32
Fitting the nuts:
Turn each nut of the ttings on the boiler connections by hand and tighten each nut with a wrench. Note: 1/2"
with 25Nm and 3/4"with 40Nm.
Fitting expansion vessel hose:
Take the end of the exible expansion vessel hose and t it to the 3/8" boilers expansion vessel connection
using a bre washer.
Fitting siphon:
- Press and turn the assembly (3), with the elbow rst, in the corresponding holes in the bottom plate of the
boiler.
- Press the black rubber elbow with exible drain pipe (1) on the condensate tray (2)
- Press the black exible pipe (1) from inside the boiler in the rubber T-piece (3).
- Lead the long black exible pipe (4) through the free hole of the boiler frame and press it in the T-piece (3)
- Lead the other end of the exible pipe outside the boiler to the drain as installed according to chapter 9.7.
- Fill the siphon cup (5) with 150 ml water, insert the siphon pipe (6) in the siphon cup (do not press)
and insert this through the hole in the bottom plate of the boiler into the condensate tray (2) of the heat
exchanger without any force. Secure the siphon cup with the securing clip (7) by turning it clockwise
(click!).
- Press the sealing ring (8) around the siphon cup and press/turn it in the bottom plate of the boiler.
Before putting the boiler into operation ll the siphon with 150 ml of water.
1
2
3
4
5
6
7
8
Figure 9.9.c
Figure 9.9.d
Figure 9.9.e
Note:
Pressure relief valve outlet is
combined with condensate outlet.
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