Carrier RAV-SP180UT-UL Service Manual page 48

No. Item
13 HA control
14 Frequency fixed
operation (Test run)
15 Filter sign display
(Except wireless type)
∗ It is provided on the
separately sold type
TCB-AX21UL.
Outline of specifications
1) This control is connected to TV control 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 works. 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 [CHK] 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 [CHK] button to clear the test run mode.
([TEST] display in the display part disappears and the
status returns to the normal stop status.)
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.
– 48 –
Remarks
In the group operation,
use this control by
connecting to either
master or follower
indoor unit.
Command frequency is
approximately [S7]
[FILTER ] goes on.