PowerTech MP-3760 User Manual

PowerTech MP-3760 User Manual

Dual battery solar controller

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Dual Battery Solar Controller
USER MANUAL
Ideal for RVs, Caravans, Boats, Buses and more
10A, 12/24VDC Auto
NOTES: For use with solar panels only

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Graham Judge
February 6, 2025

My controller is displaying H what does it mean

Summary of Contents for PowerTech MP-3760

  • Page 1 Dual Battery Solar Controller USER MANUAL Ideal for RVs, Caravans, Boats, Buses and more 10A, 12/24VDC Auto NOTES: For use with solar panels only...
  • Page 2 INTORDUCTION We have many solar battery charge controllers - up to 50A - but they only work on one battery bank. This unit will charge TWO house battery banks or one house bank and your motor start battery as well. Too often the motor start battery is forgotten if you are camped in the one spot for a long time.
  • Page 3: Technical Information

    TECHNICAL INFORMATION Sealed Flooded Description battery battery battery Equalize charging voltage 14.6V — 14.8V Boost charging voltage 14.4V 14.2V 14.6V Float charging voltage 13.8V 13.8V 13.8V Maximum solar voltage 30V(12V System) 55V(24V System) Battery voltage range 8~15V Boost time 2 hours Self-Consumption 4mA at night, 10mA during charging...
  • Page 4 SET UP (Note: Connect the components in sequence 1 to 6, refer Diagram: Major Features of Dual-Battery controller) Connect with Battery #1 (Step 1 and 2) Connect with Battery #2 (Step 3 and 4) Connect with the Solar Panel (Step 5 and 6) Warning Incorrect connection of Battery can damage the regulator If used for single battery systems skip steps 3 and 4...
  • Page 5: Setting Mode

    A communication port for the remote meter (Not Included) Note: In absence of RTS, the controller calculates the data received from local temp. sensor. The controller will switch to RTS reading automatically when RTS is connected. SETTING MODE The Regulator automatically detects Battery voltage 24V battery must have 24V solar panels and 12V battery must have 12V panels 1.
  • Page 6 MODES LED is for Battery Type Setting Battery type Sealed battery Gel battery Flooded battery LED is for Charging priority, only set the percentage you want for Battery #1, the controller will automatically calculate for Battery #2. Setting Battery #1 Battery # 2 charging charging...
  • Page 7: Troubleshooting

    When the controller detects only Battery #1, all power will be sent to battery #1 automatically. LED is for charging frequency. Setting PWM Charging frequency 25Hz (pre-set) 50Hz 100Hz TROUBLESHOOTING LED flash (multiple flashes per second): Short circuit; check the solar panel and battery to make sure they are corrected properly LED flash (1 flash per second): Fully charged...
  • Page 8: Mechanical Drawing

    MECHANICAL DRAWING...

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