C-Series Stack Dryer Operator`s Manual
Contents
1. 4 M Firmware The M Firmware is the Main Firmware currently loaded onto the control 5 C Firmware The C Firmware is the Communications Firmware currently loaded onto the control The figure below shows the sub menu options for Control SERIAL NUMBER XXXXXXX MAC ADDRESS I XXXXXXX CONTROL IP ADDRESS I XXXXXXX 1 M FIRMWARE MXX XX XX C FIRMWARE CXX XX XX 8514 233 001 26 SERVI CI NG AND TROUBLESHOOTI NG CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing ATTENTION Lors des op rations d entretien des commandes tiqueter tous les fils avant de les d connecter Toute erreur de c blage peut tre une source de danger et de panne If any of the following symptoms occur on this dryer check the suggested remedies listed below If all probable causes have been eliminated and the symptom still exists contact your local Dexter agent for further troubleshooting assistance See contact information in Preventative Maintenance section Parts amp Service Manuals from Dexter are also available for further troubleshooting assistance Symptom Probable Cause Suggested Remedy Tumbler Does not turn Control Check that Control Display shows time available for drying If not deposit money as needed Loading Door Check that Loading Door is c2. 1 Remove and discard packaging 2 The crate base is attached to the dryer by 4 cap screws driven upward from below the crate base Remove crate base from dryer by tipping dryer sidewise and place block under crate base rail in center of dryer Using a ratchet and 3 4 hex socket remove and discard 2 crating bolts from side which is raised Remove block from under crate base Repeat for other side Save the bolts for use if the dryer is ever moved again 3 With a walking motion move dryer completely off crate base Save the crate base for use if the dryer is ever moved again 4 Slide unit into position where it will be installed Adjust leveling legs using the groove joint pliers to level and align dryer with adjacent units Note If the dryer is ever moved again the dryer should be re mounted on its crate base and its crating bolts re inserted and tightened in the reverse order as above DRYER I NSTALLATI ON 1 CODE CONFORMITY All commercial dryer installations must conform with local codes or in the absence of local codes with the latest edition of the National Fuel Gas Code ANSI Z223 1 Canadian installations must comply with the current Standard CAN CGA B149 1 or 2 Installation Code for Gas Burning Appliances or Equipment and local codes if applicable Australian installations must meet installation requirements and pipe sizing requirements of AS NZA 5601 The appliance when installed must be electrically grounded in
3. 10 0 15 12 gauge 2 wire ground 750 Ibs 340 kg 699 Ibs 317 kg 18 457 mm SPECI FI CATI ONS 50 Ib Commercial Stack Dryer 50 2 DC50X2NB 65EC1X 60 Hz DC50X2NB 49AC1X 50 Hz Cabinet Height 79 1 4 Assumes minimum leveling leg adjustment Cabinet Width Overall Depth Floor to Bottom of Door Bottom Dryer Floor to Bottom of Door Top Dryer Door Opening Dry Wt Capacity Cylinder Diameter Cylinder Depth Cylinder Volume Lint Screen Area Gas Input per dryer 60 hz Gas Input per dryer 50 hz Gas Supply Connection Natural Gas Supply Water Column Natural Burner Manifold 60 hz Water Column 50 hz Water Column L P Supply Water Column L P Burner Manifold Pressure 60 hz Water Column 50 hz Water Column Exhaust Size Make up Air 34 1 2 56 3 4 7 46 25 5 8 50 x 2 Ibs 32 1 2 33 15 84 cu ft 544 sq in 108 000 Btu hr 96 500 Btu hr 1 2 5 10 3 5 3 5 11 5 14 11 10 8 1 5 sq ft Example 1 5 sq ft 1 ft long X 1 5 ft wide Motor Size Airflow 60 Hz Airflow 50 hz Electrical Specifications 120 60 1 Voltage Hz Phase 120V 60Hz 1Phase Running Amps Circuit Protection Amps Wire Size Electrical Service Electrical Specifications 208 240 60 1 Voltage Hz Phase Running Amps Circuit Protection Amps Wire Size Electrical Service Electrical Specifications 240 50 1 Voltage Hz Phase Running Amps Circuit Protection Amps
4. Wire Size Electrical Service Shipping Weight Net Weight Clearance Behind Machines min 8514 233 001 rev C page 4 3 4 H P 650 CFM 510 CFM 24 0 30 10 gauge 2 wire 4 ground 208 240V 60Hz 1Phase 12 0 20 12 gauge 3 wire ground 240V 50Hz 1Phase 12 0 20 12 gauge 2 wire 4 ground 917 Ibs 857 lbs 18 2012 mm 876 mm 1441 mm 178 mm 1168 mm 651 mm 22 7 x 2 kg 826 mm 838 mm 448 liters 3510 sq cm 31 7 kW 28 3 kW 12 7 mm 127 mm 254 mm 88 9 mm 88 9 mm 292 mm 356 mm 279 mm 254 mm 203 mm 1394 sq cm 560 kW 18 4 m 3 min 14 4 m 3 min 416 kg 389 kg 457 mm T 30X2 DRVER DI MENSI ONS FRONT VI EW 8514 233 001 rev C page 5 T 30X2 DRYER DI MENSI ONS SIDE VIEW 8514 233 001 rev C page 6 T 30X2 DRYER DI MENSI ONS REAR VI EW 434 GAS SHUT OFF LOCATIO 8 INCH VENT 8514 233 001rev page7 T 50X2 DRYER DI MENSI ONS FRONT VI EW 79 1 2 8514 233 001 rev C page 8 T 50X2 DRYER DI MENSI ONS SIDE VIEW 8514 233 001 rev C page 9 T 50X2 DRYER DI MENSI ONS REAR VI EW 434 l GAS SHUT OFF LOCATION 8 INCH VENT 8514 233 001 10 INSTALLATION AND OPERATI NG I NSTRUCTI ONS UNCRATI NG AND PLACI NG DRYER Tools Required 3 4 19 mm hex socket amp ratchet driver wood block 4 100 mm or 5 125 mm thick a knife and a groove joint pliers which will open to 1 3 8 35 mm
5. 233 001 rev C page 23 10 Date Similar to Time if a problem occurs and the RTC date is not accurate it can be reset to the current date using this option a The day of the month in DATE can be set by using the Up or Down buttons to change the number that is flashing Once the desired day of the month is chosen press the Enter button to move to the month of the year Once the desired month of the year is chosen press the Enter button to move to the year Once the day month and year are all chosen the Enter button must be held down for 3 seconds to confirm that RTC is meant to be reset to the complete entry To reset all values in the Settings options to factory default press Enter when the DEFAULT prompt is shown Press Enter again when the RESET prompt is shown to confirm the action The figure below shows the sub menu options for Settings DECIMAL POINT OFF MIN DISPLAV TIME 1 MIN SEC OFF SOUNDS 0000 9999 PASSWORD ums i m ON CENTRAL PAY I 1 OFF 4 ENGLISH LANGUAGE T SPANISH FRENCH SHIFT HOURS 23 59 23 59 TIME 1 00 00 DATE 00 00 00 8514 233 001rev page 24 Usage Menu The Usage menu allows for the user to track data about machine usage See below for detailed information on each sub menu option 1 Coin Audit The coin audit field shows the accumulation of coin pulses that were sent to the control over each of the l
6. ae PSU C PROGRAMMING OS We BUTTON 5 BERE ep 0080 Run nmn eeea joooooo0 8514 233 001 16 When manual programming mode is entered the Start High Medium and Low buttons for the lower dryer perform alternate functions Please note that the changes made using the lower dryer buttons affect both upper and lower dryers Button Name Alternate Function in Programming Mode Becomes the action to accept the displayed option or the Enter ke High Becomes the action to move UP through displayed options Press 9 amp hold for accelerated scrolling A Becomes the action to move DOWN through displaved options Medium Press amp hold for accelerated scrolling Becomes the action to move back a step 1 press or EXIT from Low programming mode press for 3 seconds These alternate functions allow the user to move through a menu of options to choose various programmable settings The figure below shows the top level menu Choosing an option from the top level menu will then displav the next level of options the sub menu QUICK TEST CONTINUOUS TEST ERROR CODES PRICES DRYER CYCLES PROGRAMMIN
7. coin acceptor inputs vend price amp time and extend dry price amp time It also allows the user to return the values to factory defaults After changing prices using the Up or Down buttons the Enter button must be pressed again for the control to store the changes that have been made Note that in general time values are set in 1 minute increments This can be changed to 30 second increments by L the Display Time to MIN SEC refer to the Settings section RIGHT COIN and LEFT COIN are the two possible inputs from coin acceptors 2 PRICE SET VEND is the actual Base Vend Price or Price A that is shown the control displav The value can be increased or reduced even down to 0 In this case the displays will prompt FREE and the cycle will start as soon is the Start button is pressed without any vend price being met 3 TIME SET VEND is the cycle time that the customer has available once they ve met the Base Vend Price 4 FREE SET TIME is the cycle time that the customer has available if the Base Vend Price is set to FREE 5 EXTEND DRY sets the price and time for additional drying time that becomes available after the customer has already met the Base Vend Price To reset either the coin acceptor inputs or the vend price to factory default press Enter when the DEFAULT prompt is shown Press Enter again when the RESET prompt is shown to confirm the action Example A store
8. 1 page 28 SERVI CE PARTS PART NUMBER PART NUMBER T30X2 50 2 DRIVE BELT MOTOR 9040 077 001 9040 076 009 DRIVE BELT TUMBLER 9040 073 009 9040 073 011 LINT SCREEN FILTER 9555 057 002 9555 057 008 For service and parts information contact vour local Dexter agent To find vour local Dexter agent use the Distributor Locator at the website shown below If a Dexter agent is not available contact Dexter Laundry I nc directly as listed below Mailing Address 2211 West Grimes Avenue Phone 1 800 524 2954 Fairfield IA 52556 USA Website www dexter com 8514 233 001 rev C page 29 I nstructions Convert a Dual Voltage Stack Dryer from 120V to 208 240V with Neutral Wire Only 1 Remove incoming power from the dryer Use a known working voltmeter to check power 2 Remove the cover of both the upper and lower control box assemblies from the dryer using a 5 16 wrench 3 Move the black blue wire from the N position of the main power terminal block to the L2 position of the main power terminal block in the upper control box assembly See Figure 6 below 4 Move the white wire of the upper motor harness to an upper inner left terminal in the middle terminal block in the lower control box assembly See Figure 6 below 5 Move the orange wire of the upper motor harness to an upper inner left terminal in the middle terminal block in the lower control box assembly See Figure 6 below 6 Move the white wire of the lower motor h
9. COMMERCI AL DRVER MODEL T 30X2 amp T 50X2 VENDED C SERI ES CONTROL NATURAL GAS LP HEATED DEXIER OPERATOR S MANUAL INSTALLATION amp OPERATI ON I NSTRUCTI ONS The dryer must not be stored or installed where it will be exposed to water and or weather WARNING For your safety the information in this manual must be followed to minimize the risk of fire or explosion or to prevent property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Clear the room building or area of all occupants Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions f 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 Post the following For Your Safety caution in a prominent location FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance It is important that you read this Manual and retain it for future reference For service or replacement parts contact the distributor in your area or the manufacturer AVERTI SSEMENT Assurez vouz de bi
10. G MENU TEMP PRICING nn SETTINGS USAGE CONTROL USB MENU SEPARATE MENU Quick Test Option When the Quick Test Option is chosen the dryer will begin a shortened dry cycle without the displayed vend price being met The purpose of this shortened cycle is to test all major components for proper operation Error Codes should all function normally during this test The display will show customer prompts in a similar way to a normal dry cycle Continuous Test Option Similar to the Quick Test when the Continuous Test Option is chosen the dryer will begin a dry cycle without the displayed vend price being met However in this case it will be a continuously running cycle It will not time out after any designated amount of time CAUTION This option is meant for factory use only Do not operate the dryer with this cycle active without factory authorization 8514 233 001 rev C page 17 Error Code Historical Log The last five occurring error codes will be stored in the control with a time and date stamp The purpose of this option is only to observe the history of these code occurrences no changes can be made The time is based off the Real Time Clock but potentially shifted by the user s manual programming changes Shift Hours option and or network time override As additional error codes occur the oldest of the five logged codes is cleared from memory Prices Option This option allows the user to set values for
11. Temperature Pricing Option This option allows the user to require additional vend amounts be added based on the drving temperature chosen by the customer This pricing adder is effective only for the Base Vend Price it does not affect the Extend Dry Price It allows a pricing adder separate for Medium and Hot temperature settings Example A store owner has programmed the control for the following Vend Price 1 00 Vend Time 30 minutes Extend Dry Price 25 Extend Time 8 minutes Medium Adder 25 Hot Adder 50 In this case the Vend Price is displaved as 1 00 if Low Temperature is chosen 1 25 if Medium Temperature is chosen 1 50 if Hot Temperature is chosen When Temperature Pricing Adders are in place user has chosen a higher value then 0 00 if the customer attempts to change their temperature selection from a lower temperature to a higher one during a drving cvcle there will be no change in the temperature selection The higher temperature buttons are disabled until the drying cycle is complete and a new Vend Price is required The figure below shows the sub menu options for Temperature Pricing FREE 00 01 99 99 MEDIUM ADDER 00 01 increments TEMP PRICING F FREE 00 01 99 99 HIGH APDEE 00 01 increments 8514 233 001 rev C page 22 Settings Options The Settings options allow for the user to make various programming changes to change how the control operation af
12. The solid state ignition system lights the main burner gas by spark The gas is ignited and burns only when the gas relay in the electronic controller calls for heat The procedure for first time starting of a dryer is as follows i First review and comply with the Warnings About Use and Operation found on the inside front cover of this manual Be sure electrical power is connected correctly The dryer must be properly grounded ii Make sure all gas supply lines are purged of air Close the main gas shut off valve and wait for five minutes before turning it back on iii Turn on the main electrical power switch The dryer may be started by following the Operating Instructions found later in this manual iv Natural gas and LPG fired dryers operate in the same manner When the gas valve relay contacts are dosed indicating a demand for heat the solid state ignition control will automatically supply energy to the redundant gas valve Sparking will continue until a flame is detected by the sensing probe but not longer than ten seconds If the gas fails to ignite in 10 seconds the gas valve closes and the gas system pauses to allow gas to purge from the inside of the dryer After the pause the ignition control repeats the ignition trial cycle twice more If the gas system fails to detect ignition after the three attempts the system will lock out No further attempts will be performed automatically To reset the ignition control electrical po
13. accordance with the latest edition of the National Electric Code ANSI NFPA70 or when installed in Canada with Standard CSA C22 1 Canadian Electrical Code Part 1 2 INSTALLATI ON CLEARANCES This unit may be installed at the following alcove clearances I Left Side o Il Right Side 0 II Back 18 457 mm Certified for 6 150 mm clearance however 18 457 mm clearance is necessary behind the motors to allow servicing and maintenance IV Front 48 1220 mm to allow use of dryer V Top Refer to figure labeled Vertical Clearance Dimensions AB Certification allows 0 clearance at the top 4 100 mm back from the front However a 1 4 6 mm clearance should be allowed in case the dryer needs moving C A 10 250 mm clearance is required from top at all other points VI Floor This unit may be installed upon a combustible floor Do not obstruct the flow of combustion and ventilation air Maintain minimum of 1 25 mm clearance between duct and combustible material Refer to the label attached to the Belt Guard on the rear of the dryer for other installation information and start up instructions 3 MAKE UP AIR Adequate make up air must be supplied to replace air exhausted by dryers on all types of installations Refer to specifications for the minimum amount of make up air opening to outside for each dryer This is a net requirement of effective area Screens grills or louvers which will restrict the flow of air mu
14. arness to a lower inner left terminal in the middle terminal block in the lower control box assembly See Figure 6 below 7 Move the orange wire of the lower motor harness to a lower inner left terminal in the middle terminal block in the lower control box assembly See Figure 6 below 8 Reconnect power to the dryer and test to ensure proper operation one line voltage to L1 one line voltage to L2 the neutral to N and the earth ground to E 9 Reinstall the cover of both the upper and lower control box assemblies from the dryer using a 5 16 wrench N U L1 d N E LI QUI Na LHI 19 3100 19014 IVNIMHAL 310 MOC LHA 8514 233 001 rev C page 30
15. d operation 2 Drver Specifications 3 4 Drver Dimensions 5 10 Installation and Operating Instructions 11 Dryer Shutdown 15 Description of Dryer Control 15 Operating Instructions 15 Programming the Dryer Control 16 Servicing and Troubleshooting 27 Preventative Maintenance Instructions 28 Dual Voltage Conversion Instructions 30 WARNINGS ABOUT USE AND OPERATI ON DO NOT MODI FY THIS APPLI ANCE KEEP SHI ELDS GUARDS AND COVERS IN PLACE These safety devices are provided to protect everyone from injury It is ABSOLUTELY ESSENTIAL that the dryer be grounded to a known earth zero ground in accordance with local codes or in the absence of local codes with the latest editions of the National Electric Code ANSI NFPA 70 or Standard CSA C22 1 Canadian Electrical Code Part 1 This is not only for personal safety but is necessary for proper operation of the controller Failure to do so will void the warranty of the controller A DRYER SHOULD BE CONNECTED TO POWER FOR THREE 3 MI NUTES before it is operated or before a program change is made Operation or program changes which occur during this power up period are subject to loss in case of power interruption After the initial three minutes all programmed data is protected from power interruptions of any length and the customer s individual cycle is protected up to 3 seconds This is done without batteries LEAVE THE ELECTRI CAL POWER TO THE DRYER ON AT ALL TI MES except when necessary for
16. e hours field shows the accumulated hours of operation for both the upper and lower dryer dryers independently In many cases it will match the motor hours of the machine However separate fields are provided in the event that a motor is replaced on a machine See the Motor Hours description for more information The figure below shows the sub menu options for Usage LEFT 00000 99999 COIN AUDIT RIGHT 00000 99999 o0000 99999 lt DEFAULT RESET 00000 99999 UPPER MOTOR 1 HOURS SET HOURS 1 00000 99999 DEFAULT RESET MOTOR HOURS 4 00000 99999 USAGE LOWER MOTOR ET HOUR HOURS 5 5 00000 99999 DEFAULT RESET J 00000 99999 UPPER CYCLE ri ER Hi SET HOURS 99999 DEFAULT RESET CYCLE HOURS mi 00000 99999 LOWER CYCLE HOURS SET HOURS 00000 99999 DEFAULT r7 RESET 8514 233 001 rev C page 25 Control Menu The Control menu allows for the user to observe important technical information for the control No changes can be made at this menu See below for detailed information on each sub menu 1 Serial Number This is the control serial number 2 MAC Address The MAC Address is a unique identifier designated to the control by the manufacturer It allows the control to be recognized by network routers 3 IP Address The IP Address is the identifier given to the control by a network system
17. eft and right coin inputs Note that this is a count of coin pulses not an accumulated report of vend value a Theuser can also return the coin audit amounts to the factorv default setting zero To reset all coin audit values press Enter when the DEFAULT prompt is shown Press Enter again when the RESET prompt is shown to confirm the action 2 Motor Hours The motor hours field shows the accumulated hours of operation for both the upper and lower motors independently In many cases it will match the cycle hours of the machine However separate fields are provided in the event that a motor is replaced on a machine The user can set the motor hours to a designated number For example if it is necessary to replace the control on a machine the new control could be programmed to show the motor hours that were recorded by the previously installed control The individual digits of the hours count can be set by using the Up or Down buttons to change the number that is flashing Once the desired digit of the hours is chosen press the Enter button to move to the next digit Once the complete hours are chosen the Enter button must be held down for 3 seconds to confirm the action a The user can also return the motor hours to the factory default setting zero To reset the motor hours press Enter when the DEFAULT prompt is shown Press Enter again when the RESET prompt is shown to confirm the action 3 Cycle Hours The cycl
18. en suivre les instructions donn es dans cette notice pour r duire au minimum le risque d incendie ou d explosion ou pour viter tout dommage material toute blessure ou la mort Ne pas entreposer ni utiliser d essence ni d autres vapeurs ou liquides inflammables dans le voisinage de cet appareil ou de tout autre appareil QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ Ne pas tenter d allumer d appareil Ne touchez aucun interrupteur Ne pas vous servir des t l phones se trouvant dans le b timent vous vous trouvez vacuez la pi ce le b timent ou la zone Appelez imm diatement votre fournisseour de gaz depuis un voisin Suivez les instructions du fournisseur Si vous ne pouvez rejoindre le fournisseur de gaz appelez le service des incendies L installation et l entretien doivent tre assur s par un installateur ou un service d entretien qualifi POUR VOTRE S CURIT Ne pas enteposer ni utiliser d essence ni d autres vapeurs ou liquides inflammables dans le voisinage de cet appareil ou de tout autre appareil You the purchaser must post in a prominent loca tion instructions to be followed in the event the user smells gas Consult your local gas supplier for procedure to be followed if the odor of gas is present Dexter Laundry Inc 2211 W Grimes Fairfield lowa 52556 8514 233 001 rev C page 1 TABLE OF CONTENTS Page No Warnings about use an
19. equired Instructions for this conversion are located at this end of this manual 5 GAS REQUIREMENTS The complete gas requirements necessary to operate the dryer satisfactorily are listed on the serial plate located on the back panel of the dryer and in the specifications section of this manual The inlet gas connection to the unit is 1 2 inch pipe thread However the size of the piping to supply the dryer should be determined by reference to the National Fuel Gas Code ANSI Z223 1A and consultation with the local gas supplier A joint compound resistant to the action of liquefied petroleum gases should be employed in making pipe connections A 1 8 inch NPT plugged tapping accessible for test gage connection must be installed immediately upstream of the gas supply connection to the dryer A drip tee is provided in the unit gas piping to catch dirt and other foreign articles All pipe connections should be checked for leakage with soap solution Never check with an open flame For altitudes above 2 000 feet 610m it is necessary to derate the BTU input Contact your local distributor for instructions 8514 233 001 rev C page 12 L P gas conversion kits are available for this drver Contact vour local distributor CAUTION The drver and its individual shutoff valve must be disconnected from the gas supplv piping svstem during anv pressure testing of that svstem at test pressures in excess of 1 2 psig 34 5 mbar The dryer must be isola
20. fects the customer See below for detailed information on each next level option 1 2 Decimal Point If the user programs the Decimal Point to OFF control display will not show a decimal point on any vend price values The factory default is ON Display Time If the user programs this value to MIN then minutes only will be shown for the cycle time If it is programmed to MIN SEC then minutes and seconds will be shown This also allows other programming changes involving time to be made in either minute increments or minutes amp seconds increments as desired Temp Scale If the user programs this value to F then the temperatures will be displayed in Fahrenheit units If it is programmed to C then the temperature will be in Celsius units Sounds If the user programs the Sounds to OFF the control will not sound the enunciator at the end of a dry cycle The factory default is ON Password If the user programs the password to any value other then 0000 the control will prompt the user to enter a password the programmed value before manual programming can be accessed The factory default is 0000 no password a Note that if the user forgets the Password it can be reset to factory default no password by performing a hard reset on the control Please refer to the appropriate section of this manual to understand how to perform a hard reset b The individual digits of the Password can be set by usin
21. g the Up or Down buttons to change the number that is flashing Once the desired number is chosen for a single digit press the Enter button to move to the next one Once all four desired digits are chosen the Enter button must be held down for 3 seconds to confirm that the complete password should be set Central Pay If the user programs this value to ON the left and right coin inputs become upper and lower dryer coin inputs Central Pay OFF Central Pay ON Left Coin Input Upper Dryer Input Right Coin Input Lower Dryer Input A system can then be installed that will register coin inputs per individual dryer remotely from a Central Pay kiosk The left and right coin prices must be appropriately programmed When this option is enabled the controller will only display customer prompts for a designated dryer This designated dryer is determined when coins are inserted at the Central Pay kiosk Language The control uses English for the default language of the customer prompts Alternatively the user can choose Spanish or French for the customer display prompts However all other prompts such as Manual Programming USB Programming and any Error Codes will still display in English Shift Hours This feature allows the user to shift the time used by the control from the time kept internally by the control The control uses a Real Time Clock RTC to internally track the time and date The RTC continues operation even if the control lo
22. is case when the customer chooses the Low setting the dryer will not turn on the gas valve When checked the displayed temperature will read NO HEAT 3 COOLDOWN allows the user to change the designated time at the end of a cycle where the gas valve relay is turned off On High and Medium temperature settings the designated time cannot be reduced to less than 2 minutes 4 DEFAULT TEMP allows the user to choose which general temperature setting High Medium or Low the control will default to at the beginning of each cycle if the customer does not make a choice 5 ANTI WRINKLE is a feature that periodically rotates the dryers after a cycle is complete If the door was closed at the end of the cycle and is left closed for 5 minutes the enunciator will sound and the display begins scrolling ANTI WRINKLE 5 seconds later the dryer motor will turn on for 60 seconds and then turn off The gas valves will not be turned on The ANTI WRINKLE message will continue throughout the time that the motor is turned on The user can choose to enable or disable this feature To reset all values in the Cycles option to factory default press Enter when the DEFAULT prompt is shown Press Enter again when the RESET prompt is shown to confirm the action 8514 233 001 rev C page 20 The figure below shows the sub menu options for Cvcles 120 170 F 150 190 F 5 8514 233 001rev 21
23. nd price PROGRAMMI NG THE DRYER CONTROL The dryer control can be programmed to prompt the user for alternate vend prices change dryer cycle times temperatures and many other options This can be accomplished in two ways 1 Manual programming utilizing the Start High Medium and Low buttons for the bottom dryer 2 USB download of a customizable User File For instructions on using the USB download feature please contact your local Dexter distributor or visit DexterLive com MANUAL PROGRAMMI NG The dryer must be in idle mode for the manual programming menus to be accessed Idle mode is when the dryer is not actively running a drying cycle and the vend price is displayed on the screen for both upper and lower dryers To enter the manual programming mode the control tray on the dryer must be unlocked and pulled out to reveal the programming button The programming button is then pressed for 1 second The control should display DRYER PROGRAMMING See the figure below for the location of the programming button on the control tray ku nap E T LD q 3 e m ES 22 J Ex IT 5 H B sese SE Ca s m ud 0m fx ji c3 uM om n 520 cp B B Ji x 7
24. ompletely closed Lint Compartment Door Check that Lint Compartment Door is completely closed Drive Belts Check drive belts for excessive wear Replace as needed Tumbler Turns but no Gas shut off valve Make sure gas shut off valve is in the open position burner flame is present Ignition Module Follow the procedure for checking the ignition cycle listed in Dryer Ignition section of this manual Slow Drying Control Check that proper Temperature setting is chosen Lint Screen Clean Lint Screen Air flow Restrictions Follow installation guidelines for static back pressure and Make up Air make up air Exhaust Check exhaust for obstructions follow installation guidelines Temp Sensor Short or Temperature Sensor Press programming button to clear Error Code If Error Temp Sensor Open Error code persists contact Dexter agent for assistance Code displayed on control PCB Error or Comm Control Error Cycle power to dryer to clear Error Code If Error Code Error code displayed on persists contact Dexter Agent for Assistance control 8514 233 001 rev C page 27 PREVENTI VE MAI NTENANCE I NSTRUCTI ONS DAILY l Clean the lint screen Use a soft brush if necessary 2 Check the lint screen for tears Replace if necessary 3 Clean lint from the lint screen compartment MONTHLY 1 Remove lint accumulation from the end bells of the motor 2 Remove lint accumulation from front control area 3 Rem
25. ove lint and dirt accumulation from the top of the dryer and all areas above below and around the burners and burner housing Failure to keep this portion of the dryer clean can lead to a build up of lint creating a fire hazard Place a few drops of light oil on the clothes door hinge 5 Grease the bearings and the shaft of the intermediate drive pulley Use an Alemite grease gun and Molykote BR2 S grease QUARTERLY 1 Check the belts for looseness wear or fraying Inspect the gasket of the door glass for excessive wear Check tightness of all fasteners holding parts to support channel Check tightness of all set screws Inspect the impeller for tightness of the blades to hub Check the tightness of the tumbler shaft retaining bolt Remove the air flow switch assembly and check the tumbler thru bolts for tightness Remove lint accumulation from the primary air ports in the burners Apply a few drops of oil to each spacer tube on the tension arm assembly 10 Grease the pivot pins and the tension arms where in contact with each other SEMI ANNUALLY 1 Remove and clean the main burners 2 Remove all orifices and examine for dirt and hole obstruction 3 Remove all lint accumulation Remove the front panel and the lint screen housing and remove lint accumulation ANNUALLY 1 Check the intermediate pulley bearings for wear 2 Check and remove any lint accumulation from the exhaust system n BRUM 8514 233 00
26. owner has programmed the control for the following values Base Vend Price 1 00 Base Vend Time 30 minutes Extend Dry Price 25 Extend Dry Time 8 minutes In this case the customer adds 4 quarters to satisfy the 1 00 Vend Price The display shows 30 minutes of drying time At this point if an additional quarter is added the customer display shows an additional 8 minutes of drying time 38 minutes total as per the Extend Dry Price amp Time The customer starts the drying cycle and at 25 minutes into the cycle 13 minutes displayed they add an additional quarter The controller adds 8 minutes to the displayed time again 21 minutes total as per the Extend Dry Price amp Time AFTER CYCLE allows the user to choose whether a customer is allowed to add EXTEND DRY time for up to 30 seconds after the dryer door is opened after a completed cycle 8514 233 001 rev C page 18 The figure below shows the sub menu options for Prices 8514 233 001 rev C page 19 Cvcles Option This option allows the user to set temperature and cooldown information for the drying cycle It also allows the user to return the values to factory defaults 1 TEMP SETTI NGS allows the user to make adjustments within a designated range to the cycling temperature for each of the Low Medium and High customer choices 2 n addition on the Low setting the user can reduce the cycling temperature below 110 degrees F In th
27. ral dryers where a main discharge duct is necessary will need the following considerations for installation see Figure 3 Individual 8 200 mm exhaust ducts from each dryer should enter main discharge duct at a 45 degree angle in the direction of discharge airflow NOTE Never install the individual ducts at a right angle into the main discharge duct The individual ducts from the dryers can enter at the sides or bottom of the main discharge duct Figure 3 indicates the various round main duct diameters to use with the individual dryer ducts The main duct can be rectangular or round provided adequate airflow is maintained The total exhausting main discharge duct plus duct outlet from the dryer should not exceed the equivalent of 14 ft 4 25 m and two elbows The diameter of the main discharge duct at the last dryer must be maintained to exhaust end 8514 233 001 rev C page 13 NOTE A small diameter duct will restrict airflow a large diameter duct will reduce air velocity both contributing to lint build up An inspection door should be provided for periodic clean out of the main duct DIAMETER TO INCREASE AS SHOWN ZU ZO M Z A INCHES Z LL FE Z N INSTALL EC U I UU LC M DR G ia 200 MUST ENTER 45 ANCLE X EXHAUST All SEE INSTRUCTIONS INSPECTION lt OVEI FIGURE Dryer Exhausting Using Main Discharge Duct 7 DRVERIGNITION SOLID STATE IGNITION
28. s recommended that no more than 14 ft 4 25 m of straight 8 in diameter pipe with two right angle elbows be used for each cylinder Maintain a minimum of 1 25mm clearance between duct and combustible material If the exhaust pipe passes through a wall a metal sleeve of slightly larger diameter should be set in the wall and the exhaust pipe passed through this sleeve This practice is required by some local codes and is recommended in all cases to protect the wall This type of installation should have a means provided to prevent rain and high winds from entering the exhaust when the dryer is not in use A hood with a hinged damper can be used for this purpose Another method would be to point the outlet end of the pipe downward to prevent entrance of wind and rain In either case the outlet should be kept clear by at least 24 in 610 mm of any objects which would cause air restriction Never install a protective screen over the exhaust outlet When exhausting a dryer straight up through a roof the overall length of the duct has the same limits as exhausting through a wall A rain cap must be placed on top of the exhaust and must be of such a type as to be free from clogging The type using a cone shaped roof over the pipe is suitable for this application Exhausting the dryer into a chimney or under a building is not permitted In either case there is a danger of lint buildup which can be highly combustible Installation of seve
29. selected by the user is indicated by the red lights at the top and bottom When the dryer is in use the drying temperature may be displayed by simultaneously pressing the start button and the button of the temperature selected OPERATI NG I NSTRUCTI ONS STARTI NG THE DRYER 1 Load clothes into either the upper or lower dryer or both Close the door s completely 2 Deposit coins equal to or greater than the displayed vend price The control will prompt the user to choose a drying temperature Time is not added until this occurs for either the upper or lower dryer 3 Select drying temperature by pressing the appropriate button for the dryer to be used This will turn on the red light showing the selected temperature 4 Press start button to start dryer This will display the drying time purchased RUNNI NG THE DRYER Opening the door will stop the dryer The dryer will restart if time has not expired upon closing the door and pressing the start button 8514 233 001 rev C page 15 Selected temperature mav be changed at anv time unless Temperature Pricing feature is activated Running time may be extended by depositing coins and pressing the start button for the correct dryer Unless time has expired the controller will accept coins whether or not the original vend price is equaled If time has run out the dryer must be restarted as if it was at the beginning of drying the load which requires meeting or exceeding the ve
30. service or other similar activities The hour meter function adds only full hours to its reading If the power is shut off every night any fraction of an hour of time that is on the machine at that time will be lost Turning the power off every night could also have some effect on the long term life of the memory after a number of years Turning power off occasionally won t affect the unit THIS DRYER IS EQUI PPED WI TH AN OVER TEMPERATURE THERMOSTAT located on the end of the burner housing above the gas valve Should the dryer cease to operate refer to your Service Procedure and Parts Data book for instructions CHECK THI S THERMOSTAT WHEN INSTALLI NG DRYER to assure it is not tripped Impacts such as rough handling in shipment may trip the thermostat It may be reset by inserting a wooden pencil or dowel through the bushing in the cover DO NOT SPRAY AEROSOLS IN THE VICI NI TY OF THI S APPLI ANCE while in operation THI S APPLI ANCE SHALL NOT BE USED TO DRY OFF SOLVENTS OR DRY CLEANI NG FLUI DS 8514 233 001 rev C page 2 SPECI FI CATI ONS 30 Ib Commercial Stack Dryer T 30x2 DC30X2NA 65EC1X 60 Hz DC30X2NA 39AC1X 50 Hz Cabinet Height Assumes minimum leveling leg adjustment Cabinet Width Overall Depth Floor to Bottom of Door Bottom Dryer Floor to Bottom of Door Top Dryer Door Opening Dry Wt Capacity Cylinder Diameter Cylinder Depth Cylinder Volume Lint Screen Area Gas Input per dryer 60 hz Gas Input per dr
31. ses external power The RTC is set for Central Standard Time and no daylight savings Because the machine may be located in another time zone the user can choose to create an alternate time amp date that tracks in parallel to the RTC When this alternate time is chosen or shifted from the RTC the alternate time will be used to for example track error code occurrences and set time of day pricing changes a The hours in SHIFT HOURS can be set by using the Up or Down buttons to change the number that is flashing Once the desired hour shift is chosen press the Enter button to move to the minutes Once the hours and minute shift are both chosen the Enter button must be held down for 3 seconds to confirm that the complete shifted time is set Time The control uses a Real Time Clock RTC to internally track the time and date The RTC continues operation even if the control loses external power The RTC is set for Central Standard Time and no daylight savings However if a problem occurs and the RTC time is not accurate it can be reset to the current time using this option a The hours in TIME can be set by using the Up or Down buttons to change the number that is flashing Once the desired hour is chosen press the Enter button to move to the minutes Once the hours and minute are both chosen the Enter button must be held down for 3 seconds to confirm that RTC is meant to be reset to the complete entry 8514
32. st be considered Consult the supplier to determine the free area equivalent for the grill being used The source of make up air should be located sufficiently away from the dryers to allow an even airflow to the air intakes of all dryers Multiple openings should be provided 8514 233 001 rev C page 11 6 MM 250 TOP OF DRYEI SIDE OF DRYEI FRONT OF DRYER FIGURE 2 Vertical Clearance Dime The sources of all make up air and room ventilation air movement to all dryers must be located away from any dry cleaners This is necessary so that solvent vapors will not be drawn into the dryer inlet ducts Dry cleaner solvent vapors will decompose in contact with open flame such as the gas flame present in clothes dryers The decomposition products are highly corrosive and will cause damage to the dryer s ducts and clothes loads 4 ELECTRICAL REQUIREMENTS The electrical power requirements necessary to operate the unit satisfactorily are listed on the serial plate located on the back panel of each dryer and in the specifications section of this manual The electrical connection should be made to the terminal board on the rear of the unit It is absolutely necessary that the dryer be grounded to a known ground Individual circuit breakers for each stacked dryer are required Dryer 65 models are adjusted for 120V as shipped They can be converted to 208 240V neutral required as r
33. ted from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 34 5 mbar 6 EXHAUST INSTALLATION Refer to Figure 3 Exhausting of the dryer s should be planned and constructed so that no air restrictions occur Any restriction due to pipe size or type of installation can cause slow drying time excessive heat and lint in the room From an operational standpoint incorrect or inadequate exhausting can cause a cycling of the high limit thermostat which shuts off the main burners and results in inefficient drying The exhaust duct connection near the top of the dryer will accept an 8 200 mm round duct Individual exhausting of the dryers is recommended All heat moisture and lint should be exhausted outside by attaching a pipe of the proper diameter to the dryer adapter collars and extending it out through an outside wall This pipe must be very smooth on the inside as rough surfaces tend to collect lint which will eventually clog the duct and prevent the dryer from exhausting properly All elbows must be smooth on the inside All joints must be made so the exhaust end of one pipe is inside the next one downstream The addition of an exhaust pipe tends to reduce the amount of air the blower can exhaust This does not affect the dryer operation if held within practical limits For the most efficient operation it i
34. wer to the ignition control must be interrupted This can be done by opening the dryer door stopping the dryer for 15 seconds Closing the door and pushing the Start button will repeat the ignition trial cycle 8 MAIN BURNER ADJUSTMENT The primary air shutter of each main burner must be properly adjusted for the correct air gas ratio Loosen the shutter locking screw Adjust the shutter by closing it sufficiently to give a blue flame with a yellow tip Next open the shutter until the yellow tips are at a minimum After adjustment securely lock each shutter in position by tightening the shutter locking screws 8514 233 001 rev C page 14 DRVER SHUTDOWN To render the dryer inoperative turn off the main gas shut off valve and disconnect the electrical supply to the dryer DESCRI PTI ON OF DRYER CONTROL TART HIGH E L E E LOWE l E TART HIGH H L Both dryers are operated by the controller at the left midpoint of the dryer The controller is two in one with the upper display and lights dedicated to the upper dryer and lower display and lights dedicated to the lower dryer When money has been deposited the control will prompt the user to choose a drying temperature and press the start button Time is not added until this occurs for either the upper or lower dryer If no purchased time is available on the control the vend price is displayed The drying program temperature
35. yer 50 hz Gas Supply Connection Natural Gas Supply Water Column Natural Burner Manifold 60 hz Water Column 50 hz Water Column L P Supply Water Column L P Burner Manifold Pressure 60 hz Water Column 50 hz Water Column Exhaust Size Make up Air Example 1 5 sq ft 2 1 ft long X 1 5 ft wide Motor Size Airflow 60 hz Airflow 50 hz Electrical Specifications 120 60 1 Voltage Hz Phase Running Amps Circuit Protection Amps Wire Size Electrical Service Electrical Specifications 208 240 60 1 Voltage Hz Phase Running Amps Circuit Protection Amps Wire Size Electrical Service Electrical Specifications 230 50 1 Voltage Hz Phase Running Amps Circuit Protection Amps Wire Size Electrical Service Shipping Weight Net Weight Clearance Behind Machines min 8514 233 001 rev C page 3 76 1 4 1937 mm 31 1 2 800 mm 49 3 4 1264 mm 7 3 4 197 mm 45 1 2 1156 mm 22 5 8 575 mm 30 x 2 Ibs 13 6 x 2 kg 30 762 mm 27 1 2 699 mm 11 25 cu ft 319 liters 453 sq in 2923 sq cm 90 000 Btu hr 26 4 kW 74 000 Btu hr 21 7 kW 1 2 12 7 mm 5 10 127 mm 254 mm 3 5 88 9 mm 3 4 86 4 mm 11 5 14 292 mm 356 mm 11 279 mm 10 254 mm 8 203 mm 1 5 sq ft 1394 sq cm 1 2 H P 373 kW 600 CFM 17 0 m 3 min 500 CFM 14 2 m 3 min 120V 60Hz 1Phase 19 6 30 10 gauge 2 wire 4 ground 208 240V 60Hz 1Phase 10 0 15 12 gauge 3 wire ground 230V 50Hz 1Phase
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