MAXXFAN® Plus Customer Service and Technical Staff Guide

Models Covered:

• 4000KI
• 4500KI
• 4540KI

Installation Overview:

Roof Opening and Preparation:

• Standard Roof Opening: 355mm x 355mm.
• Roof Thickness: Minimum 50mm, maximum 110mm. Use wood or suitable material to build additional thickness if less than 50mm.
• Electrical Requirements: 12 Volt DC system, minimum 5 amps circuit. Use proper gauge stranded wire for connections.

Installation Steps:

1. Remove Existing Vent (if applicable): Ensure all old sealant is removed from around the roof opening.
2. Apply Sealant: Use BUTYL tape or equivalent caulking on the underside of the flange, covering screw holes.
3. Electrical Connection: Use insulated 16 gauge electrical connectors provided to connect the vehicle’s 12V power to the MAXXFAN power wires. Black wire (+) to vehicle's 12V (+) positive supply.
4. Positioning and Securing: Place MAXXFAN into the opening, ensuring the lid hinge faces the front of the vehicle. Secure with provided screws without overtightening.
5. Sealant Application: Apply Dicor self-leveling lap sealant or similar over every exposed screw head and along the flange's outside edge.

Finalizing Installation:

• Garnish Trim Ring Adjustment: Measure the distance from the ceiling surface to the control plate, add 6mm to 12.5mm to this measurement for the correct Garnish Ring length. Trim and install.
• Power Reconnection: Reconnect vehicle power. A beeping sound indicates a successful power connection. For models 4500KI and 4540KI, the vent cover will automatically close.

Operating Instructions:

Manual Models:

• Vent Lid Operation: Pull to unlock, rotate clockwise to close, counter-clockwise to open. Push to lock.

Automatic Models:

• Vent Lid Operation: Rotate knob without pushing or pulling. Clockwise to close, counter-clockwise to open.

Keypad Controls:

• ON/OFF: Starts or stops the fan. Controls lid in automatic models.
• IN/OUT: Reverses fan direction. Pause before changing direction.
• AUTO: Engages Auto Mode, controlled by thermostat settings.
• Temperature Adjustment: Use (+) and (-) keys to set desired temperature.
• Fan Speed: Adjust with (+) and (-) keys. Beeps indicate max or min speed.

Remote Control (4500KI, 4540KI):

• Controls include ON/OFF, VENT OPN/CLS, AIR IN/OUT, AUTO ON/OFF, TEMP +/-, and FAN SPEED +/-.
• Low Battery Indicator: Displayed on the remote's screen.

Troubleshooting:

• No Power/Operation: Check electrical connections and ensure 12V power is available. Reset by disconnecting and reconnecting power.
• Remote Control Issues: Ensure batteries are charged and aim directly at the ceiling unit.

Maintenance:

• Cleaning: Use mild soap and water only. Avoid caustic or solvent-based cleaners.
• Chemicals to Avoid: Ketones, Esters, Acetone, Halogenated Hydrocarbons, Amines, Aromatic Hydrocarbons.

Warranty:

• 1 Year Limited Warranty: Covers manufacturing defects. Does not include damage from misuse, improper installation, or accidental/incidental damages.

Additional Features:

• FANMATE®: Offers rain protection with less than 5% airflow restriction. Available in white, black, and smoke.

For further assistance or information, refer to the specific sections of this guide related to the issue or feature in question.