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22
21
1
2
3
4
5
12
11
10
9
8
15
14
13
18
28
17
27
19
20
16
M
R
S3
26
G
29
3
1.4
FUNCTIONAL DIAGRAM
Fig. 2
KEY
1 Fan
2 Air-gas mixer
3 Main exchanger
4 Gas flow rate adjuster (shutter)
5 Gas valve
8 Water flow switch
9 Thermometer sensor
10 SM sensor (thermister)
11 Aqua Guard Filter System
12 Safety stat 100°
13 Auto air vent
14 Circulating pump
15 Automatic by-pass
16 Temperature/pressure gauge
17 Boiler drain
18 Safety valve
19 Expansion vessel
20 Condensation water trap
21 Upper automatic air vent
22 Limit stat 90°
26 Gas cock
27 C.H. flow cock
28 C.H. return cock
29 Smoke stat 95°
Содержание Format System 25 HE
Страница 1: ...Format System 25 HE Installation and servicing instructions GB ...
Страница 21: ...19 7 EXPLODED VIEWS Fig 24 Position Code Description Model 7 1 HYDRAULIC CIRCUIT ...
Страница 22: ...20 Position Code Description Model 7 2 COMBUSTION CIRCUIT Fig 24 a ...
Страница 23: ...21 7 3 STRUCTURAL COMPONENTS AND CONTROL REGULATIONS Position Code Description Model Fig 24 b ...
Страница 25: ...Format System 25 HE User instructions GB PLEASE LEAVE THIS INSTRUCTION WITH THE USER ...
Страница 26: ......