Oxyfire-LT
Modular Oxygen Sensor
Installation / Operation Manual
© United Process Controls, Inc.
Страница 1: ...Oxyfire LT Modular Oxygen Sensor Installation Operation Manual United Process Controls Inc...
Страница 2: ...own risk Oxyfire sensors are for use in combustion trim control only Do not use with full range air fuel ratio control United Process Controls Inc makes no warranties expressed or implied beyond the...
Страница 3: ...NSTALLATION 100 F or lower 11 2 7 HOT INSTALLATION 11 2 8 ELECTRICAL CONNECTIONS 11 3 REFERENCE AIR 12 3 1 Clean Dry Air Supply 12 3 2 Suitable Reference Air Units 12 4 VERIFICATION 14 4 1 Method 1 14...
Страница 4: ...n from the measuring gas can damage the sensor The detector especially at the tip becomes very hot Be sure to handle it with gloves Oxyfire LT may be heavy Handle it with care Do not drop it Handle sa...
Страница 5: ...ion 120V AC power Sensor is used to monitor and control the excess oxygen concentration in combustion gases of boilers incinerators and other industrial furnaces A low temperature sensor sampling gase...
Страница 6: ...DARD SPECIFICATIONS Measurement Method Zirconium Oxide Net O2 Range PPM to 20 9 Accuracy 1 5 of observed process variable or 0 5 O2 whichever is greater Response Time Less than 1 second for 98 of fina...
Страница 7: ...e 2 conductor solid extension grade wire Warning The oxygen sensor is heated to 600 C 1112 F with 110VAC 200VA mains power The heater power is a potential source of ignition and should only be energiz...
Страница 8: ...ration Manual 8 P a g e Table 1 Standard Part Numbers Part FO1 X YYYY Z Sheath Style X Alumina Open End 5 Alumina Closed End 6 SS 316 Closed End 7 Insertion Length YYYY in mm 12 304 8 1200 18 457 2 18...
Страница 9: ...rce approximately 2 psi at 50 to 150cc minute Cooling Air If the temperature of the sensor terminal head will exceed 300 F 148 C air should be blown across it to reduce the temp The cooling air should...
Страница 10: ...L should be inserted into the refractory hole Hook the lengths of wire against the inside face of the refractory and mark the outside face of the furnace on the wire Check the dimension at several poi...
Страница 11: ...or Keep the sensor supported during the insertion process Carefully hand tighten the sensor once completely installed Use a wrench to tighten one quarter turn Over tightening the sensor can cause dama...
Страница 12: ...ater wires is approximately 25 ohms Resistance between the mV signal wires is a virtual open 3 REFERENCE AIR 3 1 Clean Dry Air Supply The sensor requires a supply of clean dry air at a flow rate of 50...
Страница 13: ...Controls Inc Oxyfire LT Installation Operation Manual 13 P a g e Suitable tubing for the application such as poly teflon copper aluminum or stainless steel should be run from the reference air supply...
Страница 14: ...contained inside the sensor s outer sheath and allow the cell to measure the oxygen content of the verification gas If the gas flow does not disperse the process gas completely there will be a slight...
Страница 15: ...enance personnel The Oxyfire LT is designed for modularity and quick replacement of critical components The sensor has three key components that can be purchased separately for replacement on site She...
Страница 16: ...clean out the sheath before installing a new electrolyte assembly The head mounting surface must be clean and free of debris do not install a new electrolyte assembly on a dirty surface because this m...
Страница 17: ...ifold base 2 Disconnect the six screw on terminals 3 Using a 3 16 Allen Wrench Unscrew the two stainless steel socket head cap screws enough to clear the electrolyte Assembly head thickness You DO NOT...
Страница 18: ...move the assembly from the body Clean out any debris before replacing the Electrolyte Assembly inspect heater assembly to insure proper connection If necessary you may have to use 0 005 shims under th...
Страница 19: ...o the terminal screws inside the terminal head of the sensor If the cable has not been removed then follow these steps i Isolate the sensor from the rest of the system by disconnecting the sensor cabl...
Страница 20: ...t OK and the readings are still incorrect call Marathon Monitors Inc for further assistance Warning Disconnect the heater power before removing the sensor head cover The mains voltage of this supply i...
Страница 21: ...the amount of Oxygen present in the combustion zone Walther Hermann Nernst the German physical chemist is credited with developing the Theory of Solutions This theory explains the voltages developed...
Страница 22: ...United Process Controls Inc Oxyfire LT Installation Operation Manual 22 P a g e 7 2 STANDARD OXYFIRE SENSOR WIRING CONNECTIONS...
Страница 23: ...United Process Controls Inc Oxyfire LT Installation Operation Manual 23 P a g e 7 3 OXYGEN TEMPERATURE MILLIVOLT CHART...
Страница 24: ...lation Operation Manual 24 P a g e 7 4 USEFUL FORMULAS a Fahrenheit to Celsius C 5 9 x F 32 Example F 100 C 0 56 x 68 38 b Celsius to Fahrenheit F C x 9 5 32 Example C 100 F 100 x 1 8 32 212 c Celsius...
Страница 25: ...United Process Controls Inc Oxyfire LT Installation Operation Manual 25 P a g e NOTES...
Страница 26: ...ing industry including Waukee Engineering Furnace Control Marathon Monitors and Process Electronic We provide prime control solutions through our worldwide sales and services network with easy to acce...
