Toshiba MMU-AP0091H Service Support Function, 102, Function Outline Setup/Release Segment display

8-7. Service Support Function

8-7-1. Function to Start/Stop (ON/OFF) Indoor Unit from Outdoor Unit

The following functions enables the start and stop of the indoor units using the switches on the interface P.C. board of the header unit.

No.	Function	Outline	Setup/Release	7-segment display
1	All cooling	Changes the mode of all the connected indoor	[Setup]	Section A		Section B
	test operation	units collectively to cooling test operation.	Push SW04 for 2 seconds or more	[C	]	[	–C]
		Note) Control operation same as test	with SW01”2”, SW02”5”, SW03”1”.
		operation for remote controller.	[Release]
			Return SW01, SW02, SW03 to “1”.
2	All heating	Changes the mode of all the connected indoor	[Setup]	Section A		Section B
	test operation	units collectively to heating test operation.	Push SW04 for 2 seconds or more	[H	]	[	–H]
		Note) Control operation same as test	with SW01”2”, SW02”6”, SW03”1”.
		operation for remote controller.	[Release]
			Return SW01, SW02, SW03 to “1”.
3	Batch start	Starts all the connected indoor units collec-	[Setup]	Section A		Section B
		tively.	Push SW04 for 2 seconds or more	[CH]		[	11]
		Note) The contents follow the setup of remote	with SW01”2”, SW02”7”, SW03”1”.	[ 11] is displayed on
		controller.	[Release]	Section B for 5 seconds.
			Return SW01, SW02, SW03 to “1”.
	Batch stop	Stops all the connected indoor units collec-	[Setup]	Section A		Section B
		tively.	Push SW05 for 2 seconds or more	[CH]		[	00]
			with SW01”2”, SW02”7”, SW03”1”.	[ 00] is displayed on
			[Release]	Section B for 5 seconds.
			Return SW01, SW02, SW03 to “1”.
4	Individual	Starts the specified indoor unit.	[Setup]	Section A		Section B
	start	Notes)	Push SW04 for 2 seconds or more set	[	]	[	]
			SW01 “16” and set SW02 and SW03	Section A:
		• Control operation same as test.
			to address No. (1 to 64) to be started.
				Displays the corresponding
		• The other indoor units keep existing status.
			[Release]	indoor address.
			Return SW01, SW02, SW03 to “1”.	Section B:
				Displays [ 11] for 5 seconds
				from operation-ON.
	Individual	Stops the specified indoor unit.	[Setup]	Section A		Section B
	stop	Note) The other indoor units keep existing	Push SW05 for 2 seconds or more set	[	]	[	]
			SW01 “16” and set SW02 and SW03
		status.		Section A:
			to address No. (1 to 64) to be stopped.
				Displays the corresponding
			[Release]	indoor address.
			Return SW01, SW02, SW03 to “1”.	Section B:
				Displays [ 00] for 5 seconds
				from operation-OFF.
	Individual test	Operates the specified indoor unit.	[Setup]	Section A		Section B
	operation	Note) The other indoor units keep existing	Push SW04 for 10 seconds or more	[	]	[	]
			set SW01 “16” and set SW02 and
		status.		Section A:
			SW03 to address No. (1 to 64) to be
				Displays the corresponding
			operated.
				indoor address.
			[Release]
				Section B:
			Return SW01, SW02, SW03 to “1”.
				Displays [ FF] for 5 seconds
				from test operation-ON.

NOTE 1) This start/stop function only sends the command signals from the outdoor unit to the indoor unit, such as start, stop, operation mode, etc.

Once it does not resend the signals even if the indoor unit does not follow the sent signals.

NOTE 2) The above controls are not available when an error has caused the system to stop.

Interface P.C. board

7-segment display [A] 7-segment display [B]

SW04 SW05

SW01 SW02 SW03 Rotary switch

102