The range covers sizes 200 - 1000mm diameter
with Elta axial flow impellers.
Construction
The AMS range of roof units are precision manufactured from glass fibre
re-enforced polyester resin giving a strong yet lightweight construction.
The cowls have been aerodynamically designed to produce the minimum possible
resistance to airflow whilst offering full protection against the weather.
Motors
Totally enclosed IP55 tested to BS4999 and BS5000 and suitable for exposure
to weather. Standard voltages are 400 volt and 230 volt nominally. Single-phase
IP55 speed controllable motors are available. The rotorex motors are IP44
protected with a working temperature of -40°C to 40°C.
Special features
Refer to p D-2. High temperatures smoke spill fans are available. Special
voltages, speeds and classes are available on request. Special finishes
in hard gloss gel coats are available.
Soaker sheets
Soaker sheets are available in most modern roof profiles complete with intergral
upstands.
Selection procedure
The units are selected of the standard AMS axial flow curves allowing a
K factor of 1.0 for the RDE and a K factor of 1.25 on the RVE. |