Appliance Description; Overview; Isolation Valves - Biasi ADVANCE 25S User Manual

1

APPLIANCE DESCRIPTION

1.1

Overview

The model and serial number of the boiler is
shown on the bottom of the boiler.
Fig. 1.1
1 Controls panel
2 Housing for optional time switch (C.H.
control)
3 C.H. pressure gauge
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APPLIANCE DESCRIPTION
3
2
1
1.2

Isolation valves

4
5
Fig. 1.2
4 Gas supply label
5 C.H. flow valve
6 Gas inlet valve
7 C.H. return valve
8 Model and serial number of the boiler
label.
9 Condensate drain pipe
10 Main circuit drain valve
11 C.H. pressure relief valve pipe
11
10
9
8
7
6