63
No.
8
9
10
11
12
13
Item
Recov ery control for
cooling oil
(Refrigerant)
Recov ery control for
heating refrigerant
(Oil)
Compensation
control for short
intermittent operation
Elimination of
retained heat
HA control
Display of filter sign
[
]
(Not prov ided to the
wireless type)
∗
Separately set type
TCB-AX21E2 is
prepared.
Outline of specifications
The indoor unit which is under STOP/Thermo-OFF
status or which operates in [FAN] mode performs the
following controls when it receiv ed the cooling oil
(Refrigerant) recov ery signal from the outdoor unit.
1) Opens PMV of the indoor unit with a constant
opening degree.
2) Operates the indoor fan for approx. 3 minutes
during recov ery control and after finish of control.
The indoor unit which is under STOP/Thermo-OFF
status or which operates in [FAN] mode performs the
following controls when it receiv ed the heating refrigerant
(Oil) recov ery signal from the outdoor unit.
1) Opens PMV of the indoor unit with a constant
opening degree.
2) Stop the indoor fan.
1) For 3 minutes after start of operation, the operation
is forcedly continued ev en if the unit enters in
Thermo-OFF condition.
2) Howev er the thermostat is OFF giv ing prior to
COOL/HEAT selection, ready for operation and
protectiv e control.
1) When the unit stopped from [HEAT] operation, the
indoor fan operates with [L] for approx. 30 seconds.
1) ON/OFF operation is av ailable by input of HA
signal from the remote site when connected to
remote controller or the remote ON/OFF interface.
2) HA control outputs ON/OFF status to HA terminal.
3) The I/O specifications of HA conform to JEMA
standard.
1) The filter sign is displayed with LC by sending the
filter-reset signal to the remote controller when the
specified time (15 0H) elapsed as a result of integra-
tion of the operation time of the indoor fan.
2) The integrated timer is cleared when the filter-reset
signal is receiv ed from the remote controller.
In this time, if the specified time elapsed, the counted
time is reset and the LC display is deleted.
Remarks
• Recov ery operation is
usually performed ev ery
2 hours.
• The indoor unit which is
under thermo-OFF
(COOL) status or which
operates in [FAN] mode
stops the indoor fan and
displays [
].
• Recov ery operation is
usually performed ev ery
1 hour.
Usually the priority is giv en
to 5 minutes at outdoor
controller side.
When using HA terminal
(CN61) for the remote ON/
OFF, a connector sold
separately is necessary.
In case of group operation,
use the connector to
connect HA terminal to
either master or follower
indoor unit.
[
FILTER] goes on.
FILE NO. SVM-
16046