Manual View the manual for the APC BE550G here, for free. This manual comes under the category Uninterruptible power supplies (UPSs) and has been rated by 1 people with an average of a 6.3. This manual is available in the following languages: English. Do you have a question about the APC BE550G or do you need help? Ask your question here Index Parcourir toutes les pages du manuel d'utilisation APC ES 550, traduire dans d'autres langues.Dans chaque instruction en général, vous trouverez un schéma de construction du APC ES 550 ainsi que des conseils sur l'entretien APC ES 550. Vous apprendrez également comment configurer le dispositif APC ES 550 pour qu'il réponde à vos besoins. to the unit, connect the battery cable to th e unused battery terminal. It is normal for small sparks to be seen when the battery cable is connected to the battery terminal. Wall Mount Installation • Horizontal installation, use 2 screws 5.0" (127 mm) apart. • Vertical installation, use 2 sc rews 4.3" (110.4 mm) apart.