Process of Testing Indoor Unit
Once the unit is energized, it will
When the unit has communication malfunction which causes failure
of self-diagnosis or malfunction of indoor unit needs to be independently
inspected, it will turn to manual testing mode. This section is the process
of manual test for indoor unit.
When the unit is de-energized, connect three-core wire to patching board
of indoor unit as per corresponding color.
Note: in that case, communication wire of tester and indoor unit shall be
connected in parallel. Suspend the communicat
ion wire of outdoor unit and
don’t let it contact with other conducting body.
enter welcome interface and 1 second later,
it will automatically turn to function selection
interface. Press button selection interface.
Press button
“▲”or “▼”to select “ test
IDU”
function and press button” ENTER” to
enter it, which is as shown below.
function selection:
test ODU
self - diagnosis
test IDU
function selection:
test ODU
self - diagnosis
disconnect communica-
tion wire of ODU
test IDU
under testing. . .
After confirming that the communication
wire of outdoor unit has been disconnected,
press button “ENTER” to enter test interface
to start the test.
After entering the function, system will
“test IDU under testing” is displayed
and it starts to test the unit.
show “ disconnect communication wire of ODU”.
patching board. If not, disconnect the comm-
unication wire after de-energization. Then
energize it and enter the function again.
In that case, user shall confirm if communication
wire of outdoor unit has been removed form
Live wire connects to terminal
of live wire (brown); neutral wire connects to terminal of neutral wire(blue);
communication wire connects to terminal of communication wire (black).
disconnect communica-
tion wire of ODU
test IDU
under testing. . .
Interface displayInstruction of operation procedure
Function Selection Interface
Prompting Interface for Disconnecting
Test Interface
Wire
6
test IDU