https://alekoproducts.freshdesk.com/support/solutions/articles/61000299229-lm171
LM171 : ALEKO
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https://alekoproducts.freshdesk.com/support/solutions/articles/61000304527-lm171-keypad-manual-for-ac-ar1400-2000
LM171 keypad manual for AC/AR1400/2000 : ALEKO
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