Individual Start/Stop (On/Off) Individual Test Operation Function - Toshiba MMY-MUP0801HT8JP Service Manual

(5) 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 128) 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>
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
(7-segment display)
switches on the
[A]
interface P.C.
[
board of the
header unit to the Address display
of corresponding
following table*.
indoor unit
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].
NOTE) The individual test operation returns to the normal operation after 60 minutes.
Be sure to turn on power at the indoor side
before power-ON of outdoor unit.
[B]
] [ ]
[ 00] is displayed
for 5 seconds after
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] [B]
[ ] [ ]
Address display [ 00] is displayed
of corresponding for 5 seconds after
indoor unit operation-ON.
If a check code 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.
Interface P.C. board
(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 SW03
16 1 to 16
16 1 to 16
16 1 to 16
16 1 to 16
16 1 to 16
16 1 to 16
16 1 to 16
16 1 to 16
End
- 153 -
operation
Push switch
SW04 SW05 SW06
7-segment
display [A]
SW01 SW02 SW03
Rotary switches
[B]
[ ]
Indoor unit address
1 1 to 16 Set number of SW02
2 17 to 32 Set number of SW02 + 16
3 33 to 48 Set number of SW02 + 32
4 49 to 64 Set number of SW02 + 48
5 65 to 80 Set number of SW02 + 64
6 81 to 96 Set number of SW02 + 80
7 97 to 112 Set number of SW02 + 96
8 113 to 128 Set number of SW02 + 112
7-segment
display [B]
Start