1
APPLIANCE DESCRIPTION
1.1
Overview
Fig. 1.1
1 Case front panel
2 Control panel
3 Control panel cover
1.2
Control panel
4 C.h. circuit temperature and pressure gauge
5 Lock--- out signal lamp
6 Lockout reset button
7 Function selector and c.h. temp. control knob
8 Service knob
9 Appliance operation lights
9
Fig. 1.3
2
The service knob 8 is useless for the normal oper-
ation of the boiler.
It must be used only by a qualified person during
commissioning and servicing.
1
2
3
Fig. 1.2 (bottom view of the boiler)
10 Condensate drain pipe
11 C.h. return valve
12 Gas inlet valve
13 C.h. flow valve
For detailed technical data see sections 4.5 or 4.6
of this manual.
8
7
6
1.3
Isolation valves
13
1.4
Technical data
5
12
11
10
4