1 
Setting of the operation lock, press “
” and “ ” (return) 
simultaneously for 3 seconds. The icon of “
” will be turned 
ON. Even when “ ” or “ ” is pressed, locked setting items 
will be skipped.
A/C
MODE SPEED TEMP
COOL
HIGH
Meeting Room
OK
2 
Cancellation of the operation lock, press “
” and “ ” (return) 
simultaneously for 3 seconds. “
” will be turned OFF, and 
operation lock will be canceled.
 NOTE
•  Every time pressing “ ” and “ ” (return) simultaneously  for  3 sec-
onds, the operation lock  state  will be switched  alternately  to locked/
unlocked.
•  Select the functions to lock at the function selection setting. Contact 
your distributor or dealer of HITACHI for detailed information.
OK
A/C
MODE SPEED TEMP
COOL
HIGH
SPEED ADJ
Meeting Room
4.1.4.2 Test run menu
 
Test run
1  Turn ON the power supply for all the indoor units.
2  For the models with the auto-address function, wait for 3 minutes approximately. The addressing is automatically 
performed. (There is  a case that 5 minutes are required according to  the setting condition.) After  that, select using 
language from “Menu”.
3  Press and hold “
” (menu) and “ ” (return) simultaneously for at least 3 seconds.
Test run screen
a.  The test run menu is displayed.
ADJ
/
OK
Test Run Menu
 Test Run
  Function Selection
  Thermistor Selection
  Input/Output
  Function 5
01
03
ENT
TN.SEL.
b.  Select “Test Run” and press “OK”. The test run settings are 
displayed then.
Test Run Setting: 2 units
MODE
SPEED
MED
LOUV.
SEL. ADJ
T-RUN TIME
120MIN
COOL
RTN.RUN
 NOTE
When “00” is indicated, the auto-address function may be performing. Cancel 
“Test Run” mode and set it again.
Test Run Setting: 00 unit
MODE
SPEED
MED
LOUV.
SEL. ADJ
T-RUN TIME
120MIN
COOL
RTN.RUN
4 Individual remote controls
PC-ARF
TCGB0106 rev.0 - 12/2014
67
4