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ELECTRICAL INSTALLATION - SOLAR ECU
SAVE THESE INSTRUCTIONS - This manual contains important instructions for the
ECUs model gate operator that shall be followed during installation and maintenance
of the charge controller.
Battery Selection
• Battery is sold separately.
• Use only UL recognized 12V Sealed Lead Acid (SLA)
• 35Ah Maximum battery capacity.
Battery Care and Location
• Use at least 12AWG wire, rated 90°C or better.
• Two 7Ah batteries can be stored within the ECU's
battery compartments.
• Alternatively, a 35Ah battery can be stored in a
sperate BOX such as Viking part# VNXECUBB
• Ensure the battery terminals will maintain a 1/4"
spacing from all other circuits and metal parts.
• Do not dispose of the battery in fire. The cells may explode.
Check with local codes for possible disposal instructions.
• Do not open or mutilate the battery. Released electrolyte
is corrosive and may cause damage to the eyes or skin. It
may be toxic if swallowed.
• Exercise care in handling batteries in order not to short the
battery with conducting materials such as rings, bracelets
and keys.
• CAUTION - A battery can present a risk of electrical shock,
burn from high short circuit current, fire or explosion from
vented gasses. Observe proper precautions.
• Observe proper polarity orientation between the battery
and charging circuit.
Solar Panel Selection
• Solar panel(s) are sold separately.
• Use only UL Listed 12V solar panel(s), such as Viking part #s:
Wattage
40 Watts
!
Important:
The number of cycles achieved daily is dependent on many factors,
including current draw of the motor and accessories, and local solar radiation data.
If more specific information is needed please consult with Viking Access Systems.
For more information regarding solar energy refer to: http://rredc.nrel.gov/solar/
pubs/redbook/
VIKING TECHNICAL SUPPORT 1.800.908.0884
Viking Part#
VA-SO40W
7Ah
Battery
Storage
Open-Circuit
Voltage
21.8V
Battery
Storage
VNXECUBB
35Ah Battery
Conduit
Short-Circuit
Current
2.57A
4 3
7Ah
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