Instructions / Assembly
www.GrapeSolar.com 
Tel. 1-877-264-1014 (toll free), 1-541-349-9000     
Document Version 20190316 
©Copyright 2019, Grape Solar, Inc. All Rights Reserved 
540 Watt Off-Grid Charging Kit 
(GS-540-KIT) 
Quick Connect Guide 
IMPORTANT:  Please  read  GS-PWM-COMET-40  charge 
controller  owner’s  manual  and  GS-STAR-180W  Connection 
Guide (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-540-KIT PHOTOVOLTAIC  
POWER GENERATION SYSTEM 
QUICK CONNECT GUIDE REV. 190316 
1 
Check your order to make sure that all parts are included:  
 GS-PWM-Comet40 Charge Controller 
 3x 10-Amp MC4 In-Line Fuse 
 2x MC4 Branch Connector Set 
 3x GS- STAR-180W Solar Panel 
 5-ft. Red/Black 10 AWG Cable Pair 
 2x 15-ft. MC4 Cable 
 6-in. Red/Black MC4-to-Bare Wire Pair 
Additional tools and equipment you will need: 
 ◦Screwdriver– Philips Head       
 ◦12-Volt Deep-Cycle Battery Bank   ◦Voltmeter (for Troubleshooting) 
   
x3 
 
x2 
x2 
  
 
x3 
 
To estimate how much average monthly 
power this system should produce in your 
area, please use the PV Watts Calculator 
found at: 
https://pvwatts.nrel.gov/ 
This System Size= 0.54 kW DC 
(only applicable for zip codes in the U.S.A.) 
[The Quick Connect Guide  
 diagrams are not to scale.] 
 




