Ariston 41-116-05 installation instructions F Ig, Gas And Water Circuits

FIG. 2.13

2.12GAS AND WATER CIRCUITS

FIG. 2.14

1

2

3

4

5

6

7

8

9

10

11

LEGEND:

1.Fan

2.Main heat exchanger

3.Overheat thermostat

4.Burner

175. Ignition electrodes

6.Detection electrode

167. Regulation thermostat

8.Frost thermostat

9.Gas valve

10.Pump pressure switch

11.Safety valve (3 bar)

12.Boiler drain valve

13.Automatic by-pass

14.Pressure gauge

15.Circulation pump with automatic air release valve

16.Expansion vessel

1517. Air pressure switch

A. Central Heating Flow

14B. Inlet Gas

13C. Central Heating Return

12

12