Function To Start/Stop (On/Off) Indoor Unit From Outdoor Unit; Interface P.c. Board - Toshiba Super MMU-AP0091H Service Manual

8-7-2. Function to Start/Stop (ON/OFF) Indoor Unit from Outdoor Unit

The following functions of the indoor unit can start or stop by the switches on the interface P .C. board of the header unit.
No. Function
1 Cooling test Changes the mode of all the connected indoor
operation units collectively to cooling test operation.
Note) Control operation same as usual test
operation from remote control is
performed.
2 Heating test Changes the mode of all the connected indoor
operation units collectively to heating test operation.
Note) Control operation same as usual test
operation from remote control is
performed.
3 Batch start Starts all the connected indoor units collec-
tively.
Note) The contents follow to the setup of
remote controller.
Batch stop Stops all the connected indoor units collec-
tively.
4 Individual Starts the specified indoor unit.
start
Notes)
• The contents follow to the setup of remote
controller.
• The other indoor units keep the status as
they are.
Individual stop Stops the specified indoor unit.
Note) The other indoor units keep the status
as they are.
Individual test Operates the specified indoor unit.
operation
Note) The other indoor units keep the status
as they are.
NOTE 1) This start/stop function only sends the signals from the outdoor unit to the indoor unit, such as start, stop,
operation mode, etc. It does not resend the signals even if the indoor unit does not follow the sent signals.
NOTE 2) The above controls are not used during abnormal stop.

Interface P.C. board

Outline
7-segment display [A] 7-segment display [B]
SW04 SW05
SW01 SW02 SW03
<Rotary switch>
Setup/Release
[Setup]
Push SW04 for 2 seconds or more
with SW01"2", SW02"5", SW03"1".
[Release]
Return SW01, SW02, SW03 to "1".
[Setup]
Push SW04 for 2 seconds or more
with SW01"2", SW02"6", SW03"1".
[Release]
Return SW01, SW02, SW03 to "1".
[Setup]
Push SW04 for 2 seconds or more
with SW01"2", SW02"7", SW03"1".
[Release]
Return SW01, SW02, SW03 to "1".
[Setup]
Push SW05 for 2 seconds or more
with SW01"2", SW02"7", SW03"1".
[Release]
Return SW01, SW02, SW03 to "1".
[Setup]
Push SW04 for 2 seconds or more set
SW01 "16" and set SW02 and SW03
to address No. (1 to 64) to be started.
[Release]
Return SW01, SW02, SW03 to "1".
[Setup]
Push SW05 for 2 seconds or more set
SW01 "16" and set SW02 and SW03
to address No. (1 to 64) to be stopped.
[Release]
Return SW01, SW02, SW03 to "1".
[Setup]
Push SW04 for 10 seconds or more
set SW01 "16" and set SW02 and
SW03 to address No. (1 to 64) to be
operated.
[Release]
Return SW01, SW02, SW03 to "1".
114
7-segment display
Section A Section B
[C ] [ –C]
Section A Section B
[H ] [ –H]
Section A Section B
[CH] [ 11]
[ 11] is displayed on
Section B for 5 seconds.
Section A Section B
[CH] [ 00]
[ 00] is displayed on
Section B for 5 seconds.
Section A Section B
[ ] [ ]
Section A:
Displays the corresponding
indoor address.
Section B:
Displays [ 11] for 5 seconds
from operation-ON.
Section A Section B
[ ] [ ]
Section A:
Displays the corresponding
indoor address.
Section B:
Displays [ 00] for 5 seconds
from operation-OFF.
Section A Section B
[ ] [ ]
Section A:
Displays the corresponding
indoor address.
Section B:
Displays [ FF] for 5 seconds
from test operation-ON.