AquaMaster 3
Electromagnetic flowmeter
3 Electrical Installation
28
User Guide OI/FET2XX–EN Rev. E
3.5 Power Supply Connections
3.5.1 Mains Power Supply
Mains power requirements:
110 to 240 V AC, 50 / 60 Hz @ <3 VA
Cable length 3 m (9.8 ft.)
Protected by a fused isolator, rating – mains, anti-surge 3 A.
Make connections as shown in Fig. 3.17.
Warning.
Disconnect the supply from any cables being terminated on the transmitter.
Electrical installation and earthing (grounding) must be in accordance with relevant national and
local standards.
Note.
Power supply connections / earthing arrangements are identical for cathodically-protected remote
transmitter systems. For cathodically-protected integral transmitter systems, follow cathodic
installation practices.
AquaMaster 3 has 3 power supply options:
–
Mains power – see Section 3.5.1
–
Battery power – see Section 3.5.2, page 29
–
Renewable energy – see Section 3.5.3, page 30
Note.
Before making connections, check the Data label to confirm power supply requirements.
Fig. 3.17 Connecting a Mains Power Supply
Isolator /
Fuse
110 to 240 V AC
50 / 60 Hz
Rating – mains, anti-surge, 3 A
Color
Connection
Green / Yellow
Earth
Brown
L1 / L
Blue
L2 / N
