Address Setup; Address Setup Procedure - Toshiba MMU-AP0091H Installation Manual

12. ADDRESS SETUP

In this air conditioner, it is necessary to set up the indoor address before starting the
operation. Set up the address in the following procedure.
1. Set up address after wiring work.
2. Be sure to turn on the power in order of indoor unit → outdoor unit. If turning on the power in the reverse order,
a check code [E19] (Error of No. of header units) is output. When a check code is output, turn on the power
again.
3. It requires maximum 10 minutes (Usually, approx. 5 minutes) to set up automatically an address to 1 line.
4. To set up an address automatically, the setup at outdoor side is necessary.
(Address setup cannot be performed by power-ON only.)
5. To set up an address, it is unnecessary to operate the air conditioner.
6. Manual address setup is also available besides automatic setup.
Automatic address : Setup from SW15 on the interface P.C. board of the header unit
Manual address
* It is temporarily necessary to set the indoor unit and wired to 1 : 1.
(In group operation and in time without remote controller)
1. Automatic Address Setup
Without central control : To the address setup procedure 1
With central control
(Example) In case of central control in a single refrigerant system

Address setup procedure

Wire systematic diagram
Address setup procedure 1

Turn on power of indoor/outdoor units.
(In order of indoor → → → → → Outdoor)
‚
After approx. 1 minute, check that U. 1. L08 (U. 1. flash)
is displayed in 7-segment display section on the interface
P.C. board of the header outdoor unit.
ƒ
Push SW15 and start setup the automatic address.
(Max. 10 minutes for 1 system (Usually, approx. 5 minutes))
„ When the count Auto 1 → Auto 2 → Auto 3 is displayed in
7-segment display section, and it changes from
U. 1. - - - (U. 1. flash) to
U. 1. - - - (U. 1. light) , the setup finished.
…
When perform a central control, connect a relay
connector between [U1U2] of the header outdoor unit
and [U3U4] terminals.
: Setup from the weird remote controller
: To the address setup procedure 2
(However, go to the procedure 1 when the central control is performed in a single refrigerant system.)
To procedure 1
Outdoor Outdoor
Central remote
controller
Indoor Indoor Indoor
Remote Remote Remote
controller controller controller
CAUTION
In case of central control over refrigerant systems
Outdoor
Central remote
controller
Indoor Indoor
Remote
controller
114
To procedure 2
Outdoor
Central remote
Indoor Indoor
Remote Remote
controller controller
Header unit interface P.C. board
SW04 SW05 SW15
D600 D601 D602 D603 D604
SW01 SW02 SW03
1 1 1
5
U1 U2 U3 U4
For internal For wiring of
wiring between central control
indoor and system
outdoor
controller
Indoor
3
2 4
U5 U6
For internal
wiring between
outdoor units