Individual Start/Stop (On/Off) Individual Test Operation Function - Toshiba MMY-MAP0804HT8-E Service Manual

(4) Individual start/stop (ON/OFF) individual test operation function

This function is provided to start/stop (ON/OFF) individually each indoor unit connected to the same system by
using switches on the interface board of the header unit.
Set SW01 [16] and set SW02, SW03 to indoor address No. (1 to 64) to be started (Refer to the following table*) -
only the setup indoor unit starts operation.
(In the rotary switches of the indoor unit which operates in a group by the remote controller, the follower unit cannot
be individually started or stopped. In this case, [ - - ] is displayed on 7-segment display [B] on the interface P.C.
board of the header unit.)
<Operation procedure>
0
Power ON
Set up the operation mode of the remote controller.
(If it is not set up, the operation continues with the
current mode.)
Match the rotary
switches on the
interface P.C.
board of the
header unit to the
following table*.
Press the push-switch SW04 on the same board for 2
seconds or more.
(If pressed continuously for 10 seconds or more, the
operation changes to the individual test operation.)
The indoor unit to be started operates.
Press the push-switch SW05
on the interface P.C. board of
the header unit for 2 seconds
or more.
After test operation, return the display select switches
SW01/SW02/SW03 on the interface P.C. board of the
header unit to [1/1/1].
The individual test operation returns to the normal operation after 60 minutes.
NOTE)
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Be sure to turn on power at the indoor side
before power-ON of outdoor unit.
(7-segment display)
[A] [B]
[ ] [ ]
Address display [ 00] is displayed
of corresponding for 5 seconds after
indoor unit operation-ON.
Operation check
If the discharge temperature does not change
though COOL or HEAT has been set up from the
remote controller, misconnection is considered.
(7-segment display)
[A]
[ ]
Address display [ 00] is displayed
of corresponding for 5 seconds after
indoor unit
manuals search engine
If an error is already displayed with SW01/SW02/SW03
being [1/1/1], return the status to normal one according
to troubleshooting and then execute a test operation.
The unit which is not given with priority by heating
priority control, cooling priority control, and selection
of cooling or heating mode is not operated.
In this case, " operation ready" or "
mode controlled" is displayed on the remote controller.
(7-segment display)
[A]
[ ]
Address display
[ 11] is displayed for 5 seconds after operation-ON.
of corresponding
(For individual test operation, [ FF] is displayed.)
indoor unit
*
SW01 SW02
[B]
[ ]
16 1~16
16 1~16
operation-ON.
16 1~16
End
16 1~16
154
operation
7-segment display [A] 7-segment display [B]
SW04 SW05
SW01 SW02 SW03
<Rotary switches>
[B]
[ ]
SW03 Units to be operated
Address 1 to
1 Address 16 }
In individual
individually
start/stop
Address 17 to
2
Address 32 }
individually
Address 33 to
Address 48 }
3
individually
Address 49 to
4 Address 64 }
individually
Start