Toshiba MMU-AP0091H service manual 105, SW01 SW02 SW03 Units to be operated

4.Individual start/stop (ON/OFF) individual test operation function

This function is provided to start/stop (ON/OFF) individually each indoor unit connected to the same system by using switches on the interface P.C. board of the header unit.

Set SW01 [16] and set SW02, SW03 to indoor address No. (1 to 64) to be started (Refer to the following table∗ ) - only the setup indoor unit starts operation.

(In the rotary switches of the indoor unit which operates in a group by the remote controller, the follower unit cannot be individually started or stopped. In this case, [ – – ] is displayed on 7-segment display [B] on the interface P.C. board of the header unit.)

Operation procedure

Power ON

Be sure to turn on power at the indoor side before power-ON of outdoor unit.

Set up the operation mode of the remote controller.

(If it is not set up, the operation starts with the current mode.)

Match the rotary switch on the interface P.C. board of the header unit * with in the following table.

		(7-segment display)
	[A]			[B]
[	]		[	]
Address display of			[ 00] is displayed for
corresponding indoor unit			5 seconds after operation-ON.

If an error is already displayed under condition of SW01 [1], SW02 [1], SW03 [1], return the status to normal one according to troubleshooting and then execute a test operation.

The unit which is not given with priority by heating priority control, cooling priority control, and selection of cooling or heating mode

is not operated. In this case, or is displayed on the remote controller.

Push the push-switch SW04 on the interface		[A]	(7-segment display)		[B]
P.C. board of the header unit for 2 seconds or more.	[		]	[	]
(If pushing this switch continuously for 10 seconds
or more, the operation changes to the individual
	Address display of			[ 11] is displayed for
test operation.)
	corresponding indoor unit			5 seconds after operation-ON.

(For individual test operation,[ FF] is displayed.)

The indoor unit to be started operates.

Start

Push the push-switch SW05 on the interface

P.C. board of the header unit for 2 seconds or more.

		(7-segment display)
	[A]			[B]
[	]		[	]
Address display of			[ 00] is displayed for
corresponding indoor unit			5 seconds after operation-ON.

After test operation, return the display select switches SW01, SW02, and SW03 on the interface P.C. board of the header unit to [1], [1], [1] respectively.

End

*

SW01	SW02	SW03	Units to be operated
			Address	1	} individually
16	1 to 16	1	Addressto	16
16	1 to 16	2	Address	17	} individually
			Addressto	32
16	1 to 16	3	Address	33	} individually
			Addressto	48
16	1 to 16	4	Address	49	} individually
			Addressto	64

In individual start/stop

NOTE) The individual test operation returns to the normal operation after 60 minutes.

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