Figure 17 - Boiler connection stubs to the water
system (W, WO, WZ, WZO)
Figure 18 - Boiler connection to water system ( WZ +
gp , WZO + gp )
Table VI - Description of connectors for connecting the boiler to the water system
Name
Symbol
Dimension
Unit
10-15 kW
20-25 kW
30 kW
DHW cold water
and
3/4 "
inch
DHW hot water
b
3/4 "
inch
Filling the boiler
c
1/2 "
inch
System return ( Cold water )
d
3/4 "
inch
Supply from the installation ( hot water )
e
3/4 "
inch
Water drain
f
1/2 "
inch
X1
165
193
220
mm
X2
207
210
237
mm
X3
70
mm
X4
65
mm
X5
45
mm
X6
45
mm
Y1
65
mm
Y2
142
144
172
mm
WARNING!
Between the boiler and the central heating system, cut-off valves should
be installed, allowing the boiler to be disassembled without the need to
drain water from the entire system.
Summary of Contents for QUAD 10
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