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2021
Mabru
Rooftop
RVSC 12000
DC 12v
Manual
VERSION 1.0
Address :1105 Old Griffin Rd, Dania Beach, FL
MABRU POWER SYSTEMS |
33004Phone :1-888-818-2814Email: sales@mabrumarine.com

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Summary of Contents for MABRU POWER SYSTEMS RVSC 12000

  • Page 1 2021 Mabru Rooftop RVSC 12000 DC 12v Manual VERSION 1.0 Address :1105 Old Griffin Rd, Dania Beach, FL MABRU POWER SYSTEMS | 33004Phone :1-888-818-2814Email: sales@mabrumarine.com...
  • Page 2: Table Of Contents

    Table of Contents Click Section to view Product Page 2 Description/Parameters Page 3-4 Componements and Controls Error Codes and Page 5-6 Troubleshooting Low/Over Voltage Page 6 Troubleshooting Page 7-16 Installation Instructions Page 16-18 Wiring Diagrams Disclaimers Page 19-21 Safety Precautions Page 22 Warranty...
  • Page 3 Description The rooftop 12V/24V Air Conditioning unit by Mabru Power Systems is the ideal unit for RVs, Trucks, Vans, Buses, Campers. Our unit has been designed to be sleek, aerodynamic, aesthically beautiful, and efficient 12V/24V systems in its class. The 12V/24V rooftop unit provides cool, fresh air within 15 seconds creating a space that is cool and comfortable.
  • Page 4 Components and Controls Guide 4. Skylight Panel 1. Outdoor Unit Cover 5. Return Inlet 2. Condenser Fan 6. Display 3. Outdoor and Indoor unit 7. Supply Outlet separator. Mounting 8. LED Lights plate Mode Selector On/Off Switch Temperature Increase Blower Speed Switch Temperature Decrease Light Switch...
  • Page 5 A/C On/Off Indicator System Inspect Indicator Fan On/Off Indicator High Mode Fan Speed Normal Cooling Mode Low/Economy Mode 12V AC Controls 1. To turn the unit on locate the button and press until screen powers on. 2. To adjust the blower speed, locate the button until the desired speed is selected.
  • Page 6: Error Codes And Troubleshooting

    Error Codes and Trouble Shooting Digital Display Fault Description Fault Troubleshooting Check to see if pressure is too Current Protection high and if the fan is running Low battery or too much Stall Protection pressure The battery is too low and E4/LU Undervoltage protection needs to be charged...
  • Page 7 Trouble shooting Notes If refrigeration failure occurs this is due to the inlet(return) and outlet (supply) air temperature being less than 5 ℃ for more than 3 minutes. Indicating that cooling is not taking place. If this occurs shut the compressor and evaporator fan off. Clear the fault and restart the unit.
  • Page 8: Installation Instructions

    Installation Instructions for 12V/24V Roof-top AC Unit For a step-by-step YouTube video of the installation process the video is in the link below or search Mabru RVSC on YouTube to find the video. https://www.youtube.com/watch?v=Xst1ugqDAd4 1/ The unit can be installed into an existing, "standard size" 14" x 14" opening with some disassembly/reassembly or, if you want to be more simple and not perform this disassembly/reassembly, you can choose to cut a hole using the template provided with your unit.
  • Page 9 B/ Position the unit on your roof aligned with your existing 14" x 14" roof penetration such that the air flow openings on the bottom of the AC unit are "over" the cut-out area of your roof. You should be able to see each of these openings on the bottom of the AC unit from inside your van.
  • Page 10 the area on the bottom of the AC unit with these openings. The area is approximately 10 3/4" long by 12 1/2" wide C/ Now you can introduce the unit and reinstall the Styrofoam air flow director and the interior plastic trim and continue with the standard installation procedure.
  • Page 11 Then, clean the surface thoroughly of any debris and dirt. Once the surface is clean the next step is to apply the foam gasket provided foam gasket that is installed on the roof to create a seal between the roof and the AC unit.
  • Page 12 And apply the strip around the edge of the clean debris free hole. Ensure an even application of the waterproofing strip and that there are no gaps in the seal between the metal and the weatherproofing strip. You can use additional seal as Proflex or 5200 if you want make sure of the waterproof of the seal.
  • Page 13 15mm deep into the roof. Driving the screws any further may result in damage to the roof or the unit securing plate. E/ The unit is now properly secured and you can choose to put in place the "outer trim panel" with the LED lights or not. If you design and decide to create your own return grill trim on the interior as below, you will need to keep enough air flow and take care to not have any restriction to avoid any problems (evaporator frozen, …)
  • Page 14 Once the lights are installed and the unit is connected to a power source. The unit may be turned on.
  • Page 15 Electrical installation instructions with house battery bank, DC to DC charger, and vehicle alternator if applicable Once your unit is installed you will need to connect the unit and electrical system properly. Components required for a battery bank installation include a DC-to-DC charger, 100 Amp Breaker or in-line fuse (not recommended), Lithium Iron batteries, and 4-gauge wire positive and negative for connections ample length to reach the unit and alternator.
  • Page 16 D/ Once the batteries are securely connected you may connect the Rooftop Unit using the wiring harnesses that are installed on the unit. Lastly, once all connections are made, verify that all the connections are tight and secure. Failure to do so may result in equipment damage, injury, or fire.
  • Page 17: Wiring Diagrams

    Wiring Diagram 12/24V ROOFTOP AC WIRING DIAGRAM...
  • Page 18 12/24V ROOFTOP AC AND SOLAR WIRING DIAGRAM...
  • Page 19 12/24V ROOFTOP AC/SOLAR/SHORE POWER WIRING DIAGRAM...
  • Page 20: Disclaimers

    The user will bear full responsibility for such incidents, and Mabru Power Systems will not be held liable for damages that occur with the unit. Lastly, Mabru Power Systems is not responsible for maintenance or material cost of the Rooftop 12V Air conditioning unit.
  • Page 21 Issues such as equipment damage, or injury may occur, and Mabru Power Systems will bear no responsibility and warranty will be voided. 4. The user agrees to this disclaimer after purchasing the product.
  • Page 22: Safety Precautions

    Safety Precautions 1. You should never work with energized electrical wires. Ensure power is disconnected and test the wires to confirm that in fact the wires are not energized. 2. The A/C unit should never be placed in an area where it can circulate carbon monoxide, fuel vapors or other toxic fumes into the vehicle’s passenger compartment.
  • Page 23: Warranty

    Warranty This Warranty is made to a purchaser (“owner” or “you”), who acquires the Mabru Power Systems, Inc. (“Mabru”) -manufactured product or component (the “Mabru product”) for his or her own use. WHAT’S COVERED What does the Limited Warranty cover? The Mabru products under this limited warranty are to be free from defects in material and workmanship at the time of sale and under normal use.