6
product description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
9
6
12
I
1
2
3
4
5
6
7
8
9
10
11
12
Control panel
Legend :
1. Display
2. Domestic Hot Water temperature adjustment /-
(only for Clas HE EVO models)
3. M
ODE
button
(Operation mode selection (summer/winter)
4. Pressure
gauge
5. Auto Function and/or Comfort Function
enable/disable
button
(Comfort function only for Clas HE EVO models)
6. E
SC
button -
reserved for technical assistance
7. “encoder” programming knob
-
reserved for technical assistance
8. O
K
button -
reserved for technical assistance
9. ON/OFF
button
10. TIME CLOCK (CLAS HE Evo System models optional)
11. RESET button
12. Heating temperature adjustument button
+/-
Digits indicating:
- boiler status and temperature
indication (
°C
)
- error code signals (
Err
)
- menu settings
Technical assistance request
Flame detected with indication of
power used or indication of operation
shutdown
Heating operation set
Heating operation active
Hot water operation set
Hot water operation active
Hot Water Comfort activated
Boiler off with antifreeze function active
Antifreeze function activated
AUTO
AUTO function activated
(Temperature regulation activated)
Clip-in solar connected (optional)
Note:
A radio frequency (RF) Programmable Room
Thermostat is available from Ariston stockists.
The Receiver unit can be fi tted in the time clock
position (10)
