79
EN
4.6
Main water circuit
1
8
7
Sc
R
G
M
6
5
3
2
4
9
Fig. 7
KEY:
M Boiler delivery
R Boiler return
G Gas supply
Sc Condensate outlet
1
Delivery sensor
2
Fan
3
Gas valve
4
Water pressure transducer
5
Return sensor (SR)
6
Boiler drain valve
7
Condensate siphon outlet
8
Min. gas pressure switch
9
Safety thermostat
Содержание ALU HE 116
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