Lauda IN 130 T Operation Manual page 154

Fig. 89
Fig. 90
Draining the high-temperature thermostat
154 / 198
Protective equipment:
The drain taps and drain nozzles are located on the right hand side of all
devices.
1. Allow the device and heat transfer liquid to cool or warm up to room
temperature.
2. Screw the hose nozzle with a union nut (EOA 078) onto the drain
nozzle (3/8" exterior thread). There are two drain nozzles from the
Integral 550 XT and higher.
3. Insert a hose on the hose nozzle for draining. Place the hose in a
suitable container to collect the heat transfer liquid.
4. Open the drain tap. To do this, turn the tap counterclockwise.
5. Allow the device to run empty.
6. After the device has run empty, remove the hoses from the external
consumers. Drain the heat transfer liquid in the hoses into a suitable
container.
7. After draining close the drain tap or taps.
The high-temperature thermostat is in standby mode.
1. Screw the hose nozzle with a union nut (EOA 078) onto the drain
nozzle (3/8" exterior thread).
2. Insert a hose on the hose nozzle for draining. Place the hose in a
suitable container to collect the heat transfer liquid.
3. Press the Enter key to open the menu.
4.
Select the menu items  Fill mode  Drain  on off.

5. Allow the device to run empty.
6.
Select the menu items  Fill mode  Drain  off off.

Integral Process Thermostats and High-Temperature Thermostats
Safety glasses
n
Protective gloves
n
Protective work clothing
n
It may be necessary to drain the device several times if the
filling volume is high.
The high-temperature valve in the device is set in such a way that
the bypass line also runs empty.
The high-temperature valve closes.
V6