
Gas Water Heater Installation
46
-The diagram above displays the master unit and slave unit connected with the ready link
communication cable.
- The Dip SW6(KDC-324-xM PCB Board), which is used only for organizing cascade system, Be
switched ON if the corresponding unit is the first or the last unit of Cascade connection.
-The recommended location for the master unit is in the center.
Step 4: Communication set-up
After the cable connections and DIP switch set-up, the communication set-up should be done.
Master set-up
After the power ON, each FND1 will display on the PCB as below:
Unit
Master Unit
Slave 1 Unit
Slave 2 Unit
FND1
FND1 display: Master set-up
CASCADE CO
NNE
CTION AND S
ET
-UP
PROCEDURES
CN7
CN12
CN9
ON
ON
1
2
3
4
5
6
1
2
3
4
5
6
7
8
Dip S/W 1
Dip S/W 2
Dip S/W 6
FND 1
ON
OFF