Quad II Diaphragm Models 4405 Series Automatic Water System Pump Technical and Customer Service Manual

Product Features

• Self-Priming: Capable of priming up to 6 ft. suction lift.
• Dry Running: Can run dry without damage.
• Noise Reduction: Equipped with soft, noise-absorbing mounts.
• Corrosion Resistance: Built with materials resistant to corrosion.
• Compliance: Meets U.S. Coast Guard electric standards.
• Bypass Valve: Features an internal bypass valve for smooth operation without the need for an accumulator tank.

Specifications

• Motor: Permanent Magnet, Ball Bearing. CE models are fully suppressed.
• Pump: Four chamber diaphragm design.
• Dimensions: Height: 3.75 inches (95mm), Width: 6.3 inches (160mm), Length: 8.2 inches (208mm), Weight: 3.9 lb. (1.8 kg).
• Voltage Options: Available in 12V, 24V, and 32V DC models.
• Flow Rate: 3.3 GPM (12.5 L/min) at 10 psi (0.7 bar).
• Max Pressure: 35 psi (2.4 bar).

Installation

1. Preparation: Remove shipping plugs from pump ports. Expect some water spillage from factory testing.
2. Port Connectors: Install inlet (A) and discharge (B) port connectors. Secure by pushing slide clips (C) forward.
3. Mounting: Slide rubber mounts into mounting tracks. Pump can be mounted vertically (pump head down) or horizontally. Ensure accessibility.
4. Hose Connections: Use 1/2” I.D. flexible hose for connections and 3/8” I.D. hose for feed lines. High-pressure hose recommended for city water lines.
5. Strainer Installation: Install a Flojet strainer between the tank and pump inlet for warranty validity. Do not use with an accumulator tank.

Wiring

1. Wire Gauge: Use 14 gauge stranded wire up to 20’, and 12 gauge up to 50’ from the power source.
2. Switch and Fuse: Install a 10-15 amp on-off switch on the positive (red) motor lead. Fuse protection: 10-15 amp for the -143 model, 7 amp for the -343, and 5 amp for the -443 model.

Troubleshooting

• Failure to Prime: Check for restricted lines, air leaks, debris, or damaged diaphragm.
• Pump Fails to Turn Off: Possible causes include an empty water tank, low battery, discharge line leak, or defective pressure switch.
• Motor Issues: If the motor fails to turn on, check wiring connections, power circuit, and fuse. Low flow and pressure might indicate air leaks or debris accumulation.
• Pulsating Flow: Check for restricted pump delivery, including clogged lines or valves.

Service and Maintenance

• Disassembly/Reassembly: Detailed steps provided for servicing the upper housing, diaphragm, check valve assembly, and motor. Ensure proper alignment and torque specifications are followed.
• Service Parts: Includes upper housing, check valve assembly, diaphragm assembly, lower housing assembly, motors, ports, pump head assembly, side clips, and pressure switch assembly.

Accessories

• Quick Connect Port System: Various adapters and elbow fittings available for different hose connections.
• Strainers: Recommended strainer models for the 4405 series to ensure clean water supply and pump protection.

Warranty and Support

• Warranty: Two-year warranty covering defects in material or workmanship. Excludes costs of removal or installation.
• Return Procedure: Contact customer service for an authorization number before returning any product. Include a detailed reason for return, contact information, and the authorization number on the package.

This manual is designed to provide comprehensive technical and operational information for customer service and technical staff, ensuring efficient support and maintenance of the Quad II Diaphragm Models 4405 Series Automatic Water System Pump.