Clean room turn-key solution, RLS Komenda

An excellent example of our turn-key solutions for clean rooms is the company RLS in Komenda, Slovenia, which designs, produces and supplies advanced rotary and linear motion sensors. For this project we supplied air filtration, air distribution and VAV systems, as well as special walls, ceilings, floors, doors with interlock systems and lighting elements for the clean room. Additionally, our company acted as a provider of the complete HVAC system and building management system for the office facilities and carried out all mechanical installations.

The new headquarter of the company RLS boasts high energy efficiency, with separate heating and cooling systems providing maximum comfort and a remotely manageable central building management system (BMS).

The clean room represents a 160 m2 production area for electrical components. The required grade of air purity was ISO 8 in the state of "as built" according to ISO 14644-1. The quantity of supplied air is 10,000 m3 / h (20 air changes / hour) with mixing (fresh air / circulation air) in a ratio of 10/90, which is prepared in the hygienic version air handling unit. Required characteristics were also humidity 40% ± 5% and a constant temperature of 22 ° ± 1C. The air handling unit, if required, provides additional humidification (own electric steam generator) and dehumidification (cooler and additional heater). For maintaining a constant pressure of 15 Pa, electronic air flow volume control units are installed in the exhaust air duct and connected to pressure sensors and a controller. The air is supplied to the clean room through AFV-8G diffusers with HEPA filters class H14 according to DIN EN 1822-1:2010, a gel gasket and front panel type OD-8 600/48, while the air return is carried out through KD-12 diffusers.The temperature and humidity are controlled via BMS.

High energy efficiency is achieved also by means of advanced automation, which automatically switches between different regimes depending on the occupancy of the premises and the actual need for heating and cooling during the day. Via BMS also the heat pump, two air handling units and ceiling cassette fan coils can be controlled. The precise regulation of air volume is achieved using electronic air flow controllers and special OD-17 VAV-diffusers, which, independently to the supplied air volume, maintain a constant air supply distance and sound characteristics.