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devireg™550
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The Devireg™ 530 series has a LED indicator above the 2 pole
safety switch (see illustration).
The LED has four indications:
• No light means the system is off.
• Red light means system is heating.
• Green light means system is standing by.
• Flashing green light means there is a problem with the
floor sensor (only applicable for 530 and 532). Call your
electrician.
Check connections, if they are OK, then disconnect the 2
sensor wires.
Measure the ohm value and check with the values in the
table in Technical Specifications.
is used for setting the thermostat in frost protection
mode, i.e. keeping the room/floor temperature
(depending on type of thermostat) at approx. 5°C at any
time.
3. Light indications (LED)
LED
indicator
INT
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