21
ENGLISH
WARNING
This section is for authorized and licensed electrician/water system
installer only. Work behind the front plate secured by screws
must only be carried out under supervision of qualifi ed contractor,
installation engineer or service person.
Network Adaptor
7
Installation (Optional)
1. Remove the Control Board Cover 3, then connect the cable
included with this adaptor to the CN-CNT connector on the
printed circuit board.
•
Pull the cable out of the Tank Unit so that there is no pinching.
•
If an Optional PCB has been installed in the Tank Unit, connect
to the CN-CNT connector of the Optional PCB.
Connection examples:
CN-CNT cable
Without Optional PCB
CN-CNT cable
With Optional PCB
2. Insert a fl at head screwdriver into the slot on the top of the
adaptor and remove the cover. Connect the other end of the
CN-CNT cable connector to the connector inside the adaptor.
Slot
Connector
3. On the wall near the Tank Unit, attach the adaptor by
screwing screws through the holes in the back cover.
Screws
4. Pull the CN-CNT cable through the hole in the bottom of the
adaptor and re-attach the front cover to the back cover.
CN-CNT cable
(Take care not to
pinch the cable)
5. Use the included cord clamp to fi x the CN-CNT cable to the
wall.
Pull the cable around as shown in the diagram so that external
forces cannot act on the connector in the adaptor.
Furthermore, on the Tank Unit end, use the included cable tie to
fi x the cables together.
Cord clamp
Cable tie
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