Table of Contents
Advertisement
1 9 Water circuit
SF
G
SC
10
Fan
1
Automatic bleed valve
2
Burner
3
Heat exchanger
4
Differential water and minimum pressure switch
5
Non-return valve
6
Pump
7
3-way cock
8
Delivery shut-off cock
9
Drain
10
Flue gas exhaust union with check valve and flue gas
11
analysis outlet
Gas valve
12
Gas cock
13
Safety cock (5.4 bar)
14
Water flow manifold
15
Water return manifold
16
Hydraulic separator
17
Drain cock
18
Shut-off cock
19
High temperature flow fitting
20
Low temperature flow fitting
21
AA
12
1
2
11
3
4
13
5
6
8
7
10
10
14
9
10
AA
12
1
2
11
3
4
19
13
5
25
6
8
26
7
27
9
15
16
18
Low temperature return fitting
22
High temperature return fitting
23
Fuel shut-off cock
24
Maximum pressure switch
25
Fuel shut-off cock probe
26
Heating delivery probe
27
Heating element delivery probe
28
Safety thermostat (triggering at 90°C)
29
Flue gas probe (triggering at 80°C)
30
Heating return probe
31
Air inlet
AA
Exhaust flue duct
SF
Condensate outlet
SC
Gas supply
G
24
28
G
29
2
20
30
31
21
17
22
23
10
Advertisement
Table of Contents
