Toshiba MMY-MAP1204HT8Z-E, MMY-MAP1604HT8ZG-E After the indication, When the flashing stops and

complete.

7 Repeat steps 4 to 6 for other refrigerant lines.

8 After completing address setting of all systems, turn off dip switch 2 of SW30 on the interface P.C. boards of all the header outdoor units connected to the same central control, except the unit that has the lowest address.

(For unifying the termination of the wiring for the central control of indoor and outdoor units)

SMMS-i							Installation Manual
Line (system) address			SW13				SW14
	1	2	3	4	1	2	3	4
26	–	–	–	{	{	✕	✕	{
27	–	–	–	{	✕	{	✕	{
28	–	–	–	{	{	{	✕	{

“–”: not used for system address setting (Do not change their positions.)

2 Be sure to disconnect the relay connectors between the [U1U2] and [U3U4] terminals on all the header outdoor units that will be connected to the central control. (Factory default: disconnected)

2	U1	U2	U3	U4	U5	U6
	TO		TO		TO
			CENTRAL
	INDOOR				OUTDOOR
			CONTROL
	UNIT				UNIT
			LER

3	Turn on indoor units first, and then turn on outdoor units.
4	About 1 minute after turning the power on, confirm that the 7-segment display on the interface
	P.C. board of the header outdoor unit indicates					U. 1. L08 (U. 1. flash)			.
5	Press SW 15 to start the automatic address setting.
6	(It may take up to 10 minutes (normally about 5 minutes) to complete one line’s setting.)
	The 7-segment display indicates							.
				Auto 1 → Auto 2 → Auto 3
	After the indication,				starts flashing on the display.
		U. 1. - - - (U. 1. flash)
	When the flashing stops and						, remains lit on the display, the setting is
			U. 1. - - - (U. 1. light)

SMMS-i Installation Manual

9 Connect the relay connectors between the [U1, U2] and [U3, U4] terminals of the header outdoor unit of each refrigerant line.

9

U1	U2	U3		U4	U5	U6
TO			TO		TO
		CENTRAL
INDOOR					OUTDOOR
		CONTROL
UNIT
		LER			UNIT

10Set the central control address.

(For the setting of the central control address, refer to the installation manuals of the central control devices.)

Header unit interface P.C. board

		SW15
		SW04 SW05
	7-segment	D600 D601 D602 D603 D604
	display
SW13	SW14	SW01 SW02 SW03

SW30

1 2

EN

47-EN – 24 – 48-EN