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Residual current device Using a universal AC/DC sensitive residual current device to DIN VDE 0160 is
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Fig. 8: Connecting the electric cables
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Connection for external analog signal, 0 - 10 V DC
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Connection for remote ON/OFF signal
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Connection to Modbus network
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Connection for dual-pump operation (DUAL)
5 Installation at Site
DANGER
Hazardous electrical voltage when the covers of the terminal wiring compartments
are removed
Danger of death from electric shock!
▷ For working on the terminals, switch off the power supply at least 5 minutes
prior to commencing work and ensure that it cannot be switched on again
unintentionally.
▷ If applicable, switch off the external power supply to message relays and
control cables and make sure it cannot be switched on again unintentionally.
▷ Keep the covers of the terminal wiring compartments closed during operation
as well as during maintenance work.
WARNING
Incorrect connection to the mains
Damage to the power supply network, short circuit!
▷ Observe the technical specifications of the local energy supply companies.
CAUTION
Fluid entering cable glands or power supply installation
Electronics failure, short circuit!
▷ Lay cables in a loop so any water dripping onto the cables will run off.
NOTE
Using a permanently installed power cable of type H05VV-F 3G1.5 or similar is
recommended.
recommended. Conventional residual current devices might either fail to trip or trip
erroneously.
Discharge current per pump < 3.5 mA
5.6.1 Connecting the electric cables
CalioTherm Pro
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Connection of power supply 1~ 230 V AC +/- 10 %,
50 Hz/60 Hz
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Connection for "in operation" message
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Connection for general fault message
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