Fig.13
27
44 4
10
27
9
9
9
9
65
64
67
27
11b
23
44
11b
4 4
10
4
23
9
9
27
32
7
9
9
28
9
29
30
25
56
24
9
26
B...
AD212
AD212
33a
33b
AD134
MODBUS
AD249
2x AD199
+
AUX
L
L
4 4
10
27
9
9
65
11b
23
44
4
CIRCA CIRCB CIRCC
FOLLOWER
MASTER
4 Pressure gauge
7 Automatic air vent
9 Isolation valve
10 Three-way mixing valve
11b Pump for heating circuit with mixing valve
11d Swimming pool primary circuit pump
21 Outside temperature sensor
23 Flow temperature sensor
24 Domestic hot water tank exchanger primary inlet
25 Domestic hot water tank exchanger primary outlet
26 DHW load pump
27 Non-return valve
28 Domestic cold water inlet
29 Pressure reducer
32 Domestic hot water recirculating pump
33a Domestic hot water temperature sensor, high
position
33b Domestic hot water temperature sensor, low position
34 Primary pump
44 Safety thermostat with manual reset, for underfloor
heating
64 Circuit A: direct heating circuit
65 Circuit B or C: heating circuit with mixing valve
67 Manual radiator valve
75 Pump for DHW use
112c Sensor for swimming pool circuit
6 Connecting diagrams and configuration
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