Hitachi UTOPIA IVX STANDARD Series - Test Run Procedure by Remote Control Switch (PC-ART Example)

11.1 TEST RUN PROCEDURE BY REMOTE CONTROL SWITCH (PC-ART EXAMPLE)

Turn ON the power source of the Indoor and Outdoor Units

Counting
number of
connected units
05

Operation lamp

Set the TEST RUN mode by remote control switch.
Depress the “MODE” and the “ OK” switches simultaneously
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
Wrong Portions Inspection Points after 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 Remote
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 control switch controls multiple
units)
5 Dip Switch Setting on Printed Circuit Board
6 Connecting 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temperature.
• 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 
COMMMISSIONING
PMML0395B rev.0 - 11/2015
18