Central ventilation unit with heat recoveryfor room units up to approx. 1000 m

2 KWLC 650 and 1200 KWLC 650
Extract air Outside air Slim units for universal installationfor ventilation withheat recovery. KWLC 650 for vertical or horizontal installation.Suitable as central or de-centralised solution for roomsup to 1000 m² in commercial or industrial applications. The units are according toEN 60 335-1 includingsupplement No. A 51.
Intake air Extract air Speed control
Condensation Dimensions in mm spigot ø 15 mm KWLC 1200
Extract air Outside air Special characteristic
Intake air Extract air Condensation Photo shows type for vertical installation Dimensions in mm Filters
spigot ø 15 mm Specification Casing Supplied as standard: Clean supply air by two filters. With KWLC 650 the supply air isfiltered by a pre filter G 3 and finefilter F 5 before entering the heat recovery section. The extract filter (G 3) cleans the air before the heat exchanger. By a contoller, to be installed remotely (supplied as standard). As medium speed step it canbe chosen one of five speedsaccording to required capacity. Made from galvanised steel.Double skinned with 50 mm thick heat and noise insulatingmineral wool. Side panels are easy removablewithout tools through openingthe clamps for free access to allelements. Perfect for cleaning,filter change and service. An automatic remote controller(AFS, Ref. No. 0053, accessory)for manual and automatic control with weekly timer. Pollen filter class F 7 (accessory)available for allergic persons. With models KWLC 650.. the filter condition is indicated incombination with differencepressure switch (DDS,Ref. No. 0445, accessory).Pressure sensors are integratedin model KWLC 1200 to indicate the condition of thefilter. Anti vibration feet supplied witha drop towards condensationspigot, for vertical units. KWLC 1200 SEH equipped withpollen filter class F 7 on extractand supply as standard. Cross flow heat exchanger Large cross section with high efficiency. Robust design, made from aluminium. Simple to remove and thus easy to clean. All filters can be easily removedfor cleaning and changing. Summer operation Easy duct installation. The unitcan be installed either way roundas the easy remove access panels are on both sides. Duct spigots on each end with an additional exhaust spigot on thetop of the unit. Thus theseoptions reduce the duct runs and bends to reduce losses and increase efficiency. To supply cool outside air in warmer periods the unit is equipped with a summer kit as standard. Simple exchange forheat exchanger. KLWC1200 equipped with a bypass-function:with the help of an adjusting motor the air is to be passed by the heat exchanger. Heater battery With very low temperatures theintake air can be warmed up additionally with a heater battery. Fans Two low noise and energy saving centrifugal fans provide extract and supply, maintenance free and easily removable for cleaning if necessary. Electric heater battery (..EH)tobe controlled by built-in, adjustable thermostat. PWW water heater battery (650 WW); For temperature control use WHST 300 thermostat(accessory), Ref. No. 8817.Frost protection must be ensured. Casing made from galvanisedsteel. Double skinned with 50 mm thick heat and noiseinsulating mineral wool. Frost protection A thermostat avoids ice build up on the heat exchanger unit. Electrical connection Large terminal box with easy access on the upper side of the casing. Condensation connection Condensation spigot ø 15 mm at the bottom of a front side. To be connected to a drainpipe on the site. 70