Installation 7
0020289288_02 MicraCom Installation and maintenance instructions
21
Preferred option for external connection
7.6
Connecting the drain pipework for the
expansion relief valve
1
1.
Ensure that the pipeline is visible.
2.
Connect the expansion relief valve
(1)
to a suitable dis-
charge siphon.
–
The components must be set up in such a way that
you can see the water flowing out.
3.
Ensure that you can view the end of the pipe and that
discharged water or steam cannot cause injury to per-
sons or damage to electronic components.
7.7
Filling the condensate siphon
▶
Fill the condensate siphon with water.
–
≈
250 ml
7.8
Air/flue system
7.8.1
Installing and connecting the air/flue pipe
1.
You can find out which air/flue pipes may be used by
consulting the enclosed set-up instructions for the
air/flue system.
Condition
: Installation in damp rooms
▶
Connect the product to a room-sealed air/flue system.
–
The combustion air must not be taken from the in-
stallation site.
▶
Install the air/flue pipe using the set-up instructions.
7.9
Electrical installation
Only qualified electricians may carry out the electrical install-
ation.
The product must be earthed.
Danger!
Risk of death from electric shock!
Power supply terminals L and N remain live
even if the on/off button is switched off.
▶
Disconnect the product from the power
supply by switching off all power supplies
at all poles (electrical partition with a con-
tact gap of at least 3 mm, e.g. fuse or cir-
cuit breaker).
▶
Secure against being switched back on
again.
▶
Wait for at least 3 minutes until the capa-
citors have discharged.
▶
Check that there is no voltage.