Rittal air/water heat exchanger
21
8 Draining, storage and disposal
EN
7.2
Fan replacement
Open the door of the air/water heat exchanger.
On the front of the cover, pull out the two connectors
"Signal" and "Power" for the fan you wish to replace.
Fig. 22:
Fan replacement
Key
1
Rear fan
2
Assembly screws, front fan
3
Front fan
4
"Power" connector
5
"Signal" connector
Loosen and remove the fan's four assembly screws.
Pull the fan forwards and upwards out of the air/water
heat exchanger.
Fit a new fan in the reverse order.
8
Draining, storage and disposal
During storage, the air/water heat exchanger must stand
upright.
Disposal can be performed at the Rittal plant.
Please contact us for advice.
During storage and transportation below freezing point,
the air/water heat exchanger should be drained:
Open the inlet and return on the top of the device.
Open the drain valve (fig. 1, item 12).
Open the magnetic valve by simultaneously pressing
keys 2 (°C) and 3 ("Set") (fig. 16) on the e-Comfort
controller for 5 seconds.
The magnetic valve will then be opened for approxi-
mately 5 minutes.
Use compressed air to drain the heat exchanger in the
direction of the water outlet.
2
4
2
2
3
1
2
5
Note:
The air/water heat exchanger must not be
subjected to temperatures above +70°C dur-
ing storage.
