50
EN
3.4.13 - BOILER HEAT EXCHANGER RE-
TURN PIPE INSTALLATION
• Install the D6 valve to the E4 boiler fit using
C8 gasket;
• Install the D3 pipe between D6 kit and the
DHW circuit flow from inner unit using C9
gasket.
3.4.12 - BOILER HEAT EXCHANGER DELI-
VERY PIPE INSTALLATION
• Install the D7 valve to the E3 boiler fit using
C8 gasket;
• Install the D4 pipe between D7 valve and
the DHW circuit flow from inner unit using C9
gasket.
3.4 - INSTALLATION
C8
C9
C8
C9
D4
D7
D6
D3
Wrong type of seal
Flooding due to water leaking
Wrong type of seal
Flooding due to water leaking
