• Multiplus II Inverters

  Can you provide guidelines for installing the MultiPlus-II?

  Posted by maxalight on January 14, 2024 at 7:55 pm

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  I’m planning to install a MultiPlus-II and want to make sure I do it correctly. What are the key installation guidelines I should follow?

  Nexus replied 5 months, 3 weeks ago 2 Members · 1 Reply
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  Nexus

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  January 15, 2024 at 4:33 am

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  Sure, here are the some tips for proper installation of the MultiPlus-II:

  • Location: Install it in a dry, well-ventilated area, close to the batteries, ensuring at least 10 cm of clear space around for cooling.

  • Ambient Temperature: Be mindful of the ambient temperature. High temperatures can reduce service life, charging current, and peak capacity, or even cause the inverter to shut down.

  • Positioning: Avoid positioning the unit directly above lead acid batteries to prevent damage from corrosive gasses. Wall mounting is recommended on a solid surface like concrete or masonry.

  • Accessibility: Ensure the interior of the product remains accessible after installation for maintenance or inspection.

  • Cable Voltage Losses: Minimize the distance between the product and the battery to reduce cable voltage losses.

  • Heat-Resistant Environment: Install in an environment resistant to heat and away from chemicals, synthetic materials, curtains, or textiles.

  • Disconnecting Mechanism: The system must have a way to disconnect both AC and DC circuits. Use circuit breakers or fuses as appropriate, and ensure that disconnect switches are in place if fuses are used.

  • Battery Compatibility: Only charge Lead Acid or LIFEPO4 type rechargeable batteries. Avoid charging non-rechargeable batteries.

  • Safety Around Batteries: Exercise caution when working near lead-acid batteries due to explosive gasses and the risk of acid contact. Wear protective clothing and eye protection, and ensure proper ventilation.

  • Marine Unit Location: If installed in a marine environment, keep the unit away from the battery in a separate, ventilated compartment.

  • DC Connection Precautions: Connect and disconnect DC output connections only after switching off any marine unit switches and disconnecting the AC cord.

  • Compliance with Regulations: If in the USA, ensure that all external connections to the charger comply with the United States Coast Guard Electrical Regulations (33CFR183, SUB PART I).

  • Grounding Instructions: The unit should be connected to a grounded, metal, permanent wiring system or an equipment-grounding conductor.

  Dedicated DC System: It’s not suitable for direct connection to a vehicle’s electrical system. Instead, it should be connected to a dedicated DC system with appropriate fusing and DC wiring gauge.

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