Toshiba MMY-MAP0806HT8P-ME - Address Setting

– 22 –
43-EN 44-EN
Screw size and tightening torque
Screw size
Tightening torque
(N•m)
Power supply terminal M6 2.5 to 3.0
Earth screw M8 5.5 to 6.6
◆ Communication wire connection
Get the communication wire through the cutout on the side of the electrical control box and connect it to the
communication wire terminals, then fix it with the communication cable clamp.
U1
U3
U4
U2
U5
U6
S
S
TO
INDOOR
UNIT
TO
OUTDOOR
UNIT
SHIELD SHIELD
TO
CENTRAL
CONTROLLER
U5, U6: Communication wiring between outdoor units
U3, U4: Central control device
S: Shield wire earth
U1, U2: Communication wiring between Indoor/Outdoor unit
Screw size and tightening torque
Screw size
Tightening torque
(N•m)
Communication wire terminal M4 1.2 to 1.4
9 Address setting
On this unit, it is required to set the addresses of the indoor units before starting air conditioning.
Set the addresses following the steps below.
CAUTION
• Be sure to complete the electric wiring before setting the addresses.
• If you turn on the outdoor unit before turning on the indoor units, the CODE No. [E19] is indicated on the 7-
segment display on the interface P.C. board of the outdoor unit until the indoor units are turned on. This is not a
malfunction.
• It may take up to ten minutes (normally about fi ve minutes) to address one refrigerant line automatically.
• Settings on the outdoor unit are required for automatic addressing. (Address setting is not started simply by
turning on the power.)
• Running the unit is not required for address setting.
• The addresses can be set manually.
Automatic addressing: setting addresses using SW15 on the interface P.C. board on the header outdoor unit
Manual addressing: setting addresses on the wired remote controller.
* When setting an address manually, the wired remote controller must temporarily be
paired with an indoor unit one-to-one. (when the system is organized for group
operation and no Remote controller)
REQUIREMENT
• High voltage parts exist in the electrical control box.
If you set addresses on an outdoor unit, operate the
unit through the access door shown on the illustration
on the right to avoid electric shock. Do not remove the
cover of electrical control box.
* After fi nishing operations, close the access door cover
and fi x it with the screw.
■ Automatic address setting
No central control: go to Address setting procedure 1
Central control of 2 or more refrigerant lines: go to Address setting procedure 2
(Example)
When controlling a single refrigerant line
centrally
When controlling 2 or more refrigerant lines
centrally
Address setting
procedure
To procedure 1 To procedure 2
System wiring
diagram
Outdoor
Indoor Indoor Indoor Indoor
Outdoor
Central
remote
controller
Remote
controller
Remote
controller
Remote
controller
Central
remote
controller
Outdoor
Indoor Indoor Indoor Indoor
Outdoor
Remote
controller
Remote
controller
Remote
controller
Central
remote
controller
Access
door cover
Cover of the electrical
control box
Fixing screw for the
access door cover
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