Ordinary Display Controls And Functions - Panasonic U-4LE1R8 Service Manual

1. Outdoor Unit Maintenance Remote Controller

1-3. Ordinary Display Controls and Functions

Functions on the ordinary display
Connect the special service checker wiring to the outdoor unit PCB.
The connection diagram is shown below.
• If the communications line in the inter-unit control wiring is connected, it can be left as-is.
• In the 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
for outdoor unit EEPROM data settings.
• The overall system status for that refrigerant system is displayed.
6
PCB connector (3P, blue)
Special service checker wiring
Relay connector (2P, white)
Remote controller Assy
RC (3P, blue) Outdoor unit PCB
6-4
Mini VRF SYSTEM
Service Checker