14
1
4
3
2
1
5
7
6
Hydraulic connections
1: Check valve
2: Pressure reducing valve
3: Test valve
4: Non-return valve
5: Manometer connection piece
6: Drain valve
7: 6.0 bar safety valve
If you connect your heat pump to a boiler or a solid fuel
boiler, make sure that the maximum temperature of the do-
mestic hot water does not exceed 65 °C and that the pres-
sure in the accessory heat exchanger does not exceed 3
bar! Comply with all applicable local rules, which means
that deviations from the above are possible.
Heating circuit
Heating Boiler
Temperature
sensor
Heating pump
Circulation pump
Exhaust
Supply air/Extract air heat pump
Emptying
Cold water connection
Drain valve lowermost to drain
unit
