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J RR - Heating and tank return
C
B
95
35 165
85
255
D
I
G
H
F
83
6
5
5
2
6
4
6
5
400
Figure 5.2
5.5 Fittings
The boiler uses the following fittings:
Cock
MR
MB
Gas
G 3/4 MF
RC
G 1/2 MF
RR
G1/2F 3 bar safety valve fitting
5.6 Boiler assembly
• Remove the protective caps from the boiler
pipes.
• Hook the boiler onto the bracket.
• Insert the check valve (A) inside the "fill
heating circuit" fitting and put the gasket with
filter in place (B) (Figure 5.3)
• Screw the cock on the boiler.
INSTALLATION
C
237
AB
A
147
F-G
H-I-J
J
105
E
325
Pipe ø
Ø 16/18
Ø 16/18
Ø 16/18
Ø 12/14
Ø 16/18
A
Figure 5.3
• Tighten the quick fittings and taps on the hy-
draulic system.
Figure 5.4
• Install a shut-off cock on the DHW inlet. The
purpose of the cock is to hydraulically iso-
late the unit, making normal maintenance
possible.
• If the hydraulic heating system is higher
than the boiler surface, cocks should be in-
stalled in order to disconnect the system for
maintenance purposes.
• Block the pipes by placing 1/2" and 3/4" gas-
kets between the boiler fittings.
• Carry out a leakage test for the gas supply
system.
• Connect the safety valve discharge 6 (Fig-
ure 5.5) to an outlet funnel.
B
- 29 -
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