Stulz BNB Series - 11.5.1. Replacing the Relay PCB

EN / 10-2015 / 1000683 © STULZ GmbH, Hamburg
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Maintenance   STULZUltraSonic-SystemforDirectRoomHumidicationBNB-
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-
tem" on page 80.
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