Personnel:
n
Operating personnel
1.
Switch off the device at the mains switch.
2.
Unscrew the cooling water hose from the threaded connection of the
water cooling intake.
3.
Carefully remove the water filter from the intake nozzle.
Use tweezers to remove/insert the water filter if necessary.
4.
Clean the water filter and then re-insert it in the intake nozzle.
5.
Screw the cooling water hose back on the threaded connection of the
water cooling intake.
7.7 Descale cooling water circuit
This section is relevant for:
n
Water-cooled devices
A pump or a funnel is used to fill the device with descaler via the water
cooling supply hose. The descaler flows back out through the water cooling
return hose and into a container with a sufficient volume (at least 10 liters).
Personnel:
n
Operating personnel
1.
Switch off the device at the mains switch.
2.
Dissolve the descaler in a bucket of water.
LAUDA descaler is required for the descaling process (cat-
alog number LZB 126, 5 kg pack). Read the safety infor-
mation and instructions on the packaging before using the
chemicals.
3.
Unscrew the cooling water hose from the threaded connection of the
water cooling intake.
4.
Remove and clean the water filter of the device. The water filter is
located in the water cooling intake nozzle.
You will find more information on cleaning the water filter in
Chapter 7.6 “Cleaning the water filter” on page 70
5.
Leave the cooling water hose on the outlet on the device. Place the
other end of the hose in a large container.
6.
Switch the device on and set the set point to 10 °C. After the cooling
unit has been started, fill the device with LAUDA descaler via the
water cooling supply hose. Use a pump or a funnel.
Fig. 66: Removing the water filter
Fig. 67: Descaling
V08
Variocool
71 / 97
Summary of Contents for VC 1200
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