Toshiba RAV-HM401CTP Series Service Manual page 35

No. Item
13 HA control
14 Frequency fixed
operation (Test run)
15 Filter sign display
(Except wireless
type)
Outline of specifications
1) This control is connected to telecontrol system or remote
start/stop I/F, etc, and start/stop are available by HA signal
input from the remote position.
2) This control outputs start/stop status to HA output terminal.
3) I/O specifications conform to JEMA regulations.
4) This control outputs [Operation OFF (STOP) signal] to HA
output terminal while self-cleaning operation. However selection
of [Operation ON (Operating) signal] is possible by changing
[0000 (At shipment)] of CODE No. (DN) [CC] to [0001]. In this
case, if HA is input during self-clean operation during operation
of the air conditioner, the self-clean operation is not performed.
(Unit stops.)
<In case of wired remote controller>
1) When pushing [TEST] button for 4 seconds or more, [TEST]
is displayed on the display screen and the mode enters in
Test run mode.
2) Push [ON/OFF] button.
3) Using [MODE] button, set the mode to [COOL] or [HEAT].
• Do not use other mode than [COOL]/[HEAT] mode.
• During test run operation, the temperature cannot be
adjusted.
• An error is detected as usual.
• A frequency fixed operation is performed.
4) After the test run, push [ON/OFF] button to stop the operation.
(Display in the display part is same as the procedure in Item 1.)
5) Push [TEST] button to clear the test run mode.
([TEST] display in the display part disappears and the
status returns to the normal stop status.)
<In case of wireless remote controller>
1) When TEMPORARY button is pushed for 10 seconds or
more, "Pi!" sound is heard and the operation changes to test
run. After approx. 3 minutes, a cooling operation starts
forcedly.
Check cool air starts blowing. If the operation does not start,
check wiring again.
2) To stop a test operation, push TEMPORARY button once
again (Approx. 1 second).
Check wiring / piping of the indoor and outdoor units in test
run.
TEMPORARY button
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.
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Remarks
In the group opera-
tion, use this control
by connecting to
either header or
follower indoor unit.
Command frequency
is approximately [S7]
[FILTER ] goes on.