4. Installation
4.1 Chiller Bus
Chiller Network
Chiller panel needs to be energized with +12Vdc. The 5 way wires that provided is once on the easiest
solution to establish a communication between the panel and chiller main board (CN8-JP13). If the 5-way
wires socket has been occupied in main board, just using 2 insulation wired are needed to establish a com-
munication between panel and chiller main board.
Chiller panel can support maximum up to 50 units of chiller. In the chiller network, duplication of main board
unit address is not allowed. Each chiller main board should have their unique unit address (0-50).
For first time running, user need to assign a unique unit address to each main board in the chiller network.
User should follow the procedure below:
•
Only power ON one main board at once time. Make sure not others main boards are energized.
•
By using the panel connected to the main board.
<ENTER>
<ENTER>
Sum m ary Pages
Main Menu
Setting Menu
<ENTER>
G7 Unit No
1. General
Set Paraameter
<ENTER>
<ENTER>
key in "0001" as passw ord
•
Key in unique unit address and press ENTER to execute.
•
De-energized the main board and repeat the procedures again all the main boards have been
assigned a unique unit address.
IMPORTANT : Do not assign a same unit address to more than one chiller main board.
RECOMMENDATION : Please select a coherant model (G1 Model) to all the chiller main boards in
the same network.
9
Supported up to 50 units of Chiller
Chiller Panel 0 Chiller Panel 1
(Master) (Slave)
5 way wire (CN8)
Chiller
Communication bus
Chiller 0 Chiller 1 Chiller 2