6. Optional functions
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SMGB0079 rev.0 - 01/2013
6
6.3  Optional functions (By remote control switch)
Additionally to the possible optional functions by the 7-segment display of the outdoor unit’s PCB, there are available a 
large quantity of optional functions for each remote control switch connected to the system.
An example of the available optional functions by one of the HITACHI remote control switches (PC-ART) is shown below:
  N O T E
• Please,refertotheController’sTechnicalCatalogueforthespecicinformationabouttheoptionalfunctions
ofPC-ARTandfortherestofHITACHI’sremotecontrols.
• TheoptionalfunctionsshowninthefollowingtableforPC-ARTarethelastupdatedattimeofpublication.In
ordertoknowthecurrentoptionalfunctions,refertotheController’sTechnicalCatalogue.
Items Optional function
Individual 
setting
Setting 
condition
Contents
b1
Removal of heating temperature  
compensation
○
00 Standard (Set temperature +4ºC)
01 Removal (Set temperature)
02 Set temperature +2ºC (*1)
b2 Circulator function at heating Thermo-OFF ○
00 Not available
01 Available
b3 3 minutes OFF guard compressor ○
00
01
Not available
Available
b4 Period for lter sign ○
00 Standard
01 100 hours
02 1,200 hours
03 2,500 hours
04 No indication
b5 Fixing of operation mode ×
00 Not available
01 Available
b6 Fixing of setting temperature ×
00 Not available
01 Available
b7 Fixing cooling operation ×
00 Not available
01 Available
b8 Automatic COOL/HEAT operation ×
00 Not available
01 Available
b9 Fixing fan speed ×
00 Not available
01 Available
bA Not prepared × “- -” Fixed Not used
bb Cooling temperature compensation ○
00 Standard (No compensation)
01 Set temperature -1ºC
02 Set temperature -2ºC
bC Not prepared -
00 Not used
01 (Use as 00 conditions)
bd Not prepared -
00 Not used
01 (Use as 00 conditions)
bE Not prepared -
00 Not used
01 (Use as 00 conditions)
C1 Not prepared -
00 Not used
01 (Use as 00 conditions)