9-3-12. Miswiring (Mispiping) Check
Make sure that the wiring and piping for each room
have the same alphabetical codes (A, B, C).
Connect and secure the power cord.
Use the power cord/cables with thickness, type and
protective devices specified in this manual.
Insulate the unused cords (conductors) with PVC
tape.
1. Turn on the power breaker.
2. Open side panel of the outdoor unit.
3. Start the check.
• Run the indoor unit in A room, and confirm cool
air blow out.
• Conform the indoor unit in B,C rooms do not run,
also check flowing sound of refrigerant is not heard.)
• Stop operation of the indoor unit in A room, and
execute the same checks on the indoor unit in
B and C rooms.
– 49 –
9-3-11. Useful Functions
• For this outdoor unit, the self-diagnonsis is possible
by using five LEDs (Red).
• Refer to the table in page 68 for more details.
* LEDs (Red) (D11 to D15) locate on the sub-control
borad underneath of the inverter.
1. If a trouble occurs, LED (Red) goes on according to
the contents of trouble as shown in the table in
page 68.
2. When two or more troubles occur, LEDs go on
3. Usually, LEDs (Red) go off.
Self-Diagnosis by LED Indication
cyclically (alternately).
Wiring port
D11 D12 D13 D14 D15
LED (Red)
Fig. 9-3-14
For Singapore only y
IMPORTANT INSTRUCTIONS
T o All Installers :
1) Please be reminded that all air conditioner
installed at HDB flat are subjected to amp.
restriction of either 8,5A or 11,0A.
2) It is the installer's responsibility to have the
current release control set correctly for the
type of HDB flat in which the IES unit is
installed.
3) Figure below shows how the connector can
be arranged for the appropriate setting.
Wiring port
CONNECTOR
(CN600)
Connector No.
Full operation
11A
(Delivery )
8,5A
CN600
Short
Open
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