17
Fig. 7
A
Reset button
B
Connection hose connecting point
C
Plug-in connection
3. Additional pressure switch on twin and multi
boiler systems with up to 4 boilers
Remove connection hose.
Check function of additional combustion chamber
pressure switch at connection hose connecting
point
B
using a pressure tester.
4. Determine the switching point. Switching point
80 ±10 mbar. If the value measured differs from
this, additionally replace the combustion chamber
pressure switch.
5. If there are two pressure switches, attach the con-
nection hoses to connection points
B
. Check con-
nection hoses are seated correctly and are undam-
aged; replace if necessary.
!
Please note
Incorrect installation or installing damaged
burner components can result in deflagration.
■
Check the combustion chamber pressure
switch is working properly.
■
Check the burner components are undamaged
and correctly installed.
Danger
Faulty components and deflagration can cause
potentially fatal poisoning due to the escape of
carbon monoxide in the flue gas.
Observe the maintenance instructions.
Commissioning, inspection, maintenance
Checking the combustion chamber pressure switch (cont.)
5839829
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