Toshiba MMU-AP0091H service manual Process after Repair, 196

13-3. Process after Repair

After completion of the repair work, perform vacuuming of the outdoor unit using the following procedure.

Procedure

1.Short CN30 on the interface P.C. board on the outdoor unit for which the repair work has been completed, to open the PMV fully. (Confirm that Bit 1 of SW12 is OFF.)

Note) The PMV opening by using short CN30 returns the PMV to fully closed after 2 minutes.

To continue to fully open status, turn off the power supply of the outdoor unit within 2 minutes after using short CN30.

2.Be sure to perform vacuuming from the following three check joints. (Liquid pipe, discharge pipe, and suction pipe)

Propeller fan

FM Fan motor

		Sensor
		(TE1)			(Right side)
		Strainer		Main heat exchanger
	Pulse motor valve				(Left side)
	Solenoid valve			Main heat exchanger
		(SV12)
(PMV1)	(PMV2)
		Strainer		Sub heat exchanger (Right side)
	Check	(PMV3)		Sub heat exchanger (Left side)
Strainer	valve		Check
			valve
		Solenoid				Solenoid
		valve				valve
		(SV5)				(SV11)
						Check
			High-pressure valve
			sensor
Sensor		Solenoid	Capillary	Check joint
		valve	tube
(TL)		(SV6)	Capillary tube		Strainer
							Oil
			Solenoid valve				separator
			(SV3D)		Strainer
Liquid				Capillary tube			Check
tank			Solenoid valve
							valve
			(SV41)
				High-
Check			pressure
				switch
joint				Sensor			Capillary
				(TD1)			tube
					1		Sensor
					Compressor	(Inverter)
							(TK3)
							Strainer
							Check
							valve
							Capillary
							tube
							Sensor
							(TK1)
				Solenoid			Sensor
				valve
							(TK4)
				(SV3E)
			Capillary tube
Strainer		Strainer				Solenoid
						valve
						(SV3A)
			Strainer

Sensor

(TO)

		4-Way valve
	Capillary		Sensor	Low-
		tube		pressure
			(TS1)	sensor
			Sensor
Solenoid valve			(TS2)	Check
(SV2)				joint
		Capillary tube
Check		Solenoid valve
valve		(SV42)
		High-	Accumulator
Solenoid		pressure
		switch
valve		Sensor
(SV3C)		(TD2)
	2	(Inverter)
Strainer	Compressor
Check
valve
Capillary
tube
Sensor
(TK2)
Oil tank
	Capillary tube
Check		Solenoid
		valve
valve
		(SV3B)
		Check
		valve

Service	Service	Service	Service
valve of	valve at	valve at	valve at
balance	liquid	discharge	suction
pipe	side	gas side	gas side

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