Electrical Connection - DeDietrich IX 245-130 Installation, User And Service Manual

Fig.58 Boilers in cascade + 1 underfloor heating circuit + 1 direct circuit + 1 domestic hot water tank
34
26
2
34
2 Heating pump direct circuit
21 Outside temperature sensor
26 DHW booster pump
33 Domestic hot water temperature sensor
34 Modulating boiler pump (primary pump)
38 Room temperature sensor
44 France: 65 °C safety thermostat with manual reset
for underfloor heating (DTU 65.8, NF P52-303-1)
Austria: safety device to safeguard against
overheating: according to the type of underfloor
heating
7702684 - v04 - 05092019
6.3.2
61
AVS75
4
3
93 44
117
2
1
4
3
2
1

Electrical connection

167
123
200
310
X30
X40
X41
(OCI345)
167
201
X30
X40
(OCI345)
Other countries: safety device to safeguard against
overheating of the underfloor heating, in accordance
with prevailing regulations
61 Mixed circuit flow sensor
93 Mixed circuit heating pump
117 Three-way mixing valve
123 Cascade return sensor
124 Cascade flow sensor
167 Boiler control panel
200 Lead boiler
201 Slave boiler
310 AVS75: option
320 OCI345: communication module for cascade (option)
6 Connecting diagrams
124
T 21
T
1 2 3
320
320
MW-3000040-08
33
38
38
1 2 3
IX 51