id
W t
h
id
W t
h
HeightHeight
Height of
Housing
Height of
Housing
To select a motor in this guide you need to know the following:
1. Type of Slat: Height and Width
2. Total weight of shutter
3. Diameter of the tube
Type of slat:
Diameter of Tube:
surface
Total Weight of Shutter
It is important to consider the total size of the product you plan to
produce before choosing an operator, since these variables affect the
weight of what an operator can lift. The following charts represents
some of the most common motor solutions. Choose the one that most
closely corresponds to the weight that you calculate..
Total weight = Width x (Height + Height of Housing) x Weight per sq. ft.
Important Note:
The choice of a motor also depends on the type of installation.
- If you use one motor for two or more shutters add 20% for the first
additional shutter to derive the total weight. Add an additional 10% for
every shutter after that.
Examples: 2 shutters/one motor = + 20% to the total weight.
3 shutters/one motor = + 20% + 10% to the total weight.
- If the shutter is over 9 feet in height, add 10% to the total weight for
every three feet beyond.
Example: 11 feet in height= total weight + an additional 10% to the
effective load to be lifted.
The lifting capacity of an operator decreases when the tube diameter
increases. Therefore, it is necessary to choose the smallest tube while
considering the load capacity of the tube and the optimum roll-up
diameter of the slats. Keep in mind that if tube spacer rings are used, you
have increased the tube diameter.
After choosing the chart that corresponds to the tube size being used, select the operator according to the total weight of the
shutter.
Hz Motor Selection Guide
For Rolling Shutters and Doors
R
2
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