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ALUTHERM
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Boilers 56
ALUTERM A 170 - 300
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Installation, user and service manual
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instructions for user
Heating
Alutherm A 170 - 300
9.2
Tubing and fixation
During the inspection and maintenance also all the tubing and its
fixations as shown in the pneumatic diagram in chapter 6.8 must be
checked.
Check for leakage and correct fixation. In case of doubt replace tubing
and or fixation. The tubing, especially the P1 connection, are essential
for safety and proper functioning of the boiler.
After reconnection of the tubing check for proper functioning of the
boiler and also check the input and CO/CO2 figures (see 7.2)
Also see detail in picture beneath.
Tubing and fixation
9.3
Non return valve NRV in burner hood
For cascade also read the “cascade” manual.
During maintenance the outer seal (red part) of the non-return valve must be
replaced.
Also check the black foam part for correct closure (sealing)
In case of doubt replace the valve (article nr. 101024)
Also see picture beneath.
Non return valve in burner hood
*Note : be carefull during inspection/maintenance not to damage seals.