IC70CX
Pag. 21 of 23
14.
Installation and mounting
Instrument IC70CX shall be mounted on vertical panel, in a 29x71 mm hole, and fixed using the special bracket supplied.
The temperature range allowed for correct operation is 0
60 °C. Avoid places subject to strong vibrations, corrosive gases,
excessive dirt or humidity. The same recommendations apply to probes. Let air circulate by the cooling holes.
15.
Electrical connections
The instrument is provided with screw terminal block to connect cables with a cross section up to 2,5 mm
2
. Before
connecting cables make sure the power supply complies with the instrument’s requirements. Separate the probe cables from
the power supply cables, from the outputs and the power connections. Do not exceed the maximum current allowed on each
relay, in case of heavier loads use a suitable external relay.
16.
Connections
Terminal n°1: Common line for relays
Terminal n°2: output fan relay
Terminal n°3: output compressor relay
Terminal n°4: output heater relay
Terminal n°5: Line of supply voltage
Terminal n°6: Neutral of supply voltage
Terminal n°7: output alarm or defrost relay
Terminal n°9: digital input or Pb3 input probe
Terminal n°10: Pb2 input probe (boiler probe)
Terminal n°11: common line for digital input and/or probes
Terminal n°12: Pb1 input probe (evaporator probe)
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