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The FLX-PLO-EPP-F plenum boxes are part of the FLX-REKU air distribution system designed for domestic mechanical ventilation systems, so-called the MVHR system, to which an air valve and FLX-HDPE / FLX-HDPE-A ducts with a diameter of Ø75 are mounted.

The heat recovery ventilation unit HRU-PremAIR has an air flow capacity of 350 m3/h at 100 PA. Designed to use aluminum heat exchangers and EPP self-supporting casing. Heat exchangers that are used depend on the model, such as counterflow aluminium heat exchanger (HRV) or counterflow enthalpy exchanger (ERV).

4BAR pressure gauge 6BAR pressure gauge

3BAR safety valve M 6BAR safety valve M

Brass safety group, DHW 6BAR Stainless safety group, DHW 6BAR Steel safety group, DHW 6BAR Brass safety group CH 3BAR Stainless safety group CH 3BAR Steel safety group CH 3BAR Automatic air vent, nickel-plated ½” M Plastic automatic air vent ½” M Brass automatic air vent ½” M 3BAR safety valve M 6BAR safety valve M 4BAR pressure gauge 6BAR pressure gauge

EPP manifold boxes are used for heat recovery ventilation (MVHR). Due to EPP's insulating properties, MVHR manifolds do not need to be insulated. Manifold boxes are intended to distribute 75mm ducting around the house. The number of connectors varies based on the specifications of the user: 4-18 spigots.

Heat recovery ventilation unit HRUPremAIR is a modern device with 350 / 450 or 500 m3/h air flow @ 100 Pa. Unit is made from cutting edge materials aluminim heat exchanger and EPP selfsupporting casing. Depending on the model, following heat exchangers are used counterflow aluminium heat exchanger (HRV) or counterflow enthalpy exchanger (ERV). Enthalpy exchangers in HRUPremAIRE series have a polymer membrane that effectively recovers heat and moisture from the extract air. Such membrane works like a membrane in waterproof trekking clothing i.e. it allows water vapour to pass through, but not liquid water and air. The enthalpy exchanger also blocks the transfer of odours, bacteria and spores. The exchanger material, is needless to say, primarily optimized for maximum heat recovery efficiency. PremAIR air handling units optionally can be equipped with the Constant Flow system, whose task is to maintain a constant air flow in the installation.

The HRUSlimAIR heat recovery unit is designed for residential buildings. The HRU has a capacity of 250 m3/h @ 100 Pa, generated by energyefficient EC fans. Thanks to a counterflow heat exchanger made of a plastic (PET), it achieves up to 90% heat recovery An ERV version with an enthalpy exchanger that recovers moisture is also available. Builtin electric preheater protects heat exchanger against freezing, wireless radio communication connects controllers and sensors, and all of it is enclosed inside a selfsupporting, insulating EPP casing. HRUSlimAIR can be installed in up to 3 positions, thanks to a special condensate drain system.

Base Group specializes in the manufacturing different types of steel constructions for energy. We are manufacturer of high quality steel structures for the energy sector in accordance withall standards and legal regulations. We produce in accordance with ISO 3834-2, PN EN 15085, PN EN 1090 and ISO 9001:2015. Our knowlage and experiance has made us a provider of the word-leading company on the global market of electric power production and transmission.

Base Group specializes in the manufacturing of products for heating, ventilation and air conditioning (HVAC). We have been providing services in the heating, ventilation and air-conditioning sector for many years. We are manufacturer of heating structures, ventilation structures and air conditioning industry structures upon the earlier consultation with customers concerning their requirements.