Toshiba RAV-SM1400AT-E, RAV-SM1101BT-E, RAV-SM1100AT-E Connection with the power terminal

No.

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Part name		Procedure	Remarks
Control P.C.	1) Disconnect lead wires and connectors
board assembly	connected from the control P.C. board
	assembly to other parts.
	1. Lead wires		Take off
	•	Connection with the power terminal	earth screws.
		block: 3 wires (Black, White, Orange)
	•	Earth wire: 1 wire (Black)	Power line
	2. Connectors
	•	Connection with compressor:
		Remove 3P connector.	Inverter box
	•	Connection with reactor:	(Metal sheet)
		Remove the relay connectors from	Control P.C.
		P07, 08 (2P, White) and P12, 13 (2P,
			board assembly
		Yellow)	P.C. board base
		CN300 : Outdoor fan (3P, White)
		CN301 : Position detection (5P, White)
		CN701 : 4-way valve (3P, Yellow)
		CN600 : TE sensor (2P, White)
		CN601 : TD sensor (3P, White)
		CN603 : TS sensor (3P, White)	Hooking claws
		CN602 : TO sensor (3P, White)	(4 positions)
		CN500 : Case thermo. (2P, White)
		CN703 : PMV (6P, White)

2) Remove the inverter box (Metal plate).

3)	Remove the control board assembly from	Control P.C.
	P.C. board base. (Remove the heat sink	board assembly
	and the control board assembly as they
	are screwed.)
NOTES:
1.	CN300, CN301 and CN701, etc. at the	P.C. board base
	control board assembly side are connec-
	tors with locking function. Therefore,
	remove the connector while pushing the
	part indicated by an arrow mark.

2.Remove 4 hooking claws of P.C. board base, and remove upward the heat sink with hands.

4)Take off 3 screws fixing the heat sink and main control board assembly side, and replace the board with a new one.

NOTE:
When mounting a new board, check that the	Heat sink	Inverter box
board is correctly set in the groove of the		(Metal sheet)
base holder of P.C. board base. Attach the
P.C. board so that the heat sink comes
securely contact with the metal sheet.

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