Operation Method; Basic Procedures; Operation Mode (Cooling, Heating, Dry, Cooling/Heating Automatic And Air Flow Operation) - Hitachi PC-ARF1 Operation Manual

3. Operation Method
3.1

Basic Procedures

(1) Function Selection
By pressing " "or "
move to the next function in order of the
functions "MODE", "SPEED", "LOUV." and
"TEMP".
Menu
OK
Back/Help
(2) Change of Settings
With the function ("MODE", "SPEED", "LOUV."
or "TEMP") selected, press " " or " ".
The setting will be changed.
Menu
OK
Back/Help
3.2 Operation Mode
(Cooling, Heating, Dry, Cooling/Heating
Automatic and Air Flow Operation)
<Function>
* Cooling Operation (COOL):
To decrease the room temperature.
* Heating Operation (HEAT):
To increase the room temperature.
* Dry Operation (DRY):
To decrease the humidity in the room.
* Cooling/Heating Automatic Operation (AUTO):
To cool and heat automatic changeover.
* Air Flow Operation (FAN):
To circulate the air in the room.
ATTENTION
The recommended temperature set-point is as
follows:
* Cooling Operation: 27 to 29°C
* Heating Operation: 18 to 20°C
* Dry Operation:
P5417005
", the icon " " will
23 to 25°C
<Before Operation>
Apply power to the outdoor unit(s) at least
12 hours prior to operation of the system for
preheating of the compressor oil.
Do NOT turn OFF the power supply during
change of seasons.
Make sure that the outdoor unit is not covered
with snow or ice. If covered, remove it by using
warm water less than 50
If the water temperature is higher than 50°C, it
will cause damage to plastic parts.
(1) Turn ON the power supply.
Connecting
(2) Press " " or "
Menu
OK
Back/Help
(3) By pressing " " or " ",
the operation mode will be changed as
follows.
(AUTO)
HEAT
COOL
Menu
OK
Back/Help
NOTE:
The advanced setting is required for the "AUTO"
operation. Contact your distributor for detailed
information.
o
C.
" and select "MODE".
FAN
DRY
3