Address Setting - Toshiba MCY-MHP0404HS8-E Installation Manual

7

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 five 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 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 cover of electrical control box, to avoid electric
shock.
Do not remove the cover of electrical control box.
EN-53
– 27 –
Automatic address setting
No central control (single refrigerant line):
Central control of 2 or more refrigerant lines:
When controlling a single refrigerant line
(Example)
Address setting procedure
Outdoor
System wiring diagram
Indoor
Remote
controller
Address setting procedure 1
1
Turn on indoor units first, and then turn on outdoor units.
2
About one minute after turning the power on, confirm that the 7-segment display on the interface P.C.
board of the outdoor unit indicates
3
Press SW 15 to start the automatic address setting.
(It may take up to 10 minutes (normally about 5 minutes) to complete one line's setting.)
4
The 7-segment display indicates
After the indication, U. 1. - - - (U. 1. flash)
When the flashing stops and
Interface P.C. board on the outdoor unit
SW04 SW05 SW15
D600 D601 D602 D603 D604
SW01 SW02 SW03
go to Address setting procedure 1
go to Address setting procedure 2
When controlling 2 or more refrigerant
centrally
To procedure 1
Outdoor Outdoor
Central Central
controller controller
Indoor Indoor Indoor Indoor
Remote Remote Remote
controller controller controller
U. 1. L08 (U. 1. flash) .
Auto 1 Auto 2 Auto 3
.
starts flashing on the display.
U. 1. - - - (U. 1. light) remains lit on the display, the setting is complete.
3
2, 4
Installation Manual
lines centrally
To procedure 2
Outdoor
Central
controller
Indoor Indoor Indoor
Remote Remote
controller controller
EN-54