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Introduction
Release R.1.3 UK
13
gis
2
Functioning of the 
appliance
2.1
Introduction
Topics covered in this chapter:
.
2.2
Functional 
description of the 
appliance
Figure 2.1 shows a cut-away view of the appliance. 
Legend
a
plastic top cover
b
hot water outlet
c
electrical connection block
d
ThermoControl
e
pressure switch
f
control panel
g
temperature sensor T
1
h
combustion chamber
i
anode
j
tank
k
heat exchanger
l
inspection and cleaning 
opening
m
temperature sensor T
2
n
cold water inlet
o
drain valve
p
gas control
q
burner
r
fan
s
air supply hose
t
glow igniter
u
ionisation rod
v
chimney pipe
w
siphon
x
PU insulation layer
       
IMD-0070
Figure 2.1 Cut-away view of the appliance
gis