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INSTALLERUSERMAINTENANCE TECHNICIAN
1.29 BOILER COMPONENTS.
Key:
1 - System expansion vessel
2 - Burner
3 - Ignition/detection electrode
4 - Air intake pipe
5 - Flow probe
6 - Fan
7 - Condensate drain trap
8 - Gas nozzle
9 - Gas valve
10 - System draining valve
11 - Storage tank return ow by-pass
12 - Sample points (air A) - (ue gases F)
13 - Flue probe
14 - Condensation module
15 - Venturi
16 - Return probe
17 - System pressure switch
18 - Air vent valve
19 - Boiler pump
20 - 3 bar safety valve
21 - By-pass
22 - 3-way valve (motorised)
23 - Valve drain tting signal
24 - System lling valve
1.30 KITS AVAILABLE ON REQUEST.
• System cut-o valve kits with or without in-
spectionable lter (on request) e boiler is
designed for installation of system interception
cocks to be placed on ow and return pipes
of the connection assembly. is kit is very
useful for maintenance because it allows to
empty just the boiler without having to empty
the entire system. Moreover, the version with
lter preserves the functioning characteristics
of the boiler thanks to its inspectionable lter.
• Cover kit (on request). If installed outdoors in a
partially protected place with direct air intake,it
is compulsory to mount the appropriate top
protection cover for the correct functioning
of the boiler and to protect it from adverse
weather conditions.
• Cycloidal lter kit (on request). e magnetic
cycloidal filter is able to detect the ferrous
residues present in the system's water. anks
to the two cocks in the kit, it facilitates main-
tenance by cleaning the lter without having
to empty the circuit.
e above-mentioned kits are supplied complete
with instructions for assembly and use.
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