Panasonic R410A - Indoor Unit Control PCB; Outdoor Unit Control

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Regarding the remote controller check, refer to the Reference Materials.
For information on the procedures for replacing the nonvolatile memory (EEPROM) of the indoor unit and/or replacing the
indoor unit’s control board, refer to the manual that is packaged with the indoor unit service board.
TERMINAL EEPROM EEPROMTERMINAL
TERMINAL EEPROM TERMINAL EEPROM
EEPROM TEST pin RC
OPTION CHK pin
TEST pin RC
OPTION CHK pin
EEPROM
Outdoor Unit Control PCB
A746894 : (U-60PE1R5, U-71PE1R5)
(for single-phase outdoor unit PCB)
A746844 : (U-100PE1R5)
(for single-phase outdoor unit PCB)
A746845 : (U-125PE1R5, U-140PE1R5)
(for single-phase outdoor unit PCB)
A746967 : (U-100PE1R8, U-125PE1R8, U-140PE1R8)
(for 3-phase outdoor unit PCB)
Indoor Unit Control PCB
A746802 : 4-way Cassette Type A746803 : Duct Type
Sec5.indd14Sec5.indd14 2012/03/0920:43:322012/03/0920:43:32