ATS DWS-15, Installation & Operation Manual

7

OPERATING INSTRUCTIONS

Your ATS UV System is equipped with the ATS-280CB UV Lamp Detector and Timer circuit board 

which is designed to provide a continuous monitoring system of the UV lamp operational status. This 

solid state electronic circuit board provides the latest in   UV lamp monitoring technology. 

UV LAMP / CONTROL BOX START UP PROCEDURE - (4 Step Process)

1.  Make sure the UV lamp is inserted per instructions into the quartz sleeve and   UV chamber. Then 

plug the UV lamp into the lamp connector. 

2.  Plug the electrical control box into a 120volt wall plug outlet.

3.  Upon start up the UV lamp Detector and Timer circuit board will perform a self diagnostic test.  

When power is applied the UV lamp will go on and a circuit board output check is performed as follows:

•  Quick Beep

•  Green LED on, then off

•  Red LED on, then off

•  Solenoid / Relay connection on, then off

•  Pause with beeps

•  Green LED on = System Check OK, UV System is operational. 

4.  Set the 1 Year Lamp Timer – WITH NEW UV LAMP – 

Make sure the control box is plugged into the wall outlet and the UV lamp is on. Press and hold the reset 

push button. A tone that descends in frequency once per second will be heard. Hold the reset button 

down for approximately 5-8 seconds until you hear a continuous tone. At this point release the button. 

The 1 year lamp timer has just been reset. 

UV lamp Detector and Timer circuit board Lamp Operation and Alarm features:

•  UV System OK – Green LED will flash every 5 - 10 seconds. 

•  30 Days remaining on Lamp Life – Flashing Yellow LED with an intermittent audible tone.

•  End of Lamp Life- Flashing Red LED with an intermittent audible tone.

•  Lamp Out- Continuous Red LED with a continuous audible tone. 

•  If your UV System has a 120Vac Normally Closed Solenoid Valve or Remote Alarm connected to 

the UV Unit plug-in connection, this will activate at End of Lamp Life or Lamp Out alarm condi-

tions. 

To Silence the Audible Alarm with Snooze Button:

1.  30 Days remaining on Lamp Life Alarm - Push reset button – Silences the audible tone for two 

weeks while the Yellow Led continues to Flash. (You can Silence audible alarm 2 times Max.) You 

have up to 30 days to replace the lamp. 

Service Unit - Replace the UV Lamp within 30 Days.

2.  End of Lamp Life Alarm - Push reset button- Silences the audible tone for one week while the RED 

LED continues to flash. (You can Silence audible alarm 4 times Max.)

     Service Unit Immediately - Replace the UV Lamp. 

3.  Lamp Out Alarm- Push reset button- Silences the audible tone for one week while the continuous 

Red LED stays on. (You can Silence audible alarm 1 time only.)

Service Unit Immediately - Replace the UV Lamp.