PWM-10-FM: Display Troubleshooting
Troubleshooting Instructions Display Reading: Blank Time of Day: Daytime/Nighttime Possible Causes: Battery or fuse connection and/or solar array connection (Daytime only) or battery or fuse connection (Nighttime only). How to tell: * Check the voltage at the controller battery terminals with a voltmeter an…
GP-PWM-30-UL Operation: Power Up
Powering Up the GP-PWM-30-UL When the GP-PWM-30-UL is connected to the battery, the controller will go into Power Up mode. Icons Displayed: All segments of the numerical display; Backlight blinks Depending on the battery voltage when the GP-PWM-30-UL Power Up occurs, the controller may do a Boost Charge …
GP-PWM-30-UL Installation: Single Battery Wiring Diagram
Single Battery Wiring Diagram Use the following wiring diagram if you are using the GP-PWM-30-UL to charge only one battery. Connect your battery to the battery 1 terminals on the solar controller. The GP-PWM-30-UL Maximum 37.5A rating is based on a 30-amp total maximum short circuit current rating (Isc) fr…
GP-PWM-30-UL Setup & Operation: Setting the Battery Type and Charging Profile
Setting Battery 1 To set the battery type for battery bank 1, hold the B Button for 3 seconds. When the display shows a blinking number 1, release the B Button. Next, select the charging profile of battery bank 1 by pressing the B Button to toggle through the profile options: Sealed/Gel, AGM, Flooded, or …
PWM-30-UL Installation: Choosing a Battery
HOW TO CHOOSE A BATTERY 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). If using lithium ion, it must be lithium iron phosphate (LiFePO4) chemistry with a BM…
GP-PWM-30-UL Operation: Maximum Power Boost Technology
Maximum Power Boost Technology™ Maximum Power Boost Technology™ (MPBT) allows you to override the normal charging algorithm of the solar controller. MPBT is designed to be used before the end of the day, if you know you will be running many loads through the night. This feature can also be used when you have just in…
GP-PWM-30-UL Setup & Operation: How to Change from Auto to Manual Scroll
Viewing the Controller Display Information GP-PWM-30-UL has two modes to watch the display information, manual and auto scroll. You can change between the two modes by holding down the A Button for 3 seconds. Mode 1: Manually Scroll Through Display Information Battery 1 Status Values To toggle betw…
