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SLA2
Technical data
Housing:
plug-in plastic PC-ABS
Protection type: IP 20 / DIN 40050
Ambient temp.: 0 ... 40 °C
Size: Ø130 mm, 45 mm height
Mounting: wall mounting
Display: 1 function control lamp
Inputs: 2 sensor inputs PT1000
Outputs: 1 standard relay (changeover
contact)
Switch-on difference:
∆T 2 ... 16 K adjustable
Switch-off difference:
1,6 K below switch-on difference
Control range: -20 ... +150 °C
Power consumption: max. 4 A
Powersupply: 220 ... 240V~
SLA2
Thanks to its tough and deliberately simple design concept this low priced
differential controller can be widely used in solar, heating and air conditioning
systems.The large control range and adjustable temperature differences ensure
that this unit can be used in almost all applications where switching processes
are controlled by temperature difference.
The outer cover is available with an optional seal to protect the electronics
against dripping water.
The controller checks a temperature diffference ∆T measured by two tem-
perature sensors by comparing this difference with a preadjusted switch-on
difference (adjustable within the range of 2 ... 16 K).The control of the system is
effected by a standard relay (= changeover contact), to which several motors or
electrical valves can be connected.The controller switches- ON, if the adjusted
temperature difference is exceeded; if this difference is underrun by 1,6 K, the
45
controller switches-OFF.
Electrostatical discharges can lead to damages of
electronic components!
Dangerous voltage on contact!
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