Toshiba R410A Service Manual page 104

3. Batch start/stop (ON/OFF) function
This function is provided to start/stop collectively all the indoor units connected to the same system by using
switches on the interface P .C. board of the outdoor unit.
Operation procedure
Power ON
Set up the operation mode of the remote controller.
(If it is not set up, the operation continues in the current mode.)
(FAN/COOL/HEAT)
Set on the interface P.C. board of the header unit SW01 to [2],
Sw02 to [7], and SW03 to [1] respectively. ([CH ] is displayed
on 7-segment display [A].)
Push SW04 on the interface P.C. board of the header unit for
2 seconds or more.
The indoor unit to be started operates.
Push the push-switch SW05 on the interface P.C. board of the
header unit for 2 seconds or more.
After test operation, return the rotary switches SW01, SW02,
and SW03 on the interface P.C. board of the header unit to
[1], [1], [1] respectively.
Be sure to turn on power at the indoor side before power-ON of outdoor unit.
If an error is already displayed under condition of
SW01 [1], SW02 [1], SW03 [1], resolve the problem
using the troubleshooting guide and then execute the
test operation.
If the operation is set "heat", indoor unit which is set to
"cool priority" will not operate
If the operation is set to "cool", indoor unit which is set to
"heat priority" will not operate
Start
Stop
End
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or will be displayed.
or will be displayed.