INSTRUCTION REF: IN176
ISSUE No. 1
DATE 2.01.08
Page 33 of 59
TELEPHONE:
SERVICE (44) 01332 875665
FAX:
SERVICE (44) 01332 875536
Parry Group Limited,
Town End Road, Draycott, Derby, England DE72 3PT
www.parry.co.uk
SC1 FAN SPEED CONTROLLER INSTRUCTIONS
For fans 0.1
– 1.5amps only
GENERAL
The units utilise triac phase cutting techniques and should be used with motors
which have been approved by the manufacturers for speed control by this
method. Control is best achieved with propeller, axial or centrifugal fan loads
where absorbed power at full load corresponds
to at least 90% of the motor’s
capacity.
SPECIFICATION
The SC1 is housed in a plastic enclosure rated to 1P40 and designed for
continuous operation with 0.1 to 1.5 amp loads at 40°C ambient on single phase
220/240v 50/60Hz supply.
DIMENSIONS
88mm wide x 88mm high x 70mm deep
WARNING
1. Mains voltage is present. Care must be exercised when adjusting the internal
potentiometer (M1N). It is the responsibility of the user to ensure compliance with
the Health & Safety at Work Act, 1974.
2. Ensure that the motor is suitable for speed control with a triac device.
