5
V1.7
4. INSTALLATION
• Please read the entire installation instructions to get familiar with the installation steps
before installation.
• Be very careful when installing or connecting batteries, especially flooded lead-acid
batteries. Wear eye protection and have fresh water available to wash and clean any
contact with battery acid.
• Keep the MPPT Controller and battery away from any metal objects, which may
cause short circuit of the battery.
• Explosive battery gases may come out from the battery during charging, so make
sure ventilation condition is good.
• Ventilation is highly recommended if mounted in an enclosure. Never install the
controller in a sealed enclosure with flooded batteries! Battery fumes from vented
batteries will corrode and destroy the controller circuits.
• Loose power connections and corroded wires may result in high heat that can
melt wire insulation, burn surrounding materials, or even cause fire. Ensure tight
connections and use cable clamps to secure cables and prevent them from moving
in mobile applications.
• The controller is only compatible with lead-acid (Sealed, Gel and Flooded) and lithium
(LiFePO4 and LiNiCoMnO2) batteries listed in this manual.
• Battery connection may be wired to one battery or a bank of batteries. The following
instructions refer to a singular battery, but it is implied that the battery connection can
be made to either one battery or a group of batteries in a battery bank.
• Multiple same models of controllers can be installed in parallel on the same battery
bank to achieve higher charging current. Each controller must have its own solar
module(s).
• Select the system cables according to 5A/mm2 or less current density.
1. Ensure unit is mounted securely inside a protected / covered area
2. If mounted in an enclosure, ensure adequate ventilation to avoid overheating or
damage to the unit
3. Plug the included temperature sensor into the unit before connecting any power
wiring (if the temperature sensor is not fitted, or is damaged, the unit will default
to 25C
4. Ensure correct polarity when connecting included wiring, or fitting other wiring, to
the Battery, Load and Solar terminals.
5. Loosen each of the screw terminals that you intend to use.
6. Identify the positive and negative markings on the quick connect plugs and
ensure you fit the correct wire into the correct screw terminal ‘block’
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General
Weight and Dimensions