6.2.2
Electrical connection
Fig.33
1 underfloor heating c 1 direct c 1 domestic hot water tank
1
2
3
4
A
ux 1-2 230 V
TA
TS
L
N
T1
T2
L
L
N
N
S1
S2
L
N
MW-3000115-08
34
26
2
167
61
117
93
1 2 3
1 2 3
38
44
AVS75
33
38
X40
X41
21
310
T
1a
1a Heating flow sensor
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 65 °C safety thermostat with manual reset for
underfloor heating (France: DTU 65.8, NF
P52-303-1)
61 Mixed circuit flow temperature sensor
93 Mixed circuit heating pump
117 Three-way mixing valve
167 Boiler control panel
310 AVS75: Option
Important
Relay the pumps if the current exceeds 1 A max. per output.
6.2.3
Configuration
1. Go to the installer parameters.
2. Set/check the following parameters on the boiler:
Tab.16 Boiler se 1 underfloor heating c 1 direct c 1 domestic hot water tank
Parameter number
Parameter
Adjustment/check required
5710
Temps / mode CH1
On
5715
Temps / mode CH2
On
5721
Temps / mode CH3
Off
5730
Hot water sensor
Hot water sensor B3
5731
HW controlling element
Charging pump
5890
Relay output QX1
heating pump CH1 Q2
5891
Relay output QX2
Boiler pump Q1
5892
Relay output QX3
Hot water ctrl elem Q3
5932
Sensor input BX3
Common flow sensor B10
Low-loss header sensor pocket
6020
Function extension module 1
Temps / mode CH2
6024
Funct input EX21 module 1
Limit thermostat CH
6 Connecting diagrams and configuration
7702703 - v04 - 05092019
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