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CAUTION
Only in the Cool mode, you can check the correct
operation of the drain pump.
When the electric cable connection has not been
completed
Remove the control box cover of the indoor unit.
Connect the power supply (220~240V, 50 Hz) to
the L and N terminals.
Reassemble the control box cover and turn on the
indoor unit.
CAUTION
When the float switch is not detected due to
insufficient water on the drain pan, the drain
pump will not work.
If the power supply is directly connected to the
L and N terminals, communication error message
might appear.
After completing the drainage check, turn the
unit off and disconnect the power supply.
Reassemble the control box cover.
c Check whether the drain pump works correctly.
d Check whether the drainage is performing
correctly at the end of the drain pipe.
e Check for leakage at the drain pipe and drain pipe
connection part.
f When leakage occurs, check whether the indoor
unit is level and check the drain hose connection
part, drainpipe connection part and drain pump
connection.
g When the drainage check is completed and the
condensed water remains on the drain pan,
remove the water.
Step 12 Optional: Installing DPM
(Digital Packaged Multi)
NOTE
Only AC052RN4DKG, AC071RN4DKG and AC035RN1DKG
models are available to install DPM.
When installing DPM, you should set "DPM setting" to
the outdoor unit.
You do not need to set the address manually for the
indoor unit.
If DPM model is not set, communication error may
occur.
While the outdoor unit is tracking the indoor unit for
one minute after the power supply is turned on, the
operation may stop if the remote control reception
signal of the installed indoor unit is different.
To enable Level control with the centralized controller,
refer to page 31.
CAUTION
When installing DPM, only one external controller can
be connected.
Step 13 Connecting the power and
communication cables
CAUTION
Always remember to connect the refrigerant pipes
before performing the electric connections.
When disconnecting the system, always disconnect
the electric cables before disconnecting the
refrigerant pipes.
For the product that uses the R-32 refrigerant, be
cautious not to generate a spark by keeping the
following requirements:
– Do not remove the fuses with power on.
– Do not disconnect the power plug from the wall
outlet with power on.
– It is recommended to locate the outlet in a high
position. Place the cords so that they are not
tangled.
Always remember to connect the air conditioner to
the grounding system before performing the electric
connections. Use a crimp ring terminal at the end of
each wire.
The indoor unit is powered through the outdoor unit by
means of a H07 RN-F connection cable (or a more power
model), with insulation in synthetic rubber and a jacket
in polychloroprene (neoprene), in accordance with the
requirements specified in the standard EN 60335-2-40.
1 Remove the screw on the electrical component box
and remove the cover plate.
2 Route the connection cord through the side of the
indoor unit and connect the cable to the terminals
refer to the figure below.
3 Route the other end of the cable to the outdoor unit
through the ceiling & the hole on the wall.
19
English
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