Operation Mode; Temperature Setting - Hitachi PC-ARFG-E Installation & Operation Manual

OPERATION

3.3 OPERATION MODE

Heating mode is only available when the indoor unit supports
cooling and heating. Cooling only machine cannot support heating.
Operation mode setting
1 Press " " or " " to select "Mode".
A A A A
Temp Cool Fan Speed
2 Set the operation mode with "
mode is switched in the following order:
"Cool" ↔ "Heat" ↔ "Dry" ↔ "Auto" ↔ "Fan"
If dual setpoint is selected in auto mode, both cooling setpoint
and heating setpoint can be selected.
By default, temperature is as follows when the cooling/heating
mode changes:
• Temperature switch from cooling mode to heating mode:
Room temperature = Heating set temperature -1°C
• Temperature switch from heating mode to cooling mode:
Room temperature = Cooling set temperature +1°C

3.4 TEMPERATURE SETTING

1 Press " " or " " to select "Temp".
A/C
21
MAIN
21
Temp Cool Fan Speed Louver
2 By pressing " ", the temperature is increased by 0.5ºC to a
maximum of 30ºC.
By pressing " ", the temperature is decreased by 0.5ºC.
3 Cooling, Dry, Fan operation: A minimum of 19ºC.
4 Heating operation: A minimum of 17ºC.
5 PMML0565 rev.0 - 09/2021
Mode
Cool
Louver Menu
" or " ". The operation
C
Indv. .
Menu
Conference Room
A/C
21
MAIN
COOL
A A A
21 26
Temp Auto Fan Speed
A/C
MAIN
21
C
COOL
A A A A
21 26
Temp Auto Fan Speed
?
N O T E
The function selection setting is required for "Auto" operation. Contact
your distributor for detailed information.
?
N O T E
• Depending on the type and setting of the indoor unit, it may not be
possible to set the temperature by 1°F (0.5ºC).
• The max./ min. temperature may differ depending on the type of
indoor unit.
• Minimum and maximum temperature set-point limits can be
configured by selecting a cooling lower limit and heating upper limit in
the "Function Selection" mode.
• When the "Automatic Reset of Setting Temperature" function is
selected, the temperature is automatically returned to the preset
temperature after the temperature set-point change.
• Contact your distributor for detailed information about "Automatic
Reset of Setting Temperature" and "Cooling Lower Limit Value and
Heating Upper Limit Value for Setting Temperature" functions.
C
26
C
HEAT
Louver Menu
26
C
HEAT
Louver Menu