The roof units sp range of electronic fan speed controllers manufactured by vent axia.
Roof units speed controller.
Add on variable speed controls for roof top units.
From the sleek new and radically changed shape of the enclosures to the state of the art interiors these regulators represent the culmination of control technology.
Single phase electronic variable stepless speed control with min max preset facility with min max preset facilitycompact and easy to install sp type includes on off switch with neon indicator ip40 ratedthe controller is suitable for surface mounting onlythe controller complies with the following.
Ensure control knob is set to maximum speed and.
This range of fan speed controllers can be used with any fan motor which is single phase 240 volts and speed controllable using either 2 or 3 wire control earth.
Domestic fan control unit speed controllers temperature regulators electric triac temperature controllers sensors transformers differential pressure switch thermostats electric.
Gas units utilize integrated gas controller igc with led fault indication.
Sp5001 suitable for a maximum full load of 1 7 amp.
If adjustment is necessary ensure control knob is set to minimum speed and then open the front cover to access the adjustment potentiometer labelled vr2 min.
All models use highly efficient belt drive indoor fan systems with variable frequency drive vfd controller.
The minimum speed is preset and does not normally need adjusting.
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Single phase electronic voltage control to provide stepless speed control to single phase fans complete with neon indicator light.
Exhaustively tested under the most adverse conditions and incorporating the most advanced materials and construction methods they offer the ultimate solution to cost effective and reliable fan speed control.
The us department of energy doe with data from ahri informs us that 60 of commercial floor space in the us is heated and cooled by one speed roof top units rtus.
This means that every time anyone of these rtus comes on a mild spring day or the full heat of summer all that it knows is one speed full blast.
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The maximum speed is also adjustable.
3 to 5 ton units are also available with direct drive multi speed ecm indoor motors.
Roof centrifugal smoke extraction fans.
Maximum current rating 5 0 amps downloads catalogue pages.
Axial smoke extraction fans.
A speed controller without a mounting junction box a speed controller completed with a.
Exhaustively tested under the most adverse conditions and incorporating the most advanced materials and construction methods they offer the ultimate solution to cost effective and reliable fan speed control.
