McQuay C Serie Manual De Instalación página 23

• Installation
When fastening the LCD panel to the bracket,
Step 1
Hook the LCD panel
from the top first
When removing the LCD panel from the bracket,
Step 1
Remove the LCD panel
from the bottom part first
with help of a screw driver
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 connected.
3. Networking between chillers can be carried out. Connect the wire as shown
Step 2
Step 2
Factory installed
Main Board Unit 00
A
B
12V
JP13
GND
A B
Alternative wiring between LCD panel and PCB
CN5
A B 12V GND
For networking only
PCB Unit 01
1-10
Push to fasten the LCD
panel to the bracket
Remove the
LCD panel
LCD Panel
CN8
CN2
12V GND