Hitachi PC-ARH1E - Input and Output Selection

No. Item Optional function
Individual
Setting
Settings Setting conditions Description
36
d7
Not available -
“- -”
permanent
– –
37
e1
Not Used -
00
- Use as 00 conditions
01/02
38
e2
Not Used -
00
- Use as 00 conditions
01
39
E3
Not used -
00
- Use at 00 conditions
01
40
e4
Not Used -
00
- Use as 00 conditions
01/02
41
E5
Not used -
00
- Use at 00 conditions
01
42
E6
Period of indoor fan
operation after cooling
operation stoppage
○
00
Disabled function
(factory setting)
This function prevents the
condensation in the unit by
keeping the fan running after the
unit operation has been turned
OFF.
01 60 minutes
02 120 minutes
43
E7
Not used -
00
- Use at 00 conditions
01
44
E8
Control for stop of the indoor
unit fan during heating
thermo OFF conditions (with
remote sensor THM-R2AE
connected to the THM4
connector in the indoor unit
PCB)
○
00 Fan operation in Low speed
This function stops the fan
to prevent cold draughts or
overheating.
C8 must be set to 01 to use the
E8=01 setting.
The connection of a THM-R2AE
remote temperature sensor to the
THM4 port in the indoor unit PCB
is required. The remote sensor
shall be installed in a proper place
for the correct detection of room
temperature.
(In case that automatic louvre is
set, the louvre will keep operating
in both thermo ON and thermo
OFF condition.)
01 Fan stop in thermo OFF conditions.
45
eg
Not Used -
00
- Use as 00 conditions
01
46
EA
Not used -
00
- Use at 00 conditions
01
02
47
Eb
Indoor unit fan control
during cooling thermo OFF
conditions
○
00
Function disabled
(factory setting)
This function decreases speed of
the indoor unit fan during cooling
thermo OFF, to reduce the spread
of smells and humidity.
01 Low
02 Slow
48
EC
Forced thermo ON when
stopping in cooling operation
○
00
Function disabled
(factory setting)
This function is used to force
thermo ON during 6 minutes when
stopping in cooling operation.
01 Enabled
49
Ed
Not used -
00
- Use at 00 conditions
01
50
EE
Control in “Automatic” indoor
fan speed mode
○
00
Function disabled
(factory setting)
This function limits the speed
of the indoor fan when room
temperature is close to the setting
temperature.
01 Enabled
OPTIONAL FUNCTION
PMML0497 rev.1 - 12/2020
14