Installation: Drainvac ProXtrak Series Liquid Extractor Owner Manual

Overview

The ProXtrak Series Liquid Extractor is a professional wet vacuum designed for carpet cleaning, flood recovery, and other jobs that require the removal of large amounts of wastewater. Instead of requiring manual tank emptying, the unit automatically sends collected water to a suitable drain.

Its molded base can be positioned over a toilet, floor drain, shower drain, or an approved outdoor discharge point. The system is intended for users who need extended liquid extraction with less interruption and reduced lifting of heavy wastewater containers.

Specifications

• DV2P56: 4 HP, 137 H₂O, 200 CFM, 72 dB, two motors, 2 × 13.5 A, 8 imperial gallons (36 L) capacity, 15 imperial gallons per minute (68 L/min) flow, 15-inch diameter × 43-inch height (38 cm × 95 cm).
• DV2P57: 2 HP, 140 H₂O, 100 CFM, 66 dB, one motor, 13.5 A, 8 imperial gallons (36 L) capacity, 15 imperial gallons per minute (68 L/min) flow, 15-inch diameter × 43-inch height (38 cm × 95 cm).
• DF2P56: 4.1 HP, 3683 mmH₂O, 415 m³/h, 72 dB, 14 A, 8 imperial gallons (36 L) capacity, 15 imperial gallons per minute (68 L/min) flow, 15-inch diameter × 43-inch height (38 cm × 95 cm).
• DF2P57: 2.42 HP, 3605 mmH₂O, 315 m³/h, 68 dB, 7 A, 8 imperial gallons (36 L) capacity, 15 imperial gallons per minute (68 L/min) flow, 15-inch diameter × 43-inch height (38 cm × 95 cm).
• Model identification is shown on the technical label attached to the left side of the unit.

Detailed Description

The extractor draws dirty water through the connected vacuum hose and collects it in an internal tank. When the liquid reaches the electrode level, the control system starts the wastewater discharge cycle. The valve opens, and the collected water is directed to the connected dumping point.

A typical cycle consists of four stages: the unit remains off, wastewater begins entering, the tank fills to the electrode level, and the contents are evacuated. Filling takes approximately 10 minutes and discharge takes approximately 20 seconds, although actual timing depends on the liquid volume and selected flushing mode.

The main external components include the handle, porthole window, porthole O-ring, valve, and air exhaust. The porthole allows the tank area and internal components to be viewed during inspection. The unit’s lower molding is designed to help position it securely over a toilet when that installation is permitted.

Safety

• Read all instructions before operating the extractor and use it only for the purpose described in this guide.
• Never leave the running unit unattended. Disconnect it when it is not being used and before maintenance.
• Keep children away from the appliance and do not allow it to be used as a toy.
• Do not collect burning or smoking materials, hot ash, flammable liquids, fuel, solvents, explosive substances, or combustible debris.
• Do not vacuum drywall dust or baking flour, as these materials can damage the machine.
• Avoid hard or sharp objects that could block or damage the hose.
• Keep hair, hands, fingers, clothing, and other body parts away from suction openings.
• Use the extractor only with a power supply matching its rated voltage. Never connect a 120 V model to a 230 V outlet or the reverse.
• Use a properly grounded outlet and never modify the supplied plug or use an adapter.
• Do not use extension cords or outlets that cannot safely carry the required current.
• Do not operate the unit if the cord, plug, hose with electrical connections, or appliance is damaged or malfunctioning.
• Keep the power cord away from hot surfaces, and never unplug the unit by pulling the cord.
• Do not handle the plug, cord, or power unit with wet hands.
• Turn all controls off before disconnecting the power.
• When transporting the extractor in a vehicle, secure it upright to prevent damage.

Setup and Operation

Positioning the Unit

Place the extractor at a central location that provides practical access to the work area and a suitable wastewater discharge point. For jobs covering several levels, use the lowest appropriate dumping point. Possible locations include a toilet, shower drain, floor drain, or an approved outdoor location.

Keep a window open in the room where the unit operates to help remove excess humidity. In a bathroom, operate the ceiling ventilation fan when available.

Connecting Power

The ProXtrak Series Liquid Extractor uses plug-in power cords. Models equipped with two motors have a separate cord for each motor, and each cord must be connected to its own circuit to reduce the risk of breaker overload.

• DV2P56: 15 A circuit at 120 V.
• DV2P57: 5 A circuit at 120 V.
• DF2P56: 16 A circuit at 240 V.
• DF2P57: 16 A circuit at 240 V.

Confirm the voltage, outlet configuration, grounding, and circuit capacity before connecting the machine. Electrical work or outlet changes should be performed by a qualified electrician.

Membrane Controls and Indicators

The control membrane includes a test function, a maintenance reset indicator, and flushing-time selection. When the first LED illuminates after connection, the unit is receiving power.

• Test: Press once to start the unit for an independent operational check. Press again to stop it. This function can help evaluate the extractor without relying on the 24 V control network.
• Maintenance indicator: The center LED illuminates after 500 operating hours. This signals that the unit should be inspected by a qualified service technician. Do not reset this indication yourself.
• Short flushing: Press the flushing control once; the LED flashes once. Use this setting when the unit is on the ground outdoors or over an unrestricted floor drain.
• Medium flushing: Press twice; the LED flashes twice. This is the default setting.
• Long flushing: Press three times; the LED flashes three times. Use this setting when the extractor is positioned over a toilet and additional time is needed for wastewater to drain.

When large quantities of liquid are collected, such as during flood cleanup, a longer flushing interval may allow the discharge point to clear before the next cycle begins.

Efficient Extraction Technique

Begin at the point nearest the extractor and work outward, adding hose sections as needed. After reaching the farthest point, return toward the unit while removing unnecessary hose lengths. This approach keeps excess hose out of the work area.

For improved drainage while returning, lift the hose end and keep it elevated as you walk toward the connection point where the next hose section will be removed.

Cleaning and Maintenance

Rinsing After Use

After extraction, rinse the vacuum hose with clean water. Draw water from a filled sink until the extractor has completed one fill-and-discharge cycle. Do not submerge the hose completely during rinsing; allow some air to enter.

Run the unit for one to two minutes afterward to dry the hose and accessories. Stop the extractor and leave it in position so remaining water can drip out. Store the hose and accessories before moving the machine. To reduce floor drips during transport, carry the unit horizontally while tilting it toward yourself.

Routine Inspection

Perform a visual inspection through the porthole at least once a year or whenever the unit’s condition needs checking. The protective screen, electrodes, water inlet pipe, and valve should be examined for buildup, foreign objects, or restricted flow.

To clean the tank area, disconnect the extractor from power and remove the porthole glass by turning it counterclockwise using the handles. Clean the protective screen and both electrodes with a scouring sponge. Clean the tank when necessary, then inspect the water inlet pipe and valve for obstructions before reassembling the porthole.

A blocked protective screen can reduce extraction performance. Dirty electrodes may prevent the controls from detecting the correct liquid level and starting the discharge cycle.

Motor Brush Service

Motor brushes should be inspected after 500 operating hours for wear and replaced when necessary by a qualified service provider. The motor brushes are not covered by the warranty terms stated in the owner’s manual.

Troubleshooting

The Unit Does Not Start

• Check the fuse or circuit protection.
• On models with more than one motor, try switching the motor plug connections as a diagnostic step.
• Have the motor brushes checked for wear or damage.

Suction Is Weak

• Remove the vacuum hose and start the extractor. If suction is strong at the unit, the hose is likely blocked.
• Clear a blocked hose by reversing the connection so airflow moves through it in the opposite direction.
• If suction remains weak at the machine, inspect the valve and motor blades for dirt or damage.
• Check the valve for a defect if the other inspection points are clear.

Water Escapes Through the Motors or the Unit Does Not Stop

• Inspect the liquid-level probes and clean them if they are dirty.
• Consider whether the water being collected is unusually soft, since water conductivity can affect electrode detection.
• Stop using the extractor and arrange qualified service if the problem continues.

End-of-Life Handling

The extractor is covered by WEEE recycling requirements and RoHS substance restrictions. Do not dispose of the appliance with ordinary household waste. At the end of its service life, arrange recycling or recovery through an authorized equipment retailer, service firm, or local waste-management program.

Pros & Cons

• Pros: Automatic wastewater discharge, large 36-liter tank, selectable flushing times, integrated hour meter, porthole inspection access, and configurations for toilet, shower, floor-drain, or approved outdoor placement.
• Cons: Correct electrical circuit planning is required, two-motor models need separate circuits, regular internal cleaning is necessary, and motor-brush inspection is required at the 500-hour maintenance point.