Description

The Gamma Supply Ultra Series of mixed-flow roof units have been designed for use in free outlet and ducted installations. These compact and low profile units are ideal for supplying fresh air to an air handling unit or to an air conditioning system in commercial buildings.

They are available in 3 sizes extending from 450 to 560mm diameter

Typical Application
Supplying fresh air to an air handling unit or to an air conditioning system in commercial buildings. Also suitable where make-up air or positive pressure is required in the ventilated space.

Features

Robust, lightweight construction.
Choice of speeds available.
Ideal for ducted installations.
High performance mixed-flow impellers fitted.
Can be mounted at angles up to 30°.
Most 3-phase motors are 2-speed star/delta design as
standard.
Speed-controllable using electronic or auto-transformer controllers.

Single Phase Models

Product Code	Diameter[mm]	Speed[rps]	kW	Amps	Max Pressure [Pa]	Max Volume [m³/s]
GUE454S	450	23	1.1	5.2	418	1.70
GUE504S	500	22	1.65	7.4	505	2.05
GUE456S	450	15	0.37	1.75	187	1.15
GUE506S	500	15	0.54	2.5	233	1.40
GUE566S	560	15	0.84	4.2	266	1.70

Three Phase Models

Product Code	Diameter[mm]	Speed[rps]	kW	Amps	Max Pressure [Pa]	Max Volume [m³/s]
GUD454S	450	23	1	1.95	408	1.75
GUD504S	500	21	1.45	2.8	481	2.00
GUD564S	560	22	2.5	4.6	609	2.55
GUD456S	450	15	0.32	0.7	186	1.15
GUD506S	500	14	0.48	0.88	220	1.35
GUD566S	560	15	0.86	2.2	281	1.78
GUD458S	450	9	0.19	0.39	60	0.68
GUD508S	500	11	0.31	0.5	120	1.05
GUD568S	560	13	0.62	1.1	204	1.55