WARNING!
Overflow of heat transfer liquid due to increase in volume
caused by heating
Scalding, electric shock
Take into account the increase in volume caused by heating
of the heat transfer liquid.
CAUTION!
Risk of heat transfer liquid escaping
Slipping hazard
Draining tap must be closed.
Heat transfer liquids expand when heated (approx. 10 % for every
100 °C). If an external consuming unit is connected, expansion
occurs exclusively in the thermostat bath.
1. Close the draining tap by by turning it clockwise.
2. Carefully fill the bath with heat transfer liquid.
The recommended fill level in the bath thermostat is between
30 and 100 mm below the upper edge of the bath.
Overlevel handling is initiated at a fill level of 25 mm below the
upper edge of the bath. The customer can adjust overlevel handling
as required. A low level warning is issued at approx. 110 mm and a low
level alarm is triggered at approx. 120 mm below the upper edge of the
bath.
The device has a filling mode for convenient filling of the heat transfer liquid.
Filling mode helps you fill the device.
1. Close the draining tap by by turning it clockwise.
2. Attach a suitable hose (heat transfer liquid/temperature) to the over-
flow connection on the device.
3. Place the end of this hose into a suitable canister to collect the
overflowing heat transfer liquid.
Bath thermostat
Fig. 24: Filling the bath thermostat
Circulation thermostat
V6PRO bath thermostats and circulation thermostats62 / 156
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