Atag Blauwe Engel S-HR Series - Page 27

Installation instructions S-HR series page 27
1 heat exchanger
2 ignition unit
3 fan unit
4 air inlet damper
5 gas block
6 safety valve
7 automatic air vent
8 ceramic burner bricks
9 cylinder HWS (S-HR-T)
10 operating panel
boiler description figure 17
4
2
1
3
17
5
16
7
6T3
9
18
T2
C
11
E
1
K
13 14
15
WG19 A 10
R
T5
P1 T1
11 Control Tower
12 water filter return central heating
13 three-way valve (S-HR-T)
14 circulation pump
15 thermostatic mixing valve (S-HR-T)
16 flue gas discharge
17 combustion air supply
18 air unit
19 type plate
E