Comfort cooling | S-Serie

SRK 20-50 ZS-W

Wall and outdoor units from Mitsubishi Heavy Industries. An unit for cooling and heating with R32/R410A.

Single Split 2021

Extreme stock

With several storage locations in the Netherlands and 10,000 pallets in stock, STULZ is the reliable partner for the purchase of your air conditioning systems. Our Single Split promotion of 2021 starts now.

More information.

Elegant timeless design

The ZS series air-conditioners have been stylishly designed with rounded contours that fit beautifully into any of Europe’s diverse interior settings. The design was created by the Italian industrial design studio Tensa srl, based in Milan, to respond to a broad spectrum of local user needs.


R32 refrigerant

R32 is the next generation refrigerant that boasts nearly 70% lower Global Warming Potential Rate
than R410A. Due to its superior qualities R32 offers amazing energy efficiency benefits. It has a
potential refrigerating effect 1.5 times that of R410A meaning it needs less energy to achieve the
desired temperature and requires less refrigerant volume to operate.




  • Pendulum blades

    Blow-out angle can be adjusted as desired in both the vertical and horizontal directions with the infrared control.

  • Optimal air distribution

    Thanks to the Autoswing functions.

  • Eco function

    Contributes to the reduction of the operating costs.

  • Enzyme filter

    For cleaning of the outside air.

  • 3 optional different color models

    High gloss white ral 9003 (SRK-ZS-W), Titanium (SRK-ZS-WT), high-gloss white black (SRK-ZS-WB).

  • Optional Comptrol control systems

    Including operating and malfunction reports, temperature limit alarm, remote ON / OFF, sequencing, measurement and control software and GBS connections.

  • Auto function for fast heating and heating company

  • Automatic restart after power failure



  • Quiet and Comfort

    Mitsubishi Heavy Industries Thermal Systems offers a unique modest air conditioner; quiet and comfortable which provides precise air flow and capacity control. With a minimal 19 dB (A).

  • Energy saving

    High energy saving with comfort air conditioning ; provides the user with multiple solutions between comfort and energy savings. All the models can achieve high energy efficiency by use of Mitsubishi Heavy Industries technology, such as high performance compressor, DC PAM inverter technology.

  • Clean Air

    Allergen clear operation cleans air using a control scheme unique to Mitsubishi Heavy Industries Thermal Systems. Furthermore, a wide array of air purification filters and self-cleaning operation helps keep the room air clean.

  • Flexible control

    The easy to install Wi-Fi adapter enables remote control with an app for smartphones.

Always fresh and clean air

The indoor units of the Mitsubishi Heavy Industries SRK series contain a unique filter technology, which hygienically cleans the air flowing through the unit.

In addition, the single-split units have self-cleaning functions that prevent mold formation in the units.

Find out more



Also compatible as Multi-Split solution. There are various possibilities with the different outdoor units.

Product information


Downloads & technical data


Related products

Related products

To top