Function of Air-to-Water Unit
20:30 (THU)
Menu
20:30 (THU)
1. Basic instructions
2. FLAP
3. Lock indiv. flap
4. ON/OFF timer
[
]
START
Sel.
Page [
] Confirm
Menu
20:30 (THU)
11. Initial settings
12.
Ventilation
13.
Setting list
14. Air-to-Water unit
Sel.
Page [
] Confirm
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,
● Timer Setting
Air-to-Water unit
Sterilization timer
Stop sterilization
Int.heater forced ON
Sel.
/
[
Air-to-Water unit
Start day and time
0 : 00
SUN
Change
Hour
● Under Sterilization process
Under Sterilization
Target water out temperature for sterilization (If
the set temperature is higher than temperature for
sterilization, the set temperature is displayed.)
Stop sterilization
Under unavoidable circumstances, this function is enabled when
the Air-to-Water unit must be stopped. The display on the right
appears.
10
OI_00_271368_Eng.indb 10
1 Display the menu screen.
2 Select
[14. Air-to-Water unit].
→
icon appears.
If "Sterilization timer" is enabled
20:30 (THU)
of the week and time for sterilization process.
] Set
Set the day of the week and time for sterilization process.
20:30 (THU)
Select the item by
HOT-WATER-SUPPLY
TANK
* 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.
TANK mode
Air-to-Water unit
Sterilization timer
Stop sterilization
Int.heater forced ON
Sel.
/
[
Air-Conditioning mode
Air-to-Water unit
Int.heater ON/OFF
Heating curve range
Int.heater forced ON
Sel.
/
, the screen is switched to set the day
button and decide by
Under sterilization, the set temperature
*
20:30 (THU)
cannot be changed.
SET TEMP.
Sterilizing
[ ] Close
℃
Air-to-Water unit
Sterilization timer
Stop sterilization
Int. heater forced ON
Sel.
3 Select the item
20:30 (THU)
to set.
→
] Set
20:30 (THU)
button.
20:30 (THU)
Stop sterilization?
YES
NO
[
] Set
2015-7-2 9:14:27