18
18.1 TEST RUN PROCEDURE BY REMOTE CONTROL SWITCH (PC-ART EXAMPLE)
Turn ON the power source of the units
Counting
number of
connected
units
Operation lamp
Procedure for TEST RUN mode of remote control switch.
Depress the MODE and the OK switches together for more than 3 se-
conds.
a. If TEST RUN and the counting number of the connected units to
the remote control switch (for example ) are indicated on the
remote control switch, the connection of remote control cable is
correct. → Go to
b. If no indication appears or the number of the units indicated is
smaller than the actual number of the units, some abnormalities
exist. → Go to
Remote control
switch indication
Wrong portions Inspection points after the power source OFF
No indication
The power source of outdoor unit is not turned ON.
The connection of the remote control cable is
incorrect.
1 Connecting points of remote control cable, terminal board of re-
mote control switch and indoor unit.
2 Contact of terminals of remote control cable.
The connecting wires of power supply line are
incorrect or loosened.
3 Connection order of each terminal board.
4 Screw fastening of each terminal boards.
Counting number
of connected units
is incorrect
The power source of outdoor unit is not turned ON.
The operating line wiring between indoor unit and
outdoor unit is not connected.
The connection of control cables between each
indoor units are incorrect. (When one remote con-
trol switch controls multiple units).
5 Dip switch setting on printed circuit board.
6 Connection on the PCB.
7 This is the same as item 1, 2, and 3.
Back to after checking
Select TEST RUNNING MODE by depressing MODE Switch (COOL OR HEAT)
Depress RUN/STOP switch.
The TEST RUN operation will be started. (The 2 hours OFF-TIMER will be set and the TEST RUN operation will be nished after 2 hours unit
operation or by depressing the RUN/STOP switch again).
NOTE
TEST RUN operation ignores the temperature limitation and ambient temperature during heating operation to have a continuous operation, but
the protections are alive. Therefore, the protection may activate when the heating TEST RUN operation is performed in high ambient tempera-
ture.
TEST RUN operation time can be modifyed / increased depressing the time switch in the Remote Control.
If the unit do not start or the operation lamp on the remote control switch is ickered, some abnormalities exist. →Go to
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