Specifications

EN • 12
ENGLISHFRANCAISNEDERLANDSESPAÑOLITALIANODEUTSCH
664Y3000.A
INSTALLATION
INSTALLATION OF A SIMPLE HEATING CIRCUIT
CONTROLLED BY ROOM THERMOSTAT ACV 15
General diagram
The On/Off room thermostat controls the central heating
system (radiators or convectors).
If an outside temperature sensor is connected, the boiler
continuously adjusts its operating temperature depending on
the outside temperature.
The pump is powered as soon as the room thermostat
generates an heat demand.
Advantages for the user:
- Comfort
- Maximum Output
- Simplicity of the system
AF120
ACV 15
MCBA
Optional accessories Code Description
10800018 Room themostat ACV 15
10510100 Outside temperature sensor 12kΩ — AF120
1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6
Remove this
shunt before
connectiong a
room sensor
Factory
setting
typical
setting Description
00 : Heating mode “OFF”
01 : Heating mode “ON”
Setting T° for the heating water
(adjustable between 30 and 85°C).
T° min. for the heating water
(adjustable between 15 and 60°C).
Minimum outside temperature
(adjustable between -20 and 10°C).
Maximum outside temperature
(adjustable between 15 and 25°C).
00 : Using a outside temperature
sensor and a room thermostat
90
80
70
60
50
40
30
20
10
0
-20-25 -10-15 0-5 1052015 25
P4
P5
P6 P7
Outside T° (°C)
T° departure boiler (°C)