Munters HCUw, Operating & Maintenance

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3G3JV Maintenance Operations
Chapter 7
3. Slide the protective tube and remove the internal connector.
4. Remove the Fan from the fan cover.
5. Mount the new Fan on the fan cover. At this time, make sure that the wind direction of the Fan
will be in the direction of the heat radiation fin.
6.
7.
Attach the connector, cover the connector with the protective tube, and insert the connector
into the
cover.
8. Mount the fan cover with the new Fan to the lower part of the heat radiation fin. Make sure that
the fan cover snaps on securely with the heat radiation fin.
• Replacing Cooling Fan of 108-mm-wide Inverter Model
1. Dismount the front cover, bottom cover, and fan connector CN4. Press the left and
right sides of the fan cover located on the lower part of the radiation fin in the arrow 1
directions. Then lift the bottom of the fan in the arrow 2 direction to remove the fan as
shown in the following illustration
2. Disconnect the wire from the electrical inlet on the bottom of the plastic casing.
3. Remove the Fan from the fan cover.
4. Mount the new Fan on the fan cover. At this time, make sure that the wind direction of the
fan will be in the direction of the heat radiation fin.
5. Mount the fan cover with the new Fan to the lower part of the heat radiation fin. Make
sure that the fan cover snaps on securely with the heat radiation fin.
6. Wire the power line through the electrical inlet on the bottom of the plastic casing and
the wiring groove into the internal circuitry of the Inverter.
Attach the wire to connector CN4 and attach the bottom cover and front cover.
Cooling fan connector
(CN4 built in)
Wiring groove
Heat radiation fin (Heat sink)