EN / 10-2015 / 1000683
© STULZ GmbH, Hamburg
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82
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Maintenance
STULZUltraSonic-SystemforDirectRoomHumidificationBNB-
11.5.1. Replacing the relay PCB
2
To remove the relay PCB, pull out all
blade terminals from the PCB.
3
Pull out the relay PCB in the guide rails.
4
Push the new relay PCB into the guide
rails.
1
Perform steps 1-10 from
section "11.5. Inspect the electrical sys-
18
Assemble the unit in reverse order.
19
Check that all screws are securely
tightened.
CAUTION
Labeled cables.
When inserting cables later on, there may be confu-
sion as both the PCB and the cables are labeled.
Note
CAUTION
Trapped cables.
During installation, take care not to trap any
cables between parts of the housing!
NOTICE
Item Description
6
Relay PCB
7
Relay
▲
6
6
7