– 54 –
NO. Item Specification outline Remarks
14 Filter sign
display
(not applicable
to wireless type)
* Provided in
the separately
mounted type,
TCB-AX21UL.
1. The indoor fan’s cumulative hours of operation are counted, and when these
exceed the prescribed value (150H/2500H), a filter replacement signal is sent to
the remote controller to display a filter sign on it.
2. When a filter reset signal is received from the remote controller, the timer
measuring cumulative hours is cleared. If the prescribed hours have been
exceeded, the hours count is reset, with the sign on the remote controller display
erased.
“FILTER
” displayed
Filter service life 2500H 150H
Type
4-way cassette type
Medium Static Ducted type
Concealed duct high static
pressure type
Slim duct type
High wall type
Floor Console exposed type
Floor Console Recessed
type
15 Operation
standby
Heating
standby
<Operation standby> .......... Displayed on remote controller
1. When any of the DN codes listed below is displayed
• “P05” - Detection of an open phase in the power supply wiring
• “P10” - Detection of indoor flooding in at least
one indoor unit
• “L30” - Detection of an interlock alarm in at least one indoor unit
2. All indoor units not able to engage in any of the above operations stand by in
thermostat OFF state.
3. The indoor fan has been turned off because the system is engaged in a heat
refrigerant (oil) recovery operation.
<Heating standby> .......... Displayed on remote controller
1. Normal thermostat OFF
• During heating, the indoor unit goes thermostat OFF as the heating
temperature setting is reached.
2. During heating, the fan rotates at a breeze speed (UL or lower) or remains
stationary to prevent cold air from being
discharged (including defrosting
operation).
3. Forced thermostat OFF
• “HEAT” operation is unavailable because at least one indoor unit is operating in
“COOL/DRY” mode under priority cooling setting (bit 1 of SW11 on outdoor I/F
P.C. board ON).
• “OPERATION
STANDBY
”
displayed
No display
provided on
wireless remote
controller
• “HEATING
STANDBY
”
displayed
16 Selection of
central control
mode
1. The range of operations that can be performed via an indoor unit remote controller
can be determined through the setting of the central controller.
2. Setting details
• In the case of a
wired remote
controller,
“CENTRAL
CONTROL IN
PROGRESS
”
is displayed (lit
up) while in
central control
mode.
• The display blinks
when a control
function
inaccessible to a
remote controller
is chosen.
• A wireless remote
controller has the
same set of
control functions,
although there is
no display.
When a control
operation is
performed via a
wireless remote
controller while in
central control
mode,
a peep sound
alert (5 times) is
provided.
Operation
via TCC-
Link central
control
RBC-
AMT32UL
display
Operation via RBC-AMT32UL
TCC-Link central control
( : Accessible : Inaccessible)
Individual
“CENTRAL
CONTROL
IN
PROGRESS”
Start/stop
selection
Operation
mode
selection
Temperature
setting
Fan speed
setting
Timer
setting
Air flow
direction
setting
Central 1
Central 2
Central 3
Central 4
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