Price Industries Single Duct Terminal Units SDVQ 7

Loosen damper selection switch screw and align desired action with the damper position.

Retighten damper selection switch screw.

Reposition actuator to provide appropriate fail safe position.

Remove the gauge tap cap at 'G' and attach a 0 - 30 psi pressure gauge.

Adjust the thermostat pressure at 'T' port to the desired start point value.

Adjust reset start knob until the gauge pressure begins to increase slightly (greater than zero but less than 0.3).

Detach SP300 high and low signal tubing between sensor and controls at the tee connections

Undo latches holding sensor in unit and remove sensor

Clean sensor by blowing compressed air through both HIGH and LOW signal tubing

Wipe off any foreign particles with a clean rag

Reinstall sensor into unit ensuring that it is in the correct orientation and fasten latches to securely hold sensor in unit

Verify sensor is securely fastened

Check for any air leaks in the tubing connections