This series represents the ideal solution for the management of static refrigeration units (that is, without evaporator fans) operating at normal temperatures (above °C). These instruments perform the functions of thermometer, displaying the temperature of the unit, and electronic thermostat, activating the compressor (or the solenoid valve in the case of multiplexed units) in order to maintain the set temperature. In addition, they automatically defrost the units by stopping the compressor. These controllers can be used as simple thermostats for the temperature control of cooling actuators (compressors) and heating actuators (heaters): in fact, (cooling) or Reverse (heating) operation is selected by simply modifying a parameter or activating the corresponding digital input.
Technical features |
Power supply | IR33S00*: 12 Vac (-15% to +10% ) or 12 Vdc (0% to +50%), 50/60 Hz
IR33S0L*: 12/24 Vac (-15% to +10% ), 50/60 Hz
IR33S0E*: 230 Vac (-15% to +10% ), 50/60 Hz
IR33S0H*: 115/230 Vac (-15% to +10% ), 50/60 Hz |
Operating conditions | -10 to 65 °C, <90% rH non-condensing |
Storage conditions | -20 to 70 °C, <90% rH non-condensing |
Regulation range | -50 to 90 °C with standard CAREL NTC probes
-40 to 150 °C wide range NTC probes;
-50 to 150 °C with PTC probes |
Inputs | IR33S00*/L*/H*: 2 for NTC or PTC probes, 2 digital inputs
IR33S0E*: 2 for NTC or PTC probes, 1 digital inputs |
Outputs | IR33S00*/L*: 1 relay 250 Vac, 12 (2) A res. o 2 relay 250 Vac, 12 (2) A e 8 (4) A res.
IR33S0E*: 1 relay 250 Vac, 8 (4) A res., 2 relay 250 Vac, 8 (4) A res. oppure 1 relay 250 Vac, 12 (2) A e 1 relay 250 Vac, 5 (1) A res.
IR33S0H*: 2 relay 250 Vac, 12 (2) A e 8 (4) A res. |
Index of protection | IP65 with panel mounting and gasket fitted |
Installation | panel mounting |
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