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K-O2 Oxygen Sensor 

 

Kele, Inc. • 3300 Brother Blvd. • Memphis, TN  38133 

Page: ii 

 

www.kele.com

 

T

ABLE OF

 

C

ONTENTS

 

Product Ordering Information ....................................................................................................................................... 1

 

1

 

Specifications ......................................................................................................................................................... 2

 

2

 

Mechanical Installation .......................................................................................................................................... 3

 

2.1 Enclosure Dimensions .......................................................................................................................................... 4

 

3

 

Electrical Installation ............................................................................................................................................. 4

 

3.1

 

Analog Output Connections ......................................................................................................................... 4

 

3.2

 

Relay Connections ........................................................................................................................................ 4

 

3.3

 

Power Connection ........................................................................................................................................ 5

 

4

 

Operational Description ........................................................................................................................................ 5

 

4.1

 

Special Modes .............................................................................................................................................. 6

 

4.2

 

Warning /Ventilation and Alarm Conditions ................................................................................................ 7

 

4.3

 

Setting Ventilation and Alarm Thresholds ................................................................................................... 7

 

4.4

 

Concentration Reporting .............................................................................................................................. 7

 

5

 

Sensor Calibration .................................................................................................................................................. 7

 

5.1

 

Calibration Gases ......................................................................................................................................... 9

 

5.2

 

Calibration gas connection ........................................................................................................................... 9

 

5.3

 

Zero Calibration Procedure ........................................................................................................................ 10

 

5.4

 

Span Calibration Procedure ....................................................................................................................... 11

 

6

 

Sensor Module Replacement............................................................................................................................... 12

 

6.1

 

Field Replacement of Sensor Modules ....................................................................................................... 12

 

7

 

Warranty .............................................................................................................................................................. 13

 

7.1

 

Duration ..................................................................................................................................................... 13

 

7.2

 

Limited warranty and remedies. ................................................................................................................ 13

 

8

 

Disclaimers ........................................................................................................................................................... 14

 

8.1

 

Inspection and Maintenance...................................................................................................................... 14

 

8.2

 

  Life Safety ................................................................................................................................................. 14

 

 

Содержание K-O2

Страница 1: ...mphis TN 38133 Revision 5 20 2022 www kele com 90 0007 00A K O2 xx Oxygen Sensor Transmitter and Two Stage Alarm Controller User s Manual K O2 H5 5 year sensor K O2 H10 10 year sensor K O2 S5 5 year s...

Страница 2: ...ional Description 5 4 1 Special Modes 6 4 2 Warning Ventilation and Alarm Conditions 7 4 3 Setting Ventilation and Alarm Thresholds 7 4 4 Concentration Reporting 7 5 Sensor Calibration 7 5 1 Calibrati...

Страница 3: ...sor life K O2 H5 Lockable hinged enclosure with 10 year sensor life K O2 H10 Table 1 K O2 family Part numbers All K O2 xx models are shipped with either 5 year life K O2 x5 or 10 year life K O2 x10 fa...

Страница 4: ...ply separate transformer not required Power Consumption 5W Control Relays 2 separate SPDT line voltage capable relays for warning ventilation and alarm outputs UL rated 10 Amps max at 120 277 VAC or 3...

Страница 5: ...water entry DO NOT USE THE VENT HOLES FOR WIRE ENTRY 1 This unit is designed to mount to a rigid vibration free surface near the middle of the area to be monitored about 5 feet above the floor 2 It s...

Страница 6: ...of the terminal and returns to the terminal The oxygen sensor output is provided at the terminal highlighted in Figure 3 Analog output connection has polarity as labeled on the controller silkscreen...

Страница 7: ...to the COM location of screw terminal 5 Plug the relay output screw terminal back into the correct location on controller board 3 3 POWER CONNECTION The K O2 has a fully isolated unpolarized power inp...

Страница 8: ...a second contact closure is operated typically to trigger an alarm The gas sensor is a calibrated module that can be replaced with minimal effort when it reaches end of life EOL while leaving the main...

Страница 9: ...ormation When the concentration of oxygen falls below its configured warning ventilation threshold the WARNING VENTILATION relay output is activated When the concentration falls below the alarm thresh...

Страница 10: ...adequate and requires no calibration gas All that s required is the certainty of fresh air around the sensor For accuracy at lower oxygen percentages a zero calibration before the span calibration is...

Страница 11: ...rictor fitted to the narrow end of the cal cap at a pressure of 10 psi 5 2 CALIBRATION GAS CONNECTION A schematic of the calibration gas tubing connection between the regulator and the calibration cap...

Страница 12: ...tion gas has been removed the calibration has been applied and the unit is in standby for two minutes while the sensor re equilibrates to the ambient atmosphere before normal operation resumes The cal...

Страница 13: ...turns to steady GREEN OR 3B If NOT successful blinking RED The most likely causes of span gas sampling failure are Insufficient gas flow or leaks around the calibration adapter not completely immersin...

Страница 14: ...n in To replace a sensor module with a new factory calibrated one follow the steps below 1 Open the controller s front cover 2 Unplug the controllers power connector refer to Figure 6 3 Unplug the sen...

Страница 15: ...patible with those Products Unless KELE agrees otherwise to obtain service under this warranty Buyer must pack any nonconforming Product carefully and ship it postpaid or freight prepaid to Kele Inc a...

Страница 16: ...tect common failures If a failure is detected the front cover status LED will blink slowly RED the warning relay will be activated and the concentration reporting analog output will stay at 4 mA until...

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