Toshiba MMY-MAP0806HT8P-ME - Page 25

– 24 –
47-EN 48-EN
Line (system) address
SW13 SW14
12341234
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)
U1
U3
U4
U2
U5
U6
S
S
TO
INDOOR
UNIT
TO
OUTDOOR
UNIT
SHIELD SHIELD
TO
CENTRAL
CONTROLLER
2
3 Turn on indoor units fi rst, and then turn on outdoor units.
4 About 1 minute after turning the power on, confi rm that the 7-segment display on the interface
P.C. board of the header outdoor unit indicates
U. 1. L08 (U. 1. fl ash)
.
5 Press SW15 to start the automatic address setting.
(It may take up to 10 minutes (normally about 5 minutes) to complete one line’s setting.)
6 The 7-segment display indicates
Auto 1 → Auto 2 → Auto 3
.
After the indication,
U. 1. - - - (U. 1. fl ash)
starts fl ashing on the display.
When the fl ashing stops and
U. 1. - - - (U. 1. light)
, remains lit on the display, the setting is
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)
9 Connect the relay connectors between the [U1, U2] and [U3, U4] terminals of the header
outdoor unit of each refrigerant line.
U1
U3
U4
U2
U5
U6
S
S
TO
INDOOR
UNIT
TO
OUTDOOR
UNIT
SHIELD SHIELD
TO
CENTRAL
CONTROLLER
9
10 Set the central control address.
(For the setting of the central control address, refer to the installation manuals of the central control devices.)
SW15
SW04
12
SW13 SW14
SW01 SW02
SW03
D600 D601 D602 D603 D604
SW05
SW30
7-segment
display
Header unit interface P.C. board
1117101401-3_EN.indd 241117101401-3_EN.indd 24 1/12/16 3:18 PM1/12/16 3:18 PM