10
Sterilization timer
Int. heater forced ON
20:30 (THU)
Air-to-Water unit
Stop sterilization
Sel.
[
] Set
Stop sterilization?
NO
YES
START
[ ]
20:30 (THU)
1. Basic instructions
Menu
2. FLAP
3. Lock indiv. flap
4. ON/OFF timer
Sel.
Page [
] Confirm
20:30 (THU)
Menu
14. Air-to-Water unit
12.
Ventilation
13.
Setting list
11. Initial settings
Sel.
Page [
] Confirm
20:30 (THU)
Heating curve range
Int.heater forced ON
Sel.
/
20:30 (THU)
Air-to-Water unit
Int.heater ON/OFF
Stop sterilization
Int.heater forced ON
Sel.
/
20:30 (THU)
Air-to-Water unit
Sterilization timer
[
] Set
Air-to-Water unit
Start day and time
SUN
0 : 00
Change
Hour
20:30 (THU)
Stop sterilization
Int.heater forced ON
Sel.
/
20:30 (THU)
Air-to-Water unit
Sterilization timer
[
] Set
1 Display the menu screen.
2 Select
[14. Air-to-Water unit].
→
3 Select the item
to set.
→
TANK mode
Sterilization timer
To prevent propagation of legionella bacterium in the tank, it is able to perform sterilization process once a week.
While the sterilization process is performed,
icon appears.
● Timer Setting
● Under Sterilization process
Target water out temperature for sterilization (If
the set temperature is higher than temperature for
sterilization, the set temperature is displayed.)
Under Sterilization
Stop sterilization
Under unavoidable circumstances, this function is enabled when
the Air-to-Water unit must be stopped. The display on the right
appears.
TANK mode
Air-Conditioning mode
20:30 (THU)
HOT-WATER-SUPPLY
℃
TANK
SET TEMP.
Sterilizing
[ ] Close
If “Sterilization timer” is enabled , the screen is switched to set the day
of the week and time for sterilization process.
Set the day of the week and time for sterilization process.
Select the item by
button and decide by
button.
*
Under sterilization, the set temperature
cannot be changed.
* It takes a maximum of 4 hours to finish the sterilization process.
Caution
: Be careful. Hot water may lead to a burn injury.
* It is recommended to set the time not to overlap with other timer such as weekly timer.
* In the centralized controller, the set temperature of normal operation is displayed even during
sterilization.
Although it is able to change the set temperature or turn ON/OFF by the centralized
controller, sterilization process will continue.
If the Air-to-Water unit is stopped by the centralized controller during sterilization process, the
Air-to-Water unit will be stopped after sterilization process.
Function of Air-to-Water Unit
OI_00_271368_EU.indb 10
2015-9-15 10:12:35