Service Manual

58
No.
13
Item
Filter sign display
(Except wireless type)
It is provided on the
separately sold type
TCB-AX21E2.
Outline of specifications
1) The operation time of the indoor fan is calculated,
the filter reset signal is sent to the remote
controller when the specified time (2500H) has
passed, and it is displayed on LCD.
2) When the filter reset signal has been received from
the remote controller, time of the calculation timer
is cleared.
In this case, the measurement time is reset if the
specified time has passed, and display on LCD
disappears.
Remarks
[FILTER ] goes on.
Specified time: 2500H
14 Central control mode
selection
Display at remote control-
ler side
(No display)
[Central ] goes on
[Central
] goes on
[Central
] goes on
[Central
] goes on
Save operation15 1) Turn on
SAVE
button on the remote controller.
2) During operation of save operation,
SAVE
lights on
the wired remote controller.
3) During save operation, the current release control
is performed with the restriction ratio set in
EEPROM on the outdoor unit.
4) The restriction ratio can be set by keeping
SAVE
button pushed for 4 seconds or more on the
remote controller.
5) When validating the save operation, the next
operation starts with save operation valid because
contents are held even when operation stops,
operation mode changes or power supply is reset.
6) The restriction ratio can be set by changing the
setup data of Item code (DN) [C2] in the range of
50 to 100% (every 1%, Setting at shipment: 75%).
Operation and display also
are unavailable on the wired
remote controller
RBC-AMT31E and before.
Carry out setting operation
during stop of the unit;
otherwise
the unit stops
operation.
For the setup operation,
refer to How to set up
contents of save operation
of Installation Manual.
The setting of the save
operation differs according
to combination of the
outdoor units to be
connected.
(Although the setting value
of the remote controller
varies on the display, the
real operation of the air
conditioner itself is
Fixed with 75%.)
1) Setting at the centerl controller side enables to
select the contents which can be operated on the
remote controller at indoor unit side.
2) Setup contents
64 line central controller (TCB-SC642TLE2)
[Individual]: Operated on the remote controller
(Priority to second pushing)
[Central 1]: ON/OFF operation cannot be oper-
ated on the remote controller.
[Central 2]: ON/OFF, mode selection, temp. setup
operations cannot be operated on the
remote controller.
[Central 3]: Mode selection and temp. setup
operations
cannot be operated on the
remote controller.
[Central 4]: Mode selection cannot be operated
on the remote controller.
In case of the wireless type, the display lamp
does not change but the contents are same.
If operating an item which is prohibited by the
central control mode from the remote controller, it
is notified with the receive sound, Pi, Pi, Pi, Pi, Pi
(5 times).