16.11 Replace A Fan; Fan Replacement On 600Mm (24") Models; Figure 142 Liebert Crv Fan Assembly Components - Emerson Liebert CRV User Manual

16.11 Replace a Fan

16.11.1Fan Replacement on 600mm (24") Models

Refer to Figure 142 for the fan assembly components.
WARNING
!
Risk of electric shock and contact with high speed rotating fans. Can cause injury or death.
Open all local and remote electric power disconnect switches, verify that power is off with a
voltmeter and verify that all fans have stopped rotating before working inside the unit cabinet
or disconnecting the fan power wires.
1. Shut off all power to the unit by closing the main disconnect switch on the electrical panel on the
rear of the Liebert CRV.
2. Open the front door.
3. Open the panel assembly that contains the fans, using the quarter-turn latches.
4. Disconnect the fan's power connections in the electrical junction box.
5. Remove the fan frame assembly by removing the bolts in the corner; there are four bolts at each
corner.
6. Set the fan assembly in a work area.
7. Remove the four bolts attaching the fan to be replaced to the fan frame assembly.
8. Reverse the steps to install the replacement fan.

Figure 142 Liebert CRV fan assembly components

Fan Mounting Plate
(four bolts attach fan
Fan Assembly
Corner Brace
with Four Bolts
Fan Assembly
Corner Brace
with Four Bolts
Two Bolts Each
Side of Fan
Fan
Electrical
Junction
Box
Fan
Fan
169
Maintenance
Fan Assembly
for 600mm (24")
Models Shown
Electrical Junction Box
Fan
Electrical
Wire Entry
® ™
Liebert CRV