9 Decommissioning
9.1 Drain the device
Personnel:
n
Operating personnel
WARNING!
Contact with hot or cold heat transfer liquid
Scalding, cold burns
Bring the heat transfer liquid to room temperature before
draining.
Also note the following:
n Observe the regulations for the disposal of used heat transfer liquid.
1. Switch o the device.
2. Let the device and the heat transfer liquid cool down or heat up to
room temperature.
3. Position a container with appropriate capacity directly under the drain
tap.
Several draining processes are required for devices with high
fill capacity.
4. Open the drain tap. Turn the lever to the right for this.
9.2 Draining the condenser
This section is relevant for:
n Water-cooled devices
Personnel:
n
Operating personnel
1. Bring the device to a temperature of approx. 20 °C. Switch the device
o.
2. Close the cooling water intake.
3. Unscrew the cooling water hose from the threaded connection of the
water cooling intake.
4. A water filter is located in the water cooling intake nozzle. Carefully
remove the water filter from the intake nozzle.
You will find more information on removing the water filter in
Ä Chapter 7.6 “Cleaning the water filter” on page 70.
5. Clean the water filter of the device. Then re-insert it in the intake
nozzle.
6. Leave the cooling water hose on the outlet on the device. Place the
other end of the hose in a drain or a large container.
Fig. 70: Cooling water connection socket
V08 Variocool 79 / 97
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