Electrical Connection - Watts e-ULTRAMIX 3/4 Manuel D'installation

Electrical connections
All electrical connections must be carried out by a qualified installer/electrician in
accordance with current regulations relating to electrical installations.
Electric cables must not be in direct contact with hot components.
Flush valve wiring diagram (circuit without recirculation loop)
L
N
Circulation pump wiring diagram
(circuit with recirculation loop)
L
Circulation pump relay: 10 A/250 VAC (NO)
N
Flush valve wiring diagram (circuit
with recirculation loop)
Flush relay: 10 A/250 VAC (NO)
L
N
ModBus connection wiring diagram
Terminal block
14
Circulation pump relay: 10 A/250 VAC (NO)
Timer (if present)
Network
Optional
EN
Domestic hot water production
wiring diagram
Hot water production relay
Hot water
wiring is necessary to
production
send temperature data
relay
to the DHW system.
10 A/250 VAC (NO)
Electric alarm (standard)
wiring diagram
Relay: 8 A / 250 VAC (NO/NC)
NO
ALARM
Alarm wiring diagram
(high temperature anomaly)
Relay: 8 A / 250 VAC (NO/NC)
Solenoid valve
ENGLISH
NC