RAC

Experts in Ventilation

RAC Axial Roof Units

Features

The range covers sizes 315- 500 mm diameter with standard variable pitch axial flow impellers.

Construction

The RAC range of roof units are a compact designed roof unit for low profile applications. It is manufactured from a
galvanized base and casing incorporating a bird screen mesh with a GRP low profile weather cap.

Impellers

The fans incorporate AMS standard axial flow fan range.
Refer to page C-4.

Motors

The following standard specifications apply:

- Totally enclosed IP55 or ECM motors as required.
- 240V single phase or 400/3/50 three phase.
- Motors can be speed controlled.
- ECM motors have integrated control.
- Protection on motor class can be specified. Standard motors will typically have IP55 class protection.

Soaker sheets

Soaker sheets are available in most modern roof profiles complete with integral up stands.

Selection procedure

The units are selected of the standard AMS axial flow curves allowing a K factor of 1.2.

Dimensions

Model RAC	A	B	C	D	E	F
315	330	315	465	50	180	590
350	330	350	460	50	180	750
400	390	665	710	50	190	750
450	390	665	800	50	190	870
500	500	675	900	50	250	870

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TDE

The Multiflow TDE 500 to 710 range consist of fully cased, cylindrical models with circular mounting flanges at both ends and a wired terminal box.

The Mini Centrifugal Roof Fan series are the new type roof extract units available in 2 sizes and suitable for vertical and horizontal installation. The low noise external motor and high efficient backward bladed impeller meets the requirement of efficient ventilation in residential, commercial and light industrial applications.

Future 150

The Decor Series can be wall or ceiling mounted and is designed to exhaust stale and moist air from bathrooms, toilets, laundries etc. They are also suitable for ventilating all types of small or closed areas.

TD Silent

The Silent Series is a low profile mixed-flow in-line fan that produces low noise when in operation. It does this through a specifically designed perforated internal skin that directs sound waves produced inside the fan to a layer of sound absorbent material.

TD-Evo

NEW!! TD-EVO

The low-profile TD-EVO 250 and 315 in-line mixed-flow fans for circular ducts have a unique design where the support bracket allows the motor and impeller assembly to be fitted or removed without dismantling the adjacent ducting.