Toshiba MMD-AP0724H2UL Service Manual page 20

No. Item
9 Recovery control The indoor unit which is under STOP/Thermo-OFF
for heating status or which operates in [FAN] mode performs the
refrigerant (Oil) following controls when it received the heating refriger-
ant (Oil) recovery signal from the outdoor unit.
1) Opens PMV of the indoor unit with a constant
2) Detects temperature of TC2 and then closes PMV.
10 Compensation 1) For 3 minutes after start of operation, the opera-
control for short
intermittent
operation
2) However the thermostat is OFF giving prior to
11 Display of filter 1) The filter sign is displayed with LC by sending the
sign [ ]
∗ Separately set
type
TCB-AX21UL 2) The integrated timer is cleared when the filter-reset
is prepared.
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Outline of specifications
opening degree.
tion is forcedly continued even if the unit enters in
Thermo-OFF condition.
COOL/HEAT selection, READY
and protective control.
filter-reset signal to the remote controller when the
specified time (2500H) elapsed as a result of
integration of the operation time of the indoor fan.
signal is received from the remote controller.
In this time, if the specified time elapsed, the counted
time is reset and the LC display is deleted.
Filter time 2500H
– 20 –
• The indoor unit which is
under thermo-OFF (COOL)
status or which operates in
[FAN] mode stops the indoor
fan and displays [READY
• Recovery operation is usually
performed every 1 hour.
(When there is even 1
indoor unit which the
thermo unit is off)
Usually the priority is given to
5 minutes at outdoor controller
side.
for operation
[ FILTER] goes on.
Remarks
].