Toshiba RAV-SP804AT-E, RAV-SP804ATZG-E, RAV-SP454AT-E Connection of Wireless Remote Controller Kit

8-1-2. Connection of Wireless Remote Controller Kit

Indoor unit #1 (Master)

Wireless remote controller kit

Receiver P.C. board (MCC-1504)
	Display LED
Receive circuit			Function setup SW
Buzzer		MCU	Grille up/down SW

		DC5V
		Power	Remote controller		Temporary
		circuit	communication circuit		operation SW
						#2			#3
			A	B		(Follower)		(Follower)
						A		B	A		B
	Indoor control P.C. board (MCC-1570)
		DC20V	Remote controller		EEPROM
			communication circuit
		DC5V			TA sensor
		DC12V
					TC sensor
		Humidifier output
Drain					TCJ sensor	Same as left			Same as left
				Driver		∗ 2			∗ 2
pump					MCU
					Float input
					HA
			Outside		Auto grille
					panel
Indoor		MCU	output
fan motor				Run	Serial send/
				Warning	receive circuit	1	2	3	1	2	3
				Defrost
				Thermo. ON	AC
		Fan motor		COOL
				HEAT	synchronous
		control circuit
	Power circuit			FAN	signal input circuit
DC280V

1 2 3

Outdoor unit Outdoor unit

			1	2	3
* Case of TCC-LINK adapter
		Case of TCC-LINK adapter
		(Option)
		TCC-LINK	Outdoor unit
		adapter P.C. board
		(MCC-1440)
TCC-LINK	U3	TCC-LINK	Up to 8 units are connectable. ∗ 1
			∗ 1 However Max.7 units are connectable in case of mounting network adapter
Central controller
	U4	communication circuit
(Option)			when two wireless remote controller kit are connected.
			∗ 2 The network adapter is mounted to only 1 unit.
			TCC-LINK adapter is mounted to the master unit.

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