A/C service station

EKM ECO 3S

Fully automatic for medium-volume workshops

5" TFT HMI touchscreen, 15 kg tank, the same 450 g/min recovery rate as the MAX 3, and analogue gauges. The warning light on top shows from a distance whether a job is still running.

R134a / R1234yf

Made in Türkiye
2-year warrantyDirect from the manufacturer
Technical support
User trainingInstallation and training included
  • 5"TFT HMI touchscreen, multilingual menu
  • 15 kgrefrigerant tank (25 / 33 kg optional)
  • 450 g/dkrefrigerant recovery rate
  • ±5 gelectronic scale accuracy
  • 6 m³/hvacuum pump (7.6 m³/h optional)
  • Wi‑Fiupdates & e‑mail reports

Who it's for

The fully automatic station for medium-volume workshops.

The ECO 3S delivers the same recovery rate as the MAX 3 in a more compact housing with a smaller tank. The right size for workshops that see a few vehicles a day in season.

  • Independent auto A/C specialists

    Fully automatic workflow, vehicle database and ±5 g scale; the same result on every vehicle, whatever the technician's experience.

  • Multi-brand workshops and auto electricians

    A compact housing with four swivel castors and a storage pocket, for workshops that offer A/C service alongside other work.

  • Second unit for authorised service centres

    The station that opens a second lane when the MAX 3 is fully booked in season, with the same reporting standard.

Key features

MAX 3 speed, more compact housing

5" TFT HMI touchscreen

All operations are easily managed and monitored on the multilingual menu; the operator guide leads you step by step.

Wi‑Fi updates and e‑mail reports

Software and the vehicle database are updated free of charge over the internet; the service report is sent to an e‑mail address. Bluetooth connectivity.

Comprehensive vehicle database

Up-to-date refrigerant quantities for passenger and commercial vehicles are stored in the unit; select make/model and the values are filled in automatically.

±5 g electronic scale

Refrigerant and oil charging to the gram with high-precision sensors.

Fully automatic process control

Recovery, non-condensable purge, oil drain, vacuum, leak test, oil injection and refrigerant charge run in sequence without intervention.

Automatic leak check and non-condensable purge

Leak detection with a precision vacuum sensor; non-condensable gases are removed from the system when needed.

Analogue gauges

High-quality 63 mm analogue gauges for the most accurate reading: low pressure 15 bar, high pressure 30 bar.

Used and new oil bottles

Used oil is drained automatically into its bottle; new oil is added at the touch of a button. Maintenance reminders for the filter, pump oil and compressor oil.

Service workflow

Connect the hoses, select the vehicle,
let the ECO 3S do the rest

Seven steps run in sequence without user intervention. Recovered and added refrigerant is tracked in the statistics menu; the report is sent by e‑mail.

  1. 01Refrigerant recovery
  2. 02Non-condensable gas purge
  3. 03Used oil drain
  4. 04Vacuum
  5. 05Leak test
  6. 06Oil injection
  7. 07Refrigerant charge
  • 450 g/dkrecovery rate; the same as the MAX 3
  • 150 kgdrier filter capacity; removes acid, moisture and particles
  • 98 kgcompact housing, four swivel castors and a storage pocket

Specifications

EKM ECO 3S in numbers

RefrigerantR134a or R1234yf (selected when ordering)
Display5" TFT HMI touchscreen, multilingual menu
Refrigerant storage tank15 kg (25 or 33 kg optional)
Refrigerant recovery rate450 g/dk
Scale accuracy±5 g
Compressor3/8 HP, 12 cc, hermetic
Vacuum pump6 m³/h, 100 L/min (7.6 m³/h optional)
GaugesLow pressure 15 bar, high pressure 30 bar (63 mm, analogue)
Drier filter capacity150 kg
Hose length300 cm
PortWi‑Fi (updates, e‑mail reports), Bluetooth
Operating temperature8–49 °C
Power220 V ±%10 / 50 Hz
Dimensions (W × D × H)58 × 61 × 111 cm
Weight98 kg
Packaging dimensions117 × 65 × 69 cm
CertificationCE · ISO 9001 manufacturing

The ECO 3S family

Single refrigerant or multi-refrigerant?

Same housing, same screen, same speed. Thanks to external cylinders and the electronic scale system, the ECO 3S Multi offers flexible service with more than one refrigerant.

Standard

ECO 3S

Fully automatic station for single-refrigerant workshops, running on R134a or R1234yf.

  • R134a or R1234yf (selected when ordering)
  • 15 kg internal tank
  • Analogue gauges, Wi‑Fi
Multi-refrigerant

ECO 3S Multi

The multi-refrigerant version: flexible service and precise charging with more than one refrigerant, thanks to external cylinders and the electronic scale system.

  • Multi-refrigerant charging from external cylinders
  • R134a and R1234yf in one unit
  • Workshops with a mix of refrigerants
FeatureECO 3SECO 3S Multi
RefrigerantR134a or R1234yfR134a / R1234yf, multi-refrigerant charging with external cylinders
Charging from external cylinder—Yes
Display5" TFT HMI5" TFT HMI
Tank15 kg (25 / 33 kg optional)15 kg + external cylinder
Recovery450 g/dk450 g/dk
Who it's forWorkshops working with a single refrigerantWorkshops with a mix of both refrigerants

Frequently Asked Questions

What people ask before buying

What is the difference between the ECO 3S and the MAX 3?

Both recover at 450 g/min. The MAX 3 comes with a larger tank (25 kg), a 10" screen, a more powerful vacuum pump (10.2 m³/h) and a thermal printer; the ECO 3S, with its 15 kg tank, 5" screen and analogue gauges, is more compact and more economical.

Can I service both R134a and R1234yf vehicles?

The standard ECO 3S is configured for a single refrigerant when ordered. For workshops with a mix of both, we recommend the ECO 3S Multi, which charges multiple refrigerants from external cylinders.

Are software and vehicle database updates charged?

No. The unit connects to the internet via Wi‑Fi; software and vehicle database updates are free. A unit you buy today stays up to date for years.

How do warranty and service work?

Recharging units carry a 2-year manufacturer's warranty. On-site service is provided across Türkiye within 24–48 hours; labour after a repair is covered by an additional 6-month warranty. Service is provided by the team that designed and built the unit. For a fault under warranty the process has four steps: notification and registration, assessment, repair, testing and delivery; details are on the technical service page. on the technical service page.

When should the drier filter be replaced?

The filter loses its effectiveness after cleaning 150 kg of refrigerant; the unit tracks filter life and warns you when it is due. Because it does not cause a blockage, do not ignore the warning: an unchanged filter cannot purify the refrigerant.

Are installation and training included?

Yes. The device is installed on-site, the scales and vacuum system are calibrated, and your technicians are provided with training on how to use it. A user manual in Turkish, as well as training videos, are also available on our YouTube channel.

Yes. The unit is installed on site, the scales and vacuum are calibrated, and your technicians receive user training. The user manual and training videos are also available on our YouTube channel.

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