Checking Procedure - Hitachi PC-ARF Technical Catalogue

4 Individual remote controls
PC-ART

4.2.4 Checking procedure

1 Turn ON the power supply for all the indoor units.
2 Set the "TEST RUN" mode by pressing the "MODE" and "OK" switch simultaneously for more than 3 seconds.
C A U T I O N
In case of the control by using two Remote controllers (Main & Sub), the test run shall be operated by the main controller.
N O T E
• The completion of the automatic address setting requires 3 to 5 minutes after turning ON the power supply.
• The total number of the connected units is indicated on the liquid crystal display.
In case that the indicated number is not correct, some abnormalities exist, incorrect wiring, the electric noise, etc.:
• Turn OFF the power supply and correct the wiring after checking the following points; (Do not repeat turning ON and
OFF within 10 seconds.)
• Power Supply for Indoor Unit is Not Turned ON or Incorrect Wiring.
• Incorrect Connection of Connecting Cable between Indoor Units or Incorrect Connection of Controller Cable.
• Incorrect Setting of Rotary Switch (The setting is overlapped.) on the Indoor Units PCB.
• Check to ensure that the "Test Run" mode is not set.
• Set the required Test Run period by pressing
3 Cancelling "Test Run" Mode.
• When the unit is not operating, press the RESET switch.
• When the unit is operating, press the RUN/STOP switch.
C A U T I O N
When "00" is indicated, the auto address function may be performing. Cancel the "Test Run" mode and set it again.
122
TCGB0106 rev.0 - 12/2014
Test Run
Example when 5 indoor
Period (min)
units are connected
 
and (Min. 10 minutes to Max. 600 minutes).
unit