Minn Kota MK 220 PC (2 Bank x 10 Amps) On-Board Battery Charger Instruction Manual

1. Introduction

This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Minn Kota MK 220 PC on-board battery charger. This unit is designed to provide reliable charging for marine batteries, featuring two independent banks each delivering 10 amps.

2. Safety Information

Read all instructions before using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury.

• Electrical Safety: Always disconnect AC power before making or breaking connections to the battery. Ensure all wiring is correctly polarized.
• Ventilation: Install the charger in a well-ventilated area. Do not block ventilation openings.
• Battery Safety: Batteries can produce explosive gases. Charge in a well-ventilated area. Avoid sparks or flames near batteries. Wear eye protection.
• Water Exposure: This charger is designed for marine environments but should not be submerged. Ensure all connections are dry before applying power.
• Children: Keep out of reach of children.

3. Package Contents

Verify that all items are present in your package:

• Minn Kota MK 220 PC On-Board Battery Charger Unit
• Mounting Hardware
• Instruction Manual (this document)

4. Setup and Installation

Proper installation is crucial for the performance and longevity of your charger. If you are unsure about any step, consult a qualified marine technician.

4.1 Mounting the Charger

• Select a dry, well-ventilated location in your boat, away from fuel tanks and direct sunlight.
• Ensure there is sufficient space around the unit for air circulation.
• Use the provided mounting hardware to securely fasten the charger to a solid surface.

4.2 Wiring Connections

Always disconnect shore power before making any connections.

1. DC Output Connections (to Batteries):
   • Connect the positive (+) lead (red) from Bank 1 to the positive terminal of your first battery.
   • Connect the negative (-) lead (black) from Bank 1 to the negative terminal of your first battery.
   • Repeat for Bank 2 with your second battery.
   • Ensure all connections are tight and corrosion-free.
2. AC Input Connection (to Shore Power):
   • Plug the charger's AC input cord into a grounded 220V AC outlet.
   • Ensure the outlet is protected by a Ground Fault Circuit Interrupter (GFCI) for marine safety.

An overhead view of the Minn Kota MK 220 PC on-board battery charger. The unit is black, rectangular, with 'PRECISION' and 'MK 220 PC' visible on the top surface. It features two sets of LED indicators for each bank and cables extending from both sides for AC input and DC battery connections. Mounting holes are visible on the base.

5. Operating Instructions

The Minn Kota MK 220 PC charger operates automatically once connected to AC power and batteries.

5.1 Charging Process

1. Ensure all battery connections are secure.
2. Plug the AC power cord into a 220V AC outlet.
3. The charger will automatically begin its multi-stage charging process.
4. LED Indicators: Observe the LED indicators on the charger for each bank:
   • Charging: Indicates the battery is actively being charged.
   • Charged/Maintenance: Indicates the battery is fully charged and the charger is maintaining it at an optimal level.
   • Fault: Indicates a problem with the battery connection or the battery itself. Refer to the Troubleshooting section.

5.2 Disconnecting the Charger

1. Unplug the AC power cord from the wall outlet first.
2. Then, disconnect the DC leads from the battery terminals.

6. Maintenance

Regular maintenance ensures optimal performance and extends the life of your charger.

• Cleaning: Periodically wipe down the charger's exterior with a dry cloth. Do not use harsh chemicals or solvents.
• Cable Inspection: Regularly inspect AC and DC cables for any signs of damage, fraying, or corrosion. Replace damaged cables immediately.
• Ventilation: Ensure that the charger's ventilation openings remain clear of debris and obstructions.
• Battery Terminals: Keep battery terminals clean and free of corrosion for efficient charging.

7. Troubleshooting

If you encounter issues with your charger, refer to the following common problems and solutions:

• Charger Not Powering On:
  • Check if the AC power cord is securely plugged into a live 220V outlet.
  • Verify the outlet is functioning (test with another appliance).
  • Check the boat's circuit breaker or fuse for the AC outlet.
• Battery Not Charging / Fault Light On:
  • Ensure DC leads are correctly connected to the battery terminals (positive to positive, negative to negative).
  • Check for loose or corroded battery connections. Clean terminals if necessary.
  • Verify the battery is not severely discharged or damaged. A battery below a certain voltage may not be recognized by the charger.
  • If the fault persists, the battery may be faulty and require replacement.
• Slow Charging:
  • Ensure the charger is receiving full 220V AC power.
  • Check for excessive voltage drop in AC extension cords if used (use heavy-gauge cords).

If these steps do not resolve the issue, contact Minn Kota customer support.

8. Specifications

9. Warranty and Support

Minn Kota products are manufactured to high standards. For warranty information, product registration, or technical support, please visit the official Minn Kota website or contact their customer service department. Keep your purchase receipt for warranty claims.

Minn Kota Official Website: www.minnkotamotors.com