1 1 17 Reversing valve
Fig.61
Boilers in cascade + 1 direct circuit + 1 underfloor heating circuit + 1 domestic hot water tank
34
26
11
34
2 Heating pump
11 Heating pump
21 Outside temperature sensor
26 DHW load pump
33 Domestic hot water temperature sensor
7609474 - v02 - 04092014
6.6.9 Electrical connection: Boilers in cascade + 1 direct circuit +
1 underfloor heating circuit + 1 domestic hot water tank
158
AVS75
4
3
117
2
2
1
4
3
2
1
1 1 58 Flow temperature sensor
See
Configuring an installation with 1 boiler + 1 low-loss header + 1 di
rect circuit + 1 underfloor heating circuit + domestic hot water
tank, page 64.
Connection diagram: 1 boiler + 1 direct circuit + 1 underfloor heat
ing circuit + 1 domestic hot water tank, page 34.
38
200
44
OCI345
38
201
OCI345
34 Primary pump
38 Remote control with or without room temperature
sensor
21
1 2 3
MW-3000040-01
6 Installation
33
38
38
1 2 3
53