Grape Solar GS-PWM-COMET-40 Quick Connect Manual page 2

4
Using wire cutters, snip the 10-gauge, 15ft.
MC4 extension cable  into two equal halves
(7.5ft each.) On the cut ends, strip off ¼-inch of
insulation, revealing bare wire. Connect the
MC4 In-Line fuse  to the female cable end.
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6
Connect the bare wire end of the positive cable  to the "SOLAR +" input of the charge controller . Connect
the negative bare end  to the "SOLAR -" input. Now, you can mount the Comet-40 to an indoor wall or within a
NEMA-3R rated enclosure.
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7
Remove the panel covering. In good sunlight, the charge controller's  "BAT %" should increase to 100%. Once
the battery is fully charged and the controller is set to "LOAD ON," the system will provide power through the load
control output or through the two USB ports. If an inverter is added to the system, it must be connected to the
battery bank, and not to the charge controller.
DISCLAIMER:
Installations of this kit could be subject to national and local building and electrical codes. Installers should have adequate knowledge of
national and local code to ensure the installation passes inspection by the local electric authority.
Proper fuses or breakers should be used to comply with all local and national codes. Contact Grape Solar for specific recommendations.
All batteries used for this system should be identical. Do not mix battery types or sizes. Do not mix old batteries with new batteries.
Performance and charging anomalies can occur if types, sizes, or age of batteries are not identical.
Grape Solar does not warrant the accuracy, sufficiency, or suitability to all customers of any technical or other information provided in
product manuals. Grape Solar does not claim any responsibility or liability for losses, damages, costs or other expenses whether special,
indirect, consequential or incidental, which might arise out of the use of such information.

www.GrapeSolar.com
Tel. 1-877-264-1014 (toll free), 1-541-349-9000
5
Connect the MC4 ends of the halved cable  to the
compatible MC4 ends of the solar panel  cables.
(Mark the end of the positive panel cable with a piece
of tape to help distinguish polarity during connection.)
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GS-100-KIT PHOTOVOLTAIC
POWER GENERATION SYSTEM
QUICK CONNECT GUIDE Rev. 190316
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12V load not included
Document Version 20190316
©Copyright 2019, Grape Solar, Inc. All Rights Reserved
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