET & WRENCH
FACTORY SUPPLIED JACK, CRANK
AND JACK SUPPORT
CABLE TIE CUTTER
SECTION
NOT SHOWN
LOWERING PROCEDURE (24" FLOOR HEIGHT MINIMUM):
3
1. REMOVE THE MIDDLE AND BOTTOM PANELS
FROM THE FRONT OF THE UNIT.
2. FOR EASE OF FAN LOWERING, REMOVAL OF
THE HUMIDIFIER PAN IS RECOMMENDED.
FAN DECK
3. POSITION THE FACTORY SUPPLIED JACK AND
JACK SUPPORT UNDER THE FAN MODULE TO
BE LOWERED. USING THE CRANK, RAISE THE
JACK TO SAFELY SUPPORT THE FAN BEFORE
REMOVING ANY HARDWARE.
NOTE: A PROPERLY POSITIONED JACK WILL BE
CENTERED BETWEEN THE FIRST AND SECOND
SET OF TABS ON THE JACK SUPPORT.
"Z" BRACKET
LOCATION ON
CW026 - CW060
5
4. CUT & REMOVE THE CABLE TIE THAT RETAINS
THE WIRING LOOP TO THE BLOWER MOUNTING
PLATE. ALL OTHER CABLE TIES THAT ROUTE
THE FAN WIRING SHOULD REMAIN INTACT.
5
"Z" BRACKET
LOCATION ON
CW076 - CW114
4
5. REMOVE THE SIX HEX-HEAD SCREWS AND
"Z" BRACKETS USING A 1/2" HEX SOCKET OR
WRENCH. RETAIN HARDWARE FOR LATER STEPS.
"Z" BRACKETS NOT PRESENT ON LIEBERT DS,
CW146 AND CW181.
"Z" BRACKET
WIRING LOOP
SECTION B-B
TOP VIEW OF FAN DECK
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LIEBERTR CW
EC FAN BLOCK OFF PANEL KIT INSTALLATION
DOWNFLOW MODELS CW026 THRU CW084 AND CW106, CW114 WITH EC FANS
WARNING -RISK OF ELECTRIC SHOCK AND HIGH SPEED ROTATING FAN BLADES! CAN CAUSE
INJURY OR DEATH! DISCONNECT ALL LOCAL AND REMOTE ELECTRIC POWER SUPPLIES AND
VERIFY THAT FAN BLADES HAVE STOPPED ROTATING BEFORE WORKING WITHIN.
WARNING - RISK OF FAN MODULES DROPPING DOWNWARD SUDDENLY! CAN CAUSE INJURY OR
DEATH! ONLY QUALIFIED PERSONNEL SHOULD WORK ON THIS EQUIPMENT.
LIEBERT CW041 UNIT SHOWN WITH LIEBERT FLOORSTAND. CUSTOMER UNIT MAY APPEAR
DIFFERENT. READ USER MANUAL SL-18057 AND INSTALLATION INSTRUCTION SHEET 301271P1
BEFORE INSTALLING BLOCK OFF PANEL KIT. SEE INSTALLATION INSTRUCTION SHEET 301271P1 FOR
SPECIFIC BLOCK OFF KIT PART NUMBERS.
FASTENERS
BLOCKOFF PANEL
APPLICATION:
FOR UNITS UTILIZING OPTIONAL BLOCK OFF KIT
WITH FANS OPERATED IN THE UP POSITION
(FANS IN UNIT).
REFER TO BLOCK OFF PANEL KIT INSTALLATION
INSTRUCTIONS 301271P1 FOR DETAILED
INSTALLATION PROCEDURE.
NOTE: THE FANS MUST BE OPERATED IN EITHER
THE FULLY RAISED POSITION OR FULLY LOWERED
POSITION. NO OTHER COMBINATION OF FAN
POSITIONING IS SUPPORTED.
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