Expansion Tank - IVT Greenline HT Plus C Assembly, Commissioning And Maintenance Manual

Expansion tank

A plastic expansion tank is connected to the heat pump heat transfer circuit
(cold side). The level in the tank should not fall below the minimum level
1/3. If the fl uid level is too low, contact your dealer. After agreeing with
your dealer fi lling can take place as set out below:
The heat pump must be operational all the time while fi lling.
1. Remove the cover on the valve on top of tank. Now carefully open the
valve (fi gure 1).
2. Check that the valve is fully open (fi gure 2).
3. Fill with anti-freeze or water (to 2/3) with the help of a clean watering
can or the like (fi gure 3).
4. Close the valve and fi nish by screwing on the cover (fi gure 4).
Figure 1
Figure 2
29
Figure 3
Maintenance
Max.
level
Min.
level
Figure 4