6.2
Connecting diagrams without external unit
6.2.1
Connecting diagram
A Domestic hot water tank
C Electrical box
1 Domestic hot water outlet with dielectric union
2 Domestic cold water inlet with dielectric union
3 Power supply cable for the immersion heater
5 Valve with plug
6 Safety unit
7 Pressure reducer
6.2.2
Connecting diagram with boiler back-up (Hybrid mode)
The Hybrid mode requires a water connection between the domestic hot
water tank and an instant boiler.
A Domestic hot water tank
C Electrical box
E Instant boiler
1 Domestic hot water outlet
2 Domestic cold water inlet
3 Power supply cable for the immersion heater
5 Safety unit
6 Pressure reducer
7 Valve with plug
Fig.19
MW-2000647-2
1
2
3
6
5
7
C
A
Fig.20
2 3 0 V
5 0 H z
50
100
bar
4
3
2
1
0
°C
120
20
1204
ON
OFF
A
U
T
0
MW-2000648-2
1
2
3
C
A
5
7
6
E
6 Connecting diagrams
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7689749 - v03 - 25112019
