Hitachi PC-ARFG2-A - 3.2 Operation Modes; 3.3 Temperature Adjustment

3. Operation Method
6
A16381TMEU
3.2 Operation Mode (Cool, Heat, Dry, Cool/Heat Auto and Fan Operation)
Heat mode is only available when the indoor unit supports cooling and heating. Cooling only machine
cannot support heating.
1. Operation mode setting
Step1. Press " " or " " to select "Mode".
A
A
Cool
Mode
Cool Fan Speed LouverTemp Menu
Step2. Set the operation mode with " " or " ". The operation 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 cool/heat mode changes:
•
Temperature switch from cool mode to heat mode:
Room temperature = Heating set temperature -2°F
（
-1°C
）
•
Temperature switch from heat mode to cool mode:
Room temperature = Cooling set temperature +2°F
(
+1°C
)
Temp
20.026.0
20.0
C
HEAT
26.0
C
COOL
Conference Room
Auto Fan Speed Louver Menu
A
A
Main
A/C
Temp
C
26.0 20.0
C
HEATCOOL
20.026.0
Conference Room
Auto Fan Speed Louver Menu
A
A
Main
A/C
NOTES:
•
The function selection setting is required for "Auto" operation. Please contact your distributor for details.
•
"Dry" mode may not be available depending on the type of indoor unit.
3.3 Temperature Setting
1. Temperature setting
Step1. Press " " or " " to select "Temp".
Fan Speed Louver Menu
Main
Cool
A/C
26.0
Temp
26.0
Step2. By pressing " ", the temperature is increased by 1°F
(
0.5
o
C
)
to a maximum of 86°F
(
30
o
C).
By pressing " ", the temperature is decreased by 1°F
(
0.5
o
C).
• Cool, Dry, Fan operation: A minimum of 66°F (19
o
C)
,
68°F (20
o
C) in United Arab Emirates (UAE).
• Heat operation: A minimum of 62°F (17
o
C)
NOTES:
•
Depending on the type and setting of the indoor unit, it may not be possible to set the temperature by 0.5
o
C.
•

•
Minimum and maximum temperature can be set by selecting a heating upper limit (or cooling upper limit)
and heating lower limit (or cooling lower limit) in the "Function Selection" mode. Minimum and maximum
temperature can also be changed through "Temperature Range Restriction" setting in Service Menu.
•
When the "Automatic Reset of Setting Temperature" function is selected, the temperature is automatically

•
Contact your distributor for detailed information about "Automatic Reset of Setting Temperature" and
"Temperature Range Restriction" functions.