Hitachi UTOPIA IVX PREMIUM-Serie Bedienungsanleitung Seite 25

COMMISSIONING
11.1 TEST RUN PROCEDURE BY REMOTE CONTROL SWITCH (PC-ART EXAMPLE)
Turn ON the power source of the units

Procedure for TEST RUN mode of remote control switch.
Depress the MODE and the
more than 3 seconds.
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
The power source of outdoor unit is
not turned ON.
The connection of the remote control
No indication
cable is incorrect.
The connecting wires of power supply
line are incorrect or loosened.
The power source of outdoor unit is

not turned ON.
The operating line wiring between
Counting number indoor unit and outdoor unit is not
of connected units connected.
is incorrect
The connection of control cables
between each indoor units are
incorrect. (When one remote control
switch controls multiple units).
Back to  after checking
Select TEST RUNNING MODE by depressing MODE Switch (COOL OR HEAT)

Depress RUN/STOP switch.
a.
The TEST RUN operation will be started. (The 2 hours OFF-TIMER will be set and the TEST RUN operation will be finished after 2
hours unit operation or by depressing the RUN/STOP switch again).
?
N O T E

• 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 temperature.
• TEST RUN operation time can be modified / increased depressing the time switch in the Remote Control.
b.
If the unit do not start or the operation lamp on the remote control switch is flickered, some abnormalities exist. →Go to
15 PMML0398B rev.0 - 11/2015 - P5416651
OK switches together for

Wrong portions
1
2
3
4
5
6
7
Operation lamp

Inspection points after the power source OFF
Connecting points of remote control cable, terminal board of remote control
switch and indoor unit.
Contact of terminals of remote control cable.
Connection order of each terminal board.
Screw fastening of each terminal boards.
Dip switch setting on printed circuit board.
Connection on the PCB.
This is the same as item  1, 2, and 3.
Counting
number of
connected units

