10
1- 10
INS
TALL
AT
O
R
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
Key:
1 - Fumes hood
2 - primary heat exchanger
3 - Air bleeding valve
4 - Boiler circulation pump
5 - Gas valve
6 - 3-way valve (motorised)
7 - System filler tap
8 - System expansion tank
9 - Domestic water probe
10 - Stainless steel boiler
11 - 3 bar safety valve
1.19 BOILER COMPONENTS.
12 - System emptying tap
13 - 8 bar safety valve
14 - Boiler emptying cock
15 - Fumes thermostat
16 - Delivery probe
17 - Safety thermostat
18 - Combustion chamber
19 - Ignition and detection plugs
20 - Burner
21 - Adjustable by-pass
Summary of Contents for AVIO 24 2 ERP
Page 27: ......
