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.
Roof units speed controller.
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.
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Maximum current rating 5 0 amps downloads catalogue pages.
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.
Electric heat units utilize single point wiring connection.
Domestic fan control unit speed controllers temperature regulators electric triac temperature controllers sensors transformers differential pressure switch thermostats electric.
3 to 5 ton units are also available with direct drive multi speed ecm indoor motors.
Add on variable speed controls for roof top units.
Axial smoke extraction fans.
Gas units utilize integrated gas controller igc with led fault indication.
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The roof units sp range of electronic fan speed controllers manufactured by vent axia.
Sp5001 suitable for a maximum full load of 1 7 amp.
Ensure control knob is set to maximum speed and.
Roof centrifugal smoke extraction fans.
The minimum speed is preset and does not normally need adjusting.
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.
All models use highly efficient belt drive indoor fan systems with variable frequency drive vfd controller.
Includes on off reset switch as standard.
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 voltage control to provide stepless speed control to single phase fans complete with neon indicator light.
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.
A speed controller without a mounting junction box a speed controller completed with a.
The maximum speed is also adjustable.