OPERATING & MAINTENANCE MANUAL WASCOMAT JUNIOR W 75 WASCOMAT SUPER JUNIOR W 105 WASCOMAT SENIOR W 125 WASCOMAT GIANT W 185 HI-TEK 471 1562-67 WARNING: ALL OPERATING AND MAINTENANCE PROCEDURES SHOWN ON THE NEXT PAGE OF THIS MANUAL MUST BE FOLLOWED DAILY FOR PROPER OPERATION OF YOUR WASCOMAT MACHINE. PLEASE ENTER THE FOLLOWING INFORMATION AS IT APPEARS ON THE MACHINE(S) DATA PLATE(S). MACHINE TYPE OR MODEL MACHINE SERIAL NUMBER(S) ELECTRICAL CHARACTERISTICS: ________ VOLTS, _______ PHASE, ______ HZ.
II NOTICE TO: OWNERS, OPERATORS AND DEALERS OF WASCOMAT MACHINES 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. 1.
SAFETY AND WARNINGS SIGNS Replace If Missing Or Illegible One or more of these signs must be affixed on each machine as indicated, when not included as part of the front instruction panel. LOCATED ON THE OPERATING INSTRUCTION SIGN OF THE MACHINE: CAUTION PRECAUCION 1. Do not open washer door until cycle is completed, operating light is off, and wash cylinder has stopped rotating. 1.
Wascomat Junior W75 • Wascomat Super Junior W105 Wascomat Senior 125 • Wascomat Giant W185 Contents Introduction ...................................................................... 1 Technical data .................................................................. 2 Installation ........................................................................ 7 Safety rules .................................................................... 14 Mechanical and electrical design ...................................
Introduction 1 Introduction F The Wascomat Junior, Super Junior, Senior and Giant models washer/ extractor has been developed to cover the heavy duty requirements of hotels, motels, nursing homes, hospitals, professional laundries, restaurants, airlines, steamships, schools, colleges and all on-premises laundries where high quality automatic washing and quick formula variation are required.
2 Technical data Technical data Wascomat Junior W75 Dry load capacity up to Overall dimensions Width 660 mm 26 in Depth 649 mm 25 9/16 in Height 1050 mm 41 11/32 in Net weight 107 kg 235 lbs Dyn force 1.2 ± 2.6 kN 290±620 lbs. force Volume 0.62 m3 21.9 cu.ft Weight 117 kg 257 lbs Diameter 520 mm 20 1/2 in Depth 356 mm 14 in Volume 75 litre 2.7 cu.ft Crated dimensions Inner drum Speed G-factor Motor speed Voltage requirements 18 lbs Wash 54 r.p.m. Extraction 543 r.p.m.
Technical data 3 Technical data Wascomat Super Junior W105 Dry load capacity up to Overall dimensions Width 660 mm 26 in Depth 766 mm 30 5/32 in Height 1050 mm 41 11/32 in Net weight 147 kg 323 lbs Dyn force 1.7 ±3.4 kN 408±816 lbs. force Volume 0.65 m3 23 cu. ft Weight 158 kg 348 lbs Diameter 520 mm 20 1/2 in Depth 473 mm 18 5/8 in Volume 100 litre 3.6 cu.ft Crated dimensions Inner drum Speed G-factor Motor speed Voltage requirements 25 lbs Wash 54 r.p.m.
4 Technical data Technical data Wascomat Senior W125 Dry load capacity up to Overall dimensions Width 745 mm 29 11/32 in Depth 995 mm 39 in Height 1196 mm 47 3/12 in Net weight 210 kg 462 lbs Dyn force 2.4±4.8 Crated dimensions Inner drum Speed G-factor Motor speed 35 lbs 3 576±1152 lbs. force Volume 1.06 m 39 cu.ft. Weight 222 kg 489 lbs Diameter 620 mm 24 1/2 in Depth 520 mm 20 1/2 in Volume 157 litre 5.65 cu.ft Wash 52 r.p.m. Extraction 500 r.p.m.
Technical data 5 Technical data Wascomat Giant W 185 Dry load capacity up to Overall dimensions Width 827 mm 32 5/8 in Depth 1085 mm 42 3/4 in Height 1315 mm 51 3/4 in Net weight 264 kg 582 lbs Dyn force 3.1±5.2 kN 744±1248 lbs. force Volume 1.42 m3 50.2 cu.ft. Weight 275 kg 606 lbs Diameter 700 mm 27 9/16 in Depth 600 mm 23 5/8 in Volume 230 litre 8.1 cu.ft Crated dimensions Inner drum Speed of rotation G-factor Motor speed Voltage requirements 50 lbs Wash 45 r.p.
Technical data 6 Outline and dimensions C Electrical cable connection D 2 3 1 L M N A E K J H B F 4 W75, 105, 125 W185 1 Cold water 2 Hot water 1 Cold water 2 Hot water 3 Hot water W75 W105 W125 G W185 mm inches mm inches mm inches mm inches A 1050 41 11/32 1050 41 11/32 1196 47 3/32 1315 51 3/4 B C D E F G H J K L M N 437 660 678 895 100 125 980 – 890 – 205 160 17 7/32 26 26 3/4 35 3 15/16 4 15/16 38 1/2 – 35 – 8 6 5/16 437 660 795 895 100 125 980 – 890 – 205 160 1
Installation Installation 7 2 Machine foundation F F F The machines are designed to be bolted in position to a concrete floor or specially prepared concrete foundation. A template showing the size of the foundation and positioning of the foundation bolts is delivered with each machine. For installation on an existing concrete floor, the floor must be at least 8" thick and of good quality. If the floor does not meet these requirements, then a 6-8" high concrete foundation should be made.
Installation 8 Mechanical installation F F F 5 • Place wide steel shims on the concrete foundation over the bolts. steel shim • Lift the machine and lower it in position. Never use the door or the door handle to lift or lower the machine. • Check that the machine is level front-to-rear and side-to-side and standing firmly on the four (W75, W105) or six (W125, W185) supporting points. Spacing washers must be mounted if one or more of these points is not resting against the floor/foundation.
Installation Electrical installation F F 9 8 Although the machines are fitted with a thermal overload in the motor windings a separate threephase common-trip circuit breaker must be installed for all three-phase machines. For proper overcurrent protection, check the data plate at the rear of the machine. Also consult local electrical code for special requirements. Connect L1, L2, L3 and ground wires according to the markings of the terminal block.
Installation 10 Water connection 11 NOTE All plumbing must conform to national and local plumbing codes. Fig. 11 Fig. 12 Fig. 13 Incoming water lines do not require non-return or back-suction valves, as the machine is already fitted with a siphon breaker. However, all incoming lines must be fitted with shut-off valves. • Water inlets are labelled for hot and cold water connection. 1832 • Flush the water system thoroughly and check that the filter at the machine inlet is fitted correctly.
Installation Drain connection F 11 15 Connect a 3" (75 mm) flexible hose to the drain outlet of the machine. The drain hose must not have sharp bends and must slope from the machine to assure proper drainage. The outlet must open freely to the main drains. Do not reduce the size of the drain connection from the machine to the waste line.
Installation 12 Before the machine is operated, the door safety interlock must be checked for proper operation as follows: F F 18 • When washer loading door is open, the machine must not start. Verify this by attempting to start washer with door open (see section ”Procedure”). • When washer is in operation, the loading door is locked and cannot be opened. Verify this by attempting to open the loading door when the machine is operating.
Installation Function control check-out list 13 20 In the machine cylinder, you will find the warranty registration card, a copy of the warranty policy, the bolt hole template and other pertinent materia. The warranty card should be completed and sent to Wascomat. All other items should be placed in a safe place for future reference. The machine should be cleaned when the installation is completed, and checked out as detailed below without loading the machine with fabrics: 1.
Safety rules 14 Safety rules • The machine is designed for water washing only. • Machines must not be used by children. • All installation operations are to be carried out by qualified personnel. Licensed personnel are necessary for all electric power wiring. • The interlock of the door must be checked daily for proper operation and must not be bypassed. • All seepage in the system, due to faulty gaskets etc., must be repaired immediately.
Mechanical and electrical design General The door and the electronic timer with display and program-selection knob are fitted at the front of the machine. All control and indicating components, i.e. relays, level control, etc are assembled under the top cover, easily accessible from the top of the machine for simplified servicing. Main units F 1 Electronic timer with display and program-selection knob for operating the machine.
Mechanical and electrical design 16 Machine construction Outer shell F The outer shell is made of heavy gauge surgical steel and is attached to a heavy duty, rigid head casting (back gable). The whole assembly is mounted on a heavy gauge fabricated steel base, galvanized for long life and corrosion resistance. Inner cylinder The inner cylinder is made of perforated surgical stainless steel.
Mechanical and electrical design 17 Panels The machines are equipped with a top panel made of stainless steel. The front panel is available in different colors or in stainless steel. The colored panels are made of phosphatized steel plate. For servicing purposes, the panels can easily be removed. Back gable and bearing Fig. 25 The back gable and the bearing trunnion housing are constructed of a webbed heavy casting for extra rigidity. There are three neoprene seals to protect from filtration of water.
Mechanical and electrical design 18 Door, description The door consists of: backing board (1), door (2), glass (3) and door gasket (4). The backing board and door are both made of enameled aluminium. The backing board is bolted directly to the outer shell of the washing machine.The door hinges are fastened on the outside of the backing board and the door lock (5) on the inside.
Mechanical and electrical design 19 Control unit F The control panel, mounted at the front, includes all components necessary for operating the machine, such as display window, control lights and a program selection knob. The printed circuit board (1) with the microprocessor-controlled electronic timer is mounted just behind the control panel.
20 Mechanical and electrical design Relays 29 The Wascomat HI-TEK models employ three relays. The relays control: F • the reversing wash of the wash motor (1,2) • the extraction motor (3) Construction F The body of the relay holding the stationary contacts is made of current-resistant plastic. A solenoid and a contact bank hold the moving contacts. The contacts are spring-loaded to assure the correct contact pressure.
Mechanical and electrical design Drive motor 21 31 Description in general F F The motor is mounted on an axle with rubber dampeners. The V-belt is tightened by turning the motor on the axle and locking it in place using the tightener on the rear side of the motor. The motor and tightener unit have vibration and noise dampening rubber suspensions. Construction in general The motor consists of stator, rotor and endshields with ball-bearings.
22 Mechanical and electrical design Principal wiring and points of measuring on single-phase motors. F The numbers at the connection points refer to the terminal numbers at the motor connector plug. The numbers in circles indicate points of ampere measurements.
Mechanical and electrical design 23 34 W125 208-240 V 60 Hz single-phase 1700
24 Mechanical and electrical design 35 1791
Mechanical and electrical design Motor connections F 25 34 1, 2 and 3: wash speed (18-pole winding). 4, 5 and 6: extract speed (2-pole winding) 7 and 9: motor overload protector. Motor overload protector Blue White Black The motor is equipped with two self-resetting, thermal overload protectors, situated one in the each winding of the stator. The protectors are connected in series and will trip at a temperature of 120°C (248°F) (3-phase) or 130°C (266°F) (single phase).
Mechanical and electrical design 26 Water level controls F One pressure switch is used to control the correct water levels during various cycles of the washing program. Adjustment All pressure switches are factory-calibrated to meet specific requirements. The trip level for any one pressure switch can be changed only within narrow limits because each trip range requires a different set of springs.
Mechanical and electrical design Inlet valves 27 37 Construction F The valve has a single-inlet with either one, two or three outlets, each with its own solenoid coil. The body is made of heat-resistant polyamid plastic and the solenoids encased in water-tight plastic. A filter screen on the inlet side prevents dirt from entering the valve. Flow restrictors can be placed at either the inlet or any of the outlets.
28 Mechanical and electrical design Repair instructions 39 Limescale can block the hole in the valve diaphragm and interfere with the function of the valve. F It is therefore advisable to dismantle and clean the valve at certain regular intervals. The frequency depends on operating conditions and the level of contamination in the water. If the valve does not open • Check that power is supplied to the coil. • Check the coil with an instrument to determine whether there is a break or a short circuit.
Mechanical and electrical design Inlet valve for W185 F 29 42 The water inlets have brass bodies with larger cross section of the outlet in order to achieve a shorter filling time for the machine. Construction The valve housing is made of pressed brass. The spring-loaded plunger is made of stainless steel and located at its lower end is a rubber gasket for the pilot valve.
Mechanical and electrical design 30 Soap supply box F The three-compartment soap supply box is located at the top of the machine. Viewed from the front, the compartments marked with figures 1, 2 and 3 are used as follows: Compartment 1 This compartment is used for adding detergent to the wash at the start of the Soak cykle. Compartment 2 This compartment is used for adding supplies to the wash at the beginning of the Wash cycle.
Mechanical and electrical design Drain valve 31 46 Description F The drain valve is steered using the pressure in the cold water intake. A hose (1) is connected between the cold water intake and a solenoid valve (2). When the solenoid valve is activated, it opens and allows water to flow into the feeder hose (3). The water presses up a piston (4), which uses the pressure lid (5) to close the drain valve rubber membrane.
32 Procedure Procedure 47 Preparations Sort the laundry according to the categories listed on the control panel. Check washing instructions on garment tags. Empty pockets and close zippers. Open door, put laundry in the machine and close door. Washing F F F Turn control knob to desired wash program. Indicator panel now shows which operations are included in the program. Three lights indicate where the detergent and fabric softener should be added.
Procedure Changing Programs F 33 50 Within 10 sec of starting the machine a new cycle can be selected by turning the control knob to the desired program. The machine will start over with the new program. It will not drain any water from the drum. Finishing F When ” OPEN DR” is displayed on the control panel the door can be opened. When necessary, clean the door gasket and detergent compartments. Wipe off the machine with a damp cloth. Leave the door open when the machine is not in use.
Programming 34 Programming 52 When programming the machine, the program selector is used in conjunction with a special function selector switch not available to the general user. F The function selector switch is situated behind the coin box.
Programming Price reduction 35 55 It is possible to program a percentage reduction of the price. An example: • The normal price for one wash program is four coins. • If you wish to make a price reduction to three coins, program the percentage 25 (1/4 reduction of the normal price). The price reduction is activated when a voltage signal from e.g. a timer, is connected to the contacts as shown in the figure. F F • Turn the program selector to WARM. • Depress the function selector switch.
Programming 36 Program Group Selection 58 The electronic memory includes 20 programs divided into 4 groups of 5 programs. • Group1 includes the 5 standard programs HOT, WARM, COLD, PERMANENT PRESS and DELICATE, all including a pre-wash and 3 rinses. • Group 2 includes the standard programs but without a pre-wash. • Group 3 includes the standard programs but without a pre-wash and with only two rinses. • Group 4 includes the standard programs but without a pre-wash and with only one rinse.
Programming Reading the Coin Counter 37 61 The machine has a built-in four-digit coin counter mechanism which counts one step with each coin. The counter cannot be reset. To read the counter follow these steps: Fig. 61 Fig. 62 • Turn the program selector to PERM PRESS. Depress the function selector switch. • The No of Quarters light is turned on and the first two digits of the correct number are displayed. Depress the function selector switch again.
Service Programs 38 Service Programs 65 It is possible to manually test many of the functions of the washing machine using the function selector switch. One can also check switches and level sensors by reading the indicator lights on the control panel. Checking Switches and Level Sensors Fig. 65 Turn the program selector to COLD. Depress the function selector switch and the display will show ”SE” for ”Service Program”.
Service Programs Function check Fig. 68 39 68 Turn the program selector to COLD. Press the function selector switch and the display will show ”SE” for ”Service Program”. 1 Turn the program selector to one of the settings HOT, WARM, COLD or PERM PRESS depending on which group of functions (see table below) you wish to check. 2 Select the right function within the group by depressing the function selector and holding it for more than 1.5 seconds. The figure in the display will now count up.
Wash Programs 40 Wash Programs The electronic program memory contains 20 programs divided into 4 groups of 5 programs. A group can be selected by using the program selector together with a special function selector switch, see section on ”Programming”. • Group 1 includes the five standard programs HOT, WARM, COLD, PERMANENT PRESS and DELICATE, all with pre-wash and three rinses. Fig. 71 • Group 2 includes the standard programs without pre-wash. Fig. 72 Fig. 73 Fig.
Wash Programs 72 GROUP 2 HOT Time Temp. (Min.) Wash 2 41 6 WARM Water Time Temp. Level (Min.) Hot Low 6 Warm COLD Water Time Level (Min.) Low 6 Temp. Cold PERM PRESS Water Time Level (Min.) Low 6 Temp. Water Warm DELICATE 1) Time Temp. Water Level (Min.) Level Low 4 Warm High Cold High Cold Low 2) Detergent 2 Drain 1 1 1 1 Extract 0.5 0.5 0.5 0.5 Rinse 1 1 Drain Cold High 1 Cold High 1 Cold High 1 1 Cold High 1 1 1 1 1 1 Extract 0.
Wash Programs 42 74 GROUP 4 HOT Time Temp. (Min.) Wash 2 8 WARM Water Time Temp. Level (Min.) Hot High 8 Warm COLD Water Time Level (Min.) High 8 Temp. Cold PERM PRESS Water Time Temp. Water Level (Min.) High 8 Warm DELICATE 1) Time Temp. Water Level (Min.) Level High 6 Warm High Cold High Detergent 2 Drain 1 Extract 0.5 Rinse 2 3 1 1 0.5 Cold High 3 1 0.5 Cold High 3 1 0.
Wash Programs Program group 1 43 75 Wash program, Hot Fig. 75 After the machine has started and the door automatically locked, the drain valve will close and the hot and cold water valves will open to fill the machine with mixed hot and cold water to the high level determined by the level control. When this level is reached, both water valves will close. During filling and then through the wash program the drum has a reversing rotation.
Wash Programs 44 Wash Program, Warm Fig. 76 76 On starting the machine, the door will be automatically locked, and the pre-wash will be carried out as previously described, whereafter the main wash is started. WARM As the main wash is started, the drain valve closes, detergent is admitted and mixed hot and cold water is filled to the low level. On reaching this level, the water valves are closed. Wash 1 Time Temp Water (Min.
Wash Programs Wash Program, Cold Fig. 77 45 77 On starting the machine, the door will be automatically lock, the drain valve close, the cold water valve open and the pre-wash carried out as previously described, whereafter the main wash is started. As the main wash is started, the drain valve closes, detergent is admitted and cold water is filled to the low level. COLD Wash 1 Time Temp Water (Min.) Level 3 Drain 1 The water level controlled machine will now wash the fabrics for six minutes.
46 Wash Programs Wash Program, Permanent Press Fig. 78 78 On starting the machine, the door will automatically lock, the drain valve close, the hot and cold water valves open and the pre-wash will be carried out as previously described, whereafter the main wash is started. PERM PRESS Time Temp Water (Min.) Level As the main wash is started, the drain valve closes, detergent is admitted and mixed hot and cold water is filled to the low level.
Wash Programs Wash Program, Delicate Fig. 79 47 79 On starting the machine, the door will automatically lock, the drain valve closes, the hot and cold water valves open and the main wash is started. As the main wash is started, the drain valve closes, detergent is admitted and mixed hot and cold water is filled to the high level. On reaching this level, the water valves are closed. The water level controlled machine will now wash the fabrics for four minutes.
Service information 48 Service information Fig. 80 80 A fault in the program is indicated by a flashing digital code in the window on the front panel. Fault code Cause LE Water level not reached. If not coin operated machine, turn on the water tap, press START and the the machine will make a new try. do Door is open. dc Water left in machine after a drain period. LC Water in machine at program start. ub Unbalance error. dL Door lock not operating. cd Door not locked.
Maintenance Maintenance 49 81 Preventive maintenance has been reduced to a minimum by the careful design of reliable components and material. However, the following measures should be taken at regular intervals and in proportion to the hours of service. IMPORTANT! Make certain that all electrical power to the machine is shut off before removing top or rear panels. Daily • Check the door lock and interlock before starting operations.
Trouble shooting 50 Trouble shooting 83 A useful aid in trouble shooting is the ability to check individual switches and level sensors and to control individual functions independently. These techniques are described in the section on ”Service Programs”. If machine does not start Fig. 83 A Check circuit breaker in the power feed line to the machine. B Check door safety switches. C Check glass cartridge fuse. D Check electrical auxiliary contact on extract relay.
Trouble shooting If machine does not extract Fig. 85 51 85 A Check for fault indication on display (see under the heading ”Service Information”). B Check extract relay and relay coil for proper operation. If motor does not operate at wash speed Fig. 86 A Check for fault indication on display (see under the heading ”Service Information”). B Check wash relays. C Check normally - closed contact of extract relay. D Check motor and V-belt.
Trouble shooting 52 If machine runs slowly on wash speed or there is a slapping or thumping noise. Fig. 87 87 A Replace V-belts. If a metallic noise can be heard at rear of machine Fig. 88 A Tighten pulley on motor shaft. If the door is leaking Fig. 89 A Check the door gasket. If the gasket is in good condition, install a 4-7 mm rubber hose seal around the entire gasket, using the slits provided.
Trouble shooting If there is a leaking around the glass Fig. 90 53 90 A Replace door gasket if worn. If water does not enter the machine Fig. 91 A Check for fault indication on display (see under the heading ”Service Information”). B Check the value coils on inlet valves. C Check wires leading to electric coils. D Be sure manual shut-off valves are in open position.
54 Trouble shooting If water continous to fill without stopping Fig. 92 92 A Check hose attached to level control unit. B Check inlet valves for dirt underneath the valve diaphragm. To localize, shut off power. If water continues to flow, inlet valves have foreign material in them and should be thoroughly cleaned. If water continous to flow without filling machine Fig. 93 A Check for fault indication on display (see under the heading ”Service Information”). B Check seating of drain valve.
Trouble shooting If machine vibrates excessively Fig. 55 94 Tighten mounting bolts.
