ABOUT THIS MANUAL
These operating instructions come with the product and should be kept with it as a reference to all user’s
of the product.
Read these operating instructions carefully before use,
Keep them over the entire life of the product,
And pass then on to any future owner or user of this product.
This manual describes the installation, function, operation and maintenance of the solar system
controller ISC3020.
These operating instructions are intended for end customers. A technical expert must be consulted in
cases of uncertainty.
SAFETY
1. The solar controller may only be used in PV systems for charging Lead-Acid type batteries. This
includes: SLA, VRLA, Lead-Calcium and AGM.
Note; User’s should always refer to battery manufacturer/supplier’s recommended values for
battery charging settings and float voltage setting.
2. No energy source other than a solar panel (PV) may be connected to the solar charge controller.
3. Do not connect any defective or damaged measuring equipment.
4. Follow the general and national safety and accident prevention regulation.
5. Never alter or remove the factory plates and identification labels.
6. Keep children away from PV & Battery systems.
7. Never open the device. (No user serviceable parts inside)
8. One set solar module can connect with one controller only.
9. Never touch bare cables.
OTHER RISKS
Danger of fire and explosion
Do not use the solar charge controller in dusty environments, in the vicinity of solvents or
where inflammable gases and vapors can occur.
No open fires, flames or sparks in the vicinity of the batteries.
Ensure that the room is adequately ventilated.
Check the charging process regularly.
Follow the charging instructions of the battery manufacturer.
Battery acid
Acid splashes on skin or clothing should be immediately treated with soap suds and rinsed
with plenty of water.
If acid splashes into the eyes, immediately rinse with plenty of water. Seek medical advice.
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