Grape Solar GS-150-KIT User Manual

www.GrapeSolar.com
Tel. 1-877-264-1014 (toll free), 1-541-349-9000
Document Version 210519
©Copyright 2021, Grape Solar, Inc.
150 Watt Off-Grid Charging Kit
(GS-150-KIT)
Quick Connect Guide
IMPORTANT: Please read GS-PWM-20A charge controller
owner’s manual and GS-STAR-50W connection guide (both
included with products) before assembling kit.
For additional information about Grape Solar products:
email Support@GrapeSolar.com, or
call 1-877-264-1014 for live telephone support.
GS-150-KIT PHOTOVOLTAIC
POWER GENERATION SYSTEM
QUICK CONNECT GUIDE Rev. 210519
1
Check your order to make sure that all parts are included:
 GS-PWM-20A Charge Controller
 3x GS-STAR-50W Solar Panel
 2x Branch Connector Set
 5-Foot Ring-lug Red/ Black Cable Pair
 Black 15-foot MC4 Cable
Additional tools and equipment you will need:
◦Screwdriver– Philips Head ◦Wire Stripper/Cutter
◦12-Volt Deep-Cycle Battery Bank ◦Voltmeter (for Troubleshooting)
Mount the three 50-watt solar panels  so that they are facing due South at approximately the same angle as
your latitude. The ideal area has full sun and no shading. If the following connections are made during daylight,
cover the panel with cardboard, cloth, or a similar opaque material so that the panel does not put out power.
Connect the wire end of the red battery cable to the
“+BATTERY” terminal on the back of the GS-PWM-20A
charge controller . Connect the wire end of the 5-foot
black cable  to the “-BATTERY” terminal. A Phillips head
screwdriver can be used to loosen and tighten the screw
clamps onto the wires.
Attach the ring lug end of the red cable  to the positive
terminal of a 12V deep cycle battery. Attach the ring lug end
of the black cable  to the negative terminal.
2
3
  
[diagrams not to scale]



*12V deep cycle battery
not included with kit

 

Grape Solar GS-150-KIT Specifications

General

Output Voltage	120 VAC
Input Voltage	12 VDC
Frequency	60 Hz
Efficiency	90%
Waveform	Modified Sine Wave
Output Power	150W
Protection Features	Overload, Overheat, Short Circuit

Summary

150 Watt Off-Grid Charging Kit Quick Connect Guide

Parts Verification

Check your order to ensure all included parts for the charging kit are present before proceeding with assembly.

Solar Panel Mounting

Mount the three 50-watt solar panels facing due South, angled to match your latitude for optimal sun exposure.

Battery Cable Connections

Connect the red and black battery cables to the charge controller's battery terminals and the positive/negative battery terminals.

MC4 Cable Preparation and Connection

Prepare the 15ft MC4 extension cable by cutting, stripping, and connecting branch connectors to the solar panel cables.

Solar Input to Charge Controller

Connect the prepared solar cables to the 'SOLAR +' and 'SOLAR -' inputs on the GS-PWM-20A charge controller.

Final System Operation Check

Verify battery charge level reaches 100% and controller is set to 'LOAD ON' for system power output.