Hitachi PC-ARFG-E Installation & Operation Manual page 59

SERVICE & INSTALLATION MENU
Element Optional function
d4 Not used
Prevention of low air outlet
d5
temperature in heating mode
d6 Not used
Econofresh: Minimum
d7 opening angle of the outdoor
air (OA) damper
KPI: Ventilation mode
DX-Interface:
"A" Offset for Thermo-OFF in
E1
control by outlet for
DX-Interface
Econofresh: cooling mode
KPI: Increase of air supply
volume
E2
Econofresh enthalpy sensor
Not used
Only for KPI-E4E and
E3
KPI-X4E:
Selection of the fan for
function E2
45 PMML0565 rev.1 - 04/2022
Individual
Settings
setting
00
O -
01
00 Function disabled (factory setting)
O
01 Function enabled
00
– -
01
00 6º (factory setting)
01 12º
02 18º
03 24º
O
04 30º
05 36º
06 42º
07 48º
00 Automatic ventilation (factory setting)
01 Ventilation with total heat exchanger
Ventilation with bypass
02
(no total heat exchange)
00 Disabled (factory setting)
O 01 2°C
02 4°C
00 Standard process (factory setting)
01/02 All Fresh
Disabled function
00
(factory setting)
01 Enabled function
O
00 Disabled function (factory setting)
01 Enabled function
00
– -
01
00 Activated for supply fan
–
01 Activated for exhaust fan
Setting conditions Description
Use at 00 conditions
This function prevents the
occurrence of an excessively
cold air flow in heating mode
by decreasing the fan speed
during heating operation, also
taking into account the setting of
function C5
Use at 00 conditions
This function is used to set the
minimum opening angle of the
damper for fresh outdoor air.
This function allows the outdoor
air damper to be opened in All
Fresh operation mode. This
mode allows the full opening
of the outdoor air damper
(according to the control
system).
This function allows the outdoor
air damper to be opened in All
Fresh operation mode. This
mode allows to fully open the
outdoor air damper (according
to the control system).
This function is used to make
the room pressure higher or
lower than the surrounded
room. One of the fans Increases
its speed while the other runs
according the remote controller.
Hi/Me/Lo change to Hi/Hi/Me.
This function selects the
enthalpy sensor input for
Econofresh.
Use at 00 conditions
This function selects which fan
will increase the speed
(when E2 enables this function).