Review of Imartine's Coredy R3500 Robotic Vacuum Cleaner

Updated on June 27, 2019
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Walter Shillington writes about products he is familiar with. His articles focus on healthcare, electronics, watches and household items.

Imartine's Coredy R3500
Imartine's Coredy R3500 | Source

One of my first reviews compared the Vileda Virobi against Koolvac’s KV-1 robotic vacuum. The Kookvac, an early competitor to Roomba, was a large and colorful machine that rumbled across the floor, banging noisily against the furniture until its battery ran dry. Sadly, the KV-1 was not particularly agile and required plenty of assistance whenever it became stuck.

Much has changed over the years. Modern robotic vacuums are smaller, lighter, and more intelligent. Sensor systems have improved, and most vacuums will automatically return to their docks to recharge.

This week’s review features the Coredy R3500 which was developed by iMartine. It incorporates and builds upon many of the innovations developed over the past few years.

Description

The Coredy R3500 weighs in at 5.6 pounds. The vacuum spans 12.5 inches and is 2.7 inches tall.

It arrived in a cardboard box containing the vacuum, remote control, AC adapter, charging dock and a cleaning brush. Two spare side brushes, spare filter, and a user’s guide were also provided.

The top surface is composed of scratch-resistant glass and is broken only by a start button and colored LEDs which flash while the unit is charging.

The Coredy R3500 is equipped with three types of sensors. Cliff sensors, located beneath the robot, ensure it will not inadvertently, tumble down a set of stairs. A plastic bumper, which wraps around the front of the vacuum, covers a series of mechanical switches. When the vacuum brushes against an object, such as a table leg, one of these hidden switches will be activated, alerting the robot to back away and walk itself around the obstruction. Infrared wall sensors ensure the robotic vacuum will reduce speed as it approaches walls and large pieces of furniture.

Robotic vacuums navigate a room, powered by a pair of large spring-loaded drive wheels. A sturdy caster is utilized to provide balance and provide the ability to change direction. Coredy has added a roller, positioned beneath the dustbin, to increase the agility of their new vacuum.

This unit includes a pair of side brushes, intended to sweep debris within reach of its main brush. The main brush quickly grabs this material and deposits it into the dustbin. The Coredy R3500’s rate of suction can be switched between 1400PA and 1700PA.

Located at the bottom of this robot, are the charging contacts, battery compartment, and main power switch. The 2600mAh Li-ion battery will power this robotic vacuum for two hours.

A removable dustbin slides into the rear edge of the robot. This 550-milliliter container is fitted with a HEPA filter.

The Coredy R3500 is suitable for hard surfaces and low pile carpet. Cleaning modes consist of automatic, spot, max, and edge cleaning.

Click thumbnail to view full-size
Imartine's Coredy R3500Imartine's Coredy R3500Imartine's Coredy R3500
Imartine's Coredy R3500
Imartine's Coredy R3500 | Source
Imartine's Coredy R3500
Imartine's Coredy R3500 | Source
Imartine's Coredy R3500
Imartine's Coredy R3500 | Source

Specifications

  • Manufacturer: Coredy/iMartine
  • Model: R3500
  • Country of origin: China
  • Color: Black
  • Weight: 2.54 kilograms (5.6 pounds)
  • Diameter: 31.75 centimeters (12.5 inches)
  • Height: 68.6 millimeters (2.7 inches)
  • Battery: 2600mAh lithium-ion; 14.4 volts; 30 watts
  • Battery Charging Time: 4 hours
  • Battery Run Time: 2 hours when suction set to 1400PA
  • Scheduling: Yes
  • Suction Power: 1400PA/1700PA
  • Cleaning Technique: Suction, main brush, and side brushes
  • Filter: HEPA and foam
  • Accessories: Remote control, recharging base, cleaning brush, 2 spare side brushes, spare filter, and user’s guide.

The Manufacturer

Imartine was founded in 2015 with the intention of providing a range of smart home products that combine value with attractive and functional designs. The new Coredy R3500, designed and developed by iMartine, represents a significant step in this direction.

Coredy is trademarked by Coredy Inc of West Babylon, NY. This company was founded in 2011 and manufactures a variety of robotic vacuum cleaners.

Click thumbnail to view full-size
Remote for Imartine's Coredy R3500Cleaning brush for Imartine's Coredy R3500AC adapter for Imartine's Coredy R3500Dock for Imartine's Coredy R3500Spare filter for Imartine's Coredy R3500
Remote for Imartine's Coredy R3500
Remote for Imartine's Coredy R3500 | Source
Cleaning brush for Imartine's Coredy R3500
Cleaning brush for Imartine's Coredy R3500 | Source
AC adapter for Imartine's Coredy R3500
AC adapter for Imartine's Coredy R3500 | Source
Dock for Imartine's Coredy R3500
Dock for Imartine's Coredy R3500 | Source
Spare filter for Imartine's Coredy R3500
Spare filter for Imartine's Coredy R3500 | Source

Maneuverability and Robot-Proofing

The usefulness of a robotic vacuum depends on the device’s ability to start automatically, effective vacuum its cleaning area, and then return to its dock. While my house is not completely robot-proof, by following the steps below, I have come close to meeting this standard.

To prevent the vacuum’s wheels and brushes from becoming entangled, all cables and wires should be secured to baseboards with clips.

Avoid cluttered floors to ensure the robot’s progress is not impeded.

Sometimes robotic vacuums sandwich themselves between the floor and a couch or cabinet. I was lucky with the Coredy R3500; it was slim enough to slip under the computer desk and kitchen cabinet that usually entraps my test subjects.

Thresholds—the strip of wood at the bottom of doorways where rooms connect—often rise too high for a robotic vacuum to cross. The Coredy R3500 navigated quickly and smoothly between threshold-separated rooms.

My dining area floor is an inch lower than the rooms on either side. To compensate, I have installed narrow ramps at the points of entry. These ramps, along with floor mounted air vents, will sometimes trap robotic vacuums. The small roller mounted beneath the Coredy’s dustbin helped to ensure the robot could navigate these obstacles.

Several rugs were used to test the ability of the Coredy R3500. The vacuum played well with the thick and heavy mat located in my living-room.

My Turkish rug has always presented a difficulty for robotic vacuum cleaners. Recently I’ve robot-proofed this mat. It is fastened to the floor at the four corners, and its fringes and tassels have been folded beneath the carpet and taped. The Coredy R3500 maneuvered across this rug without difficulty.

I own a thin Persian prayer mat that vacuums tend to push around; sometimes folding over its edges. Eventually, they try to eat the tassel and come to a screeching halt. The Coredy handled this rug better than most. It shoved it around a bit, but the robot was able to continue its cleaning routine without assistance.

The dock should be positioned in a room central to the cleaning area. While the manual advises that one meter of free space should be maintained on each side of the dock, the Coredy proved less demanding of space than most of its competitors. When starting and docking, it moves in a straight line, in and out from the charging station.

Click thumbnail to view full-size
Bottom view of Imartine's Coredy R3500Main brush of Imartine's Coredy R3500Drive wheel and power switch for Imartine's Coredy R3500To improve mobility Imartine's Coredy R3500 is fitted with a roller beneath its dustbinView of side-brush, caster, drive wheel, and charging contacts of Imartine's Coredy R3500Battery fitted to Imartine's Coredy R3500
Bottom view of Imartine's Coredy R3500
Bottom view of Imartine's Coredy R3500 | Source
Main brush of Imartine's Coredy R3500
Main brush of Imartine's Coredy R3500 | Source
Drive wheel and power switch for Imartine's Coredy R3500
Drive wheel and power switch for Imartine's Coredy R3500 | Source
To improve mobility Imartine's Coredy R3500 is fitted with a roller beneath its dustbin
To improve mobility Imartine's Coredy R3500 is fitted with a roller beneath its dustbin | Source
View of side-brush, caster, drive wheel, and charging contacts of Imartine's Coredy R3500
View of side-brush, caster, drive wheel, and charging contacts of Imartine's Coredy R3500 | Source
Battery fitted to Imartine's Coredy R3500
Battery fitted to Imartine's Coredy R3500 | Source

Cleaning Routine

In automatic mode, the vacuum will switch between a zigzag and a random pattern. At various times, throughout the cleaning routine, the robot will shift to an edge cleaning pattern, vacuuming along the walls. This system, in conjunction with a two-hour runtime, allows the cleaning area to be effectively swept.

Using the remote control, the robot can be set to spot, zigzag, or edge cleaning. When the max button is pressed, suction power switches between 1400PA and 1700PA. At 1700PA, suction power is considerably increased, but the normally quiet vacuum becomes very loud, and operating time is reduced by half.

I compared the Coredy R3500 against my Samsung robotic vacuum. The Samsung Powerbot, which is equipped with a navigational system, vacuums the cleaning area once and then return to its dock. Coredy’s R3500 cleans randomly and will continue vacuuming until its battery runs low.

The Coredy R3500, which is significantly smaller than the Powerbot, can enter areas that the more expensive robotic cleaner cannot. Also, the older robot’s edge cleaning system, while admitted more sophisticated, is not as effective as the Coredy’s spinning side-brushes.

Coredy equipped its vacuums with a high-efficiency filter. HEPA filters collect finer dust particles than the soft, foamlike filter fitted to the Samsung product.

For these reasons, the Coredy R3500 routinely collects twice the amount of debris as recovered by the Samsung.

Maintenance

It is recommended that the dustbin be emptied each day. Also, the mesh surface bordering the filter compartment should be brushed. Once a week, I clean the dustbin, main brush, and examine the side brushes for wear. I also wash the foam filter and gently tap the HEPA filter to remove accumulated dust.

Click thumbnail to view full-size
Dust bin of Imartine's Coredy R3500HEPA filter used in Imartine's Coredy R3500Dustbin of Imartine's Coredy R3500
Dust bin of Imartine's Coredy R3500
Dust bin of Imartine's Coredy R3500 | Source
HEPA filter used in Imartine's Coredy R3500
HEPA filter used in Imartine's Coredy R3500 | Source
Dustbin of Imartine's Coredy R3500
Dustbin of Imartine's Coredy R3500 | Source

Overall Impression

If the cleaning area has been adequately robot-proofed, the Coredy R3500 will vacuum your house daily without the requirement for supervision. It cleans better and is more agile than most of the robotic vacuums that I have previously reviewed. Maintenance routines are simple and quickly completed. Coredy’s R3500 is strongly recommended. For those that are interested, iMartine has provided a 10% coupon code 4KEZHDJ3.

Questions & Answers

    © 2019 Walter Shillington

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