Hitachi PC-ARFG2-Z - Operation Mode (Cool, Heat, Dry, Auto Cool;Heat and Fan Operation); Temperature Setting

3. Operation Method
6
A16381H9HL
3.2 Operation Mode (Cool, Heat, Dry, Auto Cool/Heat and Fan Operation)
Heat mode is only available when the system is capable of both cooling and heating. The Heat icon is not
displayed on cooling only systems.
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
individually.
By default, temperature is as follows when cool/heat mode changes:
•
Temperature switch from cool mode to heat mode:
Room temperature = Heating set temperature -1°C
•
Temperature switch from heat mode to cool mode:
Room temperature = Cooling set temperature +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 Auto Cool/Heat function needs to be activated through the function settings in the installation menu.
Please contact your service agent 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 in increments of 0.5
o
C to a maximum of 30
o
C.
By pressing " ", the temperature is decreased in decrements of 0.5
o
C to a minimum of 19
o
C in the
cooling mode and 17
o
C in the Heating mode.
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.
•
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•
The allowable minimum and maximum set temperatures can be individually altered for both cooling and
heating through the function settings in the installation menu. Additionally, both cooling and heating set
temperature ranges can be restricted through the Service menu.
•
If the "Automatic Reset of Setting Temperature" function is activated through the function settings in the
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time set.
•
Contact your Hitachi service agent for assistance with setting the "Automatic Reset of Setting Temperature"
and "Temperature Range Restriction" functions.