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B) "Fht8V" Valve Operating Mechanism - Conrad FHT8 Bedienungsanleitung

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b) "FHT8V" valve operating mechanism

If the batteries of the valve operating mechanism are emp-
ty, the battery symbol is displayed. In addition, an acoustic
signal in generated in intervals of 2 minutes for three hours
every day.
Proceed as follows to replace the batteries:
• Remove the cover of the valve operating mechanism's
battery compartment (slide down).
• Remove the empty batteries and dispose of them ac-
cording to applicable environmental regulations
• Wait until all segments of the valve operating mecha-
nism's LC display are off. You may speed up this process
by pressing the key on the valve operating mechanism.
• Insert two new AA batteries into the battery compart-
ment. Pay attention to the correct polarity. If possible use
alkaline batteries.
• The display shows "C1" followed by a 2-digit number,
followed by "C2" and another 2-digit number (both num-
bers together are the currently stored safety code of the
valve operating mechanism).
• An acoustic signal is generated, and "A1" is displayed.
• The valve operating mechanism fully retracts the control
pin.
• Afterwards "A2" is displayed.
• Briefly press the key on the valve operating mechanism.
• "A3" is displayed and the operating mechanism fully
closes the valve.
• The antenna symbol flashes and "0%" is displayed.
• The first received radio signal is acknowledged by an
acoustic signal, the antenna symbol is permanently dis-
played.
• Replace the cover of the battery compartment.
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