User manual - Bacharach, Inc.
Contents
1. Ev N H REV NU K de HU N KAN 5 sce T P M 5 Fluid Handiine Precautions eimen na t n n 6 Product OVelVIeW auta dotis etn 6 SBecifi 8 22 Before YOU TO S dele d nen Ne ue ha ka daka kak kew kak kaka kan AA 10 Inspect the FYRITE Aspirator Bulb and Sampling Assembly 10 CHECK Fluid Streng j N ND gm 11 222 COFRES 12 2522 OS PXRITEP Fete Dies eere a e t eco beh 13 Sampling Assembly aA KIR PNE D POR EE 13 Moisten the Filter as Appropriate 8 4 14 3 Basic Operation and 0 2 16 ENTRE 16 Determining and FYRITE Fluid Strength 20 Operating Precautions to Ensure Maximum Accuracy 20 FYRITE Temperature and Gas Sample 21 4 Principle of Operation e ET 22 5 Application Informatio saya s s say k y ke ERR Ee E ERES kk kU 24 EXRITE CADS2. The Measurable Difference FYRITE Gas Analyzer CO and Indicators Operation and Maintenance Manual Registered Trademark S N 73485726 Reg 1335241 Printed in U S A P N 0011 9026 Revision 13 October 2015 Product Leadership e Training e Service e Reliability FYRITE Gas Analyzer Warranty Bacharach Inc warrants to Buyer that at the time of delivery this Product will be free from defects in material and manufacture and will conform substantially to Bacharach Inc s applicable specifications Bacharach s liability and Buyer s remedy under this warranty are limited to the repair or replacement at Bacharach s option of this Product or parts thereof returned to Seller at the factory of manufacture and shown to Bacharach Inc s reasonable satisfaction to have been defective provided that written notice of the defect shall have been given by Buyer to Bacharach Inc within one 1 year after the date of delivery of this Product by Bacharach Inc Bacharach Inc warrants to Buyer that it will convey good title to this Product Bacharach s liability and Buyer s remedy under this warranty of title are limited to the removal of any title defects or at the election of Bacharach to the replacement of this Product or parts thereof that are defective in title The warranty set forth in paragraph 1 does not apply to parts the operating instructions designate as having a limited shelf life or as bein
3. Tighten the scale locknut Figure 19 Close up of Scale and Scale Screw NOTE When setting scale zero hold FYRITE vertically as shown Figure 20 and level with eyes while sighting across the scale to the top of the fluid column If it can t be zeroed see section 6 1 adding removing small amount of fluid on page 32 pump gas sample into FYRITE insert open end of metal sampling tube into target area Hold FYRITE in an upright position and place the rubber connector tip of the sampling assembly over the plunger valve Figure 21 Depress the plunger valve firmly with the connector tip Pump the sample by squeezing and releasing the aspirator bulb 18 times During 18th bulb squeeze with bulb held deflated release the connector tip and the plunger valve NOTE When setting scale zero hold FYRITE vertically as shown Figure 20 and level with eyes while sighting across the scale to the top of the fluid column If it can t be zeroed see section 6 1 adding removing small amount of fluid on page 32 To pump gas sample into FYRITE insert open end of metal sampling tube into target area Hold FYRITE in an upright position and place the rubber connector tip of the sampling assembly over the plunger valve Figure 21 Depress the plunger valve firmly with the connector tip Pump the sample by squeezing and releasing the aspirator bulb 18 times During 18th bulb squ
4. 20 range 0010 5057 60 range 7 6 range 0010 5103 21 range 0010 5060 60 range 6 7 Replacing the Saturator Filter Package To replace the saturator filter package follow the instructions in section 2 4 on page 14 using the new saturator filter 38 0011 9026 Rev 13 FYRITE Gas Analyzer Section 7 Illustrated Parts List 7 1 FYRITE Parts 0011 0102 0011 0019 74 0011 0062 0011 0026 0005 5169 r4 0005 5155 gt 0011 0136 0011 0188 0011 0109 f 2 x 0011 0143 7 20 and 21 Models Only 0002 3690 0011 0144 Scale 20 0011 0020 0011 0145 O Scale 21 0011 0132 0011 0147 CO Scale 60 0011 0150 O Scale 60 0011 0155 CO Scale 7 6 0011 0157 O Scale 7 6 J p 0011 0132 0011 0140 0011 0132 0011 0102 0011 0102 0011 0021 0011 0126 0011 0102 0011 0188 Figure 45 Exploded View of FYRITE Parts 0011 9026 Rev 13 39 FYRITE Gas Analyzer Table 7 FYRITE Parts List Part Description 0002 3690 Scale Screw Nut 0005 5134 0005 5155 0005 5169 0010 5057 0010 5060 0010 5100 0010 5103 0011 0019 0011 0020 0011 0021 0011 0026 0011 0062 0011 0102 0011 0105 Scale Screw 0011 0144 Scale 20 0011 0145 O Scale 21 0011 0147 Scale 60 0011 0150 Scale 60 0011 0154 FYRITE Body 7 6 Models only 0011 0155 Scale 7 6 0011
5. Accuracy Resolution 0011 9026 Rev 13 9 FYRITE Gas Analyzer Section 2 Before You Test To ensure proper FYRITE operation and reliable results check the items in the following sections 2 1 Inspect the FYRITE Aspirator Bulb and Sampling Assembly Defective check valves or a leaking sampling assembly can result in sample loss or sample dilution with resultant loss of accuracy To inspect sampling assembly seal hole in the center of rubber connector tip firmly with finger and squeeze aspirator bulb Figure 8 Bulb should remain firm If bulb collapses check bulb and hose to connector tip for cracks or other source of leakage Replace defective parts If there are no apparent leaks in the sampling assembly replace inlet check valve The small hole end of the inlet check valve fits in the hose and the large hole end fits in the aspirator bulb Figure 9 Now seal end of metal sampling tube with finger and collapse aspirator bulb See Figure 10 If the bulb returns to original shape in less than 15 seconds inspect hose filter saturator tube and metal sampling tube for leaks If none are found replace the Outlet check valve The small hole end of the outlet check valve fits in the aspirator bulb and the large hole end fits in the hose Figure 9 Discard filter packing when it becomes dirty or clogged Push old packing out and new packing into the filter saturator tube with a pencil or small
6. FYRITE Gas Analyzer FYRITE Model O Blue Fluid Operation Invert FYRITE see Figure 16 Hold at slight angle to drain fluid into top reservoir Turn upright Hold FYRITE at 45 angle to drain fluid into bottom reservoir Turn upright Repeat sequence of Steps 1 2 and 3 twice until fluid level does not drop more that 1 2 when the plunger valve is depressed Turn upright Hold FYRITE at 45 angle Figure 17 momentarily until excess fluid droplets have been drained from inside surfaces Figure 17 Angle FYRITE to Allow Droplet Drainage into Bottom Reservoir Hold FYRITE in upright Figure 18 position and away from face Depress the plunger valve momentarily and release Hold FYRITE in upright Figure 18 position and away from face Note fluid level in column Depress the plunger valve momentarily and release Figure 18 Depressing Plunger Valve 0011 9026 Rev 13 17 FYRITE Gas Analyzer 18 FYRITE Model CO Red Fluid Operation While holding the FYRITE upright loosen the locknut at the rear of scale Slide scale Figure 19 until top of fluid column lines up with zero line on scale Figure 20 Tighten the scale locknut FYRITE Model O Blue Fluid Operation While holding the FYRITE upright loosen the locknut at the rear of the scale Slide scale Figure 19 until top of fluid column lines up with zero line on scale Figure 20
7. The appearance of a dark red fluid floating on top of CO FYRITE solu tion is entirely normal The darker fluid consists of a small amount of material added to prevent excessive foaming at the meniscus and improves readability FYRITE refill bottles should be stored at room temperature 70 F 21 C in the carton provided and placed in use within one year NOTE Before opening refill bottle read the label and make certain to observe all precautions FYRITE CO refill fluid may develop a white insoluble precipitate upon aging The precipitate does not affect fluid performance in any way but if present should be filtered out to prevent adherence to internal surfaces of the FYRITE To filter place a clean piece of thin cloth or netting loosely over the open CO FYRITE and slowly pour refill contents into top reservoir Before disposing of cloth rinse thoroughly with water FYRITE fluid is corrosive 24 0011 9026 Rev 13 FYRITE Gas Analyzer Invert FYRITE with Bottle in Place to Upright Ba Position i t U cf 6 L Figure 30 Flushing FYRITE with a Stream of Free Inert Gas Figure 31 Alternate Filling Method FYRITE refill fluid reacts very rapidly with oxygen air Oxidation of absorbent be prevented by purging the FYRITE body with Nitrogen natural gas or other oxygen free gas just before filling and by maintaining a stream of this gas around mouth of the bottle se
8. The aspirator bulb used in the FYRITE is a constant volume pump not a constant mass pump Altitude therefore affects the FYRITE reading due to the air s density changing with altitude thus requiring higher CO or O concentrations to reach the same mark on the scale Use Table 5 to find the altitude correction e g add the correction to the reading to get the correct concentration Table 5 Altitude Correction Table Altitude Correction Feet Meters 20 CO 21 7 or CO 1 000 305 30 amp Tos os 05 uoo 3a Toz 905 _ ume 35 oa 0 TT moe 3 08 90 uw s s 9 Toz 0011 9026 Rev 13 31 FYRITE Gas Analyzer Section 6 FYRITE Maintenance possible to adjust scale zero to the top of the fluid column Refer to FYRITE Operation Section 3 steps 1 through 4 for CO or steps 1 through 5 for O for proper setup If this is not possible add or remove a small amount of fluid as described below 0 NOTE With FYRITE vented a vertical position it should be 6 1 Increasing and Decreasing FYRITE Fluid to Proper Level To increase fluid level hold FYRITE upright and cover hole in center of Plunger Valve with finger Add clean water a few drops at a time dripping water faucet is convenient into space around plunger valve Work plunger valve up and down several times Repeat process until fluid is at proper level Refer to Fig
9. barometric draft regulator or draft diverter Best practice is to locate sampling hole at least six inches upstream from such flue openings The metal FYRITE Sampling Tube should extend at least 2 5 inches into the flue gases Refer to Figure 35 For larger installations consult manufacturer of combustion equip ment for special instructions regarding sampling point special sampling tube required or advice on averaging readings 28 0011 9026 Rev 13 FYRITE Gas Analyzer Residential gas furnaces with built in draft diverter gas designed will require the FYRITE metal Sampling Tube to be inserted as illustrated in Figure 35 to avoid dilution of flue gas sample Sampling tube is inserted through the draft diverter Flue gas temperature test can be made at the same point U on Le RE Ye Figure 35 Checking Level of a Natural Gas Furnace 5 4 Background Gases Affecting FYRITE Readings As a rule of thumb background gases vapors may be present in con centrations up to 0 5 by volume 5000 ppm before they present a significant interference problem to the CO or O FYRITE 20 2196 ranges An exception exists with the action of ammonia on oxygen FYRITE Fluid Ammonia neutralizes the acidic solution of chromous chloride and therefore use of the FYRITE with even trace amounts of ammonia in the backgrounds is not advised unless suitable filters are used Inert gases even in concentrations appr
10. cracked or show visible markings crazings or deformities from fluid exposure Replace rubber parts when they become badly swollen warped or show other evidence of deterioration 0011 9026 Rev 13 35 FYRITE Gas Analyzer In replacing top gasket make certain it is properly centered in the recess provided in top flange of FYRITE Body See Figure 42 When installing plastic top cap assembly be sure that assembly is centered on top gasket Top Gasket Used in 7 6 20 and 21 Models Only Figure 42 Top Gasket Properly Centered in Top Flange of Body To remove top cap assembly or replace top cap plunger valve or plunger tip gasket use the procedure as outlined in Section 6 2 When replacing plunger tip gasket simply depress plunger valve against its spring limit and strip old gasket from the end of plunger valve Before assembling new gasket wet inside surface of tip gasket then force it over the end of plunger valve after depressing plunger valve against the spring limit Make certain that new tip gasket is seated uniformly against the mating surface in plastic top cap To replace diaphragm stand FYRITE upside down then remove 4 screws and metal bottom cap Refer to Figure 43 Remove old diaphragm and center new replacement with the lettering facing you so that after the FYRITE bottom cap is installed the letters will face up into its recess Center bottom cap assembly in body recess and reinstall 4 scr
11. may be exposed to ambient temperatures from 30 to 150 F 34 to 66 C 0011 9026 Rev 13 21 FYRITE Gas Analyzer Section 4 Principle of Operation When the plunger valve is depressed a gas sample is pumped through the top reservoir with center bore sealed off When plunger valve is released the gas sample is locked into FYRITE and the top reservoir is opened to the center bore so that the gas sample can pass through the absorbing fluid Absorption of the gas sample by the fluid creates suction which causes the diaphragm to flex up and fluid to rise in the center bore to replace the gas that was absorbed Figure 29 Cut away View C 22 0011 9026 Rev 13 FYRITE Gas Analyzer To make a test with the FYRITE the metal sampling tube at one end of sampling assembly hose is inserted into the gas to be analyzed The rubber connector plug at the other end of the rubber hose is then firmly pressed down on the spring loaded valve of the instrument see Figure 27 This simultaneously opens a passage into the top reservoir and seals off the center bore Next a sample of the gas is pumped into the top reservoir by squeezing the rubber aspirator bulb At least 18 bulb squeezes are required to assure that the rubber sampling hose and the top reservoir of the FYRITE are thoroughly purged of the previously analyzed sample During the 18th aspirator bulb squeeze and immediately before releasing bulb th
12. 0157 O Scale 7 6 0011 0188 Oval Head Screw 40 0011 9026 Rev 13 Bezel Gasket O Ring O Ring Filler Inner 60 O Ring Filler Outer 60 Carton of FYRITE CO Fluid 3 Bottles 20 60 range Models Carton of FYRITE O Fluid 3 Bottles 21 60 range Models Carton of FYRITE CO Fluid 3 Bottles 7 range Models Carton of FYRITE Fluid 3 Bottles 7 range Models Valve Plunger Valve Plunger Gasket Diaphragm Valve Plunger Spring Filler 60 FYRITE Adapter Plug Bezel FYRITE Gas Analyzer 7 2 FYRITE Sampling Assembly Parts Part number 0011 7029 is for use in the following applications e Gases saturated with water vapor combustion applications e Dry gases when filter material is wetted 0011 0122 0011 0119 esses 0011 0106 0011 0118 0011 0180 0011 0130 0011 0152 0011 0118 0011 0138 0011 0120 0011 0138 gt gt Figure 46 Standard Sampling Assembly Parts P N 0011 7029 Table 8 FYRITE Sampling Assembly Parts List Qty Current Former Description Part Part 0011 0106 0010 0027 Sampling Tube 1 0011 0118 0010 0020 Rubber Tubing 6 Length 0011 0179 0010 0042 Rubber Tubing 15 length 0011 0180 0010 0025 Filter Nipple with Bushing 0011 9026 Rev 13 41 FYRITE Gas Analyzer 7 3 Service and Support Service and technical support can be obtained by contacting one of the following Bacharach Service Centers Se
13. 026 Rev 13 19 FYRITE Gas Analyzer NOTE A delay in reading of 5 or 10 seconds may decrease accuracy of reading slightly but longer delays may cause substantial error This completes CO O FYRITE gas sample analysis 3 2 Determining CO and O FYRITE Fluid Strength FYRITE fluid strength can be conveniently checked immediately after the first sample reading Without venting repeat the absorbing operations Steps 7 through 9 by inverting FYRITE again and positioning upright until all fluid drains to the bottom reservoir Observe scale reading An increase of more than 0 5 CO or in the second reading as compared to the first indicates a need for fluid replacement 3 3 Operating Precautions to Ensure Maximum Accuracy Locate top of fluid column refer to Figure 26 The surface at the top of the fluid column meniscus in the small center bore will be dish shaped as shown in Figure 26 Either the high or low point of this dish shaped surface may be used to locate top of fluid column providing the same point is always used both for setting scale zero and reading percent or O Obviously using high point for one operation and low point for the other will cause an error Top of Fluid Column Figure 26 Locating the Top of the Fluid Column 20 0011 9026 Rev 13 FYRITE Gas Analyzer Best practice is to use high point of this fluid surface just at the small center bore wall In setting scale ze
14. OFBIDE FUU k a yay TERT E MEE Rr eru 24 FYRITE Only Combustion 000000 bak ked h k 25 5 2 1 Percent CO Shows Volume of Excess Air 25 5 2 2 Too Much Excess Air Means Inefficient Combustion 26 523 Proper gt is e dr eb Cetus rover eka tetra 26 5 2 4 How to Calculate Combustion Efficiency 27 Q EYRITE Only Combustion T stihiB EE 28 5 3 1 Percent O Shows Volume of Excess Combustion Air 28 5 3 2 Too Much Excess Air Means Inefficient Combustion 28 53 3 Proper 28 5 3 4 Measuring Addition to 4 keka 28 5 3 5 Where is Percent CO or O 28 Background Gases Affecting FYRITE9 29 General EYRITE Applications oir eor keke eke kk eee ke kek 30 Altit de Correction Ta De 31 6 FYRITE Maintenance erret etes tnn entree eset sese 32 Increasing and Decreasing FYRITE Fluid to Proper Level 32 Replacing FY
15. RIPE FUNC ertet eo s ende eh Eb eee vo oriri 33 Inspection of FYRITE for Fluid Leakage kk 34 35 35 Storins LY RITE arid Refill Fluid o esci AI a Ak DAN K z 37 0011 9026 Rev 13 3 FYRITE Gas Analyzer 6 7 Replacing the Saturator Filter 38 Section 7 Ilustrated Parts List oio oreste aie sea bead ey a Paga WERA Ke ge e Yep an EE Ae KE HI RENE rss 39 SP IN hacia 39 Z2 PYRITE Sampling Assembly Parts cett o a EW WADA 41 SEWN ICE did citu entem tine tesi uuo a ola ap tef MO ee 42 0011 9026 Rev 13 FYRITE Gas Analyzer Section 1 Introduction 1 1 Safety The operator s of this instrument should thoroughly familiarize themselves with the applicable safety precautions before handling or using the FYRITE for gas analysis Review the illustrations on this page Make certain to follow the steps outlined below and read the fluid handling precautions for your personal safety 1 2 3 4 Always use protective equipment such as safety goggles gloves and protective clothing as illustrated in Figure 1 Re
16. ad the instruction manual thoroughly When filling the FYRITE with the applicable fluid charge use safety equipment and perform the operation in the vicinity of running tap water Figure 2 The FYRITE fluid should always be in the bottom reservoir before and during sample introduction to the FYRITE When venting the FYRITE hold the instrument in the vertical position and at a location away from your face Figure 3 NEVER vent FYRITE in the inverted position with the plunger facing downward This will cause fluid to spill which is corrosive and contains harmful elements Figure 4 NOTE In the event of fluid spill refer to Section 1 2 Fluid Handling Precautions on page 6 For maintenance information refer to Section 6 Figure 1 Protective Equipment Required Figure 2 Filling FYRITE Using Before Attempting Gas Analysis Protective Gloves Figure 3 Venting FYRITE to Figure 4 Never Vent FYRITE in the Atmosphere at 45 Angle Inverted Position Causing Fluid Spillage 0011 9026 Rev 13 5 FYRITE Gas Analyzer 1 2 Fluid Handling Precautions CAUTION FYRITE fluids used in the CO and O analyzers are corrosive and contain poisonous elements which must not be taken internally In the event of a spill or accidental body contact with FYRITE fluid read the following carefully fluids may cause blindness if splashed in eyes Fluid vapors are irritating CORROSIVE LIQUID HAZARD Corrosive liquids ca
17. ains 20 9 O when using FYRITE in a non combustible application where the gas 0 NOTE Make certain wool filter saturator tube is moistened with water sample is not fully saturated with water vapor The formation of frothy persistent foam on FYRITE fluid also indicates the need for fluid replacement A few beads or small air bubbles that are floating near the small center bore wall not considered foaming Color of FYRITE blue fluid is not an index of ability to absorb oxygen although towards the end of fluid life a greenish cast can be detected don t forget to saturate filter saturator wool packing as such gas standards 0 NOTE If compressed gas standards are used to check FYRITE accuracy are usually supplied bone dry 2 3 Sampling Assembly Always check the sampling assembly for proper leak free operation as outlined in Section 2 1 before proceeding with test 0011 9026 Rev 13 13 FYRITE Gas Analyzer 2 4 Moisten the Filter as Appropriate Make certain that the wool in the Filter Saturator Tube is moistened with water if using either the FYRITE in a non combustible application where the gas sample is not fully saturated with water vapor Examples where filter saturator must be wetted include measuring in ambient air or from compressed gas samples the plunger valve to vent the FYRITE when the unit is not in the upright position When depress
18. e Figure 30 while its contents are emptied into the FYRITE Another method for refilling the O FYRITE and still limiting the oxidation of the absorbent is to invert the unit and place it over the 60 cc bottle of fluid Then invert both so that the FYRITE is now upright and the fluid is filling the instrument see Figure 31 Immediately install plastic top cap ring without delay This method helps to minimize oxidation and improve the life of the fluid 5 2 CO FYRITE Only Combustion Testing 5 2 1 Percent CO Shows Volume of Excess Air For any given fuel theoretical maximum percent CO ultimate CO would be produced when exactly enough air but no excess air whatsoever is supplied to burn all of the fuel As increasing amounts of excess air are supplied the percentage of CO naturally decreases from theoretical ultimate CO due to the diluting effect of excess air Thus measuring percent CO is also a method of indicating excess air to ensure that enough is supplied to permit clean combustion without adding so much that combustion efficiency is unnecessarily decreased See Figure 32 0011 9026 Rev 13 25 FYRITE Gas Analyzer 20 18 16 Oxygen and in Flue Gas by Volume 0 10 20 30 40 50 60 70 80 Excess Air Figure 32 Graph of O CO and Excess Air in Flue Gases for Natural Gas and Fuel Oil 5 2 2 Too Much Excess Air Means Inefficient Combustion Excess combustion air is heated and car
19. e finger is lifted from the connector plug which automatically returns the plunger valve to upper position against its top seat Refer to Figure 28 With the valve in this position the final 60 cc of the gas sample is locked into the FYRITE and the top reservoir is opened to the center bore so that the gas sample can pass to the absorbing fluid The FYRITE is then inverted forcing the gas sample to bubble through the absorbing solution which absorbs either CO or depending on the type FYRITE in use Refer to Figure 29 The instrument is then turned and held upright Absorption of the CO or O by the absorbing fluid creates a suction which causes the diaphragm at the bottom to flex upward permitting the level of the absorbing fluid to rise in the center tube an amount proportional to the gas absorbed The scale indication corresponding to the top of the fluid column is then read as a percentage of gas absorbed by the FYRITE fluid 0011 9026 Rev 13 23 FYRITE Gas Analyzer Section 5 Application Information 5 1 FYRITE Absorbing Fluid FYRITE absorbing fluid is selective in the chemical absorption of carbon dioxide or oxygen respectively Therefore FYRITE accuracy is well within the range required for industrial and professional applications and does not depend upon complicated sequential test procedures Furthermore the FYRITE readings are unaffected by the presence of most back ground gases in the sample
20. eeze with bulb held deflated release the connector tip and the plunger valve Figure 21 Pumping a Gas Sample into FYRITE 0011 9026 Rev 13 FYRITE Model CO Red Fluid Operation Absorb sample gas into FYRITE by inverting until fluid drains into top reservoir Figure 22 Then turn upright Figure 23 to drain fluid into bottom reservoir Repeat this step once FYRITE Gas Analyzer FYRITE Model O Blue Fluid Operation Absorb sample gas into FYRITE by inverting until fluid drains into top reservoir Figure 22 Then turn upright Figure 23 to drain fluid into bottom reservoir Repeat this step three 3 more times four complete inversions total Figure 22 Invert FYRITE to Absorb Sample Gas into Fluid Momentarily hold FYRITE at 45 angle Figure 24 to allow fluid droplets to drain into the bottom reservoir With FYRITE held upright Figure 25 permit fluid in column to stabilize a few seconds then immediately read carbon dioxide on scale at the point corresponding to top of the fluid column Momentarily hold FYRITE at 45 angle Figure 24 to allow fluid droplets to drain into the bottom reservoir With FYRITE held upright Figure 25 permit fluid in column to stabilize a few seconds then immediately read oxygen on scale at the point corresponding to top of the fluid column Figure 25 Reading Scale after Fluid Has Stabilized 0011 9
21. ews observing same precautions in tightening as outlined in Section 6 2 To replace body remove the 4 hex head bezel screws and 4 bezels Install bezels on new body 36 0011 9026 Rev 13 FYRITE Gas Analyzer NOTE Make certain the rubber bezel gaskets are properly seated and clamped between bezel and body as shown in Figure 44 Lettering Bottom Cap Recess GASKETS Figure 43 Replacement Diaphragm Properly Figure 44 Locating Rubber Bezel Installed Gaskets 6 6 Storing FYRITE and Refill Fluid When FYRITE is not used over periods between tests store it and its Sampling Assembly in a cool dry place Prolonged storage for example at high temperatures reached in an automobile trunk over the summer is not recommended When stored unused over the summer it is good practice to drain old fluid and replace with fresh charge fluid when needed in the fall FYRITE Refill Fluid should also be stored in a cool dry location in the carton provided A recommended practice is to accumulate stock only sufficient for one year requirement and to use oldest stock first Fluid can be tested for performance according to Section 2 2 Use only Bacharach CO or fluid refills for the range FYRITE selected The kits below contain three refill bottles each 0011 9026 Rev 13 37 FYRITE Gas Analyzer Table 6 FYRITE Refill Kits FYRITE Type Range Refill Kit Part Number 7 6 range 0010 5100 CO
22. form composition Where this is impossible it will be necessary to average a number of measurements taken at different locations to obtain representative average Where gases being sampled are not saturated with moisture many non combustion applications it is very important to maintain the wool packing of filter saturator tube in a moist condition saturated with moisture Failure to moisten wool packing in filter saturator tube with water will cause FYRITE to indicate slightly lower than actual gas concentration 0 NOTE FYRITE is calibrated to analyze gases which are normally Where special length sampling lines are required add one more bulb squeeze to the 18 required with standard sampling assembly for each additional 3 cubic inches 50cc 30 0011 9026 Rev 13 FYRITE Gas Analyzer volume of special sampling line For example for each 9 ft of 3 1 6 inch I D additional length of sampling line add one more bulb squeeze If it is necessary to trap a sample over water for later analysis a minimum of 900 cc of sample will be required If sample is trapped over water it is good practice to use 10 to 1596 NaCl table salt the water to minimize absorption of or by water Trapping a sample over mercury will eliminate any possible error due to absorption of CO or O 5 6 Altitude Correction Table The gas concentration read on the FYRITE is directly dependent upon the mass of air in the sample
23. g expended in normal use THE FOREGOING WARRANTIES ARE EXCLUSIVE AND ARE GIVEN AND ACCEPTED IN LIEU OF I ANY AND ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION THE IMPLIED WARANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND II ANY OBLIGATION LIABILITY RIGHT CLAIM OR REMEDY IN CONTACT OR TORT WHETHER OR NOT ARISING FROM BACHARACH S NEGLIGENCE ACTUAL OR IMPLIED The remedies of the Buyer shall be limited to those provided herein to the exclusion of any and all other remedies including without limitation incidental or consequential damages No agreement varying or extending the foregoing warranties remedies or this limitation will be binding upon Bacharach Inc unless in writing signed by a duly authorized officer of Bacharach NOTE Gaskets are considered consumable items and are excluded from the terms of this warranty Register your warranty by visiting www MyBacharach com CAUTION Corrosive fluid is contained inside FYRITE Read all instructions thoroughly before operation or testing begins Copyright 1998 2015 Bacharach Inc All rights reserved 2 0011 9026 Rev 13 FYRITE Gas Analyzer 1 1 1 2 1 3 1 4 Section 2 1 2 2 2 3 2 4 Section 3 1 3 2 3 3 3 4 Section Section 5 1 5 2 5 3 5 4 5 3 5 6 Section 6 1 6 2 6 3 6 4 6 5 6 6 Table of Contents 15 Introductions oio eor reta ter aer Sek RE
24. hale at a steady rate into the rubber bushing end of the sampling hose assembly Simultaneously squeeze the aspirator bulb several times while exhaling breath Release rubber connector tip from plunger valve while still exhaling breath Perform steps outlined below to absorb exhaled breath into FYRITE fluid 1 Absorb sample gas into FYRITE by inverting until fluid drains into top reservoir then turn upright to drain fluid into bottom reservoir Repeat this step once more two complete inversions total 2 Hold FYRITE at 45 angle momentarily to allow fluid droplets to drain into bottom reservoir 3 With FYRITE held upright permit fluid in column to stabilize a few seconds then immediately read carbon dioxide on scale at point corresponding to top of fluid column To check CO FYRITE fluid strength DO NOT VENT FYRITE but reabsorb sample gas by inverting and turning upright Repeat this step once more two complete inversions total If reading increases by more than 0 596 CO as compared to initial reading replace fluid Formation of frothy persistent foam on FYRITE fluid also indicates need for fluid replacement A few beads or small air bubbles floating near the small center bore wall are not considered foaming FYRITE fluid may be colored for ease in readings Color has no bearing on fluid strength or ability to absorb CO Cloudy fluid or small flakes of solid material in the fluid do not necessarily mean CO fluid i
25. ing the plunger valve hold it at a slight angle away from the operator s face 0 FYRITE OPERATION PRECAUTION prevent fluid spill never depress Remove the filter tube nipple and bushing See Figure 11 from each end of the tube Use a pencil or similar object to remove packing when it becomes dirty or clogged Wrap replacement packing around the hand See Figure 12 If testing unsaturated gases most non combustion applications saturate the packing in water as shown in Figure 13 and squeeze out excess moisture Insert saturated packing using a pencil or small rod into filter tube See Figure 14 then reassemble nipple and bushing Sap Cf PR Figure 11 Removing End Plugs from Saturator Filter Tube Figure 12 Wrapping Filter Material 14 0011 9026 Rev 13 FYRITE Gas Analyzer Figure 13 Wet Filter Material Then Squeeze Out Excess Water Figure 14 Installing Wetted Filter Material into Saturator Tube 0011 9026 Rev 13 15 FYRITE Gas Analyzer Section 3 Basic Operation CO2 and 02 3 1 Overview Four basic steps are required when making CO or analysis Vent and adjust scale zero Pump sample into FYRITE Absorb gas from the sample Read or O on scale NOTE To prevent warming of FYRITE fluid during analysis hold FYRITE by the fins only CAUTION Never depress the plunger valve to vent FYRITE in the inverted position This
26. isture or dried encrustation around Plunger Valve does not indicate fluid leakage Gas enters and leaves unit during sampling with considerable velocity and some fluid vapor is carried out during normal sampling To check Top Assembly for fluid leakage in upright position depress plunger valve and release Note the scale reading at top of fluid column and then stand FYRITE upside down overnight in glass or porcelain test dish See Figure 41 Then return FYRITE to upright 34 0011 9026 Rev 13 FYRITE Gas Analyzer position and after allowing 5 minutes for drainage depress and release Plunger Valve Leakage will be evidenced by lower scale reading Extreme leakage will be apparent by presence of fluid in test dish Follow the same procedure to check fluid leakage from bottom cap assembly with FYRITE stood overnight in the upright position When leakage is proven examine plastic and rubber parts for deterioration to determine replacement parts necessary for repair or drain instrument and return if factory service or repair is desired Figure 41 FYRITE Inverted Overnight in a Test Dish to Check for Leaks 6 4 Cleaning FYRITE Use only soapy lukewarm water if cleaning is required lukewarm water is usually sufficient NOTE Use of gasoline naphtha carbon tetrachloride or any other organic solvent or oil will destroy plastic and rubber parts 6 5 Replacing FYRITE Parts Replace plastic parts if they become
27. oaching 10096 by volume do not interfere with either the CO or O FYRITE In general interferences can be of a chemical chemical reaction initiated or a mechanical nature with resultant error but are also given up by the solution when the sample no longer contains the interfering substance They can therefore be compensated for by saturating the FYRITE solution with samples containing the mechanical interferant as long as the background stays reasonably constant Usually 3 or 4 tests are sufficient to saturate the FYRITE solution with the mechanical interferant in question Refer to Table 4 0011 9026 Rev 13 29 FYRITE Gas Analyzer Table 4 Background Interference Chemicals FYRITE Typical Type of Approximate Type Interference Interference Effect Carbon All Acid Gases SO Chemical 1 1 Dioxide H5S Hydrocynanic CO Acid Cyanogen etc Acetylene and other Chemical unsaturated hydrocarbons Mechanical 2096 CO Can be zeroed out up background be to approximately 30 zeroed out in 3 to 4 CO background tests if background remains constant Ammonia Chemical Ammonia neutralizes O FYRITE solution and instrument use on this background is not advised unless suitable filters used 5 5 General FYRITE Applications It is only possible to specify a few general rules for such applications Where possible sample should be obtained at a point where the gases are well mixed to a uni
28. ometric Mix Figure 33 Theoretical Air Curve 5 2 4 How to Calculate Combustion Efficiency Measure the percent of CO in flue gases with FYRITE Then measure flue gas temperature with a suitable thermometer e g Tempoint at the same sampling point Deduct temperature of basement or combustion air supplied from measured flue gas temperature to obtain net flue gas temperature Use a Bacharach Fire Efficiency Finder to calculate combustion efficiency Instructions are printed on the face of this slide rule calculator Figure 34 Fire Efficiency Finder and Tempoint Thermometer 0011 9026 Rev 13 27 FYRITE Gas Analyzer 5 3 O FYRITE Only Combustion Testing 5 3 1 Percent O Shows Volume of Excess Combustion Air fuels require some excess air in addition to air theoretically required to burn the fuel to ensure clean complete combustion As the amount of this excess air increases the percentage of O in combustion products increases Refer to Figure 32 5 3 2 Too Much Excess Air Means Inefficient Combustion Excess combustion air is heated and carries some of this heat to the flue where it is wasted FYRITE O analyzer is used when adjusting combustion air to minimum excess air minimum O which will permit clean efficient combustion 5 3 3 Proper O Value Proper O content for any fuel fired is the lowest value that will ensure complete clean combustion with adequate safety margin for variati
29. ons in fuel draft atmospheric conditions and mechanical wear Consult manufacturer of heating equipment or local authorities for specific recommendations Figure 32 illustrates the relationship between excess air and oxygen for gas and oil For guidance it should be added that modern boilers are capable of 8096 or greater combustion efficiency Rough guidelines for setting conventional power burners are 10 1596 excess air for natural gas and 15 20 excess air for oil with little or no smoke and carbon monoxide formation 5 3 4 Measuring Addition to CO Figure 33 illustrates why it is good practice to measure oxygen in addition to carbon dioxide when firing gaseous fuels Note that the same CO reading can be obtained on both sides of the stoichiometric or perfect mixture Carbon dioxide alone cannot define proper excess air operation for gaseous fuels A check must also be made for the presence of oxygen which confirms operation with excess air Gaseous fuels should also be checked for presence of carbon monoxide CO in the flue gases and adjusted for either no CO or to conform to applicable safety regulations 5 3 5 Where is Percent or O Measured For residential and most commercial and industrial combustion units percent CO or O is measured by analyzing gas sample obtained through a 0 25 inch diameter hole located between the flue outlet breeching and any mechanical opening in the flue such as the
30. place of both measuring burette and absorption pipette The FYRITE body is molded of clear high strength plastic has top and bottom reservoirs and has a center tube connecting the two reservoirs The bottom reservoir is filled with the absorbing fluid which extends about 1 4 inch into the bore of the center tube when the instrument is held upright The scale position is mounted to one side of the center tube and is adjustable FYRITE analyzers are available for either carbon dioxide or oxygen analysis and each of these models is made in the three scale ranges shown in Figure 6 All six instruments are similar in appearance and size but they differ in important construction details as well as in absorbing fluids 0 7 6 CO or O tests of controlled atmospheres fruit vegetable and meat storage rooms Oxygen determination in flammable gases Oxygen tests to check atmospheres made inert with nitrogen silos fuel tanks etc 0 20 CO 0 21 Flue gas combustion tests oxygen deficiency tests and CO tests of heat treating atmospheres Checking oxygen concentrations in hydrogen cooled generators and oil sealed inert gas transformers 0 60 CO or Checking CO in inert gas blankets in tankers and barges carrying gasoline and other com bustibles CO tests on lime kilns Checking CO in sewage plant digesters Oxygen tests connection
31. ries some of this heat to the flue where it is wasted The FYRITE CO analyzer is used to adjust combustion excess air to a minimum maximum CO which will permit clean efficient combustion See Figure 32 Calculation of combustion efficiency is possible assuming complete combustion if percentage of and net temperature of combustion products are known 5 2 3 Proper CO Value Proper CO is that which will ensure complete clean combustion with some safety margin for variations in fuel draft atmospheric conditions and mechanical wear Consult manufacturer of heating equipment for specific recommendations Generally accepted values for good combustion practice in residential furnaces and boilers when firing the following fuels are e Natural Gas 8to 9 5 CO e 2 Oil 10 to 12 596 CO 26 0011 9026 Rev 13 FYRITE Gas Analyzer These are only guidelines however and in all cases recommendations of the equipment or fuel supplier would also include recommendations for allowable smoke oil firing or combustibles gas firing which are undesirable combustion by products Testing for smoke CO or combustibles is important since in extreme fuel rich firing high CO values also occur see Figure 33 CO and Other Combustibles CO measurements alone do not determine a unique combustion air setting when firing gaseous fuels Fuel Rich Side 4 Excess Air Side Stoichi
32. ro or reading percent or O hold FYRITE vertically and level with eyes and sight across scale to top of fluid column following a standard procedure in draining fluid droplets and to use the same procedure both before adjusting scale zero and before reading percent CO or O 0 NOTE For maximum accuracy it is important to form the habit of 3 4 FYRITE Temperature and Gas Sample Temperature The FYRITE temperature should be at or close to the temperature of the working environment where the analysis is being made and should not be subject to sudden temperature changes If FYRITE is carried from a cooler to a warmer location or vice versa expose FYRITE to the new temperature condition to permit uniform temperature stabilization Usually 15 or 20 minutes will suffice except when extreme temperature variations are involved Temperature stabilization can also be accelerated by inverting FYRITE frequently The gas sample as it enters FYRITE should be cooled or warmed if sampling cool gases to the same ambient temperature as the FYRITE The capacity of the standard aspirator bulb and sampling assembly Part 0011 7029 to cool the gas sample is sufficient if the temperature of gas being sampled does not exceed 850 F 454 C even where a large number of consecutive samples are required if there is an interval of not less than 5 minutes between samples FYRITE indicators operate over a wide temperature range They
33. rod see Section 6 7 Rubber Connector Tip 4 Hold Finger Here Figure 8 Testing Sampling Assembly Outlet Side for Leaks wv Aspirator Bulb Should Remain Firm When Squeezed 10 0011 9026 Rev 13 FYRITE Gas Analyzer DETAIL rd i SEE DETAIL A i Figure 9 Location of Inlet Outlet Check Valves on Sampling Assembly Check for Bulb Inflation After Squeezing 4 Sampling Tube End Hold Finger Here Figure 10 Testing Sampling Assembly Inlet Side for Leaks 2 2 Check Fluid Strength It is often desirable to check fluid strength before taking the FYRITE to a location where it will be used It can be tested on sample atmospheric air which contains 20 9 O 0011 9026 Rev 13 11 FYRITE Gas Analyzer 2 2 1 CO FYRITE Fluid Only Fresh FYRITE fluid will absorb all CO from more than 350 samples containing 10 Where it is desirable to check fluid strength before taking FYRITE to the test location to be used or when a questionable low FYRITE reading is obtained the instrument may be tested any sample of Exhaled breath containing approximately 4 CO is often most convenient Disconnect the rubber bushing and sampling hose assembly from the filter saturator tube Place the rubber connector tip over the plunger valve and depress plunger valve down firmly with rubber connector tip Take a deep breath hold for 3 or 4 seconds and ex
34. rvice Shipping Addresses BACHARACH INC 621 HUNT VALLEY CIRCLE NEW KENSINGTON PA 15068 USA ATTN SERVICE DEPARTMENT BACHARACH EUROPE 114A GEORGES STREET LOWER DUN LAOGHAIRE DUBLIN IRELAND ATTN SERVICE DEPARTMENT BACHARACH OF CANADA 20 AMBER STREET UNIT 7 MARKHAM ONTARIO L3R 5P4 CANADA ATTN SERVICE DEPARTMENT 42 Service Center Contact Information http mybacharach com rmaform Phone 724 334 5000 Toll Free 1 800 736 4666 Fax 724 334 5001 http mybacharach com rmaform Phone 353 1 284 6388 Fax 353 1 284 6389 http mybacharach com rmaform Phone 905 470 8985 Fax 905 470 8963 Email support BachCan ca 0011 9026 Rev 13 FYRITE Gas Analyzer 0011 9026 Rev 13 43 World Headquarters 621 Hunt Valley Circle New Kensington Pennsylvania 15068 Phone 724 334 5000 Toll Free 1 800 736 4666 Fax 724 334 5001 Website www MyBacharach com e E mail help MyBacharach com 500 ST
35. s exhausted Precipitate may form in CO refill bottles due to extended storage and can be filtered through cheese cloth or other screen like material when refilling FYRITE don t forget to saturate filter saturator wool packing as such gas standards 0 NOTE If compressed gas standards are used to check FYRITE accuracy are usually supplied dry 12 0011 9026 Rev 13 FYRITE Gas Analyzer 2 2 2 O FYRITE Fluid Only Fresh FYRITE fluid will absorb all O from approximately 100 samples containing 10 O After completing test as outlined in Section 3 steps 1 through 9 O FYRITE fluid strength can be checked by performing steps outlined below 1 DO NOT VENT FYRITE but reabsorb sample gas into FYRITE by inverting until fluid drains into top reservoir then turn upright to drain fluid into bottom reservoir Repeat this step three 3 more times four complete inversions total 2 Hold FYRITE at 45 angle momentarily to allow fluid droplets to drain into bottom reservoir 3 With FYRITE held upright permit fluid in column to stabilize a few seconds then immediately read oxygen on scale at the point corresponding to top of fluid column If reading increases by more than 0 5 as compared to the initial reading replace fluid When it is desirable to check fluid strength before taking the FYRITE to a location where it will be used it can be conveniently tested on a sample of atmospheric air which cont
36. ts of excess water Stand FYRITE body upright to center replacement Top Gasket in recess provided in top flange of body O FYRITE Only Before adding fluid flush FYRITE with a stream of O free inert gas Figure 40 or be prompt in reassembling top cap to prevent excessive fluid contact with air 0011 9026 Rev 13 33 FYRITE Gas Analyzer Uncap FYRITE fluid bottle invert FYRITE and place over the bottle Invert both FYRITE and bottle Figure 31 so that FYRITE comes to an upright position and the fluid is filling the unit Immediately install plastic top cap assembly and metal top cap ring without delay CO FYRITE Only Uncap refill bottle and pour entire contents into FYRITE Reinstall plastic top cap assembly and metal top cap ring CO and O FYRITE Make certain that top cap ring gasket 0011 0109 Figure 45 is in place between metal top cap ring and plastic top cap Draw the 4 machine screws down with light screwdriver force Then going from one screw to the next draw down 1 4 turn until all are firmly tightened Avoid excessive force in tightening which may damage plastic parts eS Gasket Top Cap Plunger Valve Assembly with Gasket a Cmm PO 5 Oval Head Top Cap Ring Screws Figure 40 Flushing FYRITE with Stream of O Free Inert Gas Figure 39 Removing the Top Gasket 6 3 Inspection of FYRITE for Fluid Leakage Gradual loss of fluid mo
37. ure 36 To remove excess fluid insert a small diameter glass tube into the FYRITE fluid through the small center FYRITE bore with top cap assembly removed Seal open end of glass tube with finger and dip out fluid with glass tube until FYRITE fluid is at proper level Avoid unnecessary exposure of fluid to air since it will rapidly absorb and become exhausted Refer to Figure 37 Figure 36 Increasing FYRITE Fluid to Figure 37 Decreasing FYRITE Fluid to Proper Level Proper Level 32 0011 9026 Rev 13 FYRITE Gas Analyzer 6 2 Replacing FYRITE Fluid CAUTION Because of the corrosive effect of the FYRITE fluid always Z N change FYRITE fluid in immediate vicinity of a sink with running water available as shown in Figure 36 Remove 4 screws metal top cap ring plastic top cap assembly and top gasket Drain old fluid from FYRITE and rinse all parts in clean lukewarm water painted or lacquered surfaces Dispose of these fluids in accordance with local state and federal laws If draining into a porcelain sink is permitted keep water faucet turned on while draining and flush for at least 1 2 minute afterwards 8 NOTE FYRITE fluid is corrosive to skin clothing some metals and NOTE Examine top gasket for warping If distorted as shown in Figure 38 replace gasket with part number 0011 0143 before proceeding Figure 38 Warping of Top Gasket Drain all par
38. use burns FYRITE and may be harmful Prevent contact of FYRITE fluids with eyes skin and clothing Wear eye protection and gloves Do not vent instrument until fluid has drained from top well Do not vent FYRITE in the inverted position In case of accidental exposure follow the general guidelines below Refer to the SDS safety data sheet for further information e For contact with eyes Immediately flush eyes with water 20 minutes Get immediate medical attention e For contact with skin Immediately flush skin with water 20 minutes Get immediate medical attention e For inhalation overexposure If irritation develops move victim to fresh air e For swallowing Do not induce vomiting Give two glasses of water or milk if conscious and not convulsing Get immediate medical attention L N J kilm Valley kunt Valley ington 15 usington Figure 5 Chromous Chloride Blue and Potassium Hydroxide Red Reagent Fluids 1 3 Product Overview FYRITE employs the well known Orsat method of volumetric analysis involving chemical absorption of a sample gas such as carbon dioxide CO or oxygen O The reagent used to absorb CO is potassium hydroxide dyed red Chromous chloride 6 0011 9026 Rev 13 FYRITE Gas Analyzer blue is the absorbent for O The unique feature of FYRITE is that the absorbing fluid is also used as the indicating fluid so that one vessel takes the
39. will cause spillage of the fluid which is corrosive and contains poisonous elements In the event of a spill read instructions FYRITE fluid handling precautions in Section 1 2 page 6 IMPORTANT The FYRITE is calibrated to indicate on a dry basis for flue gas samples which are normally fully saturated with moisture Failure to moisten the wool packing in the filter saturator tube when the actual sample is not fully saturated will cause FYRITE to read slightly low Therefore ensure that the wool packing in the filter saturator tube is sufficiently moistened with water for accurate results on non flue gases Avoid excessive moisture which can be drawn into the aspirator bulb and forced into the FYRITE during sampling Table 3 Detailed Steps of Operation FYRITE Model CO FYRITE Model O Red Fluid Operation Blue Fluid Operation Hold upright and away Hold upright and away from face refer to from face refer to Figure 15 Depress the Figure 15 Depress the plunger valve plunger valve momentarily to vent momentarily to vent FYRITE and release FYRITE and release Figure 15 Venting the FYRITE 16 0011 9026 Rev 13 FYRITE Model CO Red Fluid Operation Invert FYRITE see Figure 16 Hold at slight angle to drain fluid into top reservoir Turn upright Hold FYRITE at 45 angle Figure 17 momentarily to allow fluid droplet drainage into bottom reservoir
40. with oxygen and gas anesthesiology Figure 6 Typical Applications Showing Sections of FYRITE Scales 0011 9026 Rev 13 7 FYRITE Gas Analyzer Table 1 lists six models of FYRITE indicators and aspirator sampling assemblies with part numbers identifying their applications Table 1 FYRITE Models and Part Numbers Bacharach Part Numbers Scale Aspirator Complete For Testing FYRITE Sampling i Kit with Range Assembly Case Carbon 0 7 6 0011 7042 0011 7029 0010 5100 0010 5053 0 3 1 4 Specifications The FYRITE indicators operate over a wide temperature range and may be exposed to ambient temperatures from 30 to 150 F 34 to 66 C Gases up to 850 F 454 C may be tested with standard aspirator sampling equipment 0011 7029 temperature equilibrium with its surroundings ambient temperature and 0 NOTE Remember for the most accurate results FYRITE must be at the incoming gas sample at the same temperature as the FYRITE Table 1 FYRITE Reagent Types Reagent Reagent Absorbs Blue Chromous Chloride Oxygen 05 Red Potassium Hydroxide Carbon Dioxide CO mm un iud TOR 0 6 a 10 5057 p CHED D DIRE S Nu ir c 24 34 5000 Figure 7 Chromous Chloride Blue and Potassium Hydroxide Red Reagent Fluids 8 0011 9026 Rev 13 FYRITE Gas Analyzer Table 2 FYRITE Accuracy FYRITE Type
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