Lauda VC 1200, Operating Instructions Manual

Page: 82 / 112

Personnel: n Operating personnel
1. Switch off the device using the mains power switch.
2. Unscrew the cooling water hose at the inlet of the water
cooling unit from the threaded connection neck.
3. Carefully remove the water filter from the inlet connection
spigot.
Use tweezers if necessary to remove / insert the
water filter.
4. Clean the water filter and then put it back into the inlet con-
nection spigot.
5. Screw the cooling water hose at the inlet of the water cooling
unit back again.
7.7 Decalcifying cooling water circuit
This section is relevant for the following:
n For water-cooled devices
The decalcifying agent is fed to the device through the water
cooling inlet hose using a pump or a funnel. The decalcifying agent
flows back through the return flow hose of the water cooling unit
and should be directed into a container with sufficient storage
capacity (at least 10 litres).
Personnel: n Operating personnel
1. Switch off the device using the mains power switch.
2. Dissolve the decalcifying agent in a bucket of water.
Decalcification requires LAUDA decalcifying agent
(catalogue number LZB 126, 5 kg packaging).
Read the safety instructions and the instructions
for use on the packaging for handling the chem-
ical.
3. Unscrew the cooling water hose at the inlet of the water
cooling unit from the threaded connection neck.
4. Remove and clean the water filter of the device. The water
filter is located in the inlet spigot of the water cooling unit.
Further information for cleaning the water filter can
be found in Ä Chapter 7.6 ‘Cleaning water filter’
on page 81 .
5. Leave the hose for the cooling water return flow screwed to
the device. Insert the other end of the hose into a large con-
tainer.
Fig. 72: Removing water filter
Fig. 73: Decalcification
Maintenance
Variocool 82