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IM-995

Installation, Operation & Maintenance Manual

Models MBO, MBW, MBR

MBW, MBO, MBR Wheel Gap

Size

196

224

252

280

308

336

365

421

477

533

589

MBW

0.50 0.44 0.38 0.25 0.38 0.44 0.56 0.63 0.75

0.75 0.88

MBO

0.50 0.44 0.38 0.25 0.38 0.44 0.56 0.63 0.75

0.75 0.88

MBR

0.25

0.25 0.38 0.50

see note below

Note:

On Sizes 421-589 wheel is to be centered in housing.

Wheel Placement

BCN Wheel Overlap

Size

270

300

330

365

402

445

27.00 30.00 33.00 36.50 40.25 44.50

0.09

0.13

0.16

Size

490

542

600

660

730

49.00 54.25 60.00 66.00 73.00

0.16

0.19

0.22

0.25

Model BCN

Содержание CD-1261

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Страница 41: ...IONS ROUNDED TO NEAREST 1 16 MATERIALS OF CONSTRUCTION SHELL 3 8 THK A 36 TIRES AISI 4140 F S HT TREATED TO 240 280 BHN SPROCKET 1045 C S DRIVE SPROCKET 1045 C S HARDENED TEETH TRUNNION ROLLERS 4340 F S HT TREATED TO 300 350 BHN FLIGHTS 1 4 THK A 36 X SLOPE 1 8 12 0 597 KEVTEX BELT SEAL QUENCH AIR FAN 30 HP 460 3 60 REF ELEVATION 5 0 FAN BASE 45 CONE 1 4 THK PLATE ACCESS DOOR IN CONE DISCHARGE DUC...

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Страница 60: ...Orion Plus Input Seal Carriers 15 Installing Seal Carrier Input output Shaft Assembly 16 Replacing Bearings Input Output Shaft Assemblies 16 Removing Input or Output Shaft Assemblies to Replace Bearings 16 Disassembling Input or Output Shaft Assemblies to Replace Bearings Saturn Plus Titan Plus Input and Orion Plus Saturn Plus and Titan Plus Output 17 Disassembling Input or Output Shaft Assemblies...

Страница 61: ...ation and under extreme spike loads Self contained input and output shaft assemblies use a double row of tapered roller bearings mounted to a steel alloy shaft to provide high overhung and thrust load capacity This feature also keeps all external shaft forces isolated from the gearing Included in both shaft assemblies are two seals with a grease purgeable cavity between them This design prevents c...

Страница 62: ...a solid level and vibration free foundation If the reducer mounting surface is not horizontal refer to Table 18 Page 28 for Maximum Allowable Tilts for Standard Reducers NOTE If the reducer is tilted the oil requirements may change Bolts should be of the correct size to fit mounting holes They should be SAE Grade 5 or equivalent Grade 8 8 or better for metric applications Fasteners shall be torque...

Страница 63: ...rms to OSHA requirements to prevent personal injury or property damage 2 3 1a MOTORS STANDARD UNITS When direct coupling motors to the Planetgear 7000 reducer follow the four step process shown below to achieve proper motor to reducer alignment Refer to coupling manufacture specifications to determine required alignment accuracy NOTE Steps 1 to 4 may have to be repeated several times to achieve ma...

Страница 64: ...ithin the specification loosen the set screws and repeat steps 2 and 3 4 Mount the motor with coupling to the reducer Align the internal spline end of the coupling with the external spline end of the reducer input gear PARALLEL MISALIGNMENT ANGULAR MISALIGNMENT Figure 2 3 2 Parallel and Angular Misalignment CAUTION Be careful not to roll the seal when installing or removing the coupling and motor ...

Страница 65: ...ars Rust Oxidation Inhibited Extreme Pressure Micropitting Resistant Venus Extreme Pressure Micropitting Resistant Atlas Extreme Pressure Micropitting Resistant Luna Extreme Pressure Micropitting Resistant Earth Extreme Pressure Micropitting Resistant Polaris Extreme Pressure Micropitting Resistant Delta Extreme Pressure Micropitting Resistant Neptune Extreme Pressure Micropitting Resistant Neptun...

Страница 66: ... respectively per ISO 4406 Laboratory analysis is recommended for optimum lubricant life and gear drive performance Oil samples should be taken from the oil level hole not the drain hole PETROLEUM LUBRICANTS In the absence of oil analysis change gear oils every 6 months or 2 500 operating hours whichever occurs first Change oil more frequently when gear drives operate in extremely humid chemical o...

Страница 67: ...w 20 RPM 32 0 68 2 150 4 320 6 20 RPM Above 32 0 68 2 150 4 220 5 TABLE 6A Petroleum Based EP Extreme Pressure Lubricants V Maximum Operating Temperature of Lubricants 200 F 93 C ISO Viscosity Grade 150 220 320 AGMA Viscosity Grade 4 5 6 Viscosity cSt 40 C 135 165 198 242 288 352 Viscosity SSU 100 F 626 765 918 1122 1335 1632 Manufacturer Lubricant Name Lubricant Name Lubricant Name Castrol Indust...

Страница 68: ...X 220 Omala S4 GX 320 Whitmore Manufacturing Co Decathlon HD 150 Decathlon HD 220 Decathlon HD 320 V Minimum viscosity index of 130 Consult lubricant supplier manufacturer for maximum operating temperature Kinematic viscosity in units of mm2 s is equivalent to cSt centistokes TABLE 7B Synthetic PAO Polyalphaolefin Micropitting Resistant Lubricants V Maximum Operating Temperature of Lubricants 200 ...

Страница 69: ...y 3 000 hours for synthetic food grade lubricants In the absence of more specific limits the guidelines listed below may be used to indicate when to change petroleum or polyalphaolefin type synthetic food grade lubricants 1 Water content is greater than 500 ppm parts per million 0 05 2 Iron content exceeds 150 ppm 3 Silicon dust dirt exceeds 25 ppm above reference sample from new oil container 4 C...

Страница 70: ... Lubricant Bel Ray Company Inc No Tox HD Grease 2 Chevron USA Inc Texaco Caltex Chevron FM ALC EP 2 Exxon Mobil Mobil SHC Polyrex 462 Kluber Lubrication Klubersynth UH1 14 222 Lubriplate Lubriplate FGL 2 Total Lubricants USA Inc Nevastane HT AW 2 Petro Canada Purity FG Phillips 66 Conoco 76 Lubricants Kendall Food Machinery Grease 2 Grease application or re lubrication should be done at temperatur...

Страница 71: ...fastened h Have all pipe plugs oil fill oil level and oil drain been inserted and properly tightened i Have all electrical connections been made j Does the motor shaft rotate in the proper direction k Are all guards in place and properly secured 4 2 INITIAL START UP It is recommended that all Planetgear 7000 speed reducers be run in for a period of time before introduction to full service This wil...

Страница 72: ...d when reducer is at ambient temperature CAUTION Underfilling reducer may cause product damage Overfilling reducer may cause excessive oil temperatures 6 Replace oil level plug sealing it in the process using thread sealant 7 Replace oil fill plug sealing it in the process using thread sealant 8 Start up reducer under a no load condition Run reducer for a few minutes 9 Stop reducer and recheck oil...

Страница 73: ...l from reducer reference Section 5 2 for procedure NOTE Care should be taken to protect the shafts from damage Damaged shaft may cause problems when reinstalling couplings sprockets or sheaves 6 2 REPLACING SEALS 6 2 1 REMOVING SEALS CARRIER NOTE If only replacing seals the reducer need not be pulled from service Seals are housed in a seal carrier which can be removed from the reducer at the insta...

Страница 74: ...ER SPRING ON SINGLE LIPPED OUTBOARD SEAL GREASE FITTNG ARBOR PRESS OR HYDRAULIC PRESS Figure 6 2 3 2A Placement of Outboard Seal for Installation NOTE Be sure to push seal in squarely Any misalignment might damage seal and result in oil leakage 6 Place seal carrier inboard side face down on a flat surface Set the single lipped seal on the seal carrier so that the opening garter spring side faces t...

Страница 75: ...surfaces where the seal carrier and the input or output housing mate NOTE Scraping of surfaces with a putty knife may be required 2 Apply a bead of sealant around the inboard lip of the seal carrier and or around the face of the input or output housing inside the bolt hole circle NOTE Use Loctite 515 gasket eliminator or equivalent as a sealant 3 Slip the seal carrier over the shaft CAUTION Extrem...

Страница 76: ...tion 6 3 1 2 Remove seal carrier from endbell reference Section 6 2 1 3 Support hub to expose the inboard side of the endbell reference Figure 6 3 2 1A and Figure 6 3 2 1B INBOARD SIDE SUPPORT BLOCKS BACKSTOP SPACER TONGUED WASHER CLAMPNUT Figure 6 3 2 1A Saturn Plus Titan Plus Input Shaft Assembly INBOARD SIDE RETAINING RING CLAMPNUT BEARING SPACER SUPPORT BLOCKS Figure 6 3 2 1B Titan Plus and Sa...

Страница 77: ...cket head cap screw on clampnut 5 Loosen socket head cap screw on clampnut 6 Remove clampnut from shaft Store in clean spot NOTE A wedge can be used to spread the clampnut in order to ease removal 7 Remove tongued washer from shaft Store in clean spot 8 With an arbor press or a hydraulic press press on the outboard end of the shaft to break free the outboard bearing cone 9 At this time the shaft w...

Страница 78: ...mage done may result in premature damage of the bearings SHAFT SPLINE END OUTBOARD BEARING CONE SHAFT PILOT NOTE DO NOT APPLY NEVERSEIZE TO THREADS APPLY NEVERSEIZE TO SHAFT 6 3 3 3 Removal of Outboard Bearing Cone Option 2 Figure 6 3 5 1 Placement of Outboard Bearing Cone on Shaft 3 With a 0 001 or 0 040 mm feeler gage make sure that there is no gap between the housing and the bearing cups to ins...

Страница 79: ...O NOT push on bearing rollers or bearing cage reference Figure 6 3 5 2 11 Press inboard bearing until it touches the surface of the bearing cup NOTE Do not over push bearings into cup This might cause the bearings to Brinell the cup NOTE An indication when the inboard bearing is fully seated is when the hub will not rotate on the shaft freely 12 INPUT ONLY Clean and place the backstop or backstop ...

Страница 80: ...NG SPACER SHAFT SPLINE Figure 6 3 6 1 Placement of Inboard Bearing Cone on Shaft 6 With an arbor press or a hydraulic press carefully push bearing cone until it bottoms on shaft shoulder or bearing spacer NOTE DO NOT push on bearing rollers or bearing cage reference Figure 6 3 6 2 for location BEARING ROLLERS BEARING CONE BEARING CAGE Figure 6 3 6 2 Location of Bearing Cage and Roller Bearing 7 Wi...

Страница 81: ... side down The dial indicator should then be placed on the inboard end of the shaft while prying upwards on the outboard end of the shaft NOTE Axial clearance should be checked while seal carrier is removed 2 Affix the hub to the support table with C Clamps or bolting to table reference Figure 6 4 1 3 While exerting downward force by hand on the end of the shaft rotate shaft 6 to 10 times to align...

Страница 82: ...tated information about the reducer and the items needed Reference the following sketches for general exploded view drawings NOTE All the gearing is stabilized at the output assembly Removing output assembly first may result in a difficult time reassembling reducer It is recommended that the input assembly be removed first then the gear train and finally the output assembly Single Reduction Disass...

Страница 83: ... tube prior to installation Assemble grease fitting hardware items 1 3 4 into predrilled 7 16 11 mm diameter hole in fan shroud if not already installed The grease line item 5 will be inserted into the grease fitting hardware in the fan shroud when the shroud is assembled to the speed reducer 6 7 4 FAN SHROUD INSTALLATION Position the fan shroud so that it fits tight over the shroud clips Check to...

Страница 84: ...mine the requirement for a reservoir kit The reservoir kit works by providing an adequate head of oil to lubricate the uppermost bearing while allowing for oil expansion A plastic tube acts as a purge line to eliminate trapped air below the seals CAUTION Failure to use a properly installed reservoir kit will cause premature speed reducer damage Assemble components as shown in Figure 7 1a and Table...

Страница 85: ...phere sealed inside B After approximately three months rotate the input shaft such that the output shaft rotates a full 360 This will insure that all internal parts will remain coated and will also keep the bearings from becoming lacquered Noncompliance with this procedure may cause bearing damage during start up C Every six months inspect the stored or inactive reducer and add Nox Rust VCI 10 À i...

Страница 86: ... s 2EMOVE AND CLEAN VENT PLUG s 2EPLACE VENT PLUG BEARING DAMAGE IMPROPER ADJUSTMENT s DJUST BEARING TO PROPER AXIAL BEARING CLEARANCE AS INSTRUCTED IN 3ECTION LACK OF LUBRICATION IMPROPER LUBRICATION OLD OR CONTAMINATED OIL s 2EPLACE DAMAGED BEARINGS AS INSTRUCTED IN 3ECTION OTE HECK HUB AND SHAFT FOR POTENTIAL DAMAGE OR HEAT DISTRESS EXCESSIVE OVERHUNG LOAD s 2EDUCE OVERHUNG LOAD OVE THE SPROCKE...

Страница 87: ...0 1570 2080 Alloy Steel Grade 8 Torque ft lb 13 26 47 74 114 164 225 400 650 970 1370 1940 2540 3370 For Dry Fasteners Metric Grade Nominal Dia M5 M6 M7 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 8 8 Torque Nm 6 15 10 5 17 5 26 51 89 141 215 295 420 570 725 1070 1450 10 9 Torque Nm 8 65 15 25 36 72 125 198 305 420 590 800 1020 1510 2050 12 9 Torque Nm 10 4 18 29 43 87 150 240 365 500 710 960 1250 ...

Страница 88: ...9600 99100 99600 Orion Plus Quintuple 18720 18790 LM104911 LM104949 99100 99600 99100 99600 Saturn Plus Titan Plus S D T 42584 42375 42584 42375 94113 94700 93125 93750 Saturn Plus Titan Plus Quadruple 34478 34300 42620 42687 94113 94700 93125 93750 Saturn Plus Titan Plus Quintuple 18720 18790 LM104911 LM104949 94113 94700 93125 93750 TABLE 20 Seals for Standard Speed Reducers All Seals are SKF Un...

Страница 89: ...une Neptune Plus Orion Plus Saturn Plus Titan Plus 158 170 Rexnord January 2015 3001 W Canal St Milwaukee WI 53208 4200 USA Supersedes 11 12 Telephone 414 342 3131 Fax 414 937 4359 www rexnord com Section XII Maintenance Log DATE MAINTENANCE PERFORMED REDUCER SERIAL NUMBER DATE INSTALLED ...

Страница 90: ...cer s Owners Manual Sizes Neptune Neptune Plus Orion Plus Saturn Plus Titan Plus Page 31 of 32 Rexnord 158 170 3001 W Canal St Milwaukee WI 53208 4200 January 2015 Telephone 414 937 4359 Fax 414 937 4359 www rexnord com Supersedes 11 12 NOTES ...

Страница 91: ...015 3001 W Canal St Milwaukee WI 53208 4200 USA Supersedes 11 12 Telephone 414 342 3131 Fax 414 937 4359 www rexnord com Section XIII Accessories Contact a Rexnord Account Executive or refer to Planetgear 7000 catalog for detailed information on accessories Reducer with Baseplate Reducer with Scoop Motor Mount Reducer with Slidebase Reducer with Top Motor Mount ...

Страница 92: ...d Date Performed by Checked by Page Revision Date 30 09 2020 1 4 This document is exclusive property of WEG S A Reprinting is not allowed without written authorization of WEG S A Subject to change without notice 0 1 2 1 3 4 0 5 6 7 8 1 9 7 6 6 6 8 9 6 2 1 5 A 0 3 B 8 9 8 9 C 80 9 D E D 4 4 2 8 9 28 9 5 8 9 3 5 2 0 F F G 3 8 9 1 8 9 3 E 28 9 8 9 3 H 8 9 3 3 G H ...

Страница 93: ...omer reference CD 1261 ____ Rev Changes Summary Performed Checked Date Performed by Checked by Page Revision Date 30 09 2020 2 4 This document is exclusive property of WEG S A Reprinting is not allowed without written authorization of WEG S A Subject to change without notice 6 7 6 8I9 5 80 9 4 1 0 2 1 3 C 5 2 1 8 9 8 9 ...

Страница 94: ...omer reference CD 1261 ____ Rev Changes Summary Performed Checked Date Performed by Checked by Page Revision Date 30 09 2020 3 4 This document is exclusive property of WEG S A Reprinting is not allowed without written authorization of WEG S A Subject to change without notice 6 7 6 8I9 5 80 9 4 1 0 2 1 3 C 5 2 ...

Страница 95: ...er reference CD 1261 ____ Rev Changes Summary Performed Checked Date Performed by Checked by Page Revision Date 30 09 2020 4 4 This document is exclusive property of WEG S A Reprinting is not allowed without written authorization of WEG S A Subject to change without notice 6 7 6 8I9 5 80 9 4 1 0 2 1 3 C 5 2 ...

Страница 96: ...Bearing Maintenance Guide x Lubrication x Troubleshooting ...

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Страница 127: ...icants and specifications for general purpose and long term greases Because of its superior lubricating characteristics and low centrifuge properties Falk Long Term Grease LTG is highly recommended Sizes 1020T to 1090T10 are furnished with a pre measured amount of grease for each coupling The grease can be ordered for larger size couplings The use of general purpose grease requires re lubrication ...

Страница 128: ...r are furnished for an INTERFERENCE FIT without a setscrew CLEARANCE FIT HUBS Clean all parts using a non flammable solvent Check hubs shafts and keyways for burrs Do not heat clearance fit hubs Install keys mount hubs with flange face flush with shaft ends or as otherwise specified and tighten setscrews INTERFERENCE FIT HUBS Furnished without setscrews Heat hubs to a maximum of 275 F 135 C using ...

Страница 129: ... instructed Seal keyways to prevent leakage Mount hubs on their respective shafts so the hub face is flush with the end of its shaft unless otherwise indicated Tighten setscrews when furnished 2 Gap and Angular Alignment Use a spacer bar equal in thickness to the gap specified in Table 2 Page 5 Insert bar as shown below left to same depth at 90 intervals and measure clearance between bar and hub f...

Страница 130: ... grease from coupling and repack with new grease Install coupling using new gasket as instructed in this manual Periodic Lubrication The required frequency of lubrication is directly related to the type of lubricant chosen and the operating conditions Steelflex couplings lubricated with common industrial lubricants such as those shown in Table 1 should be relubed annually The use of Falk Long Term...

Страница 131: ...E Grade 5 10 9 8 8 10 9 Property Class 10 9 Property Class 10 9 Property Class 8 8 TABLE 2 Misalignment End Float SIZE Installation Limits Operating Limits Cover Fastener Tightening Torque Values Inch or Metric Series Fasteners Allow Speed rpm Lube Wt Parallel Offset P Angular x y Hub Gap 10 Parallel Offset P Angular x y End Float Physical Limit Min 2 x F Max Inch Max mm Max Inch Max mm Inch mm Ma...

Страница 132: ...0T10 utilized socket head cap screws with captured locknuts The new style covers use hex head cap screws either inch or metric from year 1994 through 2003 and only Metric beginning in 2004 Specify the style cover when ordering replacement parts Rexnord Industries LLC Coupling Group 428 110 5555 S Moorland Rd New Berlin WI 53151 7953 USA Telephone 262 796 4060 May 2004 Fax 262 796 4064 e mail info ...

Страница 133: ...ION Table of Contents Overview of Centrifugal Fan Arrangements 2 Exploded Views 3 Wheel Nomenclature 3 Wheel Types Wheel Rotation 4 Safety Hazard Warnings 5 Shipping Receiving 5 Handling 6 Unit Storage 7 Foundations and Supporting Structures 8 Fan Installation Factory Assembled Units 9 Fan Installation Disassembled Units with Split Housings 10 11 Bearing Installation 12 Safety Bearing Lubrication ...

Страница 134: ...rangement 9 Belt Driven Arrangement 9F Belt Driven Arrangement 9SS Belt Driven Swingout Door Arrangement 1 Belt Driven or Direct Drive Arrangement 3 Belt Driven Arrangement 3F Belt Driven Arrangement 3SI Belt Driven or Direct Drive Arrangement 4 Direct Drive Arrangement 9H Belt Driven Arrangement 9ST Belt Driven Swingout Door Centrifugal Fan Arrangements Double Width Double Inlet DWDI Arrangement ...

Страница 135: ...ar Sheave Pulley Shaft Bearings Motor Slide Base Motor Belt Outlet Flange Access Hole For Mounting Bolts Exploded View Centrifugal Fans Flanged Inlet Wheel Cone End Ring Shroud Front Plate Backplate Blade Support Gusset Spider Backplate end ring RIM Front plate end ring RIM Blade Wheel Nomenclature ...

Страница 136: ... Rotation View From Drive Side DWDI Centrifugal Fans Airfoil BAE SW BAF SW BAFF BAV HAF BAIFE Airfoil BAE DW BAF DW BC DW Radial Tip RTF HRT FC DW NFC DW Radial Bladed RBOF RBA RBO RBP RBR RBW JRW TBNA TBNS TBA TBR HRS HRO MBO MBR MBW PBW TPB TPD HPF CIW Backward Curved BCS BCSF HIB BCN BEPL BFPL Backward Inclined BC SW BCV BCVR BCVSH DCV TCBI BCIFE BCPL Forward Curved NFC SW FCV DDF LPSF DBS DBT ...

Страница 137: ...othing eye protection ear protection respiratory equipment hand and foot protection when installing or servicing the fan Always use caution when entering a fan s air path High velocity airflow can cause you to lose your balance Motor bearings and drives can be hot and similarly if the fan is subject to processes that are hot the fan housing could be hot Fans are often used to move hazardous materi...

Страница 138: ...or distortion The housing should be lifted using suitably rated spreader bars and padded chains or straps Do not distort housing or side plates when lifting The shaft and wheel assembly may be lifted using a hoist and a spreader with slings around the shaft at either side of the wheel Use the spreader bar to ensure that the slings do not push against the sides of the wheel as this may distort the ...

Страница 139: ...e stored for a prolonged period The drives should be labeled for service and stored in a dry place Belts should be removed coiled without kinks placed in a heavy carton and stored in a dry well ventilated place To prevent belt deterioration storage conditions should not exceed 85 F and 70 humidity If belts show signs of deterioration they should be replaced prior to startup Motors should be stored...

Страница 140: ...rs nuts etc The above represents industry best practice Actual foundation design should be entrusted to a qualified engineer Anchor bolts should be accurately placed to coincide with the predetermined fan securing holes or the manufactured base to ensure that the fan is not distorted This may impact alignment and vibration Fans mounted on a sub floor or mezzanine must have adequate stiffness or be...

Страница 141: ...s on belt driven fans 7 Check tension of belts to see if it is sufficient Sheaves on belt driven fans are often provided with taperlock bushings When tightening bushing bolts proceed in a progressive manner to avoid cocking the tapered surfaces between the bushing and the sheave Torque per tables on the right 8 Check alignment of factory mounted couplings as they are subject to misalignment during...

Страница 142: ...lation is to be used place the vibration isolation base on mounting bolts Line up holes in fan base with bolts See Item 10 in the Optional Accessories section for preparing inertia bases for use 4 Place the lower housing on the mounting structure Carefully level the lower housing on the foundation and shim as necessary using stainless steel shims on both sides of each anchor bolt IMPORTANT Back of...

Страница 143: ... 8 and 9 for order of assembly of components for double width and single width fans The shaft should be cleaned and oiled where it will contact the bearings Carefully lower the shaft assembly into the bearings Use care when lowering the shaft onto the bearings so thrust bearings collars and liners are not damaged due to misalignment The bearing housing should be parallel to the axis of the shaft t...

Страница 144: ...gs should next be positioned over the housings and carefully placed into the lower housings 4 The stabilizing ring sometimes referred to as the C ring is installed in the bearing closest to the drive sheave or coupling unless otherwise noted in the drawing The bearing race should be centered in the expansion bearing The exception may be on Arrangement 3 or 7 fans with a high operating temperature ...

Страница 145: ...Relubrication Schedule Months Ball Bearing Pillowblocks Shaft DIA Speed RPM 500 1000 1500 2000 2500 3000 3500 4000 4500 1Τ2 thru 111Τ16 13 45 6 6 5 3 3 2 2 2 1 115Τ16 thru 27Τ16 50 60 6 5 4 2 2 1 1 1 1 211Τ16 thru 215Τ16 65 75 5 4 3 2 1 1 1 37Τ16 thru 315Τ16 80 100 4 3 2 1 1 Suggested lubrication interval under ideal continuous operating conditions Remove bearing cap and observe condition of used ...

Страница 146: ...revolution during this check to look for excessive runout or a bent shaft Unless there is a bent shaft runout can be corrected by adjustments to the bolt torque of the taper bushing 3 Install and tighten the belts Run the drive for a few minutes to seat the belts When fitting the belts slide the motor in to fit the belts on Do not use a pry bar as this may damage the belt cords Tighten the belts t...

Страница 147: ... with feeler gauges between the hub faces When angular alignment has been adjusted to manufacturer s specification parallel alignment can be checked with a dial indicator on the hub or a straightedge and feeler gauges on the hub halves O D When shimming has brought parallel alignment within specification angular alignment and gap should again be checked and adjustments made if necessary A dial ind...

Страница 148: ...s as it may cause belt wear Motor Maintenance The three basic rules of motor maintenance are 1 Keep the motor clean 2 Keep the motor dry 3 Keep the motor properly lubricated Blow dust off periodically with low pressure air to prevent motor from overheating Some smaller motors are lubricated for life Lubrication requirements are normally attached to the motor Use the motor manufacturer s recommenda...

Страница 149: ...lubricants All bearings are filled with a lithium complex grease before leaving the factory When the fans are started the bearings may discharge excess grease through the labrinth seals for a short period of time Do not replace the initial discharge because leakage will cease when the excess grease has worked out Sometimes the bearings have a tendency to run hotter during this period This is no re...

Страница 150: ...al must not be compressed too tight by the gland or overheating will occur Monitor temperature for a period of time Connect a purge if specified Carbon ring seals have pins which prevent ring rotation 3 Variable Inlet Vanes Variable inlet vanes are provided as assemblies internally in the inlet cone or externally in a flanged cylinder The vanes are used to control volume and save power in installa...

Страница 151: ...that which is acceptable for grease Consult with the factory before changing lubrication from oil to grease a Use non detergent turbine oil specified on the fan s general assembly drawing b Oil level should be half way up the bottom rolling element If leakage occurs lower the oil level by 2 3 mm c A breather should be used to equalize pressure which reduces oil leakage d If a heat slinger is suppl...

Страница 152: ... following instructions are a guide for filling a base with concrete Remember to use safe practices when filling concrete into the base It is best to fill concrete at or near the base s final resting area to reduce injury while transferring to the permanent location An inertia base is supplied with steel mesh or rebar added within the base frame with the intent of being filled with concrete and th...

Страница 153: ...ete by others for additional stiffness and rigidity refer to the fan s drawing for requirements Fans must utilize rebar in the pedestals so the concrete will have good adhesion points throughout To fill the pedestal the pedestal must be set on flat level ground before concrete is added It is recommended to locate the fan at the final location The fan should be leveled shimmed and grouted prior to ...

Страница 154: ...ng the grout The concrete foundation should be clean and well moistened before pouring grout Use a commercial grade nonshrinking grout and be especially sure when pouring grout that the anchor bolt sleeves are filled Prior to grouting set a section of pipe conduit steel pipe or plastic through the grout as a form in the low point which is able to wick drain out the excess moisture Refer to the Fou...

Страница 155: ...1 88 2 16 RBA Wheel Overlap Size 907 909 911 913 915 917 919 921 923 926 929 933 937 941 945 949 954 960 B 0 25 0 38 0 47 0 53 0 59 0 69 0 69 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Note On Sizes 905 911 RBO and RBR wheel is to be centered in housing Model RBA Model RBO Model RBR Model JRW RBW RBP JRW RBW RBP Wheel Placement Center wheel in housing Do not Ƥ Ǥ Model CIW CIW Wheel Placement Cent...

Страница 156: ...69 245 0 75 270 0 88 300 0 97 330 1 06 365 1 31 BC SW BC DW BAF SWSI DWDI BCS BCV Class I II DCV Wheel Overlap Size 105 122 135 150 165 182 200 222 245 270 300 330 365 402 445 490 542 600 660 730 807 890 A 10 50 12 25 13 50 15 00 16 50 18 25 20 00 22 25 24 50 27 00 30 00 33 00 36 50 40 25 44 50 49 00 54 25 60 00 66 00 73 00 80 75 89 00 B 0 28 0 31 0 34 0 38 0 38 0 47 0 52 0 55 0 59 0 67 0 75 0 82 ...

Страница 157: ...5 5 00 18 0 50 2 25 39 1 06 6 38 21 0 69 2 88 42 1 69 7 50 24 0 81 3 00 48 1 50 7 13 27 0 69 3 13 54 1 00 10 50 Models FC DW NFC DW HRS Wheel Overlap Fan Size Wheel Size B 125 25 0 31 225 0 28 325 0 27 130 30 0 38 230 0 33 330 0 32 135 35 0 44 235 0 39 335 0 37 140 40 0 50 240 0 44 340 0 43 145 45 0 56 245 0 50 345 0 48 Model HRO HRO Wheel Gap Fan Size Wheel Size B 125 25 0 82 325 0 80 130 30 0 99...

Страница 158: ...on Operation Maintenance Manual 26 TBNA TBNS Wheel Gap 0 13 gap on all sizes Models TBNS Models TBNA N Series Wheel Models TBNA W Series Wheel Wheel Placement Model TBA Model TBR TBA TBR Wheel Gap 0 13 gap on all sizes ...

Страница 159: ... 88 0 93 R13 x 3 25 0 55 R14 x 3 25 0 61 BC11 x 3 1 01 BC13 x 3 25 0 57 BC14 x 3 25 0 57 14 Housing Width R12 25 x 2 88 1 59 4 60 R13 x 3 25 1 21 R14 x 3 25 1 27 R14 75 x 4 0 48 BC13 x 3 25 1 23 BC14 x 3 25 1 23 PBW Wheel Gap Housing Size Wheel Size A REF 3 19 22 0 36 4 5 21 22 0 61 23 26 0 36 6 21 22 0 86 23 26 0 36 Model PBW TPD TPB Wheel Gap Wheel Size A B 15 Housing Width R14 x 3 25 2 49 5 82 ...

Страница 160: ...88 MBO 0 50 0 44 0 38 0 25 0 38 0 44 0 56 0 63 0 75 0 75 0 88 MBR 0 25 0 25 0 25 0 25 0 25 0 38 0 50 see note below Note On Sizes 421 589 wheel is to be centered in housing Wheel Placement BCN Wheel Overlap Size 270 300 330 365 402 445 A 27 00 30 00 33 00 36 50 40 25 44 50 B 0 09 0 09 0 13 0 13 0 13 0 16 Size 490 542 600 660 730 A 49 00 54 25 60 00 66 00 73 00 B 0 16 0 19 0 22 0 22 0 25 Model BCN ...

Страница 161: ...ment procedure incorrect Vibration Problems 1 Misalignment of drive components Check belt or coupling 2 Poor foundation or mounting structure resonances 3 Foreign material attached to rotating components 4 Damaged rotating components bearings shaft fan wheel sheaves 5 Broken loose or missing setscrews 6 Loose bolts 7 Vibration transmitted by another source 8 Water accumulating in airfoil blades 9 ...

Страница 162: ...s distorted by the foundation and or ductwork Note Applies to direct or isolation mount Check fan interior for debris and standing water Fan Wheel Wheel clearance checked Wheel overlap checked Fasteners tight Wheel rotates freely Springs if equipped Springs adjusted properly Flex joints allow movement Electrical conduit allows movement Bearings Bearings aligned Bearings greased Note Rotate while g...

Страница 163: ...Installation Operation Maintenance Manual IM 995 31 Date Completed Maintenance Performed By Comments Model Number__________________________ Serial Number __________________________ Fan Maintenance Log ...

Страница 164: ...TWIN CITY FAN BLOWER WWW TCF COM 5959 Trenton Lane N Minneapolis MN 55442 Phone 763 551 7600 Fax 763 551 7601 2017 2019 Twin City Fan Companies Ltd Twin City Fan ...

Страница 165: ... 0 0 1 2 3 4 5 6 52 3 52 3 7 8 4 6 52 4 6 1 9 9 9 9 9 ...

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Страница 170: ... of application Low NOx and CO emissions Simple set up and adjustment Fast mixing flame with excellent stability in a wide variety of combustion chamber conditions Mounting designed for an excellent seal in a wide variety of combustion chamber pressures Mason OH USA 1 513 282 0810 starcombustion com SYSTEMS LLC SYSTEMS LLC STARCOMBUSTION ...

Страница 171: ... air f el ra io con rol op ions incl de linked al es sing a single ac a or a high preci sion parallel posi ioning s s em for charac eri ed con rol of air f el ra io or he b rner can be ordered i ho air f el ra io con rol al es B rns an clean f el gas incl ding na ral gas pro pane gas b ane gas and propane air mi Comb s ion chamber empera res o 1500 F Direc spark or pilo igni ion op ions World ide ...

Страница 172: ...00 000 Maximum Capacity million btu hr HHV 12 00 000 1 000 000 20 000 000 2 000 000 0 000 000 Minimum Capacity million btu hr HHV 1 000 000 00 000 2 000 0 000 Combustion Air Differential Pressure wc 12 0 12 0 12 0 12 0 12 0 Combustion Air Flow scfh 1 Excess Air 1 0 1 1 222 2 0 2 Combustion Air Fan Horsepower 10HP 1 HP 20HP 0HP 0HP Natural Gas Differential Pressure wc 10 0 10 0 10 0 10 0 10 0 Natur...

Страница 173: ...ition P Standard pilot including adjustable orifice TABLE II Fuel Abbre iation Definition G Natural Gas P Propane gas X All other gaseous fuels O Dual fuel natural gas and fuel oil TABLE IV Flame Sensing Abbre iation Definition F Flame ionization rod included U UV scanner customer supplied TABLE VII Air Fuel Ratio Control Val es Abbre iation Definition S Star Linc parallel positioning system with ...

Страница 174: ...000 1 0 1 12 00 00 2 0 1 1 2 000 0 0 12 21 0 22 000 2 2 2 1 21 20 000 1 0 1 12 00 000 2 0 2 10 000 1000 12 21 0 22 000 2 2 2 1 21 20 000 1 0 20 2 0 12 00 000 2 0 2 10 000 12 0 1 21 0 2 000 1 2 20 2 11 000 20 0 2 12 2 10 00 000 2 0 2 1 2 12 11 000 1 00 1 21 0 2 000 1 2 20 2 11 000 20 0 2 12 2 10 00 000 2 0 2 1 2 12 11 000 2000 2 21 11 0 2 000 1 11 2 2 2 1 000 22 0 2 12 1 00 10 000 12 2 0 1 1 000 2 ...

Страница 175: ...0 1 000 12 1 00 11 0 0 1 000 1 2 0 10 1 0 12 12 0 2 00 21 2 0 1 12 1 1 00 11 0 0 1 000 1 2 0 10 1 0 12 1 00 2 00 21 2 0 1 12 1 1 00 11 0 0 1 000 1 2 0 10 1 0 12 2000 2 000 2 00 1 20 1 00 11 0 0 1 000 1 2 0 10 1 0 12 2 00 2 000 2 00 1 20 1 000 1 000 1 000 12 12 1 000 1 000 1 000 12 12 000 2 000 2 00 1 20 1 000 1 000 1 000 12 12 1 000 1 000 1 000 12 12 BURNER DISCHARGE SLEEVE MOUNTING FLANGE COMBUST...

Страница 176: ... or air hea ing opera ion The S ar Pac ma req ire e ernal s ppor Use a s ppor posi ioned near he back of he b rner o he floor in si es 1000 and larger and also in ins ances here he hea er all is no rob s eno gh o s ppor he b rner A all gaske sho ld be sed be een he discharge slee e and he hea er all This is especiall impor an for ins ances here here is a back press re in he comb s ion chamber The ...

Страница 177: ...ACKAGED AIR HEATING BURNER Technical Guide Page 8 Mo n he S ar Pac b rner as sho belo The b rner ma req ire e ernal s ppor for si es 1000 and larger or if he hea er all is no s rong eno gh o s ppor he b rner eigh S ppor s are no pro ided b S ar Comb s ion S s ems STAR PAC INSTALLATION ...

Страница 178: ...each s i ch as necessar o ge he s i ch o sa isf he b rner managemen in erlocks as necessar Pro ide ini ial adj s men s o lo and high gas press re s i ches Remo e co er o lo and high gas press re s i ches adj s lo and high gas press re s i ches o a safe press re se ing b one ha ill pre en n isance rip d ring commissioning These s i ches ill be re adj s ed la er b his ini ial adj s men sho ld allo f...

Страница 179: ...e of opera ion pro ided i h ha con rol panel for direc ions on ho o s ar he b rner If b rner manage men is no pro ided b S ar Comb s ion S s ems LLC refer o he man fac rer s pro ided li era re for ins r c ion on ho o s ar he b rner Once he b rner managemen s s em has erified all s s em in erlocks i ill a oma icall go in o a p rge se q ence For applica ions ha se he comb s ion air for p rge he air ...

Страница 180: ... codes normall 50 belo he lo es manifold press re meas red a he s i ch normall seen a high fire Tes he high gas press re s i ch b bringing he se poin abo e ac al The final se ing of his s i ch sho ld be de ermined b local f el gas codes normall 50 abo e he highes manifold press re meas red a he s i ch normall seen a lo fire Tes he process air press re s i ch b disconnec ing he ps ream sensing por ...

Страница 181: ...n ial press res ha e been se a all firing ra es re a ached he ac a or linkage or place he air f el ra io con roller in o a oma ic mode and erif proper b rner firing ra e con rol The b rner is no read for opera ion Once he hea er and s s em reach f ll opera ing empera re capaci re erif all press res and se poin s on he b rner in erlocks I is al a s ise o keep good records of bo h b rner se ings and...

Страница 182: ...crew terminal adapter is available Adapter bracket for matching shaft height of older motors is available Most motors have field adjustable stroke 90 to 160 Die cast aluminum housing Integral auxiliary switches are available factory mounted or can be field added Nominal timing standard of 30 seconds 90 stroke and 60 seconds 160 stroke Other timings available Spring return motors can operate valve ...

Страница 183: ...ectronic controller that provides a stable noise free proportional current output as specified in Electrical Ratings Input Range below Electrical Ratings Power Consumption See Table 1 Input Range Current Nonadjustable 4 to 20 mA nominal 25 mA maximum Current Adjustable 4 to 20 mA adjustable 50 mA maximum Zero Null Motor Closed 0 0 to 18 mA Span 1 8 to 20 mA Voltage Nonadjustable 2 to 10 Vdc Input ...

Страница 184: ...al ended shaft Normally Closed Spring Return 4 Non Spring Return 5 Normally Closed Spring Return A 0 Auxiliary Switches Adjustable Stroke Normally Closed B 1 Auxiliary Switch C 2 Auxiliary Switches D 0 Auxiliary Switch Qa 2 Auxiliary Switches M 72 8 4 A XXXX See Tradeline Catalog for Complete Model Number FULLY OPEN 90 DEGREE STROKE 160 DEGREE STROKE M31079 VERTICAL REFERENCE FULLY CLOSED 160 10 V...

Страница 185: ...RY END POWER END ADAPTER BRACKET 2 9 16 66 5 3 8 137 6 7 16 164 9 16 15 3 4 19 TOP VIEW OF BRACKET TOP VIEW 4 5 8 116 4 1 4 107 2 5 16 58 11 16 17 4 7 8 124 5 9 16 141 1 4 7 5 13 16 148 1 POWER END 2 3 1 1 2 37 3 4 19 SPRING RETURN MODEL SHOWN FOR 60 LB IN SPRING RETURN MODELS 8 3 4 222 FOR NON SPRING RETURN MODELS 7 5 16 185 FOR 60 LB IN SPRING RETURN MODELS SHOWN FOR NON SPRING RETURN MODELS 1 2...

Страница 186: ... power supplies before installation Motors with auxiliary switches can have more than one disconnect CAUTION Equipment Damage Hazard Can damage the motor beyond repair Never turn the motor shaft by hand or with a wrench Forcibly turning the motor shaft damages the gear train and stroke limit contacts IMPORTANT Always conduct a thorough checkout when installation is complete Location Allow enough c...

Страница 187: ...e assemblies refer to the instruction sheet packed with the linkage In general check the following points when installing a motor and linkage Adjust valve and louver type damper linkages so the damper or valve moves through only the maximum required distance while the motor moves through its full stroke With modulating control maximum damper opening should be no more than 60 degrees Little additio...

Страница 188: ...ring Wire the motor as follows 1 Remove the wiring box cover by removing the four screws holding the cover to the motor 2 Wire motor to system using quick connect terminals in wiring box 3 Replace wiring box cover Fig 5 Typical system wiring Fig 6 Series 71 optional override switches to drive motor open or closed Fig 7 M7685 Typical application wiring 1 4 20 UNC 1 in LONG MOUNTING BOLTS Q5001 VALV...

Страница 189: ...y turning the motor shaft damages the gear train and stroke limit contacts Adjustable Stroke All models except for M7284C1083 M7284C1091 M7284Q1082 and M7284Q1090 When viewing from the power end of the motor the stroke potentiometer is to the far left To set the stroke to 160 maximum position turn the potentiometer fully clockwise using a 1 8 in straight blade screwdriver To set the stroke at 90 m...

Страница 190: ...ce between the fully open span position current and the zero position current is defined as the operating span 6 Recheck the start and readjust the span potentiometer if necessary Turn the start potentiometer clockwise to increase the zero position 7 Recheck the span and readjust the span potentiometer if necessary Turn it clockwise to increase the full span position 8 For sequential operation as ...

Страница 191: ...gs 1 Remove the top cover from the motor to gain access to the motor terminals and auxiliary cams 2 Disconnect the controller from the motor 3 Connect a current source to the positive and negative terminals 4 Drive the motor to the position where the auxiliary equip ment is to be switched by increasing or decreasing the current 5 For a switch differential of 1 check continuity of auxiliary switch ...

Страница 192: ... at the desired point of motor rotation Inspect the motor linkage and valve or damper to see that all mechanical connections are correct and secure In damper installations the pushrod should not extend more than a few inches past the ball joints Check to see that there is adequate clearance for the linkage to move through its stroke without binding or striking other objects See controller or syste...

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Страница 220: ...21 13 inner 1 2 and 2 Model 121 12 1 to 3 w c red 143 16 021 03 main spring 120 10 021 10 counterspring 60 psi 12 1 to 12 w c maroon 121 42 021 00 main spring 120 10 021 10 counter spring 3 to 6 w c 5 to 8 w c 6 to 14 w c 12 to 28 w c 1 psi to 2 psi 1 psi to 3 psi red 2 O D blue 2 O D green 2 O D orange 2 O D black cadmium 143 16 021 03 143 16 021 04 143 16 021 05 143 16 021 06 143 16 021 07 143 1...

Страница 221: ...ALUMINUM ALLOY DIAPHRAGM CASE LJK 6WUHQJWK LJKW HLJKW RUURVLRQ 5HVLVWDQW CAST IRON BODY ASTM A126 71 Class B 6WURQJ GXUDEOH PD LPXP SLSH WKUHDG UHXVDELOLW DOUBLE ACTING VENT DAMPER Ensures fast response plus stable operation VALVE IS BALANCED BY A ROLL TYPE DIAPHRAGM OLPLQDWHV YDOYH DGMXVWPHQWV 0DLQWDLQV DFFXUDWH UHJXODWLRQ WR high inlet pressures V PORT VALVE OPTION QFUHDVHV WXUQGRZQ IRU UHJXODWL...

Страница 222: ...20 40 60 80 100 120 140 160 180 200 11 0 9 0 7 0 5 0 3 0 14 Z F 1 psi 5 psi 10 psi 25 psi 1 121 12 Regular Blue Spring 287 7 35 6685 QFKHV DWHU ROXPQ Z F 11 0 9 0 7 0 5 0 3 0 11 0 9 0 7 0 5 0 3 0 40 psi 60 psi 14 Z F 1 psi 5 psi 10 psi 25 psi 40 psi 60 psi 14 Z F 1 psi 5 psi 10 psi 25 psi 40 psi 60 psi 2 121 12 Regular Blue Spring 2 121 12 Regular Blue Spring 11 0 9 0 7 0 5 0 3 0 11 0 9 0 7 0 5 0 ...

Страница 223: ...0 3700 1 psi 7400 7000 6500 6000 2 psi 11500 11000 10300 9500 10000 3 psi 14600 14500 13750 12500 13000 10000 2 5 psi 19500 19400 18500 17300 18000 16400 14000 10 psi 30000 30000 28000 27000 27500 25100 25500 15 psi 37000 37000 36200 35000 35700 34000 31500 3 25 psi 50000 50000 49000 47400 48000 46000 45500 40 psi 68000 68000 67100 66000 66600 64200 63500 50 psi 80000 80000 79000 77700 78000 74900...

Страница 224: ...psi 62000 60500 70000 71500 60 psi 68000 66500 2 Model 121 8 15000 2 3 psi 2 Model 121 8HP 20000 24000 5 psi 37000 39000 10 psi 30000 48000 50000 15 psi 45000 40000 64000 65000 25 psi 60000 55000 85000 90000 40 psi 80000 76000 116000 120000 3 50 psi 114000 110000 127000 130000 60 psi 123000 121000 2 Model 121 8 16700 2 3 psi 2 Model 121 HP 22000 26700 5 psi 41000 43500 10 psi 33500 53500 55000 15 ...

Страница 225: ...500 5000 4500 4000 2 psi 7800 7500 7000 6000 6200 3 psi 9700 9500 9000 8000 8400 7200 5 psi 12700 12500 11200 10400 10800 9700 8300 2 10 psi 18000 17850 17000 16000 16300 15400 15000 15 psi 22500 22000 21700 20500 21000 18900 18000 25 psi 27100 27000 26200 25400 25900 24900 24000 3 40 psi 41000 41000 40000 39000 39600 38400 38000 50 psi 48000 48000 45000 43600 44000 42000 40800 60 psi 56000 56000 ...

Страница 226: ...0 3 psi 110000 110000 105000 99000 100000 5 psi 145000 145000 140000 131000 135000 6 10 psi 202000 202000 200000 191000 200000 15 psi 252000 252000 245000 240000 250000 See NOTE in upper part of page 4 Regulator 6L H DQG 0RGHO Outlet Pressure Inlet Pressure Outlet Pressure Regulator 6L H DQG 0RGHO Set Point 3 psi Set Point 2 psi Set Point 1 psi Set Point 1 psi Set Point 2 psi Set Point 3 psi DGPLX...

Страница 227: ...g the following formulas and K factors 1 Q K P0 P1 P0 for P1 P0 ʘ OHVV WKDQ 2 Q K P1 2 for P1 P0 ʘ JUHDWHU WKDQ 4 XOO RSHQ FDSDFLW LQ 6 RI VSHFL F JUDYLW natural gas P1 absolute LQOHW SUHVVXUH SVLD P0 absolute RXWOHW SUHVVXUH SVLD 3LSH 6L H RXWOHW K 1400 1 Pipe Size K 2750 2 Pipe Size K 4750 2 Pipe Size K 5250 ó 3LSH 6L H RXWOHW K 1750 3 Pipe Size K 11000 4 Pipe Size K 18000 Remember at the above ...

Страница 228: ...taps are available on either side of the body Tap size is NPT Refer to dimensions on page 13 Desired taps PXVW EH VSHFL HG ZKHQ RUGHULQJ Metrication Use the following for Metric Conversions std meters3 hr x 35 31 std ft 3 hr SCFH std ft 3 hr SCFH x 0 0283 std meters3 hr kilograms centimeter kg cm x 14 22 psig psig x 0 0703 kilograms centimeters kg cm kilopascals kPa x 0 145 psig psig x 6 90 kilopa...

Страница 229: ...trol line which applies the air or combustion chamber pressure to the top of the diaphragm Differential regulators can also be used to maintain a constant pressure drop DFURVV DQ RUL FH 2Q WKH DQG ERWK FRQWURO OLQHV DUH ó 137 2Q WKH 121 16 both are NPT All of the pipe sizes listed on Page 8 are available through 4 Parts are interchangeable with standard 121 regulators For differentials lower than ...

Страница 230: ... when the emergency ends Back Pressure Regulators maintain constant upstream pressure by allowing excess gas to exit to a lower pressure downstream All of the pipe sizes listed on Page 8 are available through 4 Note on the cutaway drawing that the valve opens upwards in standard 121 regulators it RSHQV GRZQZDUGV LWK WKH H FHSWLRQ RI FHUWDLQ VWHP DQG RUL FH SDUWV LQ WKH YDOYH assembly everything el...

Страница 231: ...and Springs Size 9DFXXP 5DQJH Z F YDFXXP Z F Spring Color Spring Part Number 1 and 1 Model 121 8 3 to 6 5 to 8 8 to 14 12 to 20 18 to 30 30 to 56 red black blue black green black blue 2 O D green 2 O D orange 2 O D 143 82 021 00 143 82 021 01 143 82 021 02 143 16 021 04 143 16 021 05 143 16 021 06 1 2 and 2 Model 121 12 3 to 6 5 to 8 8 to 14 12 to 28 28 to 56 red 2 O D blue 2 O D green 2 O D orang...

Страница 232: ... 16 ǩ 1 121 8 8HP 7 Ǫ 103 16 1311 16 19 1 121 12 7 Ǫ 14 ǩ 2 121 8 8HP 7 Ǫ 10 3 6 103 16 1311 16 19 2 121 12 7 Ǫ 10 3 6 14 ǩ 2 121 8 8HP 8 Ǫ 103 16 1311 16 19 2 121 12 8 Ǫ 14 ǩ 3 121 12 11 39 16 11 3 7 14 15 3 121 16 11 39 16 11 3 7 18 19 4 121 12 Ǭ 4 9 14 16 4 121 16 Ǭ 4 9 18 20 NOTE Dimensions are in inches GCD1328 065 2SWLRQDO QOHW DQG Outlet Taps NPT C A B D H 121 8HP ONLY G E F ...

Страница 233: ...eline taps servicing plants and buildings Appropriate for double stage reduction ahead of service regulators and for high pressure burners and compressed air systems Model 046 Bulletin R 1312 1 and 1 pipe size Inlet pressures to 1000 psi Outlet pressures 3 to 200 psi Capacity to 40 000 SCFH Monitor and pressure loaded version and internal relief valve also available Model 141A Bulletin R 1311 2 pi...

Страница 234: ...15 Notes Model 121 Regulators Brochure ...

Страница 235: ...eserves the right to modify these terms and conditions in its own discretion without notice to the customer 7KLV GRFXPHQW LV IRU LQIRUPDWLRQDO SXUSRVHV RQO DQG 6 1686 0 6 12 35 66 55 17 6 1 7 6 2 80 17 857 5025 7 5 5 12 03 55 17 6 1 8 1 WITHOUT LIMITATION WARRANTIES AS TO FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY ANY USE OF THE PRODUCTS NOT SPECIFICALLY PERMITTED HEREIN IS PROHIBITED Au...

Страница 236: ......

Страница 237: ...f any VG valve with four pre mounted screws A visible position indicator on the front of the actuator displays the entire stroke of the valve A light indicates when the actuator is powered Features UL listed FM approved CSA certified for USA and Canada and ISO 9001 certified European Australian and Japanese approved versions available Proof of Closure with Over Travel POC versions Optional NEMA 4 ...

Страница 238: ...r supply Operating voltage 110 to 120 Vac 10 to 15 220 to 240 Vac 10 to 15 Operating frequency 50 to 60 Hz 6 Power consumption 13 5 VA Duty cycle continuous Operating environment Ambient operating temperature 5 F to 140 F 15 C to 60 C Mounting position Any position except upside down Physical characteristics Weight 2 4 lb 1 1 kg Enclosure NEMA 1 2 5 and 12 for indoor use NEMA 3 3R and 4 with optio...

Страница 239: ...h is adjustable between 40 and 100 of the stroke The adjustment screw and scale are located on the right side in the terminal box and are visible through the transparent portion of the terminal cover Installation WARNING Personal injury or loss of life may occur if procedures are not followed as specified All installations must be performed by qualified personnel only Do not pull the actuator shaf...

Страница 240: ...ng Adjust the auxiliary switch if provided according to the wiring diagram on the label below the terminals see Figure 2 The adjustment screw and scale are located on the right side of the terminal box and are visible through the transparent portion of the terminal cover NOTES 1 The auxiliary switch is adjustable between 40 and 100 of the stroke The factory setting is at 40 2 The auxiliary switch ...

Страница 241: ...are introduced Other product or company names mentioned herein may be the trademarks of their respective owners 2005 Siemens Building Technologies Inc SCC Inc 1250 Lunt Avenue Elk Grove Village IL 60007 U S A Your feedback is important to us If you have comments about this document please send them to techsupport SCCcombustion com Document No 155 751 Country of Origin US Page 5 Dimensions Dimensio...

Страница 242: ...lenoid enclosures with 1 2 conduit hub as standard Optional RedHat II Explosionproof and Watertight Types 3 3S 4 4X 6 6P 7 and 9 To order add Prefix EF to catalog numbers 8214G 010 020 and 030 All other constructions are not available with explosionproof enclosures Valve Parts in Contact with Fluids Body Aluminum Seals and Disc NBR Core Tube 305 Stainless Steel Core and Plugnut 430F Stainless Stee...

Страница 243: ...B 8214G020 316233 316790 HB JB 8214G030 316233 316790 Standard Other options may be available All option combinations may not be available Solenoid options are for AC only Specifications English units Pipe Size in Orifice Size mm Kv Flow m3 hr Gas Capacity Operating Pressure Differential bar Max Fluid Temp C Catalog Number Const Ref Agency Wattage Approx Shipping Weight kgs Btu hr Min Max AC DC UL...

Страница 244: ...applicable CE directives Refer to Engineering Section for details Construction Standard Red Hat II Watertight Types 1 2 3 3S 4 and 4X Red Hat Type I Optional Red Hat II Explosionproof and Watertight Types 3 3S 4 4X 6 6P 7 and 9 Red Hat Explosionproof and Raintight Types 3 7 and 9 Except EF8215A40 and EF8215A90 which are suitable for Types 3 and 7 C and D only and have a T2B temperature rating code...

Страница 245: ...9 B 1 1 4 1 5 8 32 1 730 000 0 25 25 125 77 8215B60 6 15 4 F 14 9 B 1 1 2 1 5 8 35 1 900 000 0 25 25 125 77 8215B70 6 15 4 F 14 9 B 2 2 3 32 60 3 251 000 0 25 15 125 77 8215B80 7 15 4 F 14 9 B 2 1 2 3 117 5 821 000 0 5 125 8215A90 8 28 2 F 3 3 138 7 430 000 0 5 125 8215A40 8 28 2 F NORMALLY OPEN Open when de energized 3 8 3 4 3 2 172 500 0 125 125 125 104 8215G13 9 10 1 F 11 6 F 1 2 3 4 4 206 250 ...

Страница 246: ... 4 41 27 43 1 730 000 0 1 7 1 7 51 25 8215B60 6 15 4 F 14 9 B 1 1 2 41 30 00 1 900 000 0 1 7 1 7 51 25 8215B70 6 15 4 F 14 9 B 2 53 51 43 3 251 000 0 1 7 1 0 51 25 8215B80 7 15 4 F 14 9 B 2 1 2 76 100 28 5 821 000 0 0 3 51 8215A90 8 28 2 F 3 76 118 28 7 430 000 0 0 3 51 8215A40 8 28 2 F NORMALLY OPEN Open when de energized 3 8 19 2 74 172 500 0 8 6 8 6 51 40 8215G13 9 10 1 F 11 6 F 1 2 19 3 43 206...

Страница 247: ...2 2 72 2 75 3 86 2 36 mm 112 69 70 98 60 10 ins 4 86 2 72 3 31 4 04 2 36 mm 123 69 84 103 60 11 ins 2 74 1 44 2 00 2 30 1 69 mm 69 36 51 58 43 12 ins 6 84 x 5 00 3 63 5 38 mm 174 x 127 92 137 13 ins 6 84 x 5 00 3 56 5 38 mm 174 x 127 90 137 13A ins 4 05 2 46 2 75 3 44 2 42 mm 103 63 70 87 62 13B ins 4 49 2 65 3 31 3 63 2 39 mm 114 67 84 92 61 14 ins 7 44 x 6 09 3 81 6 31 mm 189 x 155 97 160 15 ins...

Страница 248: ...W 2XWSXW WR ȍ PD 9ROWDJH 2XWSXW RDG UHVLVWDQFH Nȍ PLQ XUUHQW RQVXPSWLRQ P PD OHFWULFDO RQQHFWLRQV ZLUH UHPRYDEOH XURSHDQ VW OH WHUPLQDO EORFN IRU WR 3URFHVV RQQHFWLRQV DUEHG GXDO VL H WR W DQG DQG PP UXEEHU RU YLQ O WXELQJ QFORVXUH 5DWLQJ 1 0 3 0RXQWLQJ 2ULHQWDWLRQ Any orientation HLJKW LWKRXW R J LWK R J JHQF SSURYDOV 5 1 8 130 18 3 3 4 95 25 1 3 16 30 18 1 1 4 31 75 1 1 4 31 75 1 5 16 33 32 TYP ...

Страница 249: ...AC If DC power is applied while WKH MXPSHU LV VHW WR QR GDPDJH ZLOO RFFXU RZHYHU WKH accuracy of the unit may be temporarily affected 127 R QRW H FHHG VSHFL HG VXSSO YROWDJH UDWLQJV 3HUPDQHQW GDPDJH QRW FRYHUHG E ZDUUDQW ZLOO UHVXOW 7KLV XQLW LV QRW designed for 120 or 240 VAC line operation 87 21 02 57 2XWSXW 7 SH 3RZHU 6XSSO 5DWLQJ 2 wire current 3 wire current 6LPXOWDQHRXV FXUUHQW DQG YROWDJH 1...

Страница 250: ... WR WKH UHTXLUHPHQWV RI WKH YROWDJH RXWSXWV 6KLHOGHG ZLUH FDEOH LV UHFRPPHQGHG IRU FRQWURO ORRS ZLULQJ URXQG WKH VKLHOG DW WKH SRZHU VXSSO HQG RQO 6KRXOG WKH SRODULW RI WKH WUDQVPLWWHU RU UHFHLYHU EH LQDGYHUWHQWO UHYHUVHG WKH XQLW ZLOO QRW IXQFWLRQ SURSHUO EXW QR GDPDJH ZLOO EH GRQH to the transmitter RU YROWDJH RXWSXWV WKH PLQLPXP UHFHLYHU ORDG LV Nȍ 7KH UHVLVWDQFH GXH WR WKH ZLUH VKRXOG EH ORZ F...

Страница 251: ...____________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ _____________________________________...

Страница 252: ...e may be as much as 10 25 seconds where applied pressures are near set point Series 1950 Explosion Proof Differential Pressure Switches Specifications Installation and Operating Instructions Bulletin E 57 UL and CSA Listed FM Approved For CL I GR C D CL II GR E F G CL III Series 1950 Switches Operating ranges and deadbands To order specify Model Number 1950 02 2S 1950 00 2F 1950 0 2F 1950 1 2F 195...

Страница 253: ...at the top of the housing clockwise to raise the set point pressure and counter clockwise to lower the set point After calibration replace the plastic cap and re check the set point 2 The recommended procedure for calibrating or checking calibration is to use a T assembly with three rubber tubing leads all as short as pos sible and the entire assembly offering minimum flow restriction Run one lead...

Страница 254: ... 2 4 210 998 2 1 2 3 5 210 998C 2 1 2 3 5 210 999C 4 6 Valve Accessory 2 Stem Extension Stem Extension The Jomar handle extensions are available for applications where it is necessary to extend the valve handle approx imately 2 higher from itʼs original position Fits on any T 100 S 100 or JP 100 series ball valve Part No Size Type 230 004 1 4 3 8 1 2 Type 1 230 005 3 4 Type 2 230 006 1 1 1 4 Type ...

Страница 255: ...6 C A D B D A B Lever Handle Screwdriver slot Material Speciﬁcations No Part Materials 1 Body Brass CW617N 2 End Connection Brass CW617N 3 Ball Chrome Plated Brass CW617N 4 Seat 2 PTFE 5 Stem Brass CW614N 6 Stem O ring 2 Viton 7 Handle Steel Geomet Plated 8 Handle screw Steel Geomet Plated Lever Handle Only Dimensions Part No Size A B C D 100 295 1 4 FIP x 1 4 MIP 2 01 0 77 0 31 100 297 1 8 FIP x ...

Страница 256: ...0 200 300 400 500 Valve Seat Rating 1 4 3 4 600 WOG 1 2 500 WOG 2 1 2 4 400 WOG 150 WSP 1 2 3 4 5 6 7 8 9 10 C D A B Material Speciﬁcations No Part Materials 1 Body Brass CW617N 2 End Connection Brass CW617N 3 Ball T E A Coated Brass CW617N 4 Seat 2 Hostaﬂon TFM 1600 5 Stem Brass CW614N 6 Packing Hostaﬂon TFM 1600 7 Stem O ring 2 Viton 8 Packing Gland Brass CW614N 9 Handle Steel Geomet Plated 10 H...

Страница 257: ...less steel through size 2 Sizes 2 1 2 3 and 4 are furnished with 1 16 perforated 304 stainless steel screens All screens are spot welded for maximum strength Different size perforations and meshes are available in stainless steel monel and brass to meet specific media requirements If media is not indicated screens for water will be supplied SELF CLEANING Self cleaning is accomplished by opening th...

Страница 258: ...1 4 387 12 1 2 318 2 50 95 43 1 Size in2 Size in2 Size in2 1 2 5 50 1 1 4 18 69 2 1 2 54 13 3 4 8 59 1 1 2 23 37 3 73 51 1 15 22 2 36 23 4 154 98 TOTAL SCREEN AREA 0 100 200 300 400 500 Temperature F 0 100 200 300 400 500 Maximum Pressure and Temperature Limits 250 PSI at 406F 400 PSI at 150F 690 1379 2069 2759 3449 Temperature C 38 93 149 204 Pressure PSI 260 Pressure KPa 250 Class PRESSURE vs TE...

Страница 259: ...M on the left hand side of the chart Follow its corresponding horizontal line to the point where it intersects the diagonal line indi cating the strainer pipe size From this point of intersection follow the vertical line down to the bot tom of the chart to determine the approximate pressure drop CORRECTION FACTORS For finer mesh screens that are backed with a perforated sheet multiply the pressure...

Страница 260: ...1872 J2072 0 to 1 500 psi J0474 J0574 J0674 J1174 J1474 J1874 J2074 0 to 2 000 psi J0476 J0576 J0676 J1176 J1476 J1876 J2076 0 to 3 000 psi J0478 J0578 J0678 J1198 J1478 J1878 J2078 0 to 5 000 psi J0482 J0582 J0682 J1182 J1482 J1882 J2082 GENERAL SERVICE GAUGE ć KCN 5K GU 1 Č2 2 21 Č2 31 Č2 41 Č2 ć 5WRGTD SWCNKV GEQPQOKECN RTKEG ć 2TGUUWTG TCPIGU VQ RUK Marsh Instruments General Service Steel Case...

Страница 261: ...26 J5026 J5426 J6026 J6226 J8026 J8626 J8826 J9026 0 to 15 psi J2440 J2640 J4040 J4640 J5440 J6240 J8040 J8640 J8840 J9040 0 to 30 psi J2442 J2642 J4042 J4642 J5042 J5442 J6042 J6242 J8042 J8642 J8842 J9042 0 to 60 psi J2446 J2646 J4046 J4646 J5046 J5446 J6046 J6246 J8046 J8646 J8846 J9046 0 to 100 psi J2448 J2648 J4048 J4648 J5048 J5448 J6048 J6248 J8048 J8648 J8848 J9048 0 to 160 psi J2452 J2652...

Страница 262: ...l models Consult factory for other sizes Catalog Dials psi only E See Marsh Price List for minimums bar only L1 kg cm2 only L2 kPa only L3 MPa only L4 psi bar W1 psi kg cm2 W2 psi MPa W4 Custom Dials Custom face M See Marsh Price List for minimums Window Instrument glass w ring GS F1 11 Č2 31 Č2 Consult factory for availability Acrylic F2 41 Č2 Consult factory for availability Pointer Adjustable s...

Страница 263: ...2 06 2 25 94 88 9 Č16 0 0 43 1 22 20 92 J26xx 2 0 1 Č4 UC 2 06 2 25 94 88 9 Č16 0 0 43 1 22 20 92 J40xx 21 Č2 1 Č8 LM 2 73 1 22 2 10 9 Č16 40 J46xx 21 Č2 1 Č4 LM 2 73 1 22 2 10 9 Č16 40 J50xx 21 Č2 1 Č8 CB 2 73 1 23 82 9 Č16 J54xx 21 Č2 1 Č4 CB 2 73 1 23 82 9 Č16 J60xx 21 Č2 1 Č8 UC 2 58 2 81 94 88 9 Č16 0 0 43 1 22 20 92 J62xx 21 Č2 1 Č4 UC 2 58 2 81 94 88 9 Č16 0 0 43 1 22 20 92 J80xx 31 Č2 1 Č4...

Страница 264: ...Price Sensing Range Mounting Output State Logic Connection Wiring Dimensions M18 Models regular body PNK AN 3A 22 00 8mm 0 32 in Flush NO NPN 2m axial cable Diagram 1 Figure 7 PNK AN 3H 22 00 8mm 0 32 in Flush NO NPN M12 12 mm connector Diagram 1 Figure 8 PNK AN 4A 22 00 12mm 0 47 in Non flush NO NPN 2m axial cable Diagram 1 Figure 7 PNK AN 4H 22 00 12mm 0 47 in Non flush NO NPN M12 12 mm connecto...

Страница 265: ... Off state Leakage Current For 3 wire 50µ Voltage Drop 2 5 V Switching Frequency 700Hz Flush 400Hz Non flush 300Hz 100Hz Differential Travel of Nominal Distance 3 15 Repeat Accuracy 10 Ripple NA Time Delay Before Availability tv NA Reverse Polarity Protection Yes Short circuit Protection Yes pulsed Operating Temperature 40 to 85 C 40 to 185 F Protection Degree DIN 40050 IP65 IP66 IP67 IP68 IP69K I...

Страница 266: ...31 6HULHV QGXFWLYH 3UR LPLW 6HQVRUV LPHQVLRQV mm inches LJXUH LJXUH LJXUH LJXUH LJXUH LJXUH tSEN 100 For the latest prices please check AutomationDirect com Proximity Sensors 1 8 0 0 6 3 3 0 4 0 5 ...

Страница 267: ... LJXUH LJXUH LJXUH LJXUH LJXUH LJXUH 31 6HULHV QGXFWLYH 3UR LPLW 6HQVRUV tSEN 101 For the latest prices please check AutomationDirect com Proximity Sensors 1 8 0 0 6 3 3 0 4 0 5 ...

Страница 268: ...2 ST18A7W 6 50 Mounting bracket axial 316L stainless steel For use with 18mm sensors 1 pk 0 06 27 2 5LJKW DQJOH 0RXQWLQJ UDFNHW Right angle mounting bracket for use with 18mm sensors Has two mounting holes use 4mm screws and allows the rotation of an optical axis for axial sensors Hexagonal nuts not included Accessories for 18mm Sensors Part Number Price Description Weight lb g ST18C 1 25 Mounting...

Страница 269: ...l adjustment 12mm rod mount For use with 18mm sensors Available in all 304 stainless steel or with an aluminum head and a stainless steel mounting plate Accessories for 18mm Sensors Part Number Price Description Mounting Head Mounting Plate Weight lb g OPT2116 9 50 Mounting bracket right angle swivel 360 vertical and horizontal adjustment aluminum 12mm rod mount For use with 18mm sensors Aluminum ...

Страница 270: ...ainless steel 0 98 444 52 0RXQWLQJ 5RGV 304 Stainless steel rods for mounting swivel brackets OPT2112 OPT2127 Available in three lengths 200mm 300mm and 500mm 12mm diameter LPHQVLRQV mm inches 5LJKW DQJOH 0RXQWLQJ UDFNHW Mounting bracket right angle nickel plated brass For use with 12mm mounting rods OPT2109 OPT2110 OPT2111 Accessories for 12mm Sensors Part Number Price Description Weight lb g OPT...

Страница 271: ...ormal outlet pressure setting Dimensions Valve Body Sizes Straight Angle 3 8 x 3 8 1 2 x 1 2 3 4 x 3 4 3 4 x 3 4 3 4 x 1 3 4 x 1 1 x 1 1 x 1 2UL FH DQG 0D LPXP QOHW 3UHVVXUH Pressure Size Part Number 125 psig 1 8 019 01029 001 125 psig 3 16 019 01029 002 60 psig 1 4 019 01029 003 40 psig 5 16 019 01029 035 30 psig 3 8 019 01029 004 20 psig 1 2 019 01029 005 Regulator Spring Chart Normal Range Colo...

Страница 272: ...let 2UL FH Psig 1 8 3 16 1 4 5 16 3 8 1 2 5 160 290 340 420 10 250 420 480 500 15 320 490 520 620 20 360 510 590 650 25 390 550 660 700 30 440 590 720 760 40 520 700 800 810 50 530 750 840 60 580 870 920 80 670 910 100 750 1000 Body Size Outlet 3 4 Inlet 2UL FH Psig 1 8 3 16 1 4 5 16 3 8 1 2 5 200 300 350 500 550 650 10 325 500 600 700 800 1050 15 425 650 725 900 1050 1150 20 525 725 850 1050 1200...

Страница 273: ... and Canada FM approved ISO 9001 certified European approved versions available Adjustable pressure range from 1 to 112 inches water column WC Automatic and manual reset models Ventless installation Surge protected up to 15 psi Product Numbers Table 1 Pressure Range Product Number Inches Water Column WC mbar Execution QPL31 050M00 1 to 20 2 5 to 50 Manual Reset Low QPL31 140M00 7 to 55 17 5 to 137...

Страница 274: ...e Maximum surge pressure Operating temperature 10A 125 to 250 Vac 1 3 HP 125 to 250 Vac 6 psi 400 mbar 15 psi 1 bar for 2 seconds 40 F to 140 F 40 C to 60 C Operation Range Adjustment Remove the cover to adjust the pressure cut off setting Turn the range dial clockwise to increase the pressure setting or counterclockwise to decrease the pressure setting Manual reset models If the yellow ring of th...

Страница 275: ... control can be performed by a single valve fewer gas train components and fittings are required to assemble a gas train This significantly reduces both the size and weight of the gas train The total pressure drop across the gas train arrangement is reduced allowing for the use of smaller diameter gas trains in most applications The compact SKPx5 xxxUx actuator opens slowly when powered and closes...

Страница 276: ...ionator or zero governor SKP55 xxxUx The SKP55 xxxUx actuator controls the pressure difference across a restriction in the gas supply line as a function of the pressure difference across a restriction in the air supply duct so that the air gas ratio remains constant irrespective of air volume changes There is no need for an upstream constant pressure regulator when using an SKP55 xxxUx actuator wi...

Страница 277: ...p Integral regulation leak limiter Excellent tracking characteristic Supports high burner turndown ratios such as 40 to 1 when correctly applied Turndown is dependent on variables including gas inlet pressure and use of AGA25 2 SKP55 xxxUx Safety shutͲoff function pressure regulating function and air gas P control in one compact unit Simplifies commissioning and reduces startͲup time for o Recuper...

Страница 278: ... ͲͲͲ ͲͲͲ SKP25 011U1 120 Vac භ ͲͲͲ SPDT SKP25 012U1 120 Vac භ භ SPDT SPDT SKP25 012U2 230 Vac භ භ SPDT SPDT SKP25 013U1 120 Vac ͲͲͲ ͲͲͲ ͲͲͲ SKP25 411U1 1 120 Vac භ ͲͲͲ SPDT SKP25 611U1 2 120 Vac භ ͲͲͲ SPDT SKP55 011U1 120 Vac භ ͲͲͲ SPDT SKP55 012U1 120 Vac භ භ SPDT SPDT SKP55 013U1 120 Vac ͲͲͲ ͲͲͲ ͲͲͲ SKP75 011U1 120 Vac භ ͲͲͲ SPDT SKP75 012U1 120 Vac භ භ SPDT SPDT SKP75 013U1 120 Vac ͲͲͲ ͲͲͲ ͲͲͲ ...

Страница 279: ...xxUx for Ͳ0 4 to 0 4 w c is used as proportionator or zero governor AGA29 Unpainted setpoint spring for 0 to 8 5 w c included in SKP25 0xxUx as standard AGA66 Sealing gasket to provide NEMA 3 NEMA 3R and NEMA 4 protection Gasket kit to mount SKPxx xxxUx x Placed between actuator SKPxx xxxUx and valve VGxxx xxxU or valve VRD40 xxxU x Increases degree of protection from IP54 to IP65 x Refer to Mount...

Страница 280: ...ssure regulator ANSI Z21 18 CSA 6 3 The maximum inlet pressure for the pressure regulator is dependent on the valve model Power supply Operating voltage 120 Vac 10 to Ͳ15 230 Vac 10 to Ͳ15 Operating frequency 50 to 60 Hz 6 Power consumption 13 5 VA Duty cycle Continuous 100 Operating Ambient operating temperature 14 F to 140 F 10 C to 60 C environment Permissible mounting positions 7643z07 0603 Al...

Страница 281: ...on for valve bodies See gas valve Technical Instructions for VGG10 xxxxU N7636us for VGDxx xxxU N7631us for VRD40 xxxU N7649us Connections Conduit connection Two 1 2Ͳinch NPSM threaded knockͲouts Electrical connection SpringͲloaded terminals for 14 AWG wires Gas connection 1 4 NPT see Installation notes Air connection 1 4 Rp see Installation notes Gas pressure test connection Hose barb with closeͲ...

Страница 282: ...fire load changes 4 seconds depending on valve stroke SKP55 xxxUx Differential pressure ratio 1 1 Permissible pressure differences during operation for accurate control Gas minimum 0 1 w c Gas maximum 80 w c Air minimum 0 1 w c Air maximum 80 w c Low fire bias range Ͳ0 4 to 0 4 w c Minimum distance of impulse pipe connections 3 pipe diameters before and 5 pipe diameters after any valve damper elbo...

Страница 283: ...er opening the gas valve When power to the actuator is interrupted the relief system opens and the gas valve closes in less than 0 8 seconds A position indicator visible through the transparent window of the terminal box cover shows the entire possible stroke range of the actuator A light which is visible through the lower left transparent window of the terminal box cover indicates when the actuat...

Страница 284: ... December 10 2018 Page 10 Siemens AG Building Technologies Operation continued 7643z55 0916 Figure 1 SKP15 xxxUx operation 7643z56 0916 Figure 2 SKP25 xxxUx operation 7643z57 0916 PG 1 M AIR Figure 3 SKP55 xxxUx operation 7643z58 0916 M M PC 3 PA 5 0 4 9 PG 4 Figure 4 SKP75 xxxUx operation ...

Страница 285: ...open the bypass causing the actuator piston to close the gas valve The movement of the actuator piston stops once the outlet gas pressure is equal to the setpoint In this position the bypass valve is partially open so that the oil flow supplied by the pump is identical to the return flow Unlike the conventional direct acting regulators the SKP25 xxxUx servo operated regulating system displays virt...

Страница 286: ...ng system displays virtually zero drop offset across the turndown range NOTE The SKP55 xxxUx VGxxx xxxU is a 1 1 differential pressure air gas ratio controller This means that the control adjusts the same pressure difference on the gas side as it senses on the air side Any other gas to air ratio adjustment will require a modification to one of the restrictions or the installation of an adjustable ...

Страница 287: ...by the pump is once again identical to the return flow through the regulator bypass Unlike conventional direct acting regulators the SKP75 xxxUx servo operated regulating system displays virtually zero droop offset across the turndown range The gas to air pressure ratio is adjustable from 0 4 1 to 9 1 The setting is visible through a window in the regulator Once set the gas to air pressure ratio r...

Страница 288: ...x5 xxxUx actuator has two knockͲouts for the installation of 1 2 Ͳ14 NPSM conduit connections When conduit routing is connected flexible conduit must be used Liquid tight flexible conduit must be used in combination with AGA66 to provide NEMA 3 3R and 4 protection The terminal marked GND located above the wiring terminals must be connected to the electrical ground The pressure pickͲup connections ...

Страница 289: ... regulations measures to detect and avoid a downstream overpressure situation might be required To avoid excessive gas pressure downstream of the regulator SKP25 xxxUx a maximum pressure switch shall be used to switch off the SKP25 xxxUx VGxxx xxxUx The downstream gas pressure and the gas flow will consequently be shut off The gas release downstream SKP25 xxxUx VGxxx xxxUx will be limited to the p...

Страница 290: ...e the SKP55 xxxUx actuator may be connected to the air pressure upstream of the burner and the combustion chamber pressure using the pressure differential across the burner orifice This arrangement is not applicable to installations utilizing combustion air preheating systems 3 5 4 2 1 6 7643z62us 1016 Figure 7 SKP55 xxxUx Connections and adjustments 1 Adjustment of the bias behind cap 2 Connectio...

Страница 291: ... sensing lines must be at least Ͳinch inside diameter For air gas pressure ratios over three the air and combustion pressure sensing lines must be at least 3 8Ͳinch inside diameter The SKP75 xxxUx does not work in installations with negative air pressure unless a higher negative chamber pressure is connected to the regulator NOTE Wiring must meet all relevant electrical standards 1 2 3 5 6 4 7643z...

Страница 292: ...ustment screw is located in the center of the regulator cover The SKP25 0xxUx models are available with three interchangeable setpoint springs for an adjustable range of 0 to 100 w c The SKP25 411Ux models are available with two interchangeable setpoint springs for an adjustable range of 1 5 to 20 psi The bias for the SKP25 611U1 model is adjustable from 0 4 to Ͳ 4 0 w c see Specifications and Tab...

Страница 293: ...roximately 90 capacity by opening the air damper 4 Measure the combustion values and correct the flow using the adjustable orifice until optimum values are obtained 5 Return to low fire position by closing the air damper and check the combustion values If necessary correct the working characteristic until optimum values are obtained by rotating the setting screw 1 To obtain more gas rotate clockwi...

Страница 294: ... 3 Measure CO2 or O2 content in the flue gases and correct the ratio by adjusting screw 1 until optimum values are obtained fine setting 4 Return to low fire position and measure the CO2 or O2 content in the flue gases If necessary correct the setting by adjusting screw 2 Figure 7 until optimum values are obtained 5 Limit the damper position for low fire operation If considerable bias adjustment w...

Страница 295: ... switch adjustment See Terminal designations The actuator is equipped with springͲloaded terminals for 14 AWG wires The actuator has two line and two neutral terminals Both can be connected to other devices Insert one wire into the opening of the terminal while pressing the lever downward with a screwdriver Make sure that all strands insert into the opening Adjust the auxiliary switch if provided ...

Страница 296: ...ologies Terminal SKPx5 011U SKPx5 012U SKPx5 013U designations 7643z65us 0217 4A 250V 7643z66us 0217 4A 250V 7643z67us 1116 Figure 13 Terminal designations Dimensions Dimensions in inches millimeters mm in brackets SKP15 xxxUx 3 82 97 1 2 14 NPSM 2 16 55 3 20 81 7 40 188 3 15 80 3 43 square 87 7643m39us 1016 Figure 14 SKP15 xxxUx dimensions ...

Страница 297: ...logies Page 23 Dimensions continued Dimensions in inches millimeters mm in brackets SKP25 0xxUx 1 4 Rp Female 3 43 Square 87 7 87 200 8 70 221 3 78 96 1 30 33 1 03 26 1 2 14 NPSM 2 16 55 3 20 81 Pressure test port 0 35 8 5 o d 1 4 18 NPT Female 1 14 36 6 61 168 3 82 97 7 95 202 3 15 80 7643m40us 0717 Figure 15 SKP25 0xxUx dimensions ...

Страница 298: ...ng Technologies Dimensions continued Dimensions in inches millimeters mm in brackets SKP25 4xxUx 1 4 Female 8 15 207 8 70 221 3 43 Square 87 2 84 72 1 30 33 0 99 25 1 2 14 NPSM 2 16 55 3 20 81 4 14 105 Pressure test port 0 35 8 5 o d 1 4 18 NPT Female 6 61 168 3 15 80 7 95 202 3 82 97 7643m41us 1016 Figure 16 SKP25 4xxUx dimensions ...

Страница 299: ...s continued Dimensions in inches millimeters mm in brackets SKP55 xxxUx 1 4 Female 9 17 233 8 15 207 3 43 Square 87 3 66 93 2 28 58 1 30 33 0 98 25 1 2 14 NPSM 2 16 55 3 20 81 4 96 126 1 4 18 NPT Female Pressure test port 0 35 8 5 o d 3 15 80 1 41 36 6 61 168 3 82 97 7 95 202 1 4 18 NPT Female 0 98 25 0 98 25 7643m42us 1016 Figure 17 SKP55 xxxUx dimensions ...

Страница 300: ...our feedback is important to us If you have comments about this document please send them to techsupport SCCcombustion com Document No CC1N7643us Country of Origin DE Information in this publication is based on current specifications The company reserves the right to make changes in specifications and models as design improvements are introduced Other product or company names mentioned herein may ...

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