DE / 06-2016 / 1000687 Ā© STULZ GmbH, Hamburg
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Maintenance STULZ UltraSonic -System for duct humidiīæcation ENS 14 A - 18 A-
11.5. Inspecting the electrical system
Proceed as follows to inspect the electrical system:
3
Unscrew the screw plug of the drainage
pipe and drain the water.
4
Disconnect water supply and drainage
pipes.
5
Mark electrical supply cables and
connections.
Then disconnect them.
6
Drain residual water from the ultrasonic
humidiīæer.
Put the ultrasonic humidiīæer in a place
where it can be dismantled easily.
2
Close the on-site stop cock.
1
Switch off the electrical supply to the
ultrasonic humidiīæer and secure so it
cannot be switched back on.
CAUTION
Specialist personnel.
This work may only be performed by specialist
personnel.
WARNING
Item Description
1 Ultrasonic humidiīæer
2 Stainless steel screw
3 Housing cover of electronic supply module
Slacken but do not fully remove the screws.
3
1
7
Slacken the two stainless steel screws
in the housing cover of the electronic
supply module.
Take off the housing cover.
Connections
(A) Drinking water connection
(B) Waste water connection
(C)
Overīow connection
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(C) (B)(A)