4 Planning and installation – Installing the heating system
71
4.
Screw the DN40 nipple (5) into the flue gas pipe connection with
a pipe wrench.
5.
Place the lambda sensor (4) in its ceramic disc onto the DN40
nipple (5).
6.
Fasten the lambda sensor (4) to the DN40 nipple by screwing the
nut (3) down onto the ceramic disc.
✓
The flue gas temperature sensor and the lambda sensor are now
installed.
A
TTACHING
THE
PRESSURE
EQUALISATION
HOSE
7.
Place the rubber seal on the boiler end connection of the pressure
equalisation hose (2).
8.
Attach the pressure equalisation hose (2) to the connection
bushing of the boiler (1) using a pipe wrench.
9.
Set the position indicator (1) for the pressure equalisation regu-
lator to approximately "half open".
✓
The pressure equalisation hose is connected on the boiler side.
Figure 4/62 - Installing the pressure equalising hose
1
2
Figure 4/63 - Attaching the pressure equalisation hose
Zu
Auf
1