Farm Fans C-2125A Operator'S Manual Download | Manualshive

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Summary of Contents for C-2125A

Page 1: ... 2125A C 2130 C 2140A GRAIN DRYERS fAR fANS Division of ffi CORPORATION 5900 ELMWOOD AVE INDIANAPOLIS IN 46203 1992 ffi CORPORATION Printed in U S A C21A 01 2 Revised 8 92 ...

Page 2: ...AKE CERTAIN TO THOROUGHLY INSTRUCT ALL OPERATORS IN THE PROPER USE AND SERVICE OF THIS EQUIPMENT Take special note of the Operating Precautions listed on page ii before attempting to operate the dryer Keep the dryer clean Do not allow fine material to accumulate in the plenum chamber A CAREFUL OPERATOR IS THE BEST INSURANCE AGAINST AN ACCIDENT WARRANTY ffi Corporation warrants its products to be f...

Page 3: ...witches 3 1 Main Safety Gas Shut Off Valve 3 1 Burner Switches 3 1 Plenum Temperature Controls 3 2 Load Auger Switch 3 3 Load Top Auger Timer 3 3 Unload Auger Switch 3 3 Heater Parts Removal and Installation 7 7 Grain and Plenum Temperature Sensor Locations 7 8 SCR Drive and Meter Roll Information 7 9 Meter Roll Blockage 7 9 How To Determine Metering Problem 7 10 To Locate The Jam 7 10 To Clear Ja...

Page 4: ...rs are matched to dryer auger switch to OFF and lock it in the OFF position capacities using a padlock before performing any service or maintenance work on the dryer or the auxiliary 13 Do not operate in an area where conveyor equipment combustible material will be drawn into the fan 6 Before attempting to remove and reinstall the propeller make certain to read recommended 14 The operating and saf...

Page 5: ...rs with full electric ignition Electronic temper ature control for precise drying heat Stainless steel burner on upper fan of C 2140A models AUGERS Automatically controlled top leveling augers with power circuit for simultaneous operation of auxiliary loading conveyor Bottom auger unloads grain discharged from metering rolls Power circuits for loading and take away conveyors are standard Heavy dut...

Page 6: ...HP S Dia 5 HP S Dia 7 5 HP Capacity Maximum Rate2 1220 Bu Hour 1350 Bu lHour 1760 BU Hour Meter Roll Drive 3 4 HP SCR 3 4 HP SCR 3 4 HP SCR Electric Load fans top btm auger 3 Single Phase 230V 180 Amps NA NA Three Phase 230V 100 Amps 12S Amps 146 Amps Three Phase 460V 50 Amps 64 Amps 73 Amps Drying Capacity Shelled Corn Dry Cool 25 15 300 BPH 350 BPH 455 BPH Dry Cool 20 15 505 BPH 595 BPH 774 BPH ...

Page 7: ...2 3 6 1 318 18 4 1 112 Bottom Auger C 2125A 8 1220 2 3 1750 BX 93 2 50 15 48 2 8 1 118 10 4 1 1 4 C 2130A 8 1350 2 5 1750 BX 93 2 50 15 48 3 6 1 1 8 12 4 1 114 C 2140A 8 1760 2 7 5 1750 BX 93 2 50 25 48 3 2 1 3 8 13 4 1 1 4 1 Dryer auger capacities and power requirements vary with grain moisture content and amount of fine material in grain 2 This BuJHr listing represents the maximum meter roll dis...

Page 8: ...302 8 230V DC MOTOR PART NO 002 1192 0 002 1192 0 002 1192 0 HORSEPOWER SET RPM 3 4 hp 1600 rpm 3 4 hp 1600 rpm 3 4 hp 1600 rpm TYPE SW SW SW SET VOLTAGE ARM 155 155 155 FULL LOAD AMPS ARM 3 9 3 9 3 9 MOTOR SHEAVE PITCH DIA 3 0 3 0 3 0 NO AND BORE AK32H H S 8 AK32H H 5 8 AK32H H S 8 GEARBOX PART NO RATIO 017 1393 2 50 1 017 1393 2 50 1 017 1403 9 50 1 GEARBOX DRIVE INPUT SHEAVE PITCH DIA 5 7 5 7 5...

Page 9: ...s fuel installation regulations or insurance requirements Do not operate in an area where combustible material can be drawn into the fans Maintain the required minimum distance from other structures Refer to Fig 1 1 for dryer dimensions FILLING POINT Wet grain must enter the dryer at the hopper at the rear end of the top auger since the top auger moves grain forward toward the paddle switch contro...

Page 10: ...dryer prepare a level secure foundation with provisions for dryer tie down NOTE If the dryer is to be equipped with an optional Heat Reclaimer Package also refer to instructions included with the Heat Reclaimer Heat Reclaimers for C 2100A dryers include special dryer support structures which are intended for a conventional flat type concrete foundation DRYER PREPARATION 1 Remove Parts Remove hoppe...

Page 11: ... heavy hydrocarbons from long use on a vapor withdrawal system NATURAL GAS NG GAS VOLUME AND PRESSURE The dryer is designed to operate on natural gas having a heat value of about 1 000 BTU per cubic foot The dryer is equipped with a natural gas supply pipe system connected to the heater solenoid valves A regulated pressure of 8 to 10 PSI must be provided at the connection to the dryer with gas ava...

Page 12: ...1 2 1 2 Propane LP Heater Orifice Drill Size 281 218 344 250 500 250 Operating Pressure Range PSI 5 22 5 22 3 8 5 22 Heater Pressure Gauge Total Max Fuel Flow Thou 4 6 2 3 6 0 3 0 7 5 3 0 Cubic Ft lHr Minimum Pressure at Connection 8 8 8 to Dryer PSI Natural Gas Recommended Minimum Line Size 2 2 2 5 N 100 Dist Heater Orifice Drill Size 438 312 500 375 625 375 Operating Pressure Range PSI 3 8 3 8 3...

Page 13: ...trol panel OVERLOAD RELAYS Most overload relays are adjustable from 85 to 115 of normal load in amperes by an adjustment knob in each relay see Overload Relay Heater specs in Figs 2 4 to 2 6 Dryers are shipped with overload relay heater elements installed for the auxilliary conveyor motor sizes as listed in Figs 2 4 to 2 6 If different motors are used the heater elements must be changed to provide...

Page 14: ...8 0 Circuit Breaker 1 PH 230V Top 100 80 80 2 Rating amps Btm 80 3 PH 230V Top 90 60 60 2 Btm 60 3 PH 460V Top 50 30 30 2 Btm 50 1 The motor current and maximum dryer running loads listed are based upon 7 5 HP auxiliary conveyor motors The maximum size motor which can be powered directly through the dryer ASC control is 10 HP 3 Phase 230V All larger than maximum auxiliary conveyor motors require s...

Page 15: ...ps Btm 60 3 PH 460V Top 50 50 50 2 Btm 50 1 The motor current and maximum dryer running loads listed are based upon 10 HP auxiliary conveyor motors The maximum size motor which c n be powered directly through the dryer ASC control is 15 HP 3 Phase 230V All larger than maximum auxiliary conveyor motors require separate contactors and overload protectors with coil circuits connected to the dryer for...

Page 16: ...mps Btm 60 3 PH 460V Top 50 50 50 2 Btm 50 1 The motor current and maximum dryer running loads listed are based upon 10 HP auxiliary conveyor motors The maximum size motor which can be powered directly through the dryer ASC control is 15 HP 3 Phase 230V All larger than maximum auxiliary conveyor motors require separate contactors and overload protectors with coil circuits connected to the dryer fo...

Page 17: ...en its solenoid is de energized or when the lever is rotated to the closed position An open and shut indicator is provided on the side of the Main Safety Shut off valve An orange indicating bar aligns itseH with the words open or shut See Fig 6 2 BURNER SWITCHES The group of BURNER switches controls the UPPER and LOWER burners Each burner switch has a red light to indicate a LOCKOUT condition Each...

Page 18: ... gas models the Hi Fire gas pressure is controlled by adjusting the large Manual Shut off valve within the line which supplies the fan heater For maximum heat set the shut off valve to provide approx 8 PSI of pressure WHILE BURNER IS OPERATING ON HI FIRE For max pressure see Fig 2 3 Fuel System SpeCifications maximum listing for Natural Gas Oper ating Pressure Range LO FIRE The Lo Fire gas pressur...

Page 19: ...ng bin If due to inadequate wet grain supply the load auger runs longer than a normal refill time the Load Timer causes a dryer shutdown The Load Timer located within the ASC control box is an automatic reset type timer The _ LOW GRAIN shutdown indicator will light whenever a shutdown is caused by the Load Timer TIMER SETIING To set the Load Timer observe the normal time required to fill the wet b...

Page 20: ... readng VARITROL MOISTURE CONTROL The Vari Trol Moisture Control works on the principle that grain moisture and grain temperature are closely related Monitoring grain temperature combined with manual testing of the grain s final moisture content will allow the operator to determine the proper temperature moisture relationship Using the digital display temperature control assembly on the ASC panel ...

Page 21: ...tdown period the dryer should be operated in the MANUAL mode until the newly dried grain has passed the RTD grain sensor 2 3 of the grain pass time and the grain temperature has stabilized before switching to the AUTOMATIC mode The Moisture Control setpoint should not require readjustment DRYER OPERATOR LIGHT LIGHT OPERATION The dryer operator light is designed to act as either a dryer monitor Sig...

Page 22: ...trol box The monitor is active whenever the Unload Auger switch is in the AUTO position If the Monitor fails to see a change either opening or closing in the Proximity Switch signal within three minutes the safety circuit will be broken and the dryer will automatically shut down The Monitor resets automatically when the control start button is pushed SHUTDOWN INDICATORS LIGHT OPERATION The Shutdow...

Page 23: ...ssed the problem should be isolated to the Safety Shutdown Circuit Verify that the safety shutdown unit is not operating properly Refer to TROUBLESHOOTING and Fig 8 4 schematic for additional information C The reason the dryer may now restart is that holding the button depressed acts to bypass the various safety devices within the circuit of the dryer CAUTION Do not attempt to place the dryer back...

Page 24: ... the unload auger as shown in Fig 3 4 The individual fast trip doors allow easy cleanout of accumulated materials LEVER IN LOCKED POSITION TO FAST DUMP CRAll SIMPLY SWING CLOSURE DOOR LEVmS txMlWARD TO CLOSE SWING EACH CLOSURE DOOR CLOSED AND PULL ITS IW I J VERS UPWARD TO mE LOCUD POSITION CLOSURE DOOR CLOSED CLOStlRE DOOR oPDr SlI Ml WIDE OPEl I XJLI NORHALLY BE HANGING VDlTICALLY LEVER IN OPEl ...

Page 25: ...eaks Open the main fuel supply valve to allow fuel flow to the electrically operated Main Safety Gas Shut off Valve Note Open the supply valve slowly to prevent accidental closing of the excess flow valve within supply system Proceed only atter all fuel leaks have been corrected 4 Turn on all circuit breakers located in the PSC power box 5 Start dryer control circuit Push the control START button ...

Page 26: ...afety Gas Shut off valve With the control circuit activated green light ON manually operate the lever on the main safety gas shut off valve to turn the fuel ON Inspect all fuel lines and connections for possible leaks ANY GAS LEAKS MUST BE CORRECTED 11 Starting fan and firing burner Individually start Upper and Lower Fans Observe the number of seconds for each fan motor to reach FULL RPM With prop...

Page 27: ...he unload rate will not exceed 100 13 Check safety shutdown devices A Meter roll monitor Start dryer control circuit and turn Unload Auger Switch to ON position Meter Roll Selector Switch to MANUAL and set Unload Rate to minimum setting Allow unload to operate for approximately 5 minutes No shut down should occur Set Unload Rate to 100 for at least 15 seconds then position the Meter Roll Selector ...

Page 28: ...tor Switch to MANUAL Lift the cover on the discharge auger approximately one inch The dryer should immediately shut down however no monitor indicator will be energized 14 Stop dryer operation Push the STOP button All fans burners and augers should immediately stop operating as the button is depressed With the dryer properly functioning as described in the previous steps the unit can be considered ...

Page 29: ...y FULL HEAT DRYING FULL HEAT OPERATION With this type of drying the grain is discharged hot with no cooling Drying capacity is substantially higher with FULL HEAT than the DRY AND COOL process Refer to FULL HEAT heading in the CONTINUOUS FLOW DRYING CHARTS in Figs 5 4 to 5 6 for additional information concerning dryer capacity and settings DRYERATION PROCESS The full heat process is called Dryerat...

Page 30: ...burner is to be shut down for several hours or more it is recommended that pressure be relieved on the vaporizer and supply lines by first closing the valve at the supply tank then letting the burner operate until flame stops from lack of fuel immediately tum burner OFF After the burner is OFF close all other valves in the fuel supply piping SHUTDOWN To stop the dryer push control circuit STOP but...

Page 31: ...n FIG 5 1 DRYING TIME TABLE C 2125A Approximate Drying Time Minutes 1 Required Moisture Reduction DRYING PROCESS 2 4 5 6 8 10 12 14 16 18 20 SHELLED CORN to 15 DRY AND COOL 210 F avg temp 18 29 35 40 51 63 79 98 124 156 SHELLED CORN to 15 FULL HEAT bin cooled 17 final 16 27 32 36 45 57 72 90 114 143 176 moisture in dryer 210 F avg temp WHEAT MILO to 13 DRY COOL 155 F avg temp 22 35 41 47 59 72 91 ...

Page 32: ...ROUGH RICE to 13 DRY COOL l30 F avg temp 21 33 39 45 56 68 86 108 1 Actual drying time is variable with grain s physiological factors kernel size chemical composition seed variety seasonal weather weather conditions during drying and other operating variables lower final moisture content Significantly increases drying time moisture contents are WET basis Basic definition Bushels Shelled Com 56lbs ...

Page 33: ...the normal operating temperature for a period of 1 4 the drying time 8 Reduce the plenum temperature setting on the lower bumer to its normal operating temperature 9 Tum the Unload Auger to ON the Meter Roll Selector Switch to MANUAL and adjust the Unload Rate as Indicated in the Unload Rates of Figs 5 4 to 5 6 to achieve the required drying time for FULL HEAT operation NOTE During initial start u...

Page 34: ...5 311 84 16 197 24 296 88 15 188 23 282 92 15 180 22 270 40 488 45 549 50 610 55 671 60 0 732 65 793 96 14 173 21 259 70 854 100 14 166 20 248 75 915 104 13 159 20 239 80 976 108 13 153 19 230 85 1037 112 12 148 18 222 90 1098 95 1159 1 See Drying TIme Table in Fig 5 1 for estimated drying time for various grain drying 100 1220 processes and moisture reductions 2 Approx drying capacities are shown...

Page 35: ...25 345 84 16 219 24 329 88 15 209 23 314 40 540 45 607 50 675 55 742 60 810 92 15 200 22 300 65 877 96 14 192 21 288 70 945 100 14 184 20 276 75 1012 104 13 177 20 265 80 1080 108 13 170 19 256 85 1147 112 12 164 18 246 90 1215 95 1282 1 See Drying lime Table in Fig 5 2 for estimated drying time for various grain drying 100 1350 processes and moisture reductions 2 Approx drying capacities are show...

Page 36: ...7 299 25 449 84 16 285 24 427 88 15 272 23 408 92 15 260 22 390 45 792 50 880 55 968 60 1056 65 1144 70 1232 96 14 249 21 374 75 1320 100 14 239 20 359 80 1408 104 13 230 20 345 85 1496 108 13 221 19 332 90 1584 112 12 214 18 320 95 1672 100 1760 1 See Drying lime Table in Fig 5 2 for estimated drying time for various grain drying processes and moisture reductions 2 Approx drying capacities are sh...

Page 37: ...Fan Heater Access Door Main Safety Gas Shutoff Valve Liquid Fuel Connection Fig 6 1 Typical C 2100A Series dryer LP model shown 9902 15 Fig 6 2 LP model fuel shutoff 289 1 12 ILLUSTRATIONS 6 1 ...

Page 38: ...ol Box Fuel Strainer f Fan Heater Access Door Fig 6 3 LP fuel supply components 9902 4 Fig 6 4 Gas flow control and solenoid valves 10871 27 ILLUSTRATIONS 6 2 Vaporizer Adjustment Plate See Section 7 for Adjustment Details Liquid Solenoid Valve Hi Fire Solenoid ...

Page 39: ...pply 1087 1 14 PL 021 BURNER CONTROL BOARD BUrner Control Relay Fig 6 6 Fan Heater control box typical 1087 1 25 ILLUSTRATIONS 6 3 Manual Shutoff Valve Use to Adjust Hi Fire Gas Pressure Purgeilockout TIme Delay Relay 5 Amp Fuses 2 Hidden ...

Page 40: ...r Lower Fan Controls Shut Down Indicator Ughts Fig 6 7 ASC control panel 9902 21 Load Monitor n i U3 Assemblies Armature Fuse 5A Fig 6 8 ASC control panel internal view ILLUSTRATIONS 6 4 Upper Lower Burner Controls Plenum Temperature Controls 8901 19 Dryer Operator Ught Control SCR Overload Relay ...

Page 41: ...lock SCRLin Fuses 10A Control Fuse SA __ _ _ ME1ER ROLL CONTROL Fig 6 9 Vari Trol moisture control detail 9902 021 Magnetic Fig 6 10 Typical 3 phase power panel 9902 19 ILLUSTRATIONS 6 5 Moisture Controiler Assembly Grain Temp ...

Page 42: ...ion Fig 6 11 Bottom auger drive components 690 3 4 Crossover Chain To Avoid Misaligning Speed Jack Bearings Loosen Drive Belts Before Adjusting Chain Tension El t i l HF ger Meter Rolls Have Sealed Bearings Do Not Require Relubrication Drive Chain Adjust to Provide 1 2 inch Tolal Deflection Speed Jack Assembly Retaining Bolts Retighten Securely after Adjusting Chain Tension Fig 6 12 Auger drive an...

Page 43: ...Fig 6 13 SCR meter roll drive 690 3 2 Retension Drive Belt after First Few Hours of Initial Operation Check Periodically Thereafter Fig 6 14 SCR motor and gearbox belt drive 690 3 6 ILLUSTRATIONS 6 7 ...

Page 44: ... drying season or 2500 hrs thereafter using an AGMA 8 gear lubricant For cold ambient temp conditions 160 to 500 F use AGMA 7 gear lubricant Fig 6 15 SCR gearbox and meter roll drive arrangement C 2125A and C 2130A models 690 3 1 Initially Filled with Synthetic Oil See Servicing ___ Section for Relube Recommendations 40 Drive Chain Adjust to Provide 1 4 to 1 2 Inch Total Deflection Oil Level Plug ...

Page 45: ...I R _____ IMMEDIATELY ABOVE THE METER ROLL THIS PERMITS rF OPENING OF THE METER ROLL ACCESS DOOR FOR SERVICE OR INSPECTION WITHOUT UNLOADING DRYER THE PLENUM BOTTOM CLOSURE PANEL METER ROLL ADJUST DAMPER MUST BE REMOVED PRIOR TO USING SERVICE TOOL fARM fANS BNC tNQIANAPOLIS tNOIAN COLUMN CUT OFF DAMPER A23 l60 Fig 6 18 Grain column cut off damper decal showing installation ILLUSTRATIONS 6 9 ...

Page 46: ...PORTANT KEEP INSIDE OF DRYER CLEANI DO NOT ALLOW CHAFF AND OTHER COMBUSTIBLE MATERIAL TO ACCUMULATE WITHIN AIR PLENUM CHAMBER MAKE CERTAIN TO TURN OFF AND LOCK OUT THE MAIN POWER SUPPLY BEFORE ENTERING DRYER Fig 6 19 Typical lower air plenum 690 1 11a ILLUSTRATIONS 6 10 ...

Page 47: ...very two to three seasons If the unit is operated continuously through most of the year this service should be performed each year NOTE If on site bearing relubrication is to be performed use CHEVRON SR1 2 high tempera ture grease or a compatible equivalent product To keep motor bearings properly lubricated and dispel any accumulation of moisture within the windings the fan and auger motors should...

Page 48: ... Control wiring diagram In Fig 8 5 NOTE Power is available to a fan circuit s burner control ONLY WHEN THE FAN IS OPERATING 1 When the fan is started and the burner switch is ON power is supplied to PL 021 Burner Control Board terminals 2 and T thereby energizing the Purge Lockout time delay relay This causes a 15 to 30 second delay to the ignition while the system is purged of any accumulated gas...

Page 49: ...haust end of the fan heater unit Insecure mounting of either the vaporizer or the burner due to loosened bolts can cause interference between burner vanes and vaporizer pipes with the natural vibration of the unit causing erosion of the pipe metal at the point of maintained contact Such contact also depends on adjustment of the vaporizer toward or away from the burner If there is contact between b...

Page 50: ...t is very simple and obvious it is essential that the following points be read carefully and fully understood as improper installation can result in serious or fatal injury caused by a loose flying propeller THREADED BUSHING HOLES the threaded holes within the bushing are provided for disassembly purposes only See Fig 7 3 Do not attempt to use these holes for reassembly as they will not allow the ...

Page 51: ...rts are marked with two small punch dots to identify their original alignment position propeller hub punch dots are near bushing keyway Observe bushing and propeller to make sure they have alignment marks Mark the alignment of the propeller and bushing if required INSTALLATION 1 Carefully clean the motor shaft key bushing and bore of propeller MAKE SURE MAIN POWER IS LOCKED OUT and that shaft and ...

Page 52: ... and turn the capscrews in by hand as far as possible 7 Use an INCH POUNDS torque wrench and GRADUALLY TIGHTEN the capscrews 1 4 turn at a time until the taper bushing becomes fully seated Refer to the following chart for the recommended capscrew tightening torques DO NOT EXCESSIVELY OVERTIGHTEN THE BUSHING See Fig 7 4 FIG 7 5 BROWNING TAPER LOCK BUSHING BOLT TIGHTENING TORQUES Bushing Size Bolt D...

Page 53: ...ng the obvious mounting parts The following list provides information and procedures for some of the more important components 1 FLAME SWITCH For removal disconnect the two slip on connectors and unscrew flame switch from its mounting bracket Make sure to use a wrench DO NOT ATTEMPT TO TURN BY TWISTING THE TERMINALS AS IT MAY RUIN THE SWITCH For installation finger tighten only 1o not use a wrench...

Page 54: ...ssembly procedure noting the following special pOints A Make sure all parts are thoroughly cleaned and free of obstruction B Use a dependable brand of high temperature pipe caulking compound when assembling gas connections Apply only a slight coating onto MALE threaded end of fittings C Solenoid valves and gas regulator are directional and must be properly installed Do not try to connect gas solen...

Page 55: ...rbox is initially filled with a Union Carbide synthetic lubricant which has an operating temperature range of minus 40 F to 250 F If after prolonged usage the unit requires additional lubricant due to leaks or repair drain and flush with solvent Then refill unit with 1 05 pts of FF part no 069 1132 5 oil Mobil SHC634 or equivalent lubricant C 2125A C 2130A models only Although the gearbox requires...

Page 56: ...e certain power is OFF and locked out Loosen the chain tightener and remove the crossover chain CAUTION Keep hands away from sprocket teeth to avoid injury from chain backlash as a result of any torsional buildup in the system as caused by the jam With crossover chain removed place a pipe wrench on the sprocket hub of the jammed meter roll and attempt to turn the meter roll Rotate backward and the...

Page 57: ...OR CONTROL ASSEMBLY 415 2302 8 J 6101010 1010101 CONTROL VOLTAGE _ 1 JUMPER SET TO 0 10 VDC F1 FUSE 15 AMP 250VABC 15 SET MIN ___ ilel MAX POTS I S I SEE TEXT 1eI IR POT PRESET AT FACTORY ARMATURE VOLTAGE JUMPER POSITION l80V TORQUE SWITCH SETIING 3 4 HP MOTOR ON l J OFF ABeD Fig 7 7 Woods seR motor control board and settings SERVICE 7 11 C o WOODS DRW SUPPLY VOLTAGE CONNECTION 230V ...

Page 58: ...SERVICE 7 12 ...

Page 59: ...I l 2 26 ___ X I 2 27 _______ o V J L__ _ 220 VAC SCR IIIRING UNLOAD AUGER OVERLOAD 3HOL 215 235 232 I HTR UPPER FAN MOTOR LOIIER FAN MOTOR UNLOAD AUGER MOTOR AUX UNLOAD MOTOR CONTROL TRANSFORMER LOAD AUGER HOTOR AUX LOAD AUGER MOTOR Fig 8 1 Power circuit 1 phase C 2125A models 40 00800 WIRING DIAGRAMS 8 1 ...

Page 60: ...ONTACTOR OVERLOAD I 242 2M f 2 2 6____ 2M 1 0 L 20 4 _ I I I II 1 2 2 7____ X _ f 3 2 30 L ___ J 2GB 220 VAC SCR IRING 440 VAC SGR IRING 440 VAG 60 Hz III rv v Y t2J5 220 VAC 60 Hz III UPPER FAN MOTOR LO ER FAN MOTOR SCR TRANSFORMER 234 23 232 33 Power circuit 3 phase models AUX UNLOAD AUGER OVERLOAD 2343HOL AUX 220 4D 0080A WIRING DIAGRAMS 8 2 UNLOAD AUGER MOTOR AUX UNLOAD MOTOR CONTROL TRANSFORM...

Page 61: ...OR CONNECTIONS STOP START 035 3 2 2M 3PB 13 4PB L ___ _ 2H AUX AN O 32 32 LOVER BURNER DF N 85 86 G 3 03SS CD 4 CUSTOMER TAKE AVAY EQU PMENT RUNNING UNLOAD OF N 27 O o 4SS 3 TOP AUGER FILL SWITCH PADDLE SWITCH 27STOP SlInCH 41 27 221 ILS RED 4H AUX 44 Fig 8 3a General control circuit p 1 of 2 40 00808 WIRING DIAGRAMS 8 3 2 OPERATOR LIGHT 2 POVER RELAY 205 206 POIIER ON GAS SHUT OFF VALVE FAN CaNTA...

Page 62: ...oIEMPERATURE 3M AUX SCR MOTOR CONTROL 61 r l 71 302 GRD GRN o I Ll 153 LINE 108 lOA 2fU SEE SHT Hl 62 _ 230V l 3 f U B L UE ____6 3 i _ 6 F B L U E F2 r A2 1 f 4A1 I AUTO RANGE rFARTHEST CV MODULE TERMINAL _r 17 __ r 04 8 177 2 r15 6__ 103 70f7 3____ 10 0 1 50 7__ 102 6 K D C erlR r_ _ r S 4__ T ___ 0T17 4 J D 181fTROL I I FARTHEST CCV L ________ J TERMINAL NOTES 1 ON DUAL VOLTAGE MOTORS VITH 4 rt...

Page 63: ...4MOL DISCHARGE 13 SHUT OFF 12 SCR 4MOL SAFETY CIRCUIT TOP FAN 1HOL LOWER FAN 2HOL MONITOR 2 QI 4 2 3 80 liLT II c R UPPER lOlT P UH H GH 3 4 8 1_ R 9LT AIN 4 5 87 R 8lT c ASCM L i L 9 4 P SAFETY CIRCUIT BURNER HI LIMIT MONITOR 1_2 9 0_____ R LOWER P NUM GH 2 3 0 9 1_ 8lT 232 2 2 9l T UPPER BURNER OCKOU 2 3 40 92 ______ i R LOWER BURNER lOlT OCKOU Fig 8 4 Safety shutdown circuit 4D OOSOC WIRING DIA...

Page 64: ... NOTE 2 BURNER SVITCH CIRCUIT 22 BURNER HI LIMIT THERMOSTAT 21 T 10 THERMOSTAT BURNER CONTROL LOCK OUT CIRCUIT NOTES 1 SIMPLlfIED CIRCUIT SHOVN DIFfERS SLlGHTLY FROM ACTUAL BOARD CIRCUIT TERMINAL NO 6 IS FOR FACTORY PURPOSES ONLY AND IS NOT SHOVN 2 TIME DELAY RELAY DEVICE HAS A SPECIAL HEATER CONSTRUCTION VHEN ENERGIZED IT CAUSES LOCATION OF 115V SAFETY CIRCUIT VIRES VITHIN 230V CONTROL CIRCUlT I ...

Page 65: ...CKOUT PROCEDURE and INFORMATION Control Circuit 1 POWER SUPPLY Check that MAIN POWER SUPPLY and CIRCUIT Not Energized BREAKERS are turned ON Also check for a tripped circuit breaker Shutdown 2 FUSES Check for blown safety circuit fuse s See appropriate POWER Indicator Lights CIRCUIT diagram for location and number used OFF 3 OVERLOAD RELAY Check for tripped overload relay 4 STOP OR START SWITCHES ...

Page 66: ...ing may cause the burner hi limit to trip open PLENUM HI LIMIT LIGHTS Upper Lower Auto resets after cooling Indicates Plenum high limit switch has reached 300 F for the following possible reasons a Plenum temperature set too high or blocked air flow within dryer perforations b Minimum gas pressure setting is too high c Plenum controller failed d Plenum RTD sensor failed e Plenum High Limit switch ...

Page 67: ...ITCH is set to ON or AUTO position 2 Check position of upper auger paddle its switch box paddle must be down with switch box horizontal to start auger Paddle should rotate freely without sticking 3 Inspect for secure mounting and wiring of mercury switches in terminal box on top auger paddle switch shaft Include check for defective mercury switch When calling for grain both mercury switches should...

Page 68: ... terminals 1 and 3 for 10V DC Check SCR board terminals 2 and 3 for 1 10V DC varying with speed setting with Meter Roll Selector Switch in manual If no voltage or voltage does not vary check SCR speed control pot on ASC panel or wiring to pot 5 Turn SCR speed pot fully clockwise check DC voltage between ARM A1 and A2 terminals on SCR board Voltage should increase from near 10V DC to 155V DC as spe...

Page 69: ... and continue to observe the meter When burner first comes ON with a cold flame switch the voltmeter should indicate 230 volts After the flame switch becomes HOT and opens its contacts the meter should read ZERO After the burner fires the flame switch should OPEN within approximately 15 seconds or less If burner shuts down without the meter indicating that the contact points have opened it indicat...

Page 70: ...plenum temperatures 3 If burner continues to operate on Hi Fire check the Hi Fire gas solenoid valve for a stuck or blocked open condition or for reversed gas pipe connections THE SOLENOID VALVE MUST NOT ALLOW GAS FLOW WHEN ITS COIL IS NOT ENERGIZED 1 Make sure the flow control valve is not set completely closed Valve must be adjusted open to provide the proper Lo Fire gas pressure listed in manua...

Page 71: ...essage 3 IN1FAIL Error Message SHORTED SENSOR CIRCUIT Disconnect sensor leads form terminal strip Using a YOM tester test the sensor leads for approx 100 n resistance at 32 F If test indicates a SHORTED condition trace wires back to the sensor and repeat the test Replace defective sensor or correct the wiring problem as required OPEN SENSOR Disconnect sensor leads from terminal strip Using a YOM t...

Page 72: ...fAR fANS Division of ffi CORPORATION 5900 ELMWOOD AVE INDIANAPOLIS IN 46203 1992 ffi CORPORATION Printed in U S A ...

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