Instructions / Assembly

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©Copyright 2017, Grape Solar, Inc. All Rights Reserved
GS-50-KIT PHOTOVOLTAIC POWER GENER-
ATION SYSTEM
QUICK CONNECT GUIDE Rev. 180601
Valid from June 2018
Step 2: If you are connecting the system during daylight, cover the panel
with cardboard, cloth, or a similar option so that it does not output
power. Place the panel so it is facing due south at approximately the
same angle as your latitude, in full sun.
Step 3: Mount the controller if desired (note that it must be in a NEMA-4
rated enclosure if it is outdoors). Use the 5-foot red & black cable
pair to connect your positive and negative battery terminals to the
battery inputs on the charge controller.
Step 4: Attach the lug end of the red cable to the positive terminal on the
battery. Attach the lug end of the black cable to the negative terminal
on the battery. If your battery has sufficient charge (11.5 volts or
more), you should now see the LCD display light up on the controller.
This means the controller has power (controllers are powered by the
battery, not the panels).
Step 5: Cut the 15-foot MC4 cable into two equal halves (7.5 feet each).
Strip back the wire on the cut end around 1/4 inch to expose the wire
(see photos to right). Connect the MC4-comparable ends of the 7.5 foot
wires to the panel. Follow the positive lead and mark the bare wire end
of the 7.5 foot cable to differentiate it from the negative.
Step 6: Connect the bare wire end of the positive cable to the “Solar +” input of
the PWM-165, and the negative cable end to the “Solar -” input.
Step 7: Uncover the panel. As the day progresses, you should see the battery charge percentage increase until it is reading 100%. Once
the battery is fully charged, you can use it to provide power through an inverter or through the load control output of the PWM-165.
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