HR 250 Neti MVHR Unit

The HR 250 Neti is a high-performance heat recovery unit with summer bypass designed to improve indoor air quality while saving energy. It features a high-efficiency counter-flow heat exchanger, capable of recovering up to 93% of thermal energy. With low power consumption and a sound level as low as 40 dB(A), it ensures both comfort and efficiency. It features a hinged door for easy maintenance, featuring accessible filters for quick servicing. It comes with a wired electronic controller, offering precise control over the unit’s operation, making it a user-friendly solution for residential spaces.

PCDB Listed

Models

Description

Code

Centralised Mechanical Supply and Extract Unit with 100% Summer Bypass

11933

Features and Benefits

Key Features

Designed for ventilation: suitable for kitchen + 4 wet rooms.
Certified performance: listed in the Product Characteristics Database (PCDB).
100% filtered fresh air: ensures fully filtered air, even in bypass mode.
Automatic bypass: fully automatic operation with an optional manual timer.
Year round functionality: includes automatic frost protection and summer bypass.
Efficient filtration: includes 1x G4 and 1x M5 filter (upgradable to F7 on delivery side).
Easy maintenance: removable hinged door for quick access.
User-friendly control: wired electronic controller with LCD display for system status.
IPX2 rated.

Technical Features

Durable and fire-resistant casing: made from expanded polypropylene (DIN EN 13501), with a front panel in reinforced plastic resin for easy filter access.
Compatible ducting: intake and delivery spigots fit 125mm diameter pipes.
High-efficiency EC motors: brushless external rotor motors with ball bearings for long-lasting, low-maintenance operation.
Directly coupled centrifugal impellers: with backward-curved blades for optimal airflow efficiency.
Cross-flow heat exchanger: made from plastic resin (PS) for high efficiency.
Automatic anti-frost protection: prevents frost buildup in the heat exchanger.
Fully filtered bypass system: 100% mechanical and automatic bypass for mid-season comfort.
Ensures fresh, filtered air even when bypassing the heat exchanger.
Advanced filtration: pair of M5 filters or optional F7 filters for enhanced air quality.
Additional: class ePM1 70% filters available.
Condensate collection system: includes tray and drain devices.
Easy installation: comes with wall-mounting brackets as standard.
Smart sensor compatibility: can connect to external environmental sensors (optional) for automatic operation adjustments.
Dust and water resistance: IPX2 rated.
Electrical insulation: Class I (grounding required).

Performance Data