Hitachi PC-ARFG-E Installation & Operation Manual page 49

SERVICE & INSTALLATION MENU
Element Optional function
Management of indoor unit
d3 operation after a power
supply cut off - option 2
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
44 PMML0565 rev.0 - 09/2021
Individual
Settings
setting
Function disabled
00
(factory setting)
O
01 Function enabled
00
O -
01
Function disabled
00
(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
Automatic ventilation
00
(factory setting)
01 Ventilation with total heat exchanger
Ventilation with bypass
02
(no total heat exchange)
00 Disabled (factory setting)
01 2ºC
O
02 4ºC
Standard process
00
(factory setting)
01/02 All Fresh
Disabled function
00
(factory setting)
01 Enabled function
O
Disabled function
00
(factory setting)
01 Enabled function
Setting conditions Description
When power supply is restored,
the indoor units controlled by the
wired remote control switch are
turned on automatically ONLY
if they were already ON at the
time of the last power cut off.
If indoor units were OFF when
power was turned OFF, they
remain in OFF status when
power is restored.
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.