Hitachi PC-ARF Technical Catalogue page 157

4 Individual remote controls
PC-ART
F2 Remote Control Master-Slave Setting
This function is used when two remote control switches are installed in one system.
Set one remote control switch to "Master" 00, another remote control switch to "Slave" 01.
F3 Automatic Reset of Setting Temperature
This function is used to economize the operation. When this function is valid, the setting temperature is automatically
returned to the Automatic Reset Temperature for Cooling/Heating (55/56) as following condition. If no change for certain
period of Automatic Reset Time (54) since setting temperature was changed.
It is effective to optimize the setting temperature and provide energy saving.
However, the setting temperature is not automatically restarted in case that "Automatic COOL/HEAT Operation" mode, or
"Prohibiting Operation by Remote Control Switch" is set at the central control equipment.
Operation Mode
COOL
DRY
FAN
Operation Mode
HEAT
Example: Automatic Reset Temperature for Cooling is 25 ºC
Setting temperature is
changed from 25 to 20 ºC by
the remote control switch
F4 Automatic Reset Time
This function is used to set the automatic reset time with the setting temperature. The setting conditions and automatic
reset time are as follows:
Setting Condition
141
TCGB0106 rev.0 - 12/2014
Setting Temperature
Change
Setting Temperature
Change
Cooling operation at 20
ºC is performed tempo-
rarily
Automatic Reset Time of Setting Temperature
00 30 minutes (Factory-Setting)
01
02
03
Return to (55) Automatic Reset
Temperature for Cooling
Return to (56) Automatic Reset
Temperature for Heating
If no operation for a de-
fined period, the setting
temperature returns to 25
ºC automaticaly
15 minutes
60 minutes
90 minutes
4