Hitachi CENTRIFUGAL VRF RASC-HNPE Serie Manual De Instrucciones página 30

COMMISSIONING
11.2 TEST RUN PROCEDURE BY REMOTE CONTROL SWITCH (PC-ART EXAMPLE)
Turn ON the power source of the Indoor unit and RASC unit

Set the TEST RUN mode by remote control switch.
Depress the "MODE" and the "
for more than 3 seconds.
a.
If "TEST RUN" and the counting number of the
connected units to the remote control switch (for
 example 05 are indicated on the remote control
" ")
switch, the connection of remote control cable is
correct. → Go to 
b.
If no indication appear 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 RASC Unit is not
turned ON.
The connection of the remote control cable
No indication
is incorrect.
The connecting wires of power supply line
are incorrect or loosened.

The power source of RASC Unit is not
turned ON.
The operating line wiring between indoor
Counting number
unit and RASC unit is not connected.
of connected units
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.
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.
If the unit do not start or the operation lamp on the remote control switch is flickered, some abnormalities exist. →Go to
20 PMML0399B rev.0 - 11/2015
OK" switches simultaneously

Wrong Portions
Operation lamp

Inspection Points after Power Source OFF
1
Connecting Points of Remote Control Cable terminal board of Remote
Control switch and indoor unit.
2
Contact of Terminals of Remote Control Cable
3
Connection Order of each Terminal Board
4
Screw Fastening of each Terminal Boards.
5
Dip Switch Setting on Printed Circuit Board
6
Connecting on the PCB
7
This is the same as item 
Counting
number of
connected
05
units

1, 2 , and 3.
