Liebert EC FAN CW076 THRU CW114 - Manual

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LIEBERT
EC FAN LOWERING PROCEDURE & BLOCK OFF PANEL KIT INSTALLATION
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.
DOWNFLOW MODELS WITH EC FANS
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.
TOOLS NEEDED: 1/2" HEX SOCKET & WRENCH
FACTORY SUPPLIED JACK, CRANK
AND JACK SUPPORT
CABLE TIE CUTTER
LOWERING PROCEDURE (24" FLOOR HEIGHT MINIMUM):
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.
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.
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. 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.
2
1
1
3
5
5
"Z" BRACKET
LOCATION ON
CW026 - CW060
TOP VIEW OF FAN DECK
4
WIRING LOOP
FAN DECK
SECTION
NOT SHOWN
A
DETAIL A
JACK LOCATION
TABS
SECTION
NOT SHOWN
3
3
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.
B B
SECTION B-B
"Z" BRACKET
LOCATION ON
CW076 - CW114
"Z" BRACKET