OPERATING & MAINTENANCE MANUAL EX 7 ES – EX 10 ES Emerald Series 471 1562-39/01 94.44 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.
EX7, EX 10 Contents Introduction ...................................................................... 1 Technical data .................................................................. 2 Installation ........................................................................ 5 Safety rules .................................................................... 11 Operating instructions .................................................... 12 Programming..........................................................
Introduction 1 Introduction The EX 7 and EX 10 Emerald models washer/extractor with high spin speeds, have been developed to meet the needs of state-of-the-art professional laundromats, institutions, hospitals etc., where high quality automatic washing and quick formula variation are required. Fig. 1 Emerald models are unique because you can program different prices for the seven wash cycles, giving the customer a real choice and allowing you to maximize revenue by changing what each cycle is worth.
Technical data 2 Technical data EX 7 Dry load capacity up to Overall dimensions Width Depth Height Net weight 15 lbs 720 660 1100 164 mm mm mm kg 1.64 ± 0.7 kN Maximum floor load Crated dimensions Volume Weight 0.
Technical data 3 Technical data EX 10 Dry load capacity up to 25 lbs Overall dimensions Width Depth Height Net weight 720 820 1100 225 mm mm mm kg 2.3 ± 0.9 kN Maximum floor load Crated dimensions Volume Weight 0.
Technical data 4 Outline and dimension E EX 7 A B C D Mounting holes F L K J mm inches mm inches A 1100 43 5/16 1100 43 5/16 B 485 19 3/32 485 19 3/32 C 440 17 5/16 440 17 5/16 D 260 10 1/4 260 10 1/4 E 720 28 11/32 720 28 11/32 F 660 26 820 32 9/32 G 65 2 9/16 65 2 9/16 H 555 21 27/32 715 28 5/32 J 50 1 31/32 50 1 31/32 K 905 35 5/8 905 35 5/8 L 40 1 9/16 40 1 9/16 M 60 2 3/8 60 2 3/8 N 210 8 9/32 210 8 9/32 O 130 5 1/8 130 5 1/8
Installation Installation 5 2 The machines are free-standing, i.e. the drum can move relative to the frame of the machine. This results in a considerable reduction in vibration transferred to the frame which in turn simplifies installation: no special foundation is required. The machine is delivered complete with expansion bolts, template etc. packed inside the drum. Move the machine on its pallet to where it is to be installed before removing the pallet retaining bolts. 20" 2" Location Fig.
Installation 6 Mechanical installation 3 The machine is delivered with the drum locked in place by four transport bolts fitted between the frame and the drum. In order to remove these and install the machine, proceed as follows: • Unpack the machine. Fig. 3 Fig. 4 Fig. 5 • Slacken off the screws in the lower edge of the front cover plate and remove the plate by pulling downward and outward to unhook it from the chassis. • Unscrew the retaining screws on the rear plate and remove the plate.
Installation Water supply 7 7 NOTE All plumbing must conform to national and local plumbing codes. Fig. 7 Fig. 8 Fig. 9 The water supply to the machine should be fitted with manual shut-off valves to facilitate installation and servicing. Water inlets are labelled for hot and cold water connections. Hoses should be flushed through before being connected to the machine. Connection hoses should be 3/4" reinforced rubber hosing not to exeed 6 ft in length.
Installation 8 Drain connection Fig. 10 10 Connect a 50 mm (2") flexible hose to the machine’s drain outlet. Avoid sharp bends which may prevent proper draining. The drainage pipe should be located over a floor drain, drainage channel or similar so that the distance between the outlet and the drain is at least 25 mm (1"). Refer to local regulations on water supply and drainage.
Installation Start-up and safety checklist 9 13 Before initial start-up of a Wascomat washerextractor, the following safety checks must be performed: Fig. 13 • Make sure that all electrical and plumbing connections have been made in accordance with applicable local codes. • Use only flexible water fill and drain hoses of the proper length to avoid sags and kinks. • Make sure the machine is properly grounded electrically.
Installation 10 Function control check-out list 16 In the machine cylinder, you will find the warranty registration card, a copy of the warranty policy and other pertinent material. 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 Safety rules • This 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.
Operating instructions 12 Fig. 18 The keypad consists of seven wash program button, two option buttons and a start button. An Information Display with illuminated symbols shows the selected wash cycle, cycle options, steps in the wash cycle which have been completed (indicated by squares around arrows), steps which remain (indicated by arrows), remaining wash time, and the number of quarters required to start the washer.
Operating Instructions Operating Instructions 13 19 Preparations Sort the wash according to the choices shown on the control panel. Check washing tips on garment labels. Make sure all pockets are empty and zips closed. Load the washer and lock the door. Washing Fig. 19 Fig. 20 Fig. 21 An arrow to the right of the control panel will light up to show selection. Left arrows will light to show the steps in the program.
14 Fig. 23 Fig. 24 Fig. 25 Operating Instructions Insert required number of quarters as shown on the display, which counts down quarters as they are inserted. Press START button when the display shows 00. A clock symbol will now appear and remaining wash time in minutes counts down. (The time for each cycle will not be displayed until the cycle has been run once completely from beginning to end, so the microprocessor knows how long it should take).
Operating Instructions Rapid Advance 15 26 Within 5 minutes after starting (only while the colon : is flashing), steps of the wash cycle can be skipped by using Rapid Advance. Fig. 26 • Press and hold down the START button until the arrows rapid advance. Stop pressing where you want the cycle to continue.
16 Operating Instructions Maintenance This machine has been carefully designed to minimize preventative maintenance. However, the following routine service operations should be performed at regular intervals (depending on how much the machine is used). Daily • Clean detergent residue from the door seal and check that the door does not leak. • Clean the detergent compartments and wipe down the machine with a damp cloth. • Check that the drain valve does not leak.
Programming Coin-operated machines 17 28 The prices of the various wash cycles must be programmed into the microprocessor. On EMERALD SERIES washers you can program different prices for the seven cycles! You can also program the prices to drop by any percentage between any hours of any days, automatically! Price programming • Remove the coin box. • Press one wash cycle button so an arrow points to it. Fig. 28 Fig.
Programming 18 Fig. 30 • Program the price by using the keypad to enter the number of quarters needed to start the selected wash cycle. For example, press "1" and "2" to enter 12 quarters for a $3.00 vend price. 30 • Release the price programming switch. Price programming of one wash cycle is now complete. Repeat for the other six cycles, using any prices in quarters you want. If you want to raise prices if Extra Extract is also selected, first program prices for each of the seven wash cycles.
Programming Wiring for automatic price reduction Fig. 31 Emerald washers have a price reduction terminal block located next to the main power terminal block. Your installer must run a pair of wires from each washer terminal block to Wascomat's automatic price reduction relay box (Part No. 098887), which can control 16 washers. Each relay box can be expanded to handle up to 32 washers by adding snap-in contacts (Part No. 510192).
Programming 20 • Enter the desired percentage reduction using two numbers (for example, enter 2 and 5 for 25% reduction). If you make a mistake just press the START button (0) to clear the data. Prices will round up to the nearest quarter when price reduction is active. 35 • Release the price programming switch. Programming is now complete. Check to see that your regular prices appear on the display after you select a cycle. If not, just toggle the programming switch once to reset the system.
Wash Cycles 21 Wash Cycles Fig. 38 In the figure below is an overview of the seven wash cycles. On the following pages you will find a more detailed description of the cycles. 38 HOT WARM Time Temp. Time (Min.) Prewash 3 Temp. Time (Min.) Warm 3 COLD Temp. (Min.) Warm 3 PERM PRESS Time Temp. (Min.) Cold 3 Warm Detergent 1 Drain Mainwash 0.8 6 0.8 Hot 6 0.8 Warm 6 0.8 Cold 6 Warm Detergent 2 Drain 0.8 0.8 0.8 0.8 Extraction 0.5 0.5 0.5 0.5 Rinse 1 1 Drain 0.
Wash Cycles 22 39 DELICATE QUICK-WASH HEAVY SOIL Time Temp. Time (Min.) Temp. Time (Min.) Temp. (Min.) Prewash 2 Drain Cold 0.8 Prewash 3 Warm Detergent 1 Drain Mainwash 0.8 4 Warm 5 Warm 8 Hot Detergent 2 Drain 0.8 Extraction 0.5 Rinse 1 Drain 1 0.8 0.8 0.5 Cold 0.8 1 0.5 Cold 0.8 Drain 0.5 1 Cold 0.8 1 Cold 0.8 1 Cold 0.8 Extraction Rinse 3 Warm 0.8 Extraction Rinse 2 1 0.
Wash Cycles Hot Fig. 40 23 40 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 level determined by the level control. At the same time detergent from compartment 1 is mixed with the incoming water. 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 Cycles 24 Warm Fig. 41 41 On starting the machine, the door will automatically be locked, and the pre-wash 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 level determined by the level control. On reaching this level, the water valves are closed. The water level controlled machine will now wash the fabrics for six minutes.
Wash Cycles Cold Fig. 42 25 42 On starting the machine, the door will automatically be locked, the drain valve closed, the cold water valve opened and the pre-wash carried out as previously described, whereafter the main wash is started. COLD As the main wash is started, the drain valve closes, detergent is admitted and cold water is filled to the level determined by the level control. On reaching this level, cold water is closed. Time Temp. (Min.
Wash Cycles 26 Permanent Press Fig. 43 43 On starting the machine, the door will automatically be locked, the drain valve closed, the hot and cold water valves opened and the pre-wash will be 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 mixed hot and cold water is filled to the level determined by the level control. PERM PRESS Time Temp. (Min.
Wash Cycles Delicate Fig. 44 27 44 On starting the machine, the door will automatically be locked. As the main wash is started, the drain valve closes, detergent is admitted and mixed hot and cold water is filled to the level determined by the level control. DELICATE Time Temp. (Min.) On reaching this level, the water valves are closed. Prewash The water level controlled machine will now wash the fabrics for four minutes. The machine is then emptied.
Wash Cycles 28 Quick-Wash Fig. 45 45 On starting the machine, the door will automatically be locked, the drain valve closed. As the main wash is started, the drain valve closes, detergent is admitted and warm water is filled to the level determined by the level control. QUICK-WASH Time Temp. (Min.) On reaching this level, hot water is closed. The water level controlled machine will now wash the fabrics for five minutes. The machine is then emptied.
Wash Cycles Heavy Soil Fig. 46 29 46 On starting the machine, the door will automatically be locked, the drain valve closed, the hot and cold water valves opened and the two pre-washes will be 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 hot is filled to the level determined by the level control. HEAVY SOIL Time Temp. (Min.) Prewash Drain 2 0.
Mechanical and electrical design 30 General The door, electronic timer with display, and program-selection buttons are located at the front of the machine. The motor and 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 Fig. 47 1 Keypad with program selector - push-button switches for choice of different wash programs.
Mechanical and electrical design 31 Machine construction 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. Frame Fig. 48 The frame consist of a bottom plate and two balance weights. The balance weights form a cradle for the outer drum and are suported by four springs.
Mechanical and electrical design 32 Back gable and bearing Fig. 49 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. The sleeve bearings are water protected. An intermediate safety outlet provides an escapement for any possible condensation.
Mechanical and electrical design Description The door locking mechanism is a safety system that prevents injury by: • Preventing the machine from starting before the door has been closed and the handle secured. • Locking the door automatically when the machine starts. • Preventing the door from being opened before the program has been concluded and the drum is stationary. This ensures that the drum is stationary when the door is opened and that there is no water in the machine.
Mechanical and electrical design 34 Replacement of door lock Fig. 51 1. Remove the retaining screws securing the front panel and slide the panel downwards until it disengages. Lift it away. 2. Open the door of the machine. 3. Remove the door lock by undoing the two retaining screws and remove the locking plate (1). 4. Pull the lock outwards at the side of the front trim (2). 5. Transfer the electrical connections from the old locking mechanism to the new locking mechanism, one at a time. 6.
Mechanical and electrical design 35 Control unit Fig. 52 The timer and program selector are mounted just behind the control panel. Relays and level controls are located at the top of the machine, easily accessible for service. Electrical connections to the machine are made by quick-disconnect plugs. The correct circuit diagram is sent with each mahine.
Mechanical and electrical design 36 Relays Fig. 53 53 The EX7ES and EX10ES models employ four relays. The relays control: • wash speed forward • wash speed reverse Wash action • distribution speed Distribution Extraction • extraction speed Construction Fig. 54 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 37 55 Description Fig. 55 The motor is mounted on top of the outer drum, on stepped feet to provide a means of adjusting the belt tension. The motor drives the drum through a gearbox and centrifugal clutch via a V-belt. The motor consists of stator, rotor and endshields with ball-bearings. The stator and the rotor consists of plates, insulated from each other and welded together.
Mechanical and electrical design 38 Replacement of clutch shoes. Fig. 1. Slacken the nuts securing the motor and pull the step wedges outwards to slacken the drive belt. Remove the belt. 2. Disconnect the motor cable connector and remove the motor. 3. Using a puller, pull off the clutch shoe carrier from the motor shaft. 4. Gently tap the replacement clutch shoe carrier onto the motor shaft. 5. Reposition the motor and replace the nuts loosely. Fit the drive belt and connect the motor plug.
Mechanical and electrical design 39 Checking the motor windings Fig. 57 At room temperature, the motor windings should have the approximate resistances as shown below, when measured between the appropriate connectors in the plug: 57 Motor cable connector Machine model 1-4 Resistance (ohms) between terminals: 2-4 3-4 5-7 6-7 8-9 8-10 9-10 Ex 7 2.6 1.6 3.5 2.6 1.6 4.7 4.7 4.7 EX 10 120V 1.3 0.8 1.7 1.3 0.8 3.4 3.4 3.4 Ex 10 208-240V 4.0 2.7 7.7 4.0 2.7 11.4 11.4 11.
Mechanical and electrical design 40 Water level controls Fig. 58 58 One pressure switch (1) is used to control the correct water levels during various cycles of the washing program. 1 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. Water level Fig.
Mechanical and electrical design 41 Out of balance switch Description Fig. 60 The purpose of the out-of-balance protection switch is to prevent the machine from being damaged by vibration that could be caused if the washing load was too unevenly distributed in the drum during spinning. The switch consists of a microswitch with an extended operating lever, fitted to the electrical component platform, and a rectangular plate with a cut-out fitted to the outer drum.
Mechanical and electrical design 42 Inlet valves 61 Construction Fig. 61 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. Operation Fig.
Mechanical and electrical design Repair instructions 43 63 Limescale can block the holes in the valve diaphragm and interfere with the function of the valve. Fig. 63 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.
Mechanical and electrical design 44 Soap supply box Fig. 66 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 cycle. 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 45 67 Description Fig. 67 The drain valve is a motor-operated membrane valve having a large opening cross-section to produce rapid emptying of the machine. The rapid flow action produces a self-cleaning effect, eliminating the necessity for a fluff filter.
Mechanical and electrical design 46 Repair instructions Lime deposits or dirt on the membrane can result in the valve not opening or closing correctly. The valve should therefore be cleaned at regular intervals, depending on operating conditions and water quality.
Maintenance Maintenance 47 69 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. Daily • Check the door lock and interlock before starting operations. • Start the machine and check that the door remains locked while the machine is operating.
Trouble shooting 48 Trouble shooting 70 If machine does not start Check to ensure that: • it is turned on at the mains. • the manual shut-off valves are open. • a program has been selected. 0918 A • the drum door is locked B • the glass cartridge fuse is not blown. If water does not drain Fig. 70 A Check drain valve for proper operation. 0050 B Disconnect drain hose connected to drain line. If full flow of water comes out, the problem is in the main waste line.
Trouble shooting If machine runs slowly on wash speed or there is a slapping or thumping noise. Fig. 73 49 73 A Replace V-belts If a metallic noise can be heard at rear of machine Fig.
50 Trouble shooting If there is a leaking around the glass Fig. 75 75 A Replace door gasket if worn. If water does not enter the machine. Fig. 76 A Be sure manual shut-off valves are in open position. B Check the coils on inlet valves. A C Check wires leading to value coils.
Trouble shooting If water continues to fill without stopping. Fig. 77 51 77 A Check hose attached to level control unit. B 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. A If water continues to flow without filling machine. Fig. C Check seating of drain valve.
Fault-Finding Program 52 Fault-finding Program 78 If there is a power failure the washer will remember the selected cycle for about 8 -10 minutes. The cycle will restart automatically when power is restored. Fig. 78 Certain faults are automatically detected and indicated by a number code shown in the Information Display . For fault codes 01 and 02 restart may be attempted after the fault has been corrected.
Built-in service program Built-in service program 53 79 A service program has been built into the washer. This program should only be used by qualified service personnel. Setting service switch • Remove the washer top cover. Remember that the machine is under power when service program is in use. Fig. 79 Fig. 80 • Move the service switch to the service program position. (The switch is located on top of the circuit board next to the ribbon connector).
Built-in service program 54 Function checks Fig. 81 81 The program indicator on the display window indicates certain inputs by lighting arrows.. For example, arrow number 5 is lit when the door closes. This shows that the door's micro switch is operating correctly. The table below shows the inputs displayed by the program indicator. Indicator Function 1 - 2 - 3 - 4 Balance sensor switch 5 Door lock 6 - 7 - 8 - 9 - 10 ON/OFF (function entered using the various buttons - see below).
Built-in service program It is also possible to directly activate certain functions by using the buttons on the keypad. The chosen function can then be turned on and off using the START button. Arrow 10 (see Fig. 39) simply shows if the function is on or off. 55 82 This table shows which functions can be activated, along with the number code for each.
