KWL 890 W L

KWL 890 W L

Ventilation unit "L" with heat recovery, EC motors, Auto bypass and web server

Ref.-No. 40721

Features

Compact unit with heat recovery for centralised ventilation of residential buildings, commercial units and medical practices. Equipped with EC fans for low energy consumption and highly efficient aluminium heat exchanger, clean outdoor air supply via ISO Coarse 75% (G4) filter and second filter stage ISO ePM1 50% (F7). Exhaust air side equipped with an ISO Coarse 75% (G4) filter in front of the heat exchanger. Tool-free filter change possible. The unit is equipped with a modern Helios easyControls3 control system and can be operated either via an external control element or via the integrated LAN interface using a PC/laptop or mobile device. Operation is also possible while on the move via the cloud. The standard built-in humidity and CO2 sensor, as well as other optionally available external air quality sensors, enable automatic, demand-controlled ventilation, while the integrated Modbus/RTU interface or an optional KNX module are available for connection to the building management system.

Technical Data

General Information
Ref.-No.:40721
Type:KWL 890 W L
Flow rate free-blowing:972 m³/h
Voltage:230 V , 1 W , 50 ph
Rated current (FLC) uncontrolled:1.4 A
Nominal power:340 W
Max. air flow temperature:40 °C
IP protection category:34
Weight:178 kg
Installation position:floor
Heat exchanger:plate heat exchanger
ErP-SEV:A+
ErP-Vmax:893 m³/h
ErP-Vref:0.1736 m³/s
ErP-ηt::86.4 %
Wiring diagram no.:1433