General
Components identifi cation
Hot water distribution unit
Pressure gauge
(0.5 – 1.5 bar)
Pipes to and from the
heat pump are con-
nected at the back
Heat pump
Manual air vent
Sight glass
Condenser
Low pressure
switch
Drying fi lter
Service connection
Three-way
valve
High pressure
Compressor
switch
12
Pump for heating
Three-way
system (G1)
valve
Service connection
Four-way valve
Expansion valve
Non-return valve
Mixing valve
Heat carrier
pump (G2)