10
1. Main On/Off switch
Position
,
On
Position
,
Off
2. Alarm light
This light comes On when the burner is in safety (out of
order)
3. Summer/Winter switch
- "Winter" Position
Start the heating pump
- "Summer" position
Note:
The heating pump stops 12 minutes after the
changeover to "summer" mode.
4. ”Test-STB” push button
When held in the pressed position, tests the safety
thermostat and cuts off the pump(s)
5. Safety thermostat with manual reset
set to 110°C / 230°F
6. Timed circuit breaker (6 A)
7. Electronic thermostat
Adjustment of the boiler temperature
8. Light On
6. USAGE
0
I
6A
104
122
140
158
x10
176
50
68
86
86
104
122
140
158
176
194
8578N003
1
2
3
4
5
6
7
8
9
10
For preparation of domestic hot water.
9. Light On
Display domestic hot water temperature
10. Electronic thermostat
Setting the average domestic hot water storage tem-
perature
Note:
When the system is switched On, it performs an
automatic bleed sequence of the hot water calorifier
exchanger lasting for 1 minute, by intermittently ope-
rating the domestic hot water load pump and the hea-
ting pump.
This bleed sequence is deactivated if the calorifier
temperature is more than 25°C / 77°F.
