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ID 971 Single stage controller for temperature
The ID 971 controllers are devices suitable for applications on normal or low temperature refrigerating units. They are provided with two PTC thermostatic probe inputs (NTC can be selected by parameter) and two relay outputs for compressor and defrost management. The defrosting cycle may be stopped at a specified time or, using the appropriate probe placed on the evaporator, when the end cycle temperature has been reached. The value of the probes reading is viewed on a display by three digits and a minus sign; the decimal point reading can be set by parameter. All the versions are provided with a TTL connection in order to use Copy Card, the quick programming accessory. In addition, the 16 A compressor relay options and the buzzer are provided. These controllers are available in the 32x74 standard format and the power supply voltage is, on choice, 230 Va or 12 Va/c.
Technical Data
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Frontal protection IP 65
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Container plastic resin PC+ABS UL94V0
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Dimensions 32x74 mm, depth 60 mm
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Mouting panel mounting,
cut out 29x71 mm (+0.2/0.1mm)
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Usage temperature -5...55C
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Storage temperature -30...85C
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Usage environment humidity 10...90% RH
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Storage environment humidity 10...90% RH
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Serial TTL port for Copy Card
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Display 3 digits plus sign
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Precision above 0.5% of bottom scale + 1 digit
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Consumption 3 VA
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Resolution 1C or 0.1C (selectable with a parameter).
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Power supply 230Vac, 12Vac/cc 15%, 50/60Hz
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ID 971 - <b>Eliwell Controllers</b>

schema - ID 971 - <b>Eliwell Controllers</b>
The continuous improvement of our products can cause some variations in this document even without notice.

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