Toshiba MMY-MAP0804HT8-E, MMY-MAP1604HT8ZG-E „Resetting the address, Resetting to the factory

SMMS-i

3 Push the SET button.

Installation Manual

„Resetting the address

SMMS-i Installation Manual

•The address of one of the indoor units connected to the selected refrigerant line is indicated on the LCD display and the fan and louvers of the unit are activated.

At first, the current indoor unit address is displayed in SET DATA.

(No system address is indicated.)

	CODE No.
SET DATA SETTING
UNIT	No.
R.C.	No.

TEMP. ON / OFF

(Resetting to the factory

default (address undecided))

Method 1

Clearing each address separately using a wired remote controller.

Set the system address, indoor unit address and group address to “0099” using a wired remote controller. (For the setting procedure, refer to the address setting procedures using the wired remote controller on the previous pages.)

Method 2

Clearing all the indoor unit addresses on a refrigerate line at

Header		Follower unit
unit
U3 U4		U3 U4
U1 U2	U5 U6	U1 U2	U5 U6

Header unit

U3 U4

U1 U2 U5 U6

Follower unit

U3 U4
U1 U2	U5 U6

						Central control
						controller
								U1	U2
Header								U3	U4
unit
			U3	U4
	U1	U2			U5		U6

		TIMER SET
4		TIME
	FILTER
	RESET TEST	SET CL
8
Finish

6

once from the outdoor unit.

1 Turn off the refrigerant line to reset to the factory default and set the header outdoor unit of the line as below.

1) Disconnect the relay connectors between the

[U1, U2] and [U3, U4] terminals.

U1	U2			U1	U2
		A	B			A	B
Remote					Remote
controller					controller

U1 U2

A B

Remote controller

U1 U2

A B

U1 U2

A B

Remote controller

5, 7

Press to finish setting.

(Leave them as they are if they have already

been disconnected.)

2) Turn on dip switch 2 of SW30 on the interface

Indoor units to have their addresses initialized

4 Push the TIME / buttons repeatedly to change the value of the indoor unit address in SET DATA.

Change the value in SET DATA to that of a new address.

5 Push the SET button to confirm the new address on SET DATA.

6 Push the button (left side of the button) repeatedly to select another address to change. Each time you push the button, the indoor unit numbers in a refrigerant line are indicated one after another. Only the fan and louvers of the selected indoor unit are activated.

Repeat steps 4 to 6 to change the indoor unit addresses so as to make each of them unique.

7 Push the SET button.

(All the segments on the LCD display light up.)

8 Push the TEST button to finish the procedure.

P.C. board of the header outdoor unit if the

switch is OFF.

(Leave it as it is if it has already been set to

ON.)

2 Turn on the indoor and outdoor units of the refrigerant line for which you want to initialize the addresses. About one minute after turning on the power, confirm that the 7-segment display on the header outdoor unit indicates “U.1. - - -” and operate the interface P.C. board on the header outdoor unit of the refrigerant line as follows.

SW01	SW02	SW03	SW04	Clearable addresses
2	1	2	Confirm that the 7-segment display indicates	System/indoor unit/group address
			“A.d.buS” and turn SW04 ON for more than five
			seconds.
2	2	2	Confirm that the 7-segment display indicates	Central control address
			“A.d.nEt” and turn SW04 ON for more than five
			seconds.

3 Confirm that the 7-segment display indicates “A.d. c.L.” and set SW01, SW02 and SW03 to 1, 1, 1 respectively.

4 After a time “U.1.L08” appears on the 7-segment display if the address clearing has been completed successfully.

If the 7-segment display indicates “A.d. n.G.”, the outdoor unit may still connected with other refrigerant lines. Check the connection of the relay connectors between [U1, U2] and [U3, U4].

NOTE

Take care to carry out the procedure above correctly; otherwise, addresses in other refrigerate lines may also be cleared.

5 Set the addresses again after finishing the clearance.

EN

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