Rockwell Automation Liqui-Flo AC Power Modules User Manual
Page 46
4-6
LiquiFlo AC Power Modules, Hardware Reference Version 6.4
4.3
Installing the DC Bus Reactor Fan (C-Frame Drives
Only)
A fan must be installed in the LiquiFlo drive enclosure to keep the DC bus reactor at
the proper operating temperature. The fan should be a Comair Rotron M/N PT2B3
rated at 0.26 amps, 31 watts, 235 CFM (115 VAC, 60 Hz), or equivalent.
Use the following procedure to install the DC bus reactor fan:
Step 1. Open the door of the enclosure.
Step 2. Mount the fan beneath the drive in the enclosure as shown in figure 4.4 such
that the air flow is directed up through the drive.
Step 3. Connect the fan to a 115 VAC, 60 Hz power source inside of the enclosure.
Step 4. Close the door of the enclosure.
Figure 4.4 – DC Bus Reactor Cooling Fan Mounting Location
Coolant
Connections
FAN
Floor
Enclosure
4.0" Max.
1.0" Min.
FAN
Airflow
0.0”
Clearance
Allowable
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