COMAIR 20T - COMMERCIAL WHOLE-BUILDING INDOOR AIR TREATMENT SYSTEM
INSTALLATION AND OPERATION GUIDE
Part No.HVAC40
HVAC45 with remote (not shown)
Page 1: ...COMAIR 20T COMMERCIAL WHOLE BUILDING INDOOR AIR TREATMENT SYSTEM INSTALLATION AND OPERATION GUIDE Part No HVAC40 HVAC45 with remote not shown ...
Page 2: ...ccordance with all applicable codes and standards for the jurisdiction in which it is installed In addition all plumbing attached to or used with the ComAir 20T must be installed by a licensed professional plumber This section of the manual contains safety warnings and must be read understood and applied during installation operation and maintenance of the ComAir 20T system Failure to obey the war...
Page 3: ...s occurs An optional ozone sensor allows the ComAir 20T to regulate the ozone output levels produced within the ducting This adds an extra level of assurance against pathogens in the occupied space An optional remote display allows the ComAir 20T to be monitored and controlled in a more convenient location Typical ComAir 20T Installation Figure 1 Optional Remote Display Optional Ozone Controller C...
Page 4: ...m the lamp holder by turning it counterclockwise and remove b Remove the metal washer and the rubber bushing from the lamp holder and install the rubber bushing on the lamp base c Slide the lamp into the lamp opening Handle lamp by the end cap d Re install the metal washer and lamp lock nut e Carefully tighten the lamp lock nut f Connect the lamp connector to the end of the lamp g Make sure the ot...
Page 5: ...Ozone lights will turn off If the lights do not turn Off the airflow sensitivity might need to be adjusted to be less sensitive The unit can be set for low sensitivity more airflow is required to turn the system on M Medium sensitivity and H High sensitivity less airflow is required to turn the system On See figure 7 for location of airflow sensitivity jumper 8 Turn the On heating cooling system a...
Page 6: ...the ozone For example the controller provides a 0 5V signal with 0 volts equal to 0 ppm ozone and 5 volts equal to 0 5 ppm of ozone The ambient ozone controller connected to the unit provides a relay signal The relay is closed when the ozone level is below the set point set on the controller and open when the ozone level is above the setpoint set on the controller Switch 4 The ambient ozone contro...
Page 7: ...tput level lower than is possible by simply dimming the ozone lamp While in this mode the ozone lamp indicator LED will flash Adjusting the ComAir 20T With the Ambient Ozone Controller An optional ambient ozone controller is available that detects the ozone concentration in the duct of the heating cooling duct These instructions will describe how to connect and use the Pentair ambient ozone contro...
Page 8: ...cking motion loosen the bushing from its seat and carefully slide it straight out e Using a soft cloth dampened with rubbing alcohol wipe down the ozone lamp If there is a large buildup of dust particles you may wish to use a can of compressed air first to remove most of the dirt f Slide the ozone lamp back into the lamp opening Handle lamp by the end cap g Reinstall the metal washer and lamp lock...
Page 9: ... the lamp lock nut h Reconnect the lamp connector to the end of the lamp 4 Germicidal lamp a Remove the lamp connector b Remove screws and washers that hold the lamp to the main unit c Slide the lamp out d Make sure the rubber washers on the mounting studs are in place and not damaged If they are damaged replace before installing the new lamp e Slide the new lamp in f Install the plastic washers a...
Page 10: ...light will begin to blink Check the HVAC system to ensure it is supplying airflow Control board is shutting down the ozone lamp Lamp filaments are damaged replace the ozone lamp High ambient temperature Replace the ozone lamp Germicidal LED light is not turning on No airflow present Blue shutdown LED illuminated Yellow shutdown LED illuminated Red shutdown LED illuminated If there is a problem wit...
Page 11: ...w Low Sensitivity 350 ft minute airflow Serial Output 9600 bits per second baud rate 8 bits no parity Output Voltage 12V 0 5A max Voltage Input 0 5V 0 1mA Current Input 4 20mA Isolated circuitry Minimum Duct Size 18 45 72 cm Dimensions 15 5 H x 5 5 W x 20 D 38 cm x 14 cm x 50 8 cm Exposed Size outside of duct 15 0 H x 5 5 W x 3 5 D 38 cm x 14 cm x 8 9 cm Weight 5 lbs 2 26 kg APPENDIX B Parts List ...
Page 12: ... E San Luis Obispo CA 93401 United States P 805 549 9724 Toll Free 800 262 0203 sales cwtozone com cwtozone com All indicated Pentair trademarks and logos are property of Pentair Third party registered and unregistered trademarks and logos are the property of their respective owners 2021 Pentair All rights reserved ...
