Operation Manual

6
C. Installation
When fastening the LCD panel to the bracket,
Step 1 Step 2
When removing the LCD panel from the bracket,
Step 1 Step 2
1. A 3V DC battery is supplied with the LCD. It is used to ensure that the LCD displays real time
once the timer is set.
2. The LCD is wired to the main board via CN8 connection. (This is factory installed)
If the wiring between the LCD and PCB must be longer, an alternative is used. Use a 4-core
wire of the desired length and connect this wire between the terminal block CN2 on the LCD
to the terminal block CN5 on the PCB. Ensure that the correct wire terminals are con-
nected.
3. Networking between chillers can be carried out. Connect the wire as shown
CN5
CN8
CN2
CN8
PCB unit 00
LCD PANEL
A B 12V GND A B 12V GND
CN5
A B 12V GND
PCB unit 01
Hook the LCD panel
from the bottom first
Push to fasten the LCD
panel to the bracket
Remove the LCD panel
from the top part first
Remove the
LCD panel
Factory installed
Alternative wiring between
LCD panel and PCB
For networking only
OM-WCCH_(ENG) 4/1/04, 5:18 PM6