Ordinary Display Controls And Functions - Panasonic U-4LE1E5 Service Manual

3. Ordinary Display Controls and Functions

■ 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
3
●
If the communications line in the inter-unit control wiring is connected, it can be left as-is.
●
In case of an independent outdoor unit (1 maintenance remote controller connected to 1 outdoor unit, automatic
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.
Outdoor Unit Maintenance Remote Controller
RC (3P, BLU)
PCB connector (3P, BLU)
Relay connector (2P, WHT)
Remote controller Ass'y
3 - 4
Mini VRF SYSTEM
Outdoor unit PCB