RECTANGULAR CABINET FAN (LRE / D)
The Lti Rectangular Cabinet Fan units are the result of long experience in the development and manufacturing of ventilation systems. The partnership between highly motivated Lti employees and world-known component suppliers guarantees quality products on the highest technical level and precise reliability.
The Lti advantages:
modular system: Casings can be disassembled if required. Easy installation.
Minimum 25 mm perforated panels manufactured from pre-galvanized mild steel sheet with non-flammable mineral wool infill, for thermal and acoustic insulation for LRE/D model
All units are fitted with fans from the Lti range, with external rotor motors for the direct-driven units
The Lti quality:
Plug fans are installed in the Rectangular Cabinet Fans.The Lti – impeller with backward curved blades are driven by a speed controllable external rotor motor (IP 44 or IP 54) steel & aluminum impeller for all sizes except 190 to 250 with polyamide impeller.
These plug fans are mounted on a motor supporting frame:the motor and impeller assembly is balanced dynamically in two levels according to VDI 2060, quality 0 2,5.
Tolerances in accordance with technical conditions of supply of fans DIN 24166, class 3.
Panel insulation is provided by non flammable (Al) mineral fibre slab in accordance with DIN 4102.
Thermal insulation K = 0,89 W/m2k in acc. with DIN 52210.
Sound insulation RW = appr. 25 dB in acc. with DIN 52210.
The Lti accessories:
• Speed controllers
• flexible connections
• counter flanges
The Lti performance curves
Have been tested using a duct test chamber in accordance with DIN 24I53.The vallues refer to an aair density of 1,2 kg/m3 at 20° C.
The technical data show the A-rated sound pressure levels LPA Tolerances in accordance with technical conditions of supply of fans DIN 24166, class 3. noise level ca.0,5 x \pfa max.
The Lti selection criteria:
• Air volume
• Static pressure
• Sound requirements