Rittal Liquid Cooling Package
41
9 Inspection and maintenance
9
9
Inspection and maintenance
The following maintenance work should be carried out
on the LCP DX:
– The condensate water discharge device should be
checked regularly for correct functioning.
– Regularly check the coolant circuit and all main com-
ponents for correct functioning (at least once a year
according to DIN EN 378).
– Regularly check for leaks using a suitable device (an-
nually) as required by the F-gas regulation (see
section 2.3.3 "F-gas regulation" and section 2.3.4
"Chemicals – Climate Protection Ordinance").
9.1
Safety instructions concerning mainte-
nance work
Ensure that the personnel carrying out essential main-
tenance work wears the required personal safety
equipment (see section 2.2.1 "Personal safety equip-
ment").
For all maintenance work, please ensure that the LCP
DX is switched off completely at the master switch and
secured against re-activation.
9.2
Cleaning the heat exchanger
During regular checks of the device, if you ascertain any
dirt in the heat exchanger it must be cleaned.
Use compressed air or a vacuum cleaner with the
brush attachment to clean the heat exchanger.
9.3
Fan installation
If a fan module is defective, it can be replaced quickly
and easily with the unit operational.
Proceed as follows to remove a fan module:
Open the front door of the LCP DX.
On the electronics box, deactivate the switch for the
fan you wish to replace.
Fig. 38:
Electronics box – front
Key
1
Switch for fan 1 (top fan in the LCP DX)
2
Switch for fan 2
3
Switch for fan 3
4
Switch for fan 4 (bottom fan in the LCP DX)
Release the two DC and AC fan connectors on the left
and right (fig. 39, items 2 and 6).
Disconnect the PE conductor connection on the fan
(fig. 39, item 3).
Loosen the two fixing screws, right and left, at the top
and bottom of the fan air baffle plates.
Fig. 39:
Fan module in fan tray
Key
1
Air baffle plate
2
DC connection cable (control voltage)
3
PE conductor connection
4
Fan
5
Handle
6
AC connection cable (power supply)
Rotate the fan module in the rack in a clockwise direc-
tion by 90° (fig. 40).
Grasp the fan module with both hands on the left and
right, and pull it out of the rack.
Caution! Risk of injury!
Before installing or removing a fan, be
sure to de-energise the relevant fan on
the corresponding switch.
Note:
At an ambient temperature of 40 °C, the
nominal service life of the built-in fan is
40,000 operating hours.
1
2
3
4
5
6
4
2
1
3
1
