Toshiba MMD-AP0721HP-UL1 Service Manual page 19

NO. Item
Filter sign 1. The indoor fan's cumulative hours of operation are counted, and when
these exceed the prescribed value (2500H), a filter replacement signal
display
is sent to the remote control to display a filter sign on it.
(not applicable
2.
When a filter reset signal is received from the remote control, the timer
to wireless type)
measuring cumulative hours is cleared. If the prescribed hours have
13
been exceeded, the hours count is reset, with the sign on the remote
control display erased.
Filter service life
Operation <Operation standby> .......... Displayed on remote control
standby
1. When any of the DN codes listed below is displayed
Heating standby
• "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. Forced thermostat OFF
• "COOL / DRY" operation is unavailable because at least one indoor
unit is operating in "HEAT" mode.
• "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).
3. All indoor units not able to engage in any of the above operations
14
stand by in thermostat OFF state.
4. The indoor fan has been turned off because the system is engaged in
a heat refrigerant (oil) recovery operation.
<Heating standby> .......... Displayed on remote control
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).
1. The range of operations that can be performed via an indoor unit
Selection of
central control remote control can be determined through the setting of the central
control.
mode
2. Setting details
TCC-Link central control
Operation
via TCCLink
central
control
Individual
Central 1
Central 2
15
Central 3
Central 4
(
Specification outline
Operation on RBC-AMT32UL
Operation
Timer
Start / stop
mode
selection setting
selection
× ×
× × ×
×
×
×
: Accessible : Inaccessible)
2500H
Air flow
Temperature Fan speed
direction
setting setting
setting
×
×
- 19 -
Remarks
"FILTER " displayed
• "OPERATION
STANDBY
displayed
No display
provided on
wireless remote
control
• "HEATING
STANDBY
displayed
In the case of a wired
•
remote control,
"CENTRAL
CONTROL IN
PROGRESS
displayed (lit up) while
in central control
RBC-
AMT32UL
mode.
display
•
The display blinks
when a control
function inaccessible
"CENTRAL
to a remote control is
CONTROL
IN
chosen.
PROGRESS"
•
A wireless remote
control has the same
set of control
functions, although
there is no display.
When a control
operation is
performed via a
wireless remote
control while in
central control mode,
a peep sound alert (5
times) is provided.
"
"
" is