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AAON Orion ASM01824, Техническое руководство

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Technical Guide

 

                                       

  CO

2 

SENSOR

11

Notes

Содержание Orion ASM01824

Страница 1: ...I2 C CO2 Sensor Technical Guide ...

Страница 2: ...18 382 6450 Controls Support Phone 866 918 1100 AAON P N G042470 Rev 01F Copyright August 2019 AAON Inc AAON is a registered trademark ofAAON Inc Tulsa OK AAON assumes no responsibility for errors or omissions This document is subject to change without notice PART NUMBER TABLE PART DESCRIPTION AAON P N Wall Mounted I2 C CO2 Space Sensor ASM01824 Duct Mounted I2 C CO2 Sensor RA or SA ASM01826 I2 C ...

Страница 3: ... box to sample the CO2 level in the duct Some typical applications are Controlling ventilation in a building where the occupancy varies frequently Controlling ventilation to ensure excess outdoor air is not causing energy waste Ensuring good air distribution throughout building zones Demand Control Ventilation Sensor Overview Features The CO2 Sensor provides the following Uses the patented dual be...

Страница 4: ... with the CO2 Sensor is a mounting plate that can be used if necessary to cover the sensor sheet rock opening This mounting plate screws onto the back of the housing base The mounting plate is then mounted and covers the recessed space in the wall A locking screw secures the sensor to the wall See Figure 8 page 10 for mounting plate dimensions Wiring to the HVAC Unit Controller The Wall Mounted Sp...

Страница 5: ...sensing the current CO2 level in the HVAC unit s return air stream The return air sensing use of this sensor is applied when you want an average CO2 reading in the area served by the HVAC unit or when you don t want a wall mounted CO2 Sensor due to sensor tampering concerns in the space The OE256 02 Duct Mounted CO2 Sensor is designed to be mounted in the return air duct of the HVAC unit and uses ...

Страница 6: ...ale cable connector s and cable s through the cable clamp opening and into the Aspiration Box using the appropriate length of pre fabricated TSDRSC cable s as required by your applica tion STEP 3 Remove the CO2 Sensor cover with circuit board by using the included Allen wrench to loosen the set screw located at the bottom edge of the CO2 Sensor assembly and pulling the Sensor cover with circuit bo...

Страница 7: ...Technical Guide CO2 SENSOR 7 Figure 5 Mounting and Cable Installation for Duct Mounted CO2 Sensor Duct Mounted CO2 Sensor Installation ...

Страница 8: ...ll be saved after loss of power Using LEDs to Troubleshoot LEDs are available for troubleshooting the CO2 Sensor The Front LED is visible through the front cover of the CO2 Sensor See Figure 7 for location The other LEDs are located on the Sensor s board and are only visible by removing the back cover See Figure 6 for locations LED ON OFF Push Button This button is located on the CO2 Sensor s boar...

Страница 9: ... and the sensor and controller are powered up Directions Set the meter for DC volts and connect the GND probe to the GND terminal and the probe to the CO2 0 5 terminal Look at the output voltage and record it Multiply the voltage times 400 The value should match the CO2 as read on the System Manager TS Modular System Manager Modular Service Tool or Prism If the signal doesn t match the sensor read...

Страница 10: ...he sensor sheet rock opening This mounting plate screws onto the back of the housing base The mounting plate is then mounted and covers the recessed space in the wall A locking screw secures the sensor to the wall See Figure 8 below for dimensions 1 638 1 810 0 882 1 407 1 842 0 733 2 110 2 920 0 810 R0 220 3 275 0 060 0 160 5 037 3 278 3 766 4 153 Figure 8 Mounting Plate Dimensions ...

Страница 11: ...Technical Guide CO2 SENSOR 11 Notes ...

Страница 12: ...ts Reserved AAON Factory Technical Support 918 382 6450 techsupport aaon com AAON Controls Support 866 918 1100 Monday through Friday 7 00 AM to 5 00 PM central standard time NOTE Before calling Technical Support please have the model and serial number of the unit available PARTS For replacement parts please contact your local AAON Representative ...

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