Test Run Procedure Using The Remote Control Switch (Pc-Art) - Hitachi RASC-4HNPE Service Manual

7 Commissioning

Test run procedure using the remote control switch (PC-ART)

7.3 Test run procedure using the remote control switch (PC-ART)
É Turn ON the power source of the indoor units and the RASC units
Set the TEST RUN mode by means of the remote control switch.
Press the MODE switch and the OK switch simultaneously for more
than three seconds.
a) If the TEST RUN indication and the counting number of the
connected units to the remote control switch (for example "05")
Ê
are displayed on the remote control switch, the connection of
remote control cable is correct. Go to .
b) If no indication or "00" appears or if the number of the units that
is displayed is smaller than the actual number of the units, there
is some abnormal operation.
Go to .
RCS indication
•
The power source is not turned ON.
•
The connection of the remote control cable is
No indication incorrect.
•
The connect wires of the power supply line
are incorrect or loosened.

•
The power source of RASC unit is not turned
ON.
The counting
•
The setting of the unit number is incorrect.
number of the
•
The connection of the control cables between
connected units
is incorrect
each indoor unit is incorrect. (When multiple
units are controlled by one remote control
switch).
Back to É after the checking
 Select the TEST RUN mode by pressing the MODE switch (COOL OR HEAT).
Press the RUN/STOP switch.
a) The TEST RUN operation will start. (The TEST RUN operation will be finish after two hours. You can also
finish the TEST RUN operation by pressing the RUN/STOP switch again).
?
N O T E
Í
• 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 does not start or if the operation LED on the remote control switch is flickering, there is some
abnormal operation. Go to .
123 SMGB0091 rev.2 - 11/2015
Operation

Fault
1
2
3
4
5
6
7
8
LED
Inspection points after the power source is OFF
The connection between the remote control and the
unit is correct.
Connecting points of the remote control cable.
The contact of the connectors of the remote control
cable.
The screw fastening of each terminal board.
Setting of the DIP switches on the printed circuit
board.
Wire connection order of the bridge cable.
Connecting points of the bridge cable.
The contact of the connectors of the bridge cable.
Counting
number of the
connected
units

7