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61

B. BURNER IGNITION

Introduction

The heart of the ADG-464’s burner control section is a burner controller module. It is located on the upper right
hand side of the Main Electrical Enclosure panel and is described in detail in

Section VI, Part D, Gas Burner

and Ignition System

on

page 37 thru page 45

).

As noted below the burner ignition section of the ADG-464 comprises a number of safety devices that have to be
satisfied prior to burner ignition. Messages have been provided to aid one in isolating a specific area, however
knowledge of the system is required to troubleshoot it.

The following information will provide means to respond to “Burner Fault Messages” and to verify

ALL

the

signals necessary for BURNER IGNITION.

Burner Controller Input Signal Components

• AC POWER TO THE BURNER CONTROLLER
• PLC (Programmable Logic Controller) OUT 4 “HEAT ON”
• FUSE 15
• BURNER DOOR SWITCHES DSA4-A and DSA-B
• LOAD DOOR SWITCH DS1B
• UNLOAD DOOR SWITCH DS2-B
• BURNER FAN AIR PRESSURE SWITCH PRS2
• GAS HI PRESSURE and GAS LO PRESSURE SWITCHES PRS1 & PRS2
• LINT CHAMBER AIR PRESSURE SWITCH
• SIX (6) CHANNEL HIGH TEMPERATURE LIMIT SWITCH
• STOP MOTION DETECTOR RELAY CONTACT SMD NO
• FLAME DETECTOR PROBE
• BURNER CHASSIS GROUND

1. Burner Section Input Circuit Component Description

NOTE

: Refer to ADG-464 Ladder Diagram for reference.

• AC POWER TO THE BURNER CONTROLLER

110 VAC power is supplied to the burner controller module PIN #1 through “FUSE 6.” Power is applied
to this point when “MCR” (motor control relay) is closed.

• PLC (Programmable Logic Controller) OUT “HEAT ON”

When this 110 VAC signal is asserted, a number of safety interlocks

must be

satisfied, before any burner

ignition can take place. This signal is derived from the PLC OUTPUT #4 and is fused.

• FUSE 15

This fuse is located on the upper left hand section of the Main Electrical Enclosure Panel, with the other
PLC output fuses. Its function is to protect PLC (Programmable Logic Controller) output.

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Содержание ADG-464

Страница 1: ...If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier AVERTISSEMENT Assurez vous de bien suivre les instructions données dans cette notice pour réduire au minimum le risque d incendie ou d explosion ou pour éviter tout dommage matériel toute blessure ou la mort Ne pas entreposer ni utili...

Страница 2: ...his manual as complete as possible and hope you will find it useful ADC reserves the right to make changes from time to time without notice or obligation in prices specifications colors and material and to change or discontinue models The illustrations included in this manual may not depict your particular dryer exactly Important For your convenience log the following information DATE OF PURCHASE_...

Страница 3: ...F NEAR DRYERS IN OPERATION DRYERS SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION CAUTION FOR YOUR SAFETY DO NOT DRY MOP HEADS IN THE DRYER DO NOT USE DRYER IN THE PRESENCE OF DRY CLEANING FUMES WARNING UNDER NO CIRCUMSTANCES should the door switch or the heat circuit devices ever be disabled Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improper...

Страница 4: ...d on the equipment or specified in the installation operator s manual included with the dryer Dryers must not be installed or stored in an area where it will be exposed to water or weather The wiring diagram for the dryer is located in the front electrical control box area DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER SCREEN IN PLACE EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM IS USED WARNIN...

Страница 5: ... Internal Air Electrical and Water Connections 12 D External Supply Connections 19 E Electrical Requirements 22 F Fresh Air Supply Requirements 25 SECTION IV Pre Start up 26 A Preparation for Operation 26 SECTION V Routine Maintenance 27 A Cleaning 27 SECTION VI Component System Descriptions 29 A Tumbler Support and Drive System 29 B Main Air Blower and Heat Reclaimer System 32 C Compressed Air Sy...

Страница 6: ...rvice and Parts Information 48 A Service 48 B Parts 48 SECTION VIII Warranty Information 49 A Returning Warranty Cards 49 B Parts 49 C Returning Warranty Parts 49 SECTION IX Troubleshooting 51 Troubleshooting TOC 51 ...

Страница 7: ...ber received and the number refused must be noted on the receipt 4 If you determine that the dryer was damaged after the trucker has left your location you should call the delivering carrier s freight terminal immediately and file a claim The freight company considers this concealed damage This type of freight claim is very difficult to get paid and becomes extremely difficult when more than a day...

Страница 8: ...call your gas supplier from a neighbor s phone Follow the gas suppliers s instructions f If you cannot reach your gas supplier call the fire department 4 Installation and service must be performed by a qualified installer service agency or gas supplier 5 Dryers must be exhausted to the outdoors 6 Although ADC produces a very versatile machine there are some articles that due to fabric composition ...

Страница 9: ... dry cleaning solvents or fumes 11 Remove articles from the dryer as soon as the dryer cycle has been completed WARNING Articles left in the dryer after the drying and cooling cycles have been completed can create a fire hazard 12 READ and FOLLOWALLCAUTION and DIRECTION LABELS ATTACHED TO THE DRYER WARNING YOU MUST DISCONNECT and LOCKOUT THE ELECTRICAL SUPPLY and THE GAS SUPPLY BEFORE ANY COVERS o...

Страница 10: ...LOAD FRONT TILT 15 UNLOADING HEIGHT FROM FLOOR 43 3 4 111 12 CM LOADING HEIGHT FROM FLOOR 65 5 8 166 69 CM DOOR OPENING 53 1 4 X 49 135 26 CM X 124 46 CM TUMBLER BASKET DIAMETER 69 1 8 175 58 CM TUMBLER BASKET DEPTH 80 5 16 203 99 CM TUMBLER BASKET VOLUME 175 CU FT 4 96 CU M MINIMUM LOAD SIZE 250 LBS 113 4 KG MAXIMUM LOAD SIZE 460 LBS 208 66 KG BURNER TYPE ON OFF HEAT INPUT 2 800 000 BTU HR 705 58...

Страница 11: ...7 B DIMENSIONS NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation ...

Страница 12: ...bler Basket and Tumbler Basket Base Section To The Heat Console Section Move both pieces into position by lifting them with cables through the eyebolts located at the top of each of the two sections These pieces may also be moved into place with a fork lift truck by lifting the pieces from underneath The tumbler and tumbler base section weighs about 6 400 pounds 2 903 kg and the heat console secti...

Страница 13: ...endant arm to the top front of the heat console section by aligning the clearance holes in the arm with the 1 4 20 tapped holes on the top of the heat console section Use the 1 4 20 x 3 long bolts supplied with the machine to attach the arm to the console d Reconnect The Internal Air Electric Connections and Water Connections refer to page 12 through page 19 3 Reassembly Instructions for Dryer Shi...

Страница 14: ...es located at the top of the tumbler basket section Use the four 4 1 1 4 12 x 3 1 2 long bolts supplied with the unit to secure the tumbler basket section to the tumbler basket base section d Reattach The Control Pendant Arm Position the control pendant arm on the top front of the heat console section by aligning the clearance holes in the arm over the 1 4 20 taped holes in the top of the heat con...

Страница 15: ...4 13 cm metal shims under the base feet The dryer must be lagged to the floor IMPORTANT Dryer should be located where a minimum amount of exhaust duct will be necessary 1 The dryer must be installed with a proper exhaust duct connecton to the outside 2 The dryer must be installed with provisions for adequate combustion and make up air supply CAUTION This dryer produces combustible lint and must be...

Страница 16: ...L AIR ELECTRIC and WATER CONNECTIONS 1 Air a Front Tilt Piston and Sprinkler lines This connection is made at the front of the dryer in the area between the lower heat console section and the tumbler basket base section To connect the sprinkler air line insert the 1 4 aluminum tubing into the 1 4 brass compression fitting and tighten the fitting nut To connect the 3 8 poly flo tubing to the corres...

Страница 17: ...matic panel To connect the 1 4 poly flo tubing into the corresponding needle valves match the number on the line with the number on the needle valve Insert ALL of the tubing two 2 on a 1 Door model four 4 on a 2 Door model into their corresponding valves Give a moderate pull on ALL of the air lines to make sure that the connection are complete ...

Страница 18: ...n the metal end clip The red wire goes on the flame probe behind the pilot line and the high voltage wire goes on the spark plug spark plug closest to the front b Burner Fan The burner fan connections are made in the back of the burner fan motor Remove the two 2 screws that hold the cover to the junction box of the motor The burner fan cable with the four 4 conductors in it can be found next to th...

Страница 19: ... connect the four 4 wires with the same color tape identifiers together with the four 4 wires already in the junction box Make these connections with wire nuts and PVC electrical tape Replace the cover and the cover 2 screws that hold down the cover to the junction box d Temperature Probe Base and Tumbler Basket Disconnects The disconnects are located in the lower heat console The temperature prob...

Страница 20: ... hole seal Put the female end of the RTD cable through the hole in the top of the electrical enclosure Connect the male end and the female end of the RTD cable together pull the cable up until the threads of the reducing bushing can be seen through the hole into where the character 464 panel was Next get the 1 inch lock nut on by a few threads slip the modified hole seal under the lock nut holding...

Страница 21: ...o be removed This is done by removing the six 6 bolts on the bottom of the safety panel where the tumbler basket section and the base meet Reach into the feed through hole in the base of the tumbler basket section there will be two 2 cables there Pull both cables through the hole into the tumbler basket section The cable with the connector on the end is for the tumbler basket junction box the othe...

Страница 22: ...nd mechanically connect it to the junction box on the motor or the external junction box with the lock nut There will be four 4 wires in the cable match them with the PVC electrical tape There should be one 1 green wire remaining which is used for the ground connection Replace the screws that go on the cover of the junction box Bolt the safety panel back in place using the six 6 bolts removed in S...

Страница 23: ...side of the tumbler basket base on dryer models with a sprinkler system 2 Compressed Air Supply A minimum of 20 cubic feet per hour cfh 566 cu m hr at 80 PSI 5 51 bar of dry clean and regulated compressed air must be supplied to the dryer The compressed air supply must be connected into the 3 8 F P T fitting which is located in the rear corner of the lower heat console section ...

Страница 24: ...ust be used Test ALL pipe connections for leaks by brushing on a soapy water solution WARNING NEVER TEST FOR LEAKS WITH A FLAME 4 Exhaust Air Ducting The dryer s exhaust air must be vented to the outdoors by the shortest route possible with the number of elbows kept to a minimum The duct should be designed and installed by qualified technicians Improperly designed duct work reduce the airflow thro...

Страница 25: ...s instead of sharp 90º elbows The radius of an elbow should be at least 1 1 2 times the duct diameter When the exhaust duct goes through a combustible wall on a roof leave a 2 inch 5 08 cm clearance space between the exhaust ducting and the wall or roof When adding ducts the duct that leaves the building must be protected from the weather For horizontal ducting use a 90º turned downward For vertic...

Страница 26: ...a the CANADIAN ELECTRICAL CODES PARTS 1 2 CSA C22 1 1990 or LATEST EDITION IMPORTANT Failure to comply with these codes or ordinances or requirements stipulated in this manual can result in personal injury or component failure NOTE Component failure due to improper installation will VOID THE WARRANTY Each dryer should be connected to an independently protected branch circuit The dryer must be conn...

Страница 27: ...ny time without notice or obligation ADG 464 ELECTRICAL SERVICE SPECIFICATIONS PER DRYER IMPORTANT NOTES A B C 208 VAC AND 240 VAC ARE NOT THE SAME When ordering specify exact voltage When fuses are used they must be dual element time delay current limiting class RK1 or RK5 ONLY Calculate determine correct fuse value by applying either local and or National Electrical Codes to listed appliance amp...

Страница 28: ...y their individual fused disconnect NOTE The ADG 464 with sprinkler option will not operate without an independent power source fed to the Safety Sprinkler System Feed the electrical service cables to the dryer using the pre punched knockouts at the bottom section of the electrical cabinet right wall Connect the ground wires directly to the ground lug located at the same approximate area NOTE The ...

Страница 29: ...rom the outdoors atmosphere of a minimum twenty 20 square feet 6 096 m2 is required for each dryer To compensate for the use of registers or louvres used over the openings the makeup air areamust beincreased by approximately thirty three percent 33 Makeup air openings should not be located in an area directly near where exhaust vents exit the building Allowances must be made for remote or constric...

Страница 30: ... valves 4 A compressed air supply of 80 PSI 5 51 bar must be connected into the dryer s fitting located at the rear corner of the lower heat console section 5 The dryer exhaust duct must be vented to the outdoors 6 A water supply of 40 PSI 2 75 bar must be connected into the 1 inch sprinkler pipe connection 7 The dryer must be lagged to the floor and leveled for proper operation 8 A fresh air supp...

Страница 31: ...LE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS NOTE Suggested time intervals shown are for average usage which is considered six 6 to eight 8 operational running hours per day NOTE Remove power from the machine before performing any maintenance in the machine cleaning the lint drawers and both steam coil lint screens are the only exceptions IMPORTANT Dryer produces combustible lint a...

Страница 32: ...blower fan motor Main blower fan shaft bearings must be lubricated Use a 3 grease or equivalent EVERY 6 MONTHS Remove the gear oil in both tumbler drive shaft gear reducers Replace with 1 4 liters in each gear reducer of Mobil Oil DTE HH5G I S O viscosity grade 460 or equivalent Main blower fan and drive motor belts should be examined Cracked or seriously frayed belts should be replaced Tighten be...

Страница 33: ...letely welded assembly so the perforated panels are not removable 2 Tumbler Basket Support System The tumbler basket sits on four 4 11 inch diameter heavy duty rubber roller wheels which supports and drives the tumbler The rubber wheels are molded into each of four 4 steel hubs The steel hubs are fastened to the 2 inch diameter drive shafts by taper lock bushings Each drive shaft is supported by t...

Страница 34: ...tightening the gear reducer turnbuckle support The oil in each gear reducer must be replaced every six 6 months by 1 4 liters of I S O viscosity Grade 460 gear oil 4 Servicing the Drive System a Removing a Drive Wheel The drive wheels a removed through the front and back panels of the dryer not through the slides The front loading door and back loading door panels are hinged at the top Remove the ...

Страница 35: ...switch disconnect plug is located on the left side of the rear doors Disconnect this plug and feed the cable through the right hand side of the tumbler section Put a block of wood under the tumbler loosen and back out the tumbler shaft support bearings so that the drive wheel lines up with the large hole in the frame The drive wheel taper lock bushing can now be loosened and removed through the ho...

Страница 36: ...ECLAIMER SYSTEM The fan which moves the exhaust air through the ADG 464 dryer is a 22 inch diameter squirrel cage wheel that is driven at 1 100 rpm by a 25 HP motor This fan moves a maximum of 13 000 cfm 368 cmm air through the dryer ...

Страница 37: ...ains open for the rest of the drying cycle On cool down the damper closes exhausting ALL of the 13 000 cfm 368 cmm which ensures a fast cool down of the load 4 TIGHTEN TOP HEAT RECLAIMER NUTS DOWN ONTO THE BOTTOM HEAT RECLAIMER NUTS 3 THE DISTANCE BETWEEN THE TOP OF THE PLATE TO THE BOTTOM OF THE NUTS MUST BE 1 3 16 3 00 cm see drawing below IN ORDER TO OBTAIN THE NUTS CLOSEST TO THE PISTON MUST B...

Страница 38: ...rticles from the compressed air stream and traps them in its bowl where this waste can be readily removed through the drain valve at the bottom of the bowl The filter bowl should be cleaned monthly b For dryers manufactured prior to February 26 1997 c The regulator will maintain a nearly constant outlet air pressure of 80 PSI 5 51 bar so that the dryer s air pistons will function normally despite ...

Страница 39: ... top piston ports are bled to the atmosphere To level the dryer after loading the voltage signals are reversed No voltage is applied to the S5 solenoid and 120 volts are applied to the S8 solenoid The valve spool will now move so that 80 PSI 5 51 bar of air is applied at the top piston ports while the bottom piston ports are bled to the atmosphere The piston rods will now retract leveling the drye...

Страница 40: ... its 12 side solenoid valve coil The external pilot air supply to the front tilting piston is tapped off the rear tilting piston top port air line so that whenever the rear piston rods are extended there is no pilot air supplied to the front tilting piston solenoid valve and the front tilting piston rods cannot extend On the solenoid valve supplied on the dryer the 12 side valve is externally pilo...

Страница 41: ...o ensure that the burner fan air switch has closed The pilot gas flame is then established the flame rod which sits in this pilot flame comes in contact with the flame and signals the BCM The main motorized gas valves open in sequence and full operational flame is achieved The burner controller module BCM has five 5 LED s light emitting diodes on its cover and two 2 neon s on the mounting base for...

Страница 42: ...uring each drying cycle after a burner fan air switch or main flame failure but only if the failure occurs more than 35 seconds after ignition If this switch is OFF the burner will lock out at once This switch is ON for intermittent pilot or OFF for interrupted pilot ADC utilizes intermittent pilot so that the pilot flame stays lit during the entire drying cycle With interrupted pilot the pilot fl...

Страница 43: ...re in the off position Flame is detected out of sequence Inductance H is detected on sensor wires Wiring fault on terminal 3 terminal 4 and terminal 5 Internal controller failure Air switch closed before start up e Flame Signal L E D light emitting diode is lit when The flame rod is in contact with the pilot flame and the BCM burner controller module converts a microampere µ current between the fl...

Страница 44: ...lot solenoid valve opens igniting the pilot flame The flame rod sits in the pilot flame and sends a 3 volt DC to 11 volt DC signal to the BCM burner controller module when it is in contact with the pilot flame The pilot flame should be about the size of a tennis ball and should heat the flame rod so it is red hot 4 Burner Fan System The burner fan provides additional combustion air for proper gas ...

Страница 45: ...12 to 15 millimeters 4 6 inches water column W C 995 1 49 mbar b Burner Fan and Motor The combustion air is produced by a 6 1 4 inch 15 88 cm squirrel cage fan which is attached to a 1 1 2 HP 3 600 RPM motor The motor must spin counterclockwise CCW as viewed from the rear of the motor c Combustion Air Lint Filter The combustion air lint filter is made of a fine mesh stainless steel screen which mu...

Страница 46: ...W for more gas and counterclockwise CCW for less gas b Adjustable Pilot Gas Cock Remove the cap and turn the slotted adjustment screw clockwise WC for less gas and counterclockwise CCW for more gas 2 The pilot line contains a back loaded pressure regulator with an impulse line connected to the gas burner inlet The regulator will maintain a constant pilot supply pressure in the burner due to an inc...

Страница 47: ... gas valve that verifies valve closure The burner controller module BCM will go into a system unsafe error and the burner will not begin a burner sequence b Sequence of Operation With dryer power on a 120 volt signal is sent to terminal 1 and terminal 2 of the BCM burner controller module A power indicator light has been added to the controller base for troubleshooting 1 Drying cycle is started 2 ...

Страница 48: ...ame should fail during the 10 seconds period that the pilot solenoid is open The BCM burner controller module will reenergize the spark If the pilot flame is not established at the end of this 10 second period the system will lock out and the FLAME FAILURE L E D light emitting diode will light The 10 second period when the pilot solenoid opens and a spark is produced is called the trial for igniti...

Страница 49: ...l freeze the ignition sequence when the pilot flame ignites This allows time to examine the pilot flame and measure the flame rod signal to the BCM b Connect a pressure gauge or water tube to the pilot gas pressure tap Start the dryer Follow the ignition process by referring to the Sequence of Operation section of this manual c When the pilot flame is ignited the pilot gas pressure should measure ...

Страница 50: ... ADG 464 dryer is equipped with numerous safety devices to ensure the dryer operates safely The chart on the following page page 47 lists each device with its location function computer display message and result of tripping ...

Страница 51: ... the heat reclaimer is either opened or closed Input LED 13 of the PLC is off None Heat Console Door Access Door Switch Inside Heat Console Insures that access doors are closed DOOR OPEN Dryer will not run Exhaust Air Temp Control Sensor Inside Burner section duct Monitors tumbler exhaust air temp EXHAUST DSFL Stops heat only Exhaust Air Hi Temp Control Sensor Inside exhaust duct Monitors tumbler ...

Страница 52: ...rial numberso that your inquiry is handled in an expeditious manner B PARTS 1 Replacement parts should be purchased from the reseller from whom theADC equipment was purchased If the reseller cannot be contacted or is unknown contact the ADC Parts Department for a reseller in your area Parts may also be purchased directly from the factory by calling the ADC Parts Department at 508 678 9000 or you m...

Страница 53: ...from whom you purchased the equipment and request a dryer warranty form If the reseller cannot be contacted or is unknown warranty information can be obtained from the factory by contacting theADC Warranty Department at 508 678 9000 NOTE Whenever contacting the ADC factory for warranty information be sure to have the dryer s model numberand serial numberavailable so that your inquiry can be handle...

Страница 54: ...ansit Damage claims are the responsibility of the shipper IMPORTANT No replacements credits or refunds will be issued for merchandise damaged in transit 5 ALL returns should be shipped to the ADC factory in such a manner that they are insured and a proof of delivery can be obtained by the sender 6 Shipping charges are not the responsibility of ADC ALL returns should be prepaid to the factory Any C...

Страница 55: ... When replacing blown fuses the replacement must be of the exact rating as the fuses being replaced The information provided should not be misconstrued as a handbook for use by an untrained person in making repairs WARNING ALL SERVICE AND TROUBLESHOOTING SHOULD BE PERFORMED BY A QUALIFIED PROFESSIONAL or SERVICE AGENCY WARNING WHILE MAKING REPAIRS OBSERVE ALL SAFETY PRECAUTIONS DISPLAYED ON THE DR...

Страница 56: ...check incoming line voltage If none check fuse disconnect switch 2b Check if OL12 has tripped If OK go to paragraph 3b below If tripped check sprinkler circuit then reset and test 3b Check if sprinkler is activated is the SPRINKLER RESET button lit If yes press SPRINKLER RESET Does the sprinkler reset If yes attempt to turn ON the main disconnect again If no go to paragraph 4b below and on page 53...

Страница 57: ... voltage to ADG 464 If line voltage is present go to paragraph 2b below If line voltage is not present check fused disconnect and retest 2b Attempt to turn the ADG 464 main power handle to the ON position If the switch does not engage verify that sprinkler power is ON RED light on main door If no refer to paragraph 1b above 3 Open main enclosure and verify that OL11 has not tripped If yes check ci...

Страница 58: ...it SPRINKLER RESET button does it reset If no go to paragraph 2b below 2b Verify that OL12 overload 12 has not tripped If yes check circuit reset OL12 and test If no go to paragraph 3b below 3b The main disconnect has an UNDER VOLTAGE DROP OUT FEATURE This feature requires that 110 VAC be present to engage the disconnect switch If 110 VAC is removed from pin 51 and pin 52 on the switch the disconn...

Страница 59: ...stive Temperature Device 4 a resistive sensor located on the top right hand side of the tumbler basket section Its exact location is in proximity of the intake and hi limit temperature probe IMPORTANT An open RTD Resistive Temperature Device probe or disconnecting the probe under power will cause the sprinkler to active ALL ADG 464 RTD Resistive Temperature Device probes are rated for 1 100º F 593...

Страница 60: ...PB 10 push button 10 SPRINKLER RESET button is for resetting the sprinkler circuit once the temperature in the tumbler basket has dropped below its preset trip temperature NOTE Pressing the SPRINKLER RESET button before the tumbler basket temperature has dropped below its trip temperature will momentarily stop the water flow However the water flow will resume once the button is released UV is the ...

Страница 61: ...LER RESET BUTTON Sound sprinkler alarm horn NOTE The sprinkler circuit will not reset until the ADG 464 s temperature is below the sprinkler hi limit controller setting STATE 3 The tumbler basket temperature is still ABOVE SHLC Sprinkler High Limit Controller preset value and PB 10 push button 10 Sprinkler Reset has been pushed and held IN With power still applied to the SHLC 3CR will energize S12...

Страница 62: ... GREEN ON light illuminate If not check the EMERGENCY STOP and drying system ON OFF circuits Refer to ladder diagram 5 Front Panel BLUE main panel light RED sprinkler power light and GREEN control power light ON The system has one or more of the following symptoms OPERATOR INTERFACE TERMINAL no display or displays LINE FAULT message PROGRAMMABLE LOGIC CONTROLLER PLC no indicator lights ON CONVENIE...

Страница 63: ...508 678 9000 3b Malfunctioning operator interface terminal Check power supply voltage to the operator interface terminal It should be 24 volts DC Check that the interface cable to both the PLC and the operator interface terminal are secure NOTE Call the ADC Service Department at 508 678 9000 4b Malfunctioning 24 volt DC power supply Verify that the power supply s red ON light is illuminated Verify...

Страница 64: ...o correct the condition and test IMPORTANT DO NOT TROUBLESHOOT THE SHLC Sprinkler High Limit Controller UNLESS THE WATER VALVE TO THE SPRINKLER IS CLOSED SHLC will cause The sprinkler water valve to open The entire dryer to power down The SPRINKLER RESET button on the main panel to light With the dryer control voltage ON not executing a drying cycle one should be able to adjust the temperature set...

Страница 65: ...RNER DOOR SWITCHES DSA4 A and DSA B LOAD DOOR SWITCH DS1B UNLOAD DOOR SWITCH DS2 B BURNER FAN AIR PRESSURE SWITCH PRS2 GAS HI PRESSURE and GAS LO PRESSURE SWITCHES PRS1 PRS2 LINT CHAMBER AIR PRESSURE SWITCH SIX 6 CHANNEL HIGH TEMPERATURE LIMIT SWITCH STOP MOTION DETECTOR RELAY CONTACT SMD NO FLAME DETECTOR PROBE BURNER CHASSIS GROUND 1 Burner Section Input Circuit Component Description NOTE Refer ...

Страница 66: ... TB2 The following devices are used as a safety interlock to the Burner Controller The devices have to be satisfied prior to burner ignition The signal that flows through these devices terminate at Pin 7 on the Burner Controller GAS HI PRESSURE and GAS LO PRESSURE SWITCH PRS1 PRS2 These switches are housed in one enclosure and are located in the left center of the Burner Section Their function is ...

Страница 67: ...ed on the lower left of the Burner Section Its wires are terminated in the Solenoid Junction Box and activated by a signal derived from Pin 3 of the Burner Controller IGNITION TRANSFORMER T3 This transformer is located on the left side of the Burner Section Its primary is terminated in the Solenoid Junction Box is connected to Pin 4 of the Burner Controller Its secondary is connected to a spark ig...

Страница 68: ...settings and other gas supply information If the Gas fault message continues to be displayed perform the following electrical check out Refer to the ADG 464 ladder diagram for the following directions 2b Verify that PLC Programmable Logic Controller OUTPUT L E D 4 IS ON This will indicate that the PLC is calling for HEAT If the L E D is ON this will indicate the signal is active Go to paragraph 3b...

Страница 69: ...rotary arm switches mentioned are double pole double throw DPDT where the PLC Programmable Logic Controller signal and door switch effect different circuits If input 6 L E D light emitting diode of the Programmable Logic Controller goes on and off the signal is good Go to Section 5 on page 69 and page 70 If input 6 L E D of the PLC doesn t react then perform the following Power down the dryer Clos...

Страница 70: ... the burner controller s power indicator If burner controller module has power go to paragraph 9b on page 69 If burner controller module does not have power check circuit wiring and retest 2b Burner Fan Air Pressure Switch This switch must be open prior to a drying cycle and close during a drying cycle This feature is required by the burner controller module Check the function of this switch by me...

Страница 71: ...and ADG 464 Solenoid Junction Box Wiring Diagram Check gas valve solenoid Retest With the main gas valve OPEN close disconnect block on TB1 63 and Measure for 110 VAC on TB1 63 and TB1 9 on the Main Electrical Panel during a drying cycle start up If a 110 VAC is present during start up burner pilot output circuit is OK If a 110 VAC is not present Check circuitry refer to ADG 464 Main Panel Wiring ...

Страница 72: ...NOTE REMOVING THE VOLTAGE AT ANY TIME WILL CLOSE THE VALVES INSTANTLY If valves operate properly close disconnect on TB1 64 If the valves do not open correctly Check circuitry refer to ADG 464 Main Panel Wiring Diagram and ADG 464 Solenoid Junction Box Wiring Diagram Check motorized valves Refer to Section VI Part D Gas Burner and Ignition Systemon page 37 thru page 45 Retest 6b To verify that MS4...

Страница 73: ...n Systemon page 37 thru page 45 If the flame detector test fails Verify that the flame detector and burner chassis connections located on the left side if the burner are sound and tight Check wiring See AD 464 Main Electrical Panel Wiring Diagram and AD 464 Solenoid Junction Box Wiring Diagram Retest 9b To test the burner controller module itself Refer to Section VI Part D Gas Burner and Ignition ...

Страница 74: ...e dryer is OFF Check the lint chamber switch during a DRYING CYCLE close the disconnects on TB1 20 and TB1 21 and measure 110 VAC between TB1 9 and TB1 21 during a DRYING CYCLE If 110 VAC is measured the switch is functioning OK If 110 VAC IS NOT present Check switch s pressure adjustment refer to AD 464 Ladder Diagram for reference Check that switch cover is in place and screws are snug Check tha...

Страница 75: ...EMP FAULT to be displayed Let the dryer cool and verify that GREEN L E D s resume scanning Reset the controller by pressing the REST on the controller This will verify that an over temperature condition occurred and the controller is operational Go to paragraph 1b above and check air flow If the HI LIMIT controller does not reset go to paragraph 3b on page 72 2b If either RTD Resistive Temperature...

Страница 76: ...r Check that ALL EMERGENCY STOP E Stop buttons are disengaged out Check fuse 10 s blown fuse indictor Check wiring refer to the AD 464 Main Panel Wiring Diagram Retest 7 DRUM FAULT Message PLC Programmable Logic Controller MESSAGE DRUM FAULT a PROBABLE CAUSES 1a Stop motion detector module or sensor With control voltage ON GREEN push button use the pendant control in LOAD POSITION to rotate the tu...

Страница 77: ...L E D light emitting diode respond If yes adjust the sense time until the L E D light emitting diode stays on for 12 to 15 seconds after the tumbler basket stops then refer to Section 7a on page 72 If no check Inductive proximity sensor for damage Sensor distance from targets is 3 16 4 7 mm The proximity sensor is located in the same area as the tumbler junction box Inductive proximity adjustment ...

Страница 78: ...nt doors and is comprised of four 4 parts head arm body and cord grip device The head is a rotating type with a spring arm attached for switch actuation The body contains a double pole double throw DPDT normally open switch DS1 has two 2 electrical functions A and B b Unload Door Switch DS2 The unload door switch is located on the right side of the AD 464 rear doors and is comprised of four 4 part...

Страница 79: ...open One switch is for a drum forward signal to the PLC Programmable Logic Controller the other switch is for an electrical interlock to the DRUM REVERSE push button g DRUM REVERSE Rear Panel PB4 This push button switch comprises of two 2 individual switches one normally closed and one normally open One switch is for a drum reverse signal to the PLC Programmable Logic Controller the other switch i...

Страница 80: ...onnects on terminal 16 and terminal 17 of TB1 These disconnects are located on the bottom of the main electrical enclosure Connect an OHM meter to the output side of terminal 16 and terminal 17 of TB1 Push in the EMERGENCY STOP E Stop button opening the switch Does the previous test show that there s a switch closure opening If yes refer to paragraph 3b above If no refer to paragraph 4b below 4b W...

Страница 81: ...ed on the rear controls panel Have someone PRESS either the forward or reverse buttons while you watch the input L E D s light emitting diode of the programmable controller Do the associated L E D s light PLC PIN 20 DRUM FWD REAR PANEL PLC PIN 21 DRUM REV REAR PANEL If yes refer to paragraph 2 section a on page 75 If no refer to paragraph 2 section b on page 76 4b The L E D s light emitting diodes...

Страница 82: ...ntrol voltage ON Front Panel Green Button Select 1 on the O UNLOAD switch located on the rear control panel Does the PLC Programmable Logic Controller IN PIN 19 UNLOAD REAR PANEL light If yes refer to paragraph 3a on page 76 If no refer to paragraph 4b on page 76 4b The L E D light emitting diode ON on the PLC Programmable Logic Controller indicates are also illuminating when the O UNLOAD 1 select...

Страница 83: ...tion will address the load and unload doors signals since they are associated with the tumbler junction box a PROBABLE CAUSES 1a Wiring back to the PLC Programmable Logic Controller DS1 B LOAD DOOR SWITCH DS2 B UNLOAD DOOR SWITCH b POSSIBLE SOLUTIONS 1b For quick check of LOAD and UNLOAD signals on the PLC Programmable Logic Controller perform the following Remove factory air from the dryer With t...

Страница 84: ...ain Electrical Enclosure b POSSIBLE SOLUTIONS Open the Main Electrical Enclosure locate input 0 10 on the PLC Programmable Logic Controller With control voltage ON GREEN Push Button use the pendant to rotate the tumbler Notice a L E D light emitting diode on as the tumbler basket is rotating If the L E D is off refer to paragraph 6 section a above 1b If the L E D light emitting diode is off Check ...

Страница 85: ...he L E D light emitting diode is constantly ON If yes the stop motion detector is defective If no check Inductive Proximity Sensor for damage The proximity sensor is located in the same area as the Tumbler Junction Box Inductive Proximity Mechanical Adjustment Tumbler basket target This target is attached to the outside of the tumbler basket Stop motion detector module in the tumbler basket sectio...

Страница 86: ...uble throw DPDT normally opens switch LS1 has two 2 electrical functions A and B A provides a front down signal to the PLC Programmable Logic Controller B is used as an electrical interlock to the Rear Up Signal 2 Rear Down Switch LS2 The rear down sensing switch is located on the left side of the AD 464 base and comprises of four 4 parts head arm body and cord grip device The head is rotating typ...

Страница 87: ...al Junction Box a PROBABLE CAUSES 1a Wiring back to the PLC Programmable Logic Controller LS1 B FRONT DOWN SWITCH LS2 B REAR DOWN SWITCH b PROBABLE SOLUTIONS 1b For a quick check of the FRONT DOWN and REAR DOWN signals to the PLC Programmable Logic Controller perform the following FRONT DOWN signal test procedure paragraph 5a above REAR DOWN signal test procedure paragraph 5b above 2b Place the AD...

Страница 88: ...r input L E D light emitting diode 12 lights when the switch actuator is down and is OFF when the actuator is up Does L E D light emitting diode 12 come ON when the switch is down If yes wiring is OK Check switch actuator placement and tilt actuation NOTE If actuator is at a 90 or greater angle with the base the actuator will damage if machine is lowered If no check associated Switch and Wiring Ch...

Страница 89: ...nt screen is not cleaned at the end of five 5 drying cycles The AD 464 will not allow another drying cycle until the lint screen is cleaned 2b A defective lint drawer proximity switch Have someone verify that PLC Programmable Logic Controller input L E D light emitting diode 8 lights when the lint drawer is in and off when the drawer is out Does L E D light emitting diode 8 come ON when the lint d...

Страница 90: ...rect pressure settings 3b For a quick check of the AIR PRESSURE SWITCH WIRING perform the following Run a drying cycle Does the pressure switch s indicator come ON If yes switch and its adjustment If no check switch and its adjustment Verify that PLC Programmable Logic Controller input L E D light emitting diode 5 comes ON L E D light emitting diode 5 come ON when the switch is active If yes wirin...

Страница 91: ...AM 1 Pendant Electrical Components Load Level Unload A and B Tumbler Basket Reverse Switch PB2 Tumbler Basket Forward Switch PB1 EMERGENCY STOP E Stop Switch PB6 There are two 2 normally open electrical switches associated with this switch function that are actuated by a three 3 position selector SEL A LOAD SEL B UNLOAD Once this switch turned to LOAD the dryer s front doors will open and dependin...

Страница 92: ...ing of SEL 1 and 2 to the PLC Programmable Logic Controller perform the following test with the control voltage ON GREEN Button Turn the selector switch to LOAD Does PLC Programmable Logic Controller input L E D light emitting diode 15 light Turn the selector switch to UNLOAD Does PLC Programmable Logic Controller input L E D light emitting diode 16 light Turn the selector switch to LEVEL Are both...

Страница 93: ...LC Programmable Logic Controller input L E D light emitting diode 17 go OFF If the answer to these question are YES wiring to the PLC Programmable Logic Controller is correct If any answer to these questions is NO refer to Probable Causes paragraph below a PROBABLE CAUSES 1a Fuse 4 on Main Electrical Panel 2a Faulty Switches 3a Wiring back to the PLC Programmable Logic Controller b POSSIBLE SOLUTI...

Страница 94: ...onnects and place an OHM meter across these terminals Push the EMERGENCY STOP E Stop button in Does the OHM meter respond If YES wiring to TB1 is correct check wiring on the main electrical panel then retest If NO wiring from the pendant to TB1 is incorrect Check wiring using the appropriated wiring diagrams listed above and retest F TEMPERATURE SENSING Introduction There is one 1 temperature sens...

Страница 95: ...20 milliampere 4 to 20 mA transmitter Trans1 This transmitter is located on the upper right of the main electrical enclosure panel The exhaust RTD Resistance Temperature Device is connected in series with a 24 volt DC power supply and the current drawn from the power supply is 4 to 20 milliampere 4 to 20 mA output signal which is proportional to the input signal The proportional current informatio...

Страница 96: ...disconnect in the right hand wire which is located on the main electrical enclosure panel Disconnect this plug and measure the resistance of the two wires coming from the RTD itshould be in the 100 ohm 100 Ω range If resistance is within range wiring and RTD are OK If the resistance is infinite no measurements or zero ohms 1 Ω go directly to the intake RTD Resistive Temperature Device disconnect b...

Страница 97: ... milliampere 4 to 20 mA transmitter to the PLC Programmable Logic Controller Analog Input Module Refer to the AD 464 Main Panel Wiring Diagram G MOTORS Introduction The four 4 motors installed on the AD 464 are connected directly to associated thermal magnetic starters in the main electrical enclosure The troubleshooting information includes in this section will cover the actuation power control a...

Страница 98: ...tput Signal Defective 3a Motor Circuit Wiring b PROBABLE SOLUTIONS 1b Verify that all motor protection devices manual starters have their START buttons pushed in If any device has tripped reset it and restart the dryer If the same devices continue to trip Verify current setting Check circuit Check motor Retest 2b Verify that the associated output L E D light emitting diode on the PLC Programmable ...

Страница 99: ...erminal and PLC Programmable Logic Controller have discontinued ERROR MESSAGES AD 464 IDLING AD 464 RUNNING CTRL VOLT OFF Cannot operate machine Stops dryer INTAKE Cannot operate machine Stops dryer EXHAUST DSFL Cannot operate machine Stops dryer DOOR OPEN Cannot operate machine Stops dryer SCREEN FAULT Cannot operate machine Stops dryer MOTOR FAULT Cannot operate machine Stops dryer GAS FAULT Not...

Страница 100: ...ADC 112193 1 01 11 96 25 2 10 18 96 25 3 01 07 97 50 4 08 25 99 25 5 12 30 99 25 6 08 09 01 25 ...

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