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Terminal Block 

– for easy wire connections 

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Mounting Options 

– Can mount any surface or onto a wall   

 

Installation and Operation 

WARNING: 

Follow all safety precautions of the battery manufacturer. Proper ventilation 

must be provided for the batteries. Most batteries produce hydrogen gas when charging, 
which is extremely explosive. Provide adequate battery ventilation. 

DO NOT 

Expose the battery to open flame, matches, cigarettes or sparks. 

CAUTION: DO NOT EXCEED THE UNIT’S VOLTAGE AND CURRENT RATINGS:

 

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Do not 

exceed the maximum solar array voltage rating of 26 volts.   

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Do not 

exceed the maximum current rating of 30 amps.   

CAUTION: DO NOT DEVIATE FROM THE RECOMMENDED WIRING INSTRUCTIONS: 

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Do not 

reverse Battery (+) and Battery (-) connections to the controller. 

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Do not 

reverse the Battery and Solar Array connections to the controller. 

 Unplug

 the controller from the solar array and battery before attempting any maintenance 

or cleaning.   

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Do not

 disassemble the controller. Take it to a qualified service center when service or 

repair is required. Incorrect reassembly may result in a risk of damage the unit. 

 Installation

 should be made by a qualified person. 

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Save

 these instructions for future reference. 

PERSONAL PRECAUTION: 

 

If battery acid contacts skin or clothing, wash immediately with soap and water. If acid 

enters eye, immediately flush eye with running cold water for at least 10 minutes and get 
medical attention immediately. 

 

Never smoke or allow a spark or flame in vicinity of battery. 

• Be extra cautious to reduce risk of dropping a metal tool onto battery. It might spark or 

short-circuit battery or other electrical part that may cause explosion.

   

1. Mounting 
1.1 Mounting Consideration: 

- The solar controller is designed to be flush mounting or wall 

mounting. 

1.2 Flush mounting: 

The flush mounted unit requires a rectangular cutout in the mounting 

surface with sufficient space (2-3 inches) behind to accommodate the controller. 

1.3 Wall mounting: 

The wall-mounted unit is installed onto a wall surface using two 

mounting screws. Electrical connections are made to the back of the controller. Wiring can be 
run down the wall or through a hole in the wall directly below the controller. 

1.4 Recommended Battery Capacity : 

12V 45AH minimum.     

2. Connection Procedures (refer to Connection diagram) 

2.1 Fix the mounting of the solar controller panel. 
2.2 Select Lead-Acid or Gel-cell Battery modes.   
2.3 Connect the solar panel positive side to the solar controller ARRAY PO by a suitable wire 

(Be careful not to short circuit the solar array.) 

2.4 Connect the solar panel negative side to the solar controller ARRAY NEGATIVE– by a suitable wire 
2.5 Connect the Lead-Acid or Gel-cell battery positive side to the solar controller BATTERY PO 
by a suitable wire. 

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