What Star series air curtains can be converted from “F” to “R” and why?
The STF-1-36, STF-1-42, STF-1-48 and STF-1-60 may be converted to rear door models with larger blower wheels. This might be necessary if your customer requests a high velocity of air provided by the larger blower wheels. • Can we have multi speed motors installed in the Star series air curtains and what horepower and the number of speeds available? The ‡ hp three speed motor from the Mark II models may be installed in the Star Models. • Are time delays available for Star series air curtains? No, Star Series air curtains are designed for insect control and the unit should activate as soon as the door is opened. • Where are the aluminum filters installed in a light weight unit (Star), how are they secured and how do you explain removal and cleaning of the filter to a customer? The 1″ aluminum re-cleanable filters are installed on the interior of the intake grille with filter clips. You must remove the PVC cover housing to remove and clean the filters. • How do you adjust the air directio