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9. OWNER’S MANUAL
Engineering Data book
9
2 NAMES AND FUNCTIONS OF PARTS
Buttons
NOTE
Some functions are not provided depending on the system specifications in use.
For details, contact the installation company.
1. TEMP. button:
Changes the set temperature for
each operation mode (ZONE1/2 hot
water) by 1°C step.
10. NIGHT button:
Controls the night set back
operation.
2. SCHEDULE button:
Sets the current time and scheduled
weekly operation.
11. AUTO TEMP.
button:
Switches setting temperature
automatically according to outside
temperature. (Pressing this button
long changes the mode to data
setting mode.)
3. TIME button:
Changes time for current time setting
and scheduled weekly operation
setting with and buttons.
12. OPERATE MODE
button:
Selects ZONE1/2 operation mode
(heating or cooling).
4. SET button:
Determines the entered current time
setting and scheduled weekly
operation setting.
13. ZONE1, 2 button:
Turns on/off the zone (floor heating/
radiator/Fan Coil Unit) operation.
5. CL button:
Clears settings for the current time
and scheduled weekly operation.
14. ANTI BACTERIA
button:
Regularly increases the hot water
temperature in the tank for
sterilization. (Pressing this button
long changes the mode to data
setting mode.)
6. DAY button:
Sets days of the week for current
time setting and scheduled weekly
operation setting.
15. HOT WATER
BOOST button:
Boosts boiling when high tapping
temperature is required temporarily.
7. STEP button:
Specifies switching STEP number in
a day for weekly schedule.
16. HOT WATER
button:
Turns on/off hot water operation.
8. TEST button:
Used for test run or service.
17. SELECT button:
Selects an operation mode when
changing the set temperature of
each operation mode.
9. FROST
PROTECTION button:
Controls minimum operation for
unused period (going out, absence,
etc.) for anti freezing.
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10
2
3
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89 11
12
15
14
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▼ Fig. 2-01
4-EN
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