American Dryer Corp. AD-310 Installation Manual Download | Manualshive

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Summary of Contents for AD-310

Page 1: ...plier s instructions If you cannot reach your gas supplier call the firedepartment Installation and service must be performed by a qualifiedinstaller serviceagencyorthegas supplier AVERTISSEMENT Assurez vousdebien suivrelesinstructionsdonnéesdanscette noticepourréduireauminimum lerisque d incendieoud explosionoupourévitertout dommagematériel touteblessureoulamort Ne pas entreposer ni utiliser d es...

Page 2: ...utre appareil We have tried to make this 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 Important For your convenience log the following information DATE OFPURCHASE ____________________________ MODEL NO _____________...

Page 3: ...OULDBESUPERVISEDIFNEARDRYERSINOPERATION CAUTION DRYERSSHOULDNEVERBELEFTUNATTENDEDWHILEINOPERATION FORYOUR SAFETY DONOTDRYMOPHEADSINTHEDRYER DONOTUSEDRYERINTHEPRESENCEOFDRYCLEANINGFUMES 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 operation At...

Page 4: ...isplayedontheequipmentand or specified in the installation manual included with the dryer WARNING DRYER MUST NEVER BE OPERATEDWITHOUTTHE LINTFILTER SCREEN IN PLACE EVENIFANEXTERNALLINTCOLLECTIONSYSTEMISUSED 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 ...

Page 5: ...cationRequirements 14 C FreshAirSupplyRequirements 15 D ExhaustRequirements 16 E CompressedAir Supply System 22 F ElectricalInformation 25 G GasInformation 29 H Water Supply Connection For Optional Sprinkler System 32 I SteamInformation 33 J PreoperationalTests 38 K Preparation For Operation Start Up 40 L ShutDownInstructions 41 SECTION IV SERVICE PARTS INFORMATION 42 A Service 42 B Parts 42 SECTI...

Page 6: ... MANUAL RESET HI LIMIT INSTRUCTIONS 52 Gas Models Only 52 Steam Models Only 53 SECTION IX DATA LABEL INFORMATION 54 A Data Label 54 SECTION X PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 56 SECTION XI PHASE 7 OPL SYSTEM DIAGNOSTICS 58 A Diagnostic L E D Display FaultMessages 58 B I O Board Input and Output L E D Indicators 60 SECTION XII TROUBLESHOOTING 65 SECTION XIII OPTIONAL SPRINKL...

Page 7: ... number 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...

Page 8: ... call your gas supplier from a neighbor s phone Follow the gas supplier 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 Dryer s must be exhausted to the outdoors 6 Although ADC produces a very versatile dryer there are some articles that due to fabric composition o...

Page 9: ...lvents or fumes 11 Remove articles from the dryer as soon as the drying 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 DO NOT operate steam dryers with more than 125 PSI 8 62 bars steam pressure Excessive steam pressure can damage steam coil and or harm personnel 13 Replace leaking flexible hoses or ot...

Page 10: ...3 kw DOOR OPENING DIAMETER 36 3 4 w x 43 h 93 3 cm x 109 2 cm DOOR STILL HEIGHT LEVEL 36 1 2 92 71 cm COMPRESSED AIR 80 PSI 5 51 bars COMPRESSED AIR CONNECTION 3 8 F P T VOLTAGE AVAILABLE 208 600v 3ø 3 4w 50 60 Hz BLOWER MOTOR 15 HP 11 25 kw HEAT INPUT 1 125 000 btu hr 283 500 kcal hr APPROX WEIGHT UNCRATED 5 100 lbs 2 314 kg AIRFLOW 6 500 cfm 184 1 cmm INLET PIPE SIZE 1 1 2 VOLTAGE AVAILABLE 208 ...

Page 11: ...7 310 NON TILT GAS MODEL B DIMENSIONS AND COMPONENT LOCATION ...

Page 12: ...8 310 NON TILT STEAM MODEL ...

Page 13: ...quid Propane L P Gas or LATEST EDITION for General Installation and Gas Plumbing or Canadian Electrical Codes Parts 1 and 2 CSA C22 1 1990 or LATEST EDITION for Electrical Connections A REASSEMBLY OF DRYER IMPORTANT Always keep the basket tumbler section of the dryer in an upright position when moving it The dryer may be shipped one 1 of two 2 ways as a complete unit fully assembled and ready for ...

Page 14: ...10 1 Reassembly Instructions For Gas Dryer Shipped In Two 2 Pieces ...

Page 15: ...tom of the right basket tumbler section b Pull the basket tumbler section power cable up from the left side of the base through the hole in the bottom of the basket tumbler section Reconnect the wires of this cable into the 2 inch x 4 inch 5 08 cm x 10 16 cm basket tumbler junction box located at the bottom of the basket tumbler section Refer to the illustration on the previous page c Drop the con...

Page 16: ...12 2 Reassembly Instructions For Steam Dryer Shipped In Two 2 Pieces ...

Page 17: ...10 16 cm basket tumbler junction box located at the bottom of the basket tumbler section Refer to the illustration on the previous page c Drop the control cable connector from the rear right side of the basket tumbler section into the base Reconnect the industrial grade plug in to its mating socket 3 Bolt the 24 inch 60 96 cm diameter exhaust duct transition piece to the dryers rectangular exhaust...

Page 18: ...op of a gas dryer and the ceiling A ceiling height of 120 inches 304 8 cm is required for gas dryers and a ceiling height for 130 inches 330 2 cm is required for steam dryers The dryer must be leveled for proper operation If shimming is required put metal shims which are the same size as the base feet under the base feet The dryer must be lagged to the floor WARNING Dryer should be located where a...

Page 19: ...quare feet 0 56 square meters is required for each gas dryer and a minimum of 8 square feet 0 74 square meters for each steam dryer To compensate for the use of registers or louvers used over the openings this make up air area must be increased by approximately thirty three percent 33 Make up air openings should not be located in an area directly near where exhaust vents exit the building It is no...

Page 20: ...OMMON DUCTWORK IS NOT ACCEPTABLE The exhaust ductwork should be laid out in such a way that the ductwork travels as directly as possible to the outdoors with as few turns as possible Single or independent dryer venting is recommended The shape of the ductwork is not critical so long as the minimum cross section area is provided It is suggested that the use of 90º turns in ducting be avoided use 30...

Page 21: ... inch 3 967 square centimeters duct For steam model a 32 inch 81 28 cm round duct 840 square inch 5 419 square centimeters duct must be used The horizontal or vertical duct total run on both gas and steam models must not exceed 50 feet 15 24 meters which includes the use of no more than three 3 elbows refer to the illustrations on page 19 and page 20 Should more than the maximum number of elbows b...

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Page 25: ...case allow at least twice the diameter of the duct between the duct opening and nearest obstruction IMPORTANT DO NOT use screens louvers or caps on the outside opening of the exhaust ductwork NOTE Exhaust back pressure measured by a manometer at the dryer exhaust duct area must not exceed 0 3 inches 0 74 mb of water column W C NOTE When the exhaust ductwork passes through a wall ceiling or roof ma...

Page 26: ...lt dryer A filter regulator gauge F R G assembly is provided on dryers with the optional automatic loading doors or the optional sprinkler system 1 Compressed Air Supply Connection Location For Non Tilt Dryers Built Without A Sprinkler System OR Without Automatic Loading Doors a Gas Dryers The air line supply connection is made into the 1 8 inch N P T port on the air jet solenoid valve which is lo...

Page 27: ...he left hand side of the top of the dryer Refer to the illustration below 2 Optional Compressed Air Components A filter regulator gauge F R G assembly is supplied with the dryer only if the dryer was built with either the optional sprinkler system or with the optional automatic piston operated loading doors ...

Page 28: ...two 2 pneumatic pistons located above the load doors On 2 door dryers the unloading doors on the back of the dryer will also be controlled by 2 pistons located above the unload doors The 24 volt solenoid valve operators controlling the door pistons are located on the pneumatic plate in the rear of the dryer s base These solenoid valves are configured so that if power to the dryer is shut off the d...

Page 29: ...he Canadian Electrical Codes Parts 1 and 2 CSA C22 1 1990 or LATEST EDITION IMPORTANT Failure to comply with these codes or ordinances and or the requirements stipulated in this manual can result in personal injury or component failure NOTE Component failure due to improper installation VOIDS THE WARRANTY Each dryer should be connected to an independently protected branch circuit The dryermust be ...

Page 30: ... Drive Motor ELECTRICAL SERVICE SPECIFICATIONS PER DRYER IMPORTANT 208 VAC and 230 VAC ARE NOT THE SAME When ordering specify exact voltage NOTES A Fuse ratings are dual element time delay current limiting class RK1 or RK5 ONLY B Circuit breakers are thermal magnetic industrial motor curve type ONLY For others calculate verify correct breaker size according to appliance amp draw rating and type of...

Page 31: ...r 5 HP Drive Motor IMPORTANT 208 VAC and 230 VAC ARE NOT THE SAME When ordering specify exact voltage NOTES A Fuse ratings are dual element time delay current limiting class RK1 or RK5 ONLY B Circuit breakers are thermal magnetic industrial motor curve type ONLY For others calculate verify correct breaker size according to appliance amp draw rating and type of breaker used C Circuit breakers for 3...

Page 32: ...Main Grounding A ground earth connection must be provided and installed in accordance with state and local codes In the absence of these codes grounding must conform to applicable requirements of the National Electrical Code ANSI NFPA NO 70 LATEST EDITION or in Canada the installation must conform to applicable Canada Standards Canadian Electrical Codes Parts 1 2 CSA C22 1 1990 or LATEST EDITION T...

Page 33: ...e irreparable damage to the gas valve VOIDING THE WARRANTY WARNING FIRE OR EXPLOSION COULD RESULT 1 Gas Supply The gas dryer installation must meet the American National Standard National Fuel Gas Code ANSI Z223 1 LATEST EDITION or in Canada the Canadian Installation Codes CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 L P Gas or LATEST EDITION as well as local codes and ordinances and must ...

Page 34: ...inches 29 9 mb water column 2 Liquid Propane L P Gas Dryers made for use with L P gas have both of their gas valves internal pressure regulators blocked open so that the gas pressure must be regulated upstream of the dryer The pressure is measured at each gas valve pressure tap must be a consistent 10 5 inches 26 1 mb water column There is no regulator or regulation provided in an L P gas dryer Th...

Page 35: ...upplied The dryer is provided with two 2 1 1 4 N P T inlet pipe connections extending out of the top of the burner boxes The minimum pipe size supply line to the dryer is 1 1 2 N P T For ease of servicing the gas supply line to each dryer must have its own shutoff valve The size of the main gas supply line header will vary depending on the distance this line travels from the gas meter or in the ca...

Page 36: ...alsmust conformtoNationalFuelGasCodeSpecificationsANSIZ223 1 LATEST EDITION or in Canada CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 L P Gas or LATEST EDITION for General Installation and Gas Plumbing as well as local codes and ordinances and must be done by a qualified professional It is important that gas pressure regulators meet applicable pressure requirements and that gas meters be r...

Page 37: ... 5 to 10 5 These limits are set to limit the acid attack of the steam coils IMPORTANT Coil failure due to improper PH level will VOID THE WARRANTY 2 Steam Requirements High Pressure Inlet 2 inch supply line connection Return 2 inch return line connection 3 Installation Instructions To insure that an adequate supply of steam is provided be sure that the steam supply and steam return lines are sized...

Page 38: ...hutoff valves for each dryer should be installed in the supply return and drip trap return lines This will allow the dryer to be isolated from the supply and return mains if the dryer needs maintenance work e Install an inverted bucket steam trap and check valve for each unit at least 12 inches 30 48 cm below steam coil as close to the coil as possible f The supply and return lines should be insul...

Page 39: ... dryer External regulation filtration of 80 PSI 5 51 bars must be provided It is suggested that a filter regulator gauge F R G arrangement be added to the compressed air line just before the dryer connection This is necessary to insure that correct and clean air pressure is achieved The F R G is provided on dryers with the optional automatic door or the optional sprinkler circuit Compressed Air Su...

Page 40: ... heat to start the drying process When the damper is closed ambient air is drawn directly into the basket tumbler allowing a rapid cool down Diagram 1 shows the damper in the heating open mode allowing heat into the basket tumbler Diagram 2 shows the damper in the cool down closed mode pulling ambient air directly into the basket tumbler without passing through the coils NOTE With the dryer off or...

Page 41: ...eration was tested and adjusted prior to shipping at 80 PSI 5 51 bars If steam damper adjustment is necessary locate the flow control valve and make the necessary adjustments as noted below NOTE Adjust both flow control valves equally so that both pistons operate at the same time ...

Page 42: ... and go to Wrinkle Guard 7 When the programmed drying time has expired the Phase 7 OPL microprocessor controller computer will proceed into the Cool Down Cycle Mode 8 Once the Cool Down Cycle begins at the end of the heat cycle the L E D display will read COOL DOWN TEMP ___ ___MINUTE REMAINING At the end of the heat cycle the dryer will shut off the heat and continue the fan and basket tumbler unt...

Page 43: ...dency not to ignite on the first attempt This is because the gas supply piping is filled with air so the dryer may have to be stopped and restarted several times for this air to be purged from the lines 2 The dryer has two 2 burner boxes and each burner has its own Direct Spark Ignition DSI module and Spark Ignition Flame Probe Assembly If ignition is not established after first attempt the heat c...

Page 44: ...r controller computer has been preprogrammed by the factory with the most commonly used parameter programs selections If computer program changes are required refer to the computer programming manual which was shipped with the dryer K PREPARATION FOR OPERATION START UP The following items should be checked before attempting to operate the dryer 1 Read ALL CAUTION WARNING and DIRECTION labels attac...

Page 45: ...lowing must be performed 1 Discontinue power to the dryer either at the external disconnect switch or the circuit breaker 2 Discontinue the heat supply a GAS MODELS discontinue the gas supply 1 SHUT OFF external gas supply shutoff valve 2 SHUT OFF internal gas supply shutoff valve located in the gas valve burner area b STEAM MODELS discontinue steam supply 1 SHUT OFF external location furnished sh...

Page 46: ...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 theADC Parts Department for a reseller in your area Parts may also be purchased directly from the factory by calling theADC Parts Department at 508 678 9000 or you may...

Page 47: ...rom 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 handled...

Page 48: ...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...

Page 49: ...ND LIQUIDS NOTE Suggested time intervals shown are for average usage which is considered six 6 to eight 8 operational running hours per day SUGGESTED CLEANING SCHEDULE EVERY THIRD OR FOURTH LOAD Clean the lint basket A clogged lint basket will cause poor dryer performance The lint basket is located in the lint drawer in the base of the dryer Pull out the lint drawer brush the lint off the lint bas...

Page 50: ...ters of Mobil oil DTE HH5G I S O viscosity grade 460 or its equivalent Check fan impellor and drive motor V belts for tightness and wear Retighten and replace if required STEAM MODELS Clean the steam coil fins We suggest using compressed air and a vacuum cleaner with brush attachment NOTE When cleaning steam coil fins be careful not to bend the fins If fins are bent straighten by using a fin comb ...

Page 51: ...HUT OFFALL POWER TO THE DRYER Verify that the electrical connections to the motor contactors and overloads are tight This is done to accommodate the compression of the wires over time C LUBRICATION MONTHLY The two 2 bearings that support the impellor fan shaft must be lubricated Use Shell Alvania 2 grease or its equivalent Generically this grease would be described as an NLGI Grade 2 multipurpose ...

Page 52: ... The inner and outer elements have matching opposing tapers As a result when the bolts are tightened the taper lock contracts onto the shaft and expands into the drive wheel hub locking the wheel onto the shaft The idler shaft and drive shaft are each supported by two 2 1 1 2 3 81 cm diameter pillow block bearings These bearings sit on slotted support channels and can be moved inward or outward by...

Page 53: ... is located at the front of the dryer at the right side of the lint basket If the lint basket is open when the dryer is started the microprocessor controller computer L E D will display Lint Drawer Open and willnot reset until the lint drawer has been closed For a clean lint prompt the lint drawer must remain open for 15 seconds 3 Manual Reset Basket Tumbler Hi Limit Safety Thermostat The manual r...

Page 54: ...en the air blower comes on it draws air through the gas burners This creates a negative pressure inside the burner boxes This negative pressure pulls in the sail switches If the sail switches DO NOT pull in this will prevent the dryer from operating and a sail switch fault will display NOTE An overly long or blocked exhaust duct lack of make up air or clogged lint screen will prevent the sail swit...

Page 55: ...lenoid valve so that the solenoid valve blocks the air supply to the pistons and the air in the pistons is bled to the atmosphere The springs in the pistons now retract the piston rods closing the steam damper The steam damper plate now covers the steam coil and allows room air to bypass the coil before entering the basket tumbler for a rapid cool down The steam damper plate should open and close ...

Page 56: ...thermostat and display a hi limit fault The manual reset hi limit thermostat must be reset manually This hi temperature condition may be caused due to a restricted exhaust poor airflow or improper burner oven operation The location of the manual reset hi limit switch is on the left side of the burner box and the basket tumbler hi limit is located in the lint chamber area WARNING Discontinue power ...

Page 57: ...stat and will display a hi limit fault The manual reset hi limit must be reset manually This hi temperature condition may be caused due to a restricted exhaust poor airflow or improper heating unit operation The location of the manual reset hi limit is in the lint chamber area WARNING Discontinue power to the dryer before attempting to reset hi limit IMPORTANT This dryer is equipped with a lint ch...

Page 58: ...ervice parts information from ADC This information is on the data label located on the right electrical control panel When contacting ADC please have the model numberand serial numberavailable SECTION IX DATA LABEL INFORMATION A DATA LABEL Contact American Dryer Corporation ...

Page 59: ... particular model 4 TYPE OF HEAT This describes the type of heat for your particular dryer gas either natural gas or liquid propane L P gas or steam 5 HEAT INPUT for GAS DRYERS This describes the heat input in British Thermal Units per Hour BTUH 6 ORIFICE SIZE for GAS DRYERS Gives the number drill size used 7 ELECTRIC SERVICE This describes the electric service for your particular model 8 GAS MANI...

Page 60: ...en as long as there is a call for heat The DSI module will LOCKOUT if the gas burner flame is not sensed at the end of the trial for ignition period The trial for ignition period willbe repeated for a total of three 3 retries trials the initial try and two 2 more retries trials If the flame is not sensed at the end of the third retry trial inter purge period of 30 seconds the DSI module will LOCKO...

Page 61: ...ds The burner flame should now be established e With the burner flame on remove the flame sensor wire from the FS terminal of the DSI module f The burner flame must shut off and the ignition module must lockout with the DSI module s indicator light red g Stop the drying cycle with the flame sensor wire still removed restart the drying cycle h The ignition module must proceed through the prepurge w...

Page 62: ... EQUIPMENT PER OSHA Occupational Safety and Health Administration STANDARDS ALL major circuits including door microprocessor temperature sensor heat and motor circuits are monitored The Phase 7 OPL microprocessor controller computer will inform the user via the light emitting diode L E D display of certain failure messages along with L E D indicators on the input output I O board on the back panel...

Page 63: ... be open FRONT SAIL SWITCH OPEN FAULT Front sail switch is open and should be closed REAR SAIL SWITCH CLOSED FAULT Rear sail switch is closed and should be open REAR SAIL SWITCH OPEN FAULT Rear sail switch is open and should be closed FAN CONTACTOR FAULT The fan contactor was not pulled in FRONT BURNER HI LIMIT FAULT Indicates the temperature disk in the front burner has opened REAR BURNER HI LIMI...

Page 64: ...60 B I O BOARD INPUT AND OUTPUT L E D INDICATORS ...

Page 65: ...Rear Heat 2 AUDIO ALERT Horn On 3 FWD Basket Tumbler Forward 4 REV Basket Tumbler Reverse 5 AIR JET Air Jet On 6 FAN Blower Fan On 7 F_HEAT Front Heat 8 PRG1 Programmable Output 1 9 PRG2 Programmable Output 2 10 PRG3 Programmable Output 3 11 PRG4 Programmable Output 4 12 OCL1 Open Collector Output 1 13 OCL2 Open Collector Output 2 14 OCL3 Open Collector Output 3 15 OCL4 Open Collector Output 4 16 ...

Page 66: ...rd This signal will indicate that ALL the doors are closed and the dryer is level When these conditions are met then the L E D is ON 16 LINT RED L E D This L E D will indicate the status of the Lint Drawer If the drawer is closed then the L E D is ON 17 R_HE Supply power for rear heat output optional 18 F_HE Supply power for front heat output 19 24VM RED L E D Control voltage at the spare inputs 2...

Page 67: ... 7 F_HEAT GREEN L E D This L E D will indicate the status of the Front Heat output If the request to turn on the Front Burner is made then the L E D is ON 8 PGR1 GREEN L E D This is for a spare output to be programmed 9 PGR2 GREEN L E D This is for a spare output to be programmed 10 PGR3 GREEN L E D This is for a spare output to be programmed 11 PGR4 GREEN L E D This is for a spare output to be pr...

Page 68: ...ed to Rear Door Open 18 OCL7 GREEN L E D This L E D will indicate the status of the Open Collector 7 output If the request to turn on the Open Collector 7 is made then the L E D is ON Programmable and Defaulted to Rear Door Closed 19 OCL8 GREEN L E D This L E D will indicate the status of the Open Collector 8 output If the request to turn on the Open Collector 8 is made then the L E D is ON Progra...

Page 69: ...ry IMPORTANT When replacing blown fuses the replacement must be of the exact rating as the fuse being replaced The information provided should not be misconstrued as a handbook for use by an untrained person in making repairs WARNING ALL SERVICE ANDTROUBLESHOOTING SHOULD BE PERFORMED BY A QUALIFIED PROFESSIONAL OR SERVICE AGENCY WARNING WHILE MAKING REPAIRS OBSERVE ALL SAFETY PRECAUTIONS DISPLAYED...

Page 70: ...direction Appropriate microprocessor controller computer relay output indicator is on 1 Failed reversing contactor relay 2 Failed electrical reversing contactor interlock Appropriate microprocessor controller computer relay output indicator is off 1 Failed microprocessor controller computer I O board D Drive motor operates okay for a few minutes and then either repeatedly or occasionally trips the...

Page 71: ...ctor coil Microprocessor controller computer I O board FAN relay output indicator is off 1 Failed microprocessor controller computer I O board F Blower fan and impellor motor operates okay for a few minutes and then either repeatedly or occasionally trips the overload protector NOTE When the overload protector trips the microprocessor controller computer I O board red light emitting diode L E D FN...

Page 72: ... controller computer and the microprocessor temperature sensor H Microprocessor controller computer L E D display reads DRY ENABLE fault 1 Front or rear doors open 2 Dryer is not in level position 3 Broken connection between level switches 4 Level switches need to be adjusted 5 Input from Programmable Logic Controller PLC is not present a TSX07 does not have supply power b Failed TSX07 PLC 6 Faile...

Page 73: ...ch pad entries 1 Failed keyboard touch pad label assembly 2 Failed microprocessor controller computer display board M Microprocessor controller computer locks up and the display reads erroneous messages or ONLY partial segments 1 Transient power voltage spikes disconnect the electrical power to the dryer wait 1 minute and reestablish power to the dryer If problem is still evident a Failed micropro...

Page 74: ...ressure cannot exceed 0 3 inches 0 74 mb water column W C 2 Restriction in ductwork check duct from the dryer ALL the way to the outdoors 3 Low or inconsistent gas pressure for gas models only 4 Insufficient make up air 5 Poor air and gas mixture at burner yellow or poor flame pattern adjust gas burner air adjustment shutters for gas models only 6 Lint drawer or screen is not being cleaned on a re...

Page 75: ...led idler bearings or basket tumbler bearings 5 V belt s either too tight or too loose 6 Basket tumbler drive wheels are worn or are loose 7 Setscrews of basket tumbler drive shaft bearings are loose 8 Failed motor bearing 9 Drive wheel is loose 10 Failed drive wheel S Dryer will not tilt Tilt to load 1 Correct door signals are not present a Door open to tilt up b Door closed to tilt level 2 Defec...

Page 76: ...t door signals are not present a Door open to tilt down b Door closed to tilt level 2 Defective proximity switch 3 No external compressed air to pneumatic switches 80 PSI 5 51 bars required 11 cfh 0 31 cmh 4 Lint drawer is open ...

Page 77: ...dryer Power to turn ON the pneumatic valve is supplied from the sprinkler control circuit Power to turn OFF the sprinkler is supplied from a manual reset button located on the right front control door SPRINKLER VALVE This valve controls the flow of the sprinkler water It is air actuated and requires air pressure to turn ON or OFF NOTE THAT THERE IS A RED INDICATING PISTON AT THE REAR OF THIS SPRIN...

Page 78: ...ate for voltage rating information SPRINKLER THEORY OF OPERATION 1 Power sprinkler system circuit 2 TURN TO RELEASE ALL EMERGENCY STOP E Stop buttons 3 Run dryer If the temperature of the basket tumbler should rise above the sprinkler controller s preset value the sprinkler system will activate and the following will occur An AUTOMATIC EMERGENCY STOP E Stop will stop the dryer The alarm horn will ...

Page 79: ...T POINT STATE rE REVERSE ACTION SPLP SET POINT LAMP 0 oFF LAMP OFF WHEN OUTPUT IS ON AL HIGH ALARM ONLY Hi ALt ALARM TYPE Abs ABSOLUTE ALARM ALrE ALARM RESET OnOF AUTOMATIC RESET ALPi ALARM POWER INTERRUPT OFF ALARM INHIBIT IS OFF ALiH ALARM INHIBIT OFF ALARM INHIBIT IS OFF ALSt ALARM OUTPUT STATE CLOS CLOSES CONTACTS AT ALARM SET POINT ALLP ALARM LAMP 0 ON ALARM LAMP IS ON WHEN ALARM CONTACT IS C...

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