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Showing articles from controller tag

PWM-30-UL Installation: Choosing a Location

**Choosing a Location to Install GP-PWM-30-UL** The GP-PWM-30-UL is designed to be mounted flush against a wall, out of the way but easily visible. The GP-PWM-30-UL should be: * Mounted as close to battery bank 1 as possible * Mounted on a vertical surface to optimize cooling of the unit * Indoors, protected…

Important Safety Instructions

![][1] **Disconnect all power sources** Electricity can be very dangerous. Installation should be performed only by a licensed electrician or qualified personnel. ![][2] **Battery and wiring safety** Observe all safety precautions of the battery manufacturer when handling or working around batteries. When charging,…

PWM-30-UL Installation: System Voltage and Current

The GP-PWM-30-UL is intended for use at 12 VDC system voltage and is rated for a maximum continuous DC input current of 37.5A and input voltage of 35VDC. Per the National Electric Code (NEC) article 690.7 and 690.8, PV module nameplate ratings must be multiplied by required values (typically 1.25 for both voltage and…

PWM-30-UL: Installation Tools & Materials

**Tools and Materials Needed** * Flathead Screwdriver (for wire terminals) * Philips Screwdriver (for mounting screws) ![][1] If the GP-PWM-30-UL Controller was purchased with a Go Power! RV Solar Power Kit, then UV resistant wire is included. For instructions regarding the Go Power! RV Solar Power Kit installat…

PWM-30-UL Installation: Low Voltage Disconnect Function

**This article relates to the USB Port, and Inverter Remote Signal** To prevent the battery against over-discharge this function automatically switches off the USB output port when Battery 1 voltage is lower than 11.0 VDC. If a compatible inverter is connected and set to remote mode, the controller will also switch o…

Controllers: What does "Meets UL 458 with marine supplement" mean?

**What does "Meets UL 458 with marine supplement" mean?** UL458 ensures safety for power converters in stationary and mobile applications and ensures that the unit remains safe for different applications (for example off-grid where there is no permanent safety ground) and even in fault conditions. The marine suppleme…

PWM-30-UL Installation: Supported Battery Types

The GP-PWM-30-UL is suitable for use with lead acid batteries (vented, GEL, or AGM type) as well as some lithium iron phosphate (LiFePO4) batteries that are supplied with a Battery Management System (BMS).

PWM-30-UL Installation Introduction

A Solar Controller (or Charge Controller / Regulator) is an essential component of your photovoltaic solar system. The Controller maintains the life of the battery by protecting it from overcharging. When your battery has reached a 100% state of charge, the Controller prevents overcharging by limiting the current flow…

GP-MPPT-40 Solar Controller Terminal Connections

* When connecting the MPPT-40 to your battery and your solar bank, the solar panel is connected to the positive and negative terminals on the left hand side of the display. * For a proper installation, use a 10 gauge cable from the solar panels, and a 4 gauge cable to the battery. * There's two positive and two …

GP-MPPT-40 Solar Controller Dip Switch Positions

When unboxing a GP-MPPT-40 Solar Controller, you receive: the controller itself a short length of cat 5 cable (to be used if you're hooking two units in parallel) a battery temperature sensor This video will show you the different positions of the Dip Switch on the [MPPT 40 amp Solar Controller][1] and what their …

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