Hydro Unit
2
NAMES AND FUNCTIONS OF PARTS
Buttons
▼ Fig. 2-01
1
10
2
3
4
1. TEMP. button:
Changes the set temperature for
each operation mode (ZONE1/2
hot water) by 1°C step.
2. SCHEDULE
Sets the current time and
button:
scheduled weekly operation.
Changes time for current time
3. TIME button:
setting and scheduled weekly
operation setting with
buttons.
Determines the entered current
4. SET button:
time setting and scheduled weekly
operation setting.
Clears settings for the current time
5. CL button:
and scheduled weekly operation.
Cancels audible alarm in the event
of a system fault.
Sets days of the week for current
6. DAY button:
time setting and scheduled weekly
operation setting.
7. STEP button:
Specifies switching STEP number
in a day for weekly schedule.
8. TEST button:
Used for test run or service.
9. FROST
Controls minimum operation for
PROTECTION
button:
unused period (going out, absence,
etc.) for anti freezing.
10. NIGHT button:
Controls the night set back
operation.
6
7
5
8
9
11
11. AUTO TEMP.
button:
12. OPERATE MODE
button:
and
13. ZONE1, 2 button: Turns on/off the zone (floor
14. ANTI BACTERIA
button:
15. HOT WATER
BOOST button:
16. HOT WATER
button:
17. SELECT button:
NOTE
Some functions are not provided depending on the
system specifications in use.
For details, contact the installation company.
– 4 –
17
16
15
14
12
13
Switches setting temperature
automatically according to outside
temperature. (Pressing this button
long changes the mode to data
setting mode.)
Selects ZONE1/2 operation mode
(heating or cooling).
heating/radiator/Fan Coil Unit)
operation.
Regularly increases the hot water
temperature in the tank for
sterilization. (Pressing this button
long changes the mode to data
setting mode.)
Boosts boiling when high tapping
temperature is required
temporarily.
Turns on/off hot water operation.
Selects an operation mode when
changing the set temperature of
each operation mode.
Owner's Manual
EN
4-EN