Hitachi RAC-25WXD, Technical Catalogue, Page: 23 / 39

CONTROL AND FUNCTION 2
1
9.2. AUTO CHANGEOVER
COOLING/HEATING mode is decided by the room temperature.
A. COOLING/HEATING mode is decided during the
initial startup of Automatic Operation
Initial startup of Automatic Operation means the
following either condition:
• Unit start up in Automatic Operation
• Automatic Operation mode is pressed while
the unit is running in manual mode
Startup room temperature COOL / HEAT
>= Remote controller
setting temperature
Unit runs in
COOLING mode
< Remote controller setting
temperature
Unit runs in
HEATING mode
B. COOLING/HEATING mode is decided in
intervals after the initial startup of Automatic
Operation (also known as Auto Changeover
function)
Intervals Duration
1
st
10 minutes interval
2
nd
15 minutes interval
Subsequent interval Every 55 minutes
9.3. SHIFT VALUE
1. Press and hold button and
(ON) button.
2. Press [RESET] button on the same time.
Release [RESET] button only, then
release and (ON) button
once Screen 1 appears.
Screen 1 Screen 2
3. Press the (MODE) button to display
fan mode (Screen 3).
Screen 3
4. Press and Screen 4 appear.
Screen 4
5. Select (FAN SPEED) button to choose
Heating Shift or Cooling Shift Mode (Screen 5).
By setting fan speed to HIGH or MED ,
it will go to Cooling Shift mode.
By setting fan speed to LOW
or SILENT
, it will go to Heating Shift mode.
Screen 5
6. Press the Temperature button ( or ) to adjust the shift value.
Final preset
temperature
-3
o
C
+2
o
C
Heating
Cooling