30
18
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
3.4 HYDRAULIC DIAGRAM.
Key:
1 - D.H.W. flow switch
2 - System filling valve
3 - Flow limiter
4 - DHW probe
5 - Gas valve
6 - System expansion vessel
7 - Gas manifold
8 - Burner
9 - Primary heat exchanger
10 - Flue hood
11 - Flue safety thermostat
12 - Safety thermostat
13 - Flow probe
14 - Air vent valve
15 - Boiler pump
16 - System draining valve
17 - System pressure switch
18 - D.H.W. heat exchanger
19 - 3-way valve (motorised)
20 - Bypass
21 - 3 bar safety valve
G - Gas supply
AC - Domestic hot water outlet
AF - Domestic cold water inlet
R - System return
M - System flow
Summary of Contents for NIKE ECO 24
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