INSTRUCTION REF: IN176
ISSUE No. 1
DATE 2.01.08
Page 40 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
INSTALLATION INSTRUCTIONS
1. Install the control in a well ventilated area where the ambient temperature
does not exceed 40°C.
2. Ensure the control is securely mounted.
3. Route cables through knock outs at the bottom of the unit and ensure
electrical connections are correct.
4. Switch on the mains supply. Switch on the speed controller.
5. Hardstart - The control applies full power to the load for a few seconds
before dropping back to minimum.
6. Rotate speed control knob fully clockwise and check that the fan
accelerates to full speed.
7. Minimum Speed - The minimum speed is preset and does not normally
need adjusting. If this is necessary firstly ensure the control knob is set to
minimum (fully anti-clockwise) then remove the front panel to access the
potentiometer (MIN). Adjust as required. Beware of setting too low a value
which would cause a stall condition on the fans.
8. Maximum Speed - The maximum speed is preset to full speed. If it is
necessary to adjust then first ensure the control knob is set to maximum,
and remove the front panel to access the potentiometer. Adjust as
required.
