Panasonic R410A 2-5Outdoor Unit Control PCB, Processes and functions, Layout Diagram CR-CH4872R

2. Processes and functions

2-5 Outdoor Unit Control PCB

(1) Layout Diagram (CR-CH4872R)

Suction temperature (TS) sensor

Heat exchanger temperature (C1) sensor

Heat exchanger temperature (C2) sensor

MDC

Outdoor air temperature (TO) sensor

Compressor discharge temperature (TD) sensor
	EEPROM IC
	Refrigerant recovery switch
	(S005)
	Quiet mode plug (CN028)
	Refrigerant System
	address switch (S002)
	EXCT plug (CN026)
	Automatic address
	setting switch (S001)
	Snowfall sensor
	Refrigerant System
	address switch (S003)
	Cooling test
	Test pin (CN036)	2
	Operation circuit fuse
	(F002)
	Serial 1 plug
	Power LED (D115)
	LED 1, 2
	Terminal plug (CN015)
	Serial 2 plug
	If the operation circuit fuse
	(F002) has blown,
	determine and correct the
	cause for the blown fuse,
	then change the socket
	from the serial 1 plug to
	the serial 2 plug.
	Position detection plug
	(CN003)

Fan motor plug (CN004)

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