aldes Ventergy IAQ-FSVS Manuel - Page 5

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Page 2 | Variable Speed Control

Connection Diagrams

2-Wire Controls with On/Off Switch

Mechanical Specifications (inches/mm) for P/N: 99 022

Mechanical Specifications (inches/mm) for P/N: 99 250 and 99 251

For more information, contact your Aldes sales advisor, visit aldes-na.com, call 1.800.255.7749, or find us on

Application Notes

1. Radio Frequency Interference (RFI): All solid-state

speed controls generate annoying radio noise on the AM

band. Speed controls contain, as standard, a high-gain

RFI suppression filter which significantly reduces this

interference.

2. Low-End Set Point (Minimum Speed): All 120 Volt input

speed controls are factory set to 60 Volts AC output (±3

Volts), as standard. All controls are factory calibrated using

an average responding AC voltmeter. Custom voltage

settings are available.

3. Motor Suitability: Motors must be loaded to nearly

full capacity with the appropriate fan blade in order to

achieve proper speed control. Generally, motor suitability

is established by determining motor speed as a function of

applied voltage. A motor is deemed suitable if it changes

speed linearly over a wide range of voltage. It is required

that all motors contain a built-in thermal overload

protector when used with solid-state speed controls.

4. Temperature Test: The non-sinusoidal output voltage of

a solid-state speed control may increase motor heating.

Therefore, it is necessary that a temperature test be

performed to ensure that the motor is operating within

manufacturer's specifications.

5. Leads: All leads are approximately 6" (15 cm) long and

stripped 1/2" (1.25 cm).

SAFETY WARNING!

Unit should be installed by a qualified electrician in accordance

with the National Electrical Code and other local codes which

may apply. This control must be grounded when installed.

Failure to follow these instructions may result in electrical

shock or a fire hazard. To reduce the risk of fire or electric shock,

this control is to be used only with fans marked as suitable for

use with solid state speed controls. This control is suitable for

mounting in a metal or polymeric field enclosure. These controls

must not be used at ratings exceeding those clearly marked on

the device.

We are not responsible for any expense, inconvenience or subsequent

damage caused by items of our manufacture or sale.

ISO 9001

2000 QMS