Ordinary Display Controls And Functions - Panasonic U-72MF2U9 Service Manual

3. Ordinary Display Controls and Functions

n Functions on the ordinary display
• Connect the special service checker wiring to the outdoor unit PCB.
The connection is shown in the figure below.
Special service checker wiring
1
2
If the communications line in the inter-unit control wiring is connected, it can be left as-is.
l
In case of an independent outdoor unit (1 maintenance remote controller connected to 1 outdoor unit, auto
l
3
address setting for indoor units not completed), both setting mode 1 and setting mode 2 can be used.
The overall system status for that refrigerant system is displayed.
l
4
5
6
7
8
9
Outdoor Unit Maintenance Remote Controller
RC (3P, BLU)
PCB connector (3P, BLU)
Relay connector (2P, WHT)
Remote controller Ass'y
3 - 4
3WAY VRF SYSTEM
Outdoor unit PCB