Wascomat D783 Manual
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Installation manual
Tumble dryer
D783
Type N2...
438905429/US
2018.02.09
Wascomat Commercial Laundry Equipment
516-371-4400 www.wascomat.com

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Paul Cascio
July 29, 2025

Where is the gas reset button?

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Summary of Contents for Wascomat D783

  • Page 1 Installation manual Tumble dryer D783 Type N2... 438905429/US 2018.02.09 Wascomat Commercial Laundry Equipment 516-371-4400 www.wascomat.com...
  • Page 2: Tech Support

    WARRANTY CLAIMS Wascomat’s Technical Support Staff will honor valid manufacturer’s parts warranty claims providing your Wascomat machines are registered for warranty coverage upon installation. If they are not registered, you can validate your warranty claim by providing information about when and where you purchased the Wascomat machine(s), the model and serial number(s).
  • Page 3: Fire Or Explosion Hazard

    Safety WARNING: FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury, death or property damage. 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.
  • Page 4 Safety WARNING: The dryer is intended for use only with fabrics that have been washed with water. WARNING: To avoid fire hazard, do not dry articles containing foam rubber or similarly textured rubberlike materials. WARNING: ALL OPERATING AND MAINTENANCE PROCEDURES SHOWN ON THE NEXT PAGE OF THIS MANUAL MUST BE FOLLOWED DAILY FOR PROPER OPERATION OF YOUR MACHINE.
  • Page 5 Safety NOTICE TO: OWNERS, OPERATORS AND DEALERS IMPROPER INSTALLATION AND INADEQUATE MAINTENANCE, POOR HOUSEKEEPING AND WILLFUL NEGLECT OR BYPASSING OF SAFETY DEVICES MAY RESULT IN SERIOUS ACCIDENTS OR INJURY. TO ASSURE THE SAFETY OF CUSTOMERS AND/OR OPERATORS OF YOUR MACHINE, THE FOLLOWING MAINTENANCE CHECKS MUST BE PERFORMED ON A DAILY BASIS. Prior to operation of the machine, check to make certain that all operating instructions and warning signs are affixed to the machine and legible.
  • Page 6: Pour Votre Sécurité

    Safety AVERTISSEMENT : RISQUE D’INCENDIE OU D’EXPLOSION Si les avertissements de sécurité ne sont pas suivis à la lettre, cela risque d'entraîner des blessures graves, la mort ou des dégâts matériels. Ne stockez pas et n'utilisez pas de carburant ou tout autre liquide ou vapeur inflammable à...
  • Page 7 Safety Le séchoir est destiné à être utilisé uniquement avec des tissus qui ont été lavés à l'eau. AVERTISSE- MENT : Pour éviter tout risque d'incendie, ne séchez pas d'articles contenant du caoutchouc AVERTISSE- mousse ou des matériaux texturés similaires au caoutchouc. MENT : AVERTISSEMENT : TOUTES LES PROCÉDURES DE FONCTIONNEMENT ET DE MAINTENANCE INDIQUÉES À...
  • Page 8 Safety NOTICE POUR : LES PROPRIÉTAIRES, OPÉRATEURS ET REVENDEURS UNE INSTALLATION INCORRECTE, UNE MAINTENANCE INADÉQUATE, UN MAUVAIS ENTRETIEN MÉNAGER ET LA NÉGLIGENCE VOLONTAIRE OU LE CONTOURNEMENT DES DISPOSITIFS DE SÉCURITÉ PEUVENT ENTRAÎNER DES ACCIDENTS OU DES BLESSURES GRAVES. POUR ASSURER LA SÉCURITÉ DES CLIENTS ET/OU DES OPÉRATEURS DE VOTRE MACHINE, LES CONTRÔLES DE MAINTENANCE SUIVANTS DOIVENT ÊTRE EFFECTUÉS SUR UNE BASE QUOTIDIENNE.
  • Page 9: Peligro De Incendio O De Explosión

    Safety ADVERTENCIA: PELIGRO DE INCENDIO O DE EXPLOSIÓN Si no se siguen exactamente las advertencias de seguridad, podrían producirse lesiones graves, la muerte o daños materiales. No almacene ni utilice gasolina u otros vapores y líquidos inflamables en las cercanías de ésta o de otras máquinas. QUÉ...
  • Page 10 Safety La secadora ha sido diseñada para su uso únicamente con tejidos que se han lavado ADVERTEN- con agua. CIA: ADVERTEN- Para evitar un riesgo de incendio, no secar artículos que contengan gomaespuma o materiales gomosos con una textura similar. CIA: ADVERTENCIA: TODOS LOS PROCEDIMIENTOS DE MANEJO Y MANTENIMIENTO QUE APARECEN EN LA SIGUIENTE PÁGINA DE ESTE MANUAL DEBERÁN SEGUIRSE DIARIAMENTE...
  • Page 11 Safety AVISO PARA: PROPIETARIOS, OPERADORES Y DISTRIBUIDORES UNA INSTALACIÓN INCORRECTA Y UN MANTENIMIENTO INADECUADO, UNA MALA CONSERVACIÓN Y LA OMISIÓN DELIBERADA O PUENTEO DE LOS DISPOSITIVOS DE SEGURIDAD PODRÍA RESULTAR EN ACCIDENTES O LESIONES GRAVES. PARA GARANTIZAR LA SEGURIDAD DE LOS CLIENTES Y/O LOS OPERADORES DE SU MÁQUINA, DEBERÁN REALIZARSE LAS COMPROBACIONES DE MANTENIMIENTO SIGUIENTES A DIARIO.
  • Page 12: Notice To Installer

    Refer to complete installation instructions provided in manuals accompanying the machine. Contact Wascomat Technical Support with any questions BEFORE installing this machine. Damage resulting from inadequate installation materials or improper installation techniques will...
  • Page 13: Electrical Information

    Safety Electrical Information It is your responsibility to have ALL electrical connections (including grounding) made by a properly licensed and competent electrician to assure that the electrical installation is adequate and conforms with local and state regulations or codes. In the absence of such codes, ALL electrical connections, material, and workmanship must conform to the applicable requirements of the NATIONAL ELECTRIC CODE ANSI/NFPA NO.
  • Page 14: Gas Information

    The input ratings shown on the dryer data label are for elevations of up to 1,999 feet. The adjustment or conversion of the dryer(s) in the field for elevations over 2,000 feet are made by changing each burner orifice. If these conversions are necessary, contact your local dealer or the Wascomat Sales Department.
  • Page 15 Safety Natural Gas If the pressure is too low, ignition failure and/or slow drying times may result. Excessively high supply pressure will result in erratic operation of the gas valves internal pressure regulator. Further information in section: Gas connection. Propane Gas Dryers made for use with propane gas have the gas valve pressure regulator blocked open, so that the gas pressure must be regulated upstream of the dryer.
  • Page 17: Table Of Contents

    Contents Contents 1 Safety Precautions ..........................19 General safety information......................21 Commercial use only........................21 Symbols..........................21 2 Technical data...........................22 Drawing ..........................22 Technical data .........................23 Connections ..........................23 3 Setup ...............................24 Unpacking ..........................24 Siting ............................25 Mechanical installation ......................25 4 Marine installation ..........................26 5 Reversing the door ..........................27 6 Evacuation system ..........................30 Air principle ..........................30 Fresh air..........................31...
  • Page 19: Safety Precautions

    Installation manual 1 Safety Precautions • The machine is not to be used if industrial chemicals have been used for cleaning. • Do not dry unwashed items in the machine. • Items that have been soiled with substances such as cooking oil, ace- tone, alcohol, petrol, kerosene, spot removers, turpentine, waxes and wax removers should be washed in hot water with an extra amount of detergent before being dried in the machine.
  • Page 20 Installation manual • When the power is disconnected, the operator must see that the ma- chine is disconnected (that the plug is removed and remains removed) from any point to which he has access. If this is not possible, due to the construction or installation of the machine, a disconnection with a locking system in the isolated position shall be provided.
  • Page 21: General Safety Information

    Installation manual with the appliance. Cleaning and user maintenance shall not be made by children without supervision. • Additional requirements for other countries: – This appliance is not intended for use by persons (including chil- dren) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given super- vision or instruction concerning use of the appliance by a person responsible for their safety.
  • Page 22: Technical Data

    Installation manual 2 Technical data 2.1 Drawing Operating panel Door opening, ⌀ 810 mm / ⌀ 31 7/8 inch Electrical connection Gas connection Exhaust connection Steam: in Steam: out B(a) B(b) 1560 1640 1857 inch 37 13/16 61 7/16 64 9/16 73 1/8 28 3/8 1490...
  • Page 23: Technical Data

    Installation manual 2.2 Technical data Weight, net Drum volume litres 23.8 Drum diameter inch 35 15/16 Drum depth inch Drum speed, medium load Rated capacity, filling factor 1:18 (Max. load) 37.5 82.7 Rated capacity, filling factor 1:22 (Recommended load) 30.6 67.5 Heating: Electricity Heating: Gas...
  • Page 24: Setup

    Installation manual 3 Setup 3.1 Unpacking Note! Two persons are recommended for the unpacking. The machine is delivered complete with supporting feet. The machine is delivered bolted onto the transport pallet and packed in a crate or box. Remove packing from the machine. Remove the bolts between the machine and pallet.
  • Page 25: Siting

    Installation manual 3.2 Siting The machine should be positioned so that there is plenty of room for working, both for the user and service personnel. The figure shows minimum distance to a wall and/or other machines. Min. 20 mm / 13/16 inch fig.7187 3.3 Mechanical installation...
  • Page 26: Marine Installation

    Installation manual 4 Marine installation To ensure steadiness of the machine it is important to fasten the machine to the foundation. Fasten the four fittings (supplied with the marine machine model) to the foundation using four x M10 set screws. If the four fittings are not supplied, order kit No.
  • Page 27: Reversing The Door

    Installation manual 5 Reversing the door Disconnect the power to the machine. Demount the hinges and remove the door. Remove the upper hinge first. fig.7166 Remove the screws on the front panel and carefully loosen the panel. Push the door switch cable down through the hole in order to access the cable and then disconnect the cable.
  • Page 28 Installation manual Loosen the nuts and move the two brackets to the opposite side. fig.7171 Move the door switch on the front panel. fig.7172...
  • Page 29 Installation manual Move the four metal clips from the opposite side. fig.7174 Connect the door switch cable and push the cable in over the drum and pull it upwards. fig.7549 Remount the front panel. Ensure that the door switch cable does not get damaged when remounting the front panel. Fasten the hinges and mount the door on the opposite side.
  • Page 30: Evacuation System

    Installation manual 6 Evacuation system 6.1 Air principle The fan creates low pressure in the machine, drawing air into the drum via the heating unit. The heated air passes through the garments and the drum holes. The air then flows out through a lint filter positioned below the drum. Then the air is evacuated through the fan and exhaust system.
  • Page 31: Fresh Air

    Installation manual 6.2 Fresh air For maximum efficiency and the shortest possible drying time, it is important to ensure that fresh air is able to enter the room from the outside in the same volume as that blown out of the room. To avoid draught in the room it is important to place the air inlet behind the machine.
  • Page 32: Shared Exhaust Duct

    Installation manual 6.4 Shared exhaust duct It is recommended that each machine is connected to a separate exhaust duct. When several machines shall use the same exhaust duct the exhaust duct must increase after each machine. Number of machines ⌀ mm Exhaust duct ⌀...
  • Page 33: Adjusting The Dryer

    Heating / Frequency Static pressure in Resulting Nominal air flow cold empty NTC sensor position machine (Pa / PSI) /h / ft D783 Electric / 50 Hz 500 / 0.073 1140 / 40259 D783 Electric / 60 Hz 1150 / 0.166...
  • Page 34 Installation manual Alternative measuring meathod Adjusting the air flow may only be carried out by authorized personnel. Use a home made U tube manometer, a hose (max ⌀ 10 mm), with water. Insert one end of the hose in the hole, hold the hose according to the picture so that the water is in level.
  • Page 35: Steam Connection

    Installation manual 7 Steam connection 7.1 Connecting the steam Note! The steam supply must be cut off and must not be under pressure. • The branch pipe’s must be located at the top of the main steam pipe to prevent condensation in the steam. •...
  • Page 36: Steam Calorifier

    Installation manual 7.2 Steam calorifier Mount the steam calorifier Unpack the steam calorifier. Demount the back panel on the machine. Demount the supporting rail on the machine (A). Note which way the supporting rail turns as it has to be remounted the same way.
  • Page 37: Gas Connection

    Installation manual 8 Gas connection 8.1 General Caution It is your responsibility to have all plumbing connections made by a qualified professional to insure that the gas plumbing installation is adequate and conforms with local and state regulations or codes. In the absence of such codes, ALL plumbing connections, material, and workmanship must conform to the applicable requirements of the National Fuel Gas Code ANSI Z223.1 LATEST EDITION or the CAN/CGA—B149, INSTALLATION CODES, both the latest edition.
  • Page 38: Table Of Pressure And Adjustment

    Installation manual 8.3 Table of pressure and adjustment Gas category Heating power Inlet pressure Injector pressure Injector size (⌀ Air reducing plate Label number (BTH/h) (WC") (WC") (mm) Natural 143400 4.00 490359201 Default A = 18 Propane 143400 2.40 490359201 490355721 A = 18 When a machine with liquid petroleum gases shall be installed or used on high altitude (2001 feet and higher) a kit...
  • Page 39: Converting Instructions

    Installation manual 8.5 Converting instructions • Disconnect the power to the machine. • Demount the lower back panel. • Remove the air reducing plates. • Remove the nozzle (1). • Mount the new supplied nozzle. • Mount the new air reducing plates according to the table. fig.7182 •...
  • Page 40: Data Label

    Installation manual 8.6 Data label When the machine is to be converted to another gas type, the data label at the rear of the machine must be updated in order for the data to be correct. Place the data label enclosed in the conversion kit on top of the data label as shown below. If there are more than one data label, select the label with the correct country code and gas type.
  • Page 41: Single-Phase Connection

    Installation manual 9.2 Single-phase connection Demount the cover panel from the supply unit. Connect the earth and other wires as shown. 1NAC When the installation is completed remount the cover panel and check: • That the drum is empty. • That the machine operates by connecting the power to the machine and start a program with heat.
  • Page 42: Three-Phase Connection

    Installation manual 9.3 Three-phase connection Demount the cover panel from the supply unit. Connect the earth and other wires as shown. 3NAC 3NAC When the installation is completed remount the cover panel and check: • That the drum is empty. •...
  • Page 43: Functions For I/O-Cards

    Installation manual 9.5 Functions for I/O-cards The electrical schematic can be one of the following: 9.5.1 Central payment (2J) To start the machine from a central payment system, the payment system must transmit a start pulse 300–3000 ms (500 ms is recommended) with a minimum pause of 300 ms (500 ms is recommended) between two pulses. The start pulse can be either 230V or 24V.
  • Page 44: Central Payment (2J)

    Installation manual 9.5.2 Central payment (2J) The central payment or booking system shall transmit an active (high) signal to the machine once permission has been granted to start the machine. The signal must remain active (high) during drying. When the signal gets inactive (low) the machine will abort ongoing program and enter cooling.
  • Page 45: External Coin Meter/Central Payment (2K)

    Installation manual 9.5.3 External coin meter/Central payment (2K) The signal received from external coin meters must be a pulse between 300–3000 ms (500 ms is recommended) with a minimum pause of 300 ms (500 ms is recommended) between two pulses. fig.7438...
  • Page 46: Price Reduction (2K)

    Installation manual 9.5.4 Price reduction (2K) By maintaining an activated (high) signal on connection 5 ("Price red"), the price of the program can be reduced. This function has a number of uses, including providing reductions during a specific period of the day. Whilst the signal re- mains active (high), the price of the program is reduced (or the time is increased on time programs), by the percent- age entered in the price programming menu.
  • Page 47: At First Power Up

    Installation manual 10 At first power up When the installation is complete and the power is connected for the first time you will be forced to make the following settings. When one setting is ready you will automatically enter the next one. •...
  • Page 48: Function Check

    Installation manual 11 Function check May only be carried out by qualified personnel. A function check must be made when the installation is finished and before the machine can be ready to be used. Whenever a repair has been made, a function check must be performed before the machine can be used again. Check the automatic stop of the machine •...
  • Page 49 Installation manual Check the heat • Let the machine work for five minutes on a program with heat. • Check that the heating is working by opening the door and feel if there is heat in the drum. Ready to use If all tests are OK the machine is now ready to be used.
  • Page 52 www.wascomat.com...

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