6  Optional functions
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6
SMGB0077 rev.0 - 01/2013
6.2  Complementary systems
6.2.1  KPI
Optional functions
The following  optional  functions  as shown in next  table  are  available by setting of  PC-ART. Contact your distributor  or 
dealer of HITACHI for the detailed information.
Where Code Function KPI-(E/H)3E KPI-X3E Setting Status Remarks
RCS 
setting
b3
Compressor 3min 
off guard
-
O
00: Valid 
01: Invalid
-
b4 Filter sign
O O
00: Indoor setting 
01: 100h 
02: 1200h 
03: 2500h  
04: no indication
-
b5 Run mode x -
O
00: Normal 
01: Fix
-
b6
Setting temperature 
x
O O
00: Normal 
01: Fix
-
b7 Cooling only x -
O
00: Normal 
01: Fix
-
b8 Auto Cool/Heat -
O
00: Invalid 
01: Valid
-
b9
Air ow x (Fixed air 
fan speed)
-
O
00: Normal 
01: Fix
-
C1
Electrical heater 
signal
O O
00: Disabled 
01: Enabled
-
C3 Fan stoppage delay
O O
00: Disabled 
(Default) 
01: 60 minutes
-
C5
Static pressure 
selection
O O
00: Standard 
01: High pressure 
02: Low pressure
-
C7
CO2 sensor 
enabled
O O
00: Disabled   
(Default) 
01: Enabled
-
Cb
Forced stop logic 
selection
O O
00: A contact 
01: B contact
-
CC
High ventilation 
speed
O O
00: Disabled 
01: Enabled
-
CF Fan stoppage delay
O O
00: Not available 
01: 60 min
-
d1 Power ON/OFF 1
O O
00: Invalid 
01: Valid
-
d3 Power ON/OFF 2
O O
00: Invalid 
01: Valid
-
E1 Ventilation mode
O
O
(*)
00:  Automatic ventilation 
01: Heat exchanger ventilation 
02: Bypass ventilation 
*Bypass not available for 
KPI-Active
E2
Air Volume 
increasing
O O
00: Not activated 
01: Activated
This function is used to make 
higher the room pressure than 
the sorrounded rooms. One of 
the fans increases its speed 
while the other runs accordint 
to the remote controller. 
Hi/Me/Lo --> Hi/Hi/Me
E3
E2 Fan mode 
selection
O O
00: Activated for supply fan 
01: Activated for exhaust fan
-
E4
Precooling / 
Preheating period
O O
00: 0 minutes 
01: 30 minutes 
02: 60 minutes
The unit starting is delayed a 
certain time while A/C system 
starts working.