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Service Manual
Singular Combi Boiler - BTC 439002301 A (12.2021)
9.17 Solenoid Valve
1. Refer to 9.1 Preparation Step.
2. Remove the fan and then separate the silencer from the fan according to
Section 9.16.
3. Separate the solenoid valve unit (Item 2) by removing the 2 fi xing screws
(Item 1),
Figure 116
2
1
4. Replace with a new solenoid valve unit.
5. After replacing it, tighten the air mixer and the silencer fi xing screws.
When replacing the solenoid valve unit, pay attention to the the wire
position. When connecting the air mixer/silencer, assemble it along the
solenoid wire groove as shown below.
Figure 117
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