Elecro Engineering Heatsmart PLUS, Инструкция по установке и эксплуатации

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5
Fig 3.
2.2 Electrical connection
The Heatsmart Plus must be installed in accordance with the Country / regional requirements and
regulations. In any event the work must be carried out by a qualified electrician who will provide a certificate
of conformity upon completion of the work.
Undo the lower cover screws and remove the electrical access cover.
All electrical connections should be made into the relevant terminal block position, according to the labelled
positions.
Connection Explanation:
•
Terminal 1 = Incoming Live 220 to 240V
•
Terminal 2 = Incoming Neutral
•
Terminal 3 and 4 = Primary Circuit Pump Output (Connect the Booster Pump)
•
Terminals 5 and 6 = Priority of Heating filtration pump override signal out
•
Terminals 7 and 8 = Heat Out
– Volt free switched output to control heating appliance (2-Amp MAX
if the load is greater than 2-Amp an auxiliary contactor must be used)
•
Terminals 9 = Earth
•
Terminals 10 and 11 = Flow Switch
•
Terminals 12 and 13 = NTC Temperature sensing probe
•
Terminals 14, 15 and 16 = RS485 MODBUS Data Link
See wiring diagram on page 7.