Toshiba MM-A0160HX, Service Manual

Page: 44 / 135

45
11
Outline of Control
Indoor Units
Item Operation explanation and applied data, etc. Remarks
11. Auto louver
control
(1) When the louver signal has been received from the
remote controller or the central controller, the auto
turn louver operates if the indoor fan is operating.
12. Frequency fix
operation
(Trial
operation)
(1) When holding the START/STOP SW on the remote
controller continuously for 5 seconds, the mode
changes to Trial operation mode. Then, set the
indoor fan to “HIGH” mode to operate the
frequency fix.
• Command frequency
COOL [SD]
“COOL L”
• HEAT [SF]
“HEAT H”
13. Filter sign
display
(1) The operation time of the indoor fan is measured
and stored in memory, and it is displayed on the
remote controller LCD after the specified time
(120H/2500H).
Selection of 120H/2500H is factory set.
(2) When the filter reset signal has been received from
the remote controller, the measured time is reset
and LCD display is cleared.
• “FILTER” is displayed
• Selection of J11
presence
14. STANDBY
display
(1) When phase order of the power source wiring is
incorrect.
• Over capacity combination of indoor units.
• There is an indoor unit with the indoor overflow
alarm “0b”.
(2) The above indoor unit status that cannot operate
enters standby status when the thermostat is turned
off, and this status continues until STANDBY status
is released.
• “STANDBY” is
displayed
15. Central
controller
selection
(1) The functions which can be operated on the indoor
unit remote controller can also be selected on the
central controller.
[Last-push priority]:
Can be operated from both the indoor unit remote
controller and the central controller, and operates
with the content as per last selection.
[Central]:
START/STOP and the timer operation can be
selected by the IDU remote controller.
[Operation forbidden]:
Cannot be operated on the indoor unit remote
controller (as STOP status).
• (No display)
• “CENTRAL” is
displayed
• “CENTRAL” flashes