Operating Instructions Laboratory Glassware Washer G 7804 To prevent accidents and machine damage read these instructions before installation or use. UV M.-Nr.
Contents IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Description of the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Guide to the glassware washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Opening and closing the door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Water softener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IMPORTANT SAFETY INSTRUCTIONS This appliance is only intended for specialized applications. Only use the appliance for its intended purpose. Any other use, conversion or modification is dangerous. The manufacturer cannot be held responsible for damages caused by improper use of this machine. This appliance complies with current safety requirements. Improper use of the appliance can lead to personal injury and material damage. Read all instructions before installing or using this appliance.
IMPORTANT SAFETY INSTRUCTIONS Use Personnel operating the machine should be trained regularly. Children and untrained personnel must not be allowed access to the machine or its controls. BURN AND SCALD HAZARD This washer reaches very high temperatures. Take care when unloading the unit. Let baskets and inserts cool before touching them. Any water which may remain in containers will be very hot and must be emptied into the wash cabinet. BURN HAZARD The heating elements become extremely hot during use.
IMPORTANT SAFETY INSTRUCTIONS Only use cleaning agents formulated for special processes and approved by Miele for use with this machine. Use of unsuitable cleaning agents could adversely affect the components of the machine. Pre-treatments with detergents can create suds, as can certain rinsing agents. For pre-treatment and / or cleaning only, use low-sudsing detergents which have been approved by Miele. Suds can have an adverse effect on the cleaning process.
IMPORTANT SAFETY INSTRUCTIONS If the cleaning result is subject to particularly stringent requirements (e.g. chemical analysis, specialized processes), a regular quality control test should be carried out by the user to ensure that the required standards are being achieved. The mobile units and special inserts should only be used for their specific application. Empty any containers or utensils before arranging them in the machine.
Description of the Machine The Miele G 7804 represents the highest-quality general purpose laboratory glassware washer on the market today. Equipped with three wash routines, the G 7804 can handle a wide variety of cleaning challenges found in basic laboratory environments. The G 7804 can accommodate a variety of baskets and inserts specifically designed for laboratory glassware.
Guide to the glassware washer a "On/Off" button j "Add Detergent" indicator b "Door" button k "Add Rinse Aid" indicator c Display l "Add Neutralizer" indicator d "Display" indicator m "Recharge Softener" indicator e "Drying" indicator n "Fill/Drain" indicator f "Start" indicator o Program sequence indicators g "Start" button p Program selector h "Drying" button i Button to display "Actual time" or "Elapsed wash time" 8
Guide to the glassware washer a Filter combination c Dispenser for powdered detergent b Salt reservoir (water softener) d Reservoir for neutralizer (with dosage selector) e Level indicators 9
Opening and closing the door Electric door lock To cancel a program The machine is equipped with an electric door lock. The door can only be opened when the electrical supply to the machine is turned on, and the "On/Off" button is pressed. If a program has to be canceled in an emergency, e.g. the program has been interrupted due to a fault, the door will have to be opened manually. To open the door ^ Press the "Door" button in as far as it will go. At the same time, grip the handle and open the door.
Opening and closing the door To open the door with the emergency release The emergency release should only be used when the door cannot be opened normally, e.g. in the event of a power failure. ^ Turn the program selector to "Stop" f. ^ Press the "On/Off" button to turn the machine off. ^ Take precaution against pressure wave release (rapid opening of the door). ^ Pull the emergency release cable (located at the bottom of the machine behind the service panel) downwards to open the door.
Water softener To avoid the build-up of calcium deposits on glassware and the machine, the water may need to be softened (where the supply hardness exceeds 107 ppm CaCO3). To ensure a steady supply of soft water, the water softener must always be: 1. correctly set (programmed) and 2. regenerated with salt as soon as the "Recharge Softener" indicator illuminates. The water softener should be set to correspond with the water hardness upon installation of the machine.
Water softener Settings Settings 1 - 30 gr/gal 1 - 30 ppm CaCO3 Settings 31 - 60 gr/gal 31 - 60 ppm CaCO3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 *) 20 21 22 23 24 25 26 27 28 29 30 20 40 50 70 90 110 130 140 160 180 200 220 230 250 270 290 310 320 340 360 380 400 410 430 450 470 490 500 520 540 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 31 32 33 34 35 36 37 38 39
Water softener Setting the water softener ^ Turn the machine off. If there is a fault, it will be helpful to know the water hardness of the local water supply. ^ Turn the program selector to "Stop" f. ^ Enter the local water hardness level here: ^ Press and hold the "Display" and "Start" buttons. At the same time, turn the machine on with the "On/Off" button. The display shows the current program status "P...". The "Fill/Drain" indicator will illuminate. ^ Press the "Drying" button once.
Water softener Filling the salt reservoir Only special, coarse-grained reactivation salt* should be used in this machine. *Available from Miele’s Professional Customer Service Department. Please see back page for more information. Do not use other types of salt, e.g. table salt, agricultural or gritting salt. These could contain components which are insoluble in water and could damage the water softener. If in doubt, consult Miele’s Professional Department. The salt reservoir holds approx. 2.5 kg of salt.
Water softener Salt indicator When the salt reservoir is empty the "Recharge Softener" indicator, b, illuminates to remind you to fill the reservoir. Reactivation takes place automatically during a program. The "Recharging" indicator, a, illuminates while this is occurring.
Loading The following instructions relate only to basic preparation and loading of glassware. There are additional requirements for particular applications. Note Loading the machine ^ Do not place items to be cleaned inside of other pieces, where they may be concealed. Remove debris ^ Load items so that water will cover all surfaces. This ensures that they will be properly cleaned. Ensure that no acid or solvent residues, especially hydrochloric acid or chlorides, get into the wash cabinet.
Loading Important: Make sure that the spring adapter for the water connection engages correctly when a basket or injector unit is inserted into the machine. It must be 4 - 5 mm higher than the water connection inlet in the machine. If this is not the case, adjust the adapter by performing the following steps: ^ Loosen the locking ring. ^ Push up the adapter 4 - 5 mm and tighten the locking ring. Select baskets and inserts which are appropriate for the application.
Loading Loading examples O 188 Upper basket For various inserts. O 187 Injector wagon (Upper basket) For direct injection of narrow necked glassware, 34 injectors,160 mm high. E 350 Injector wagon For narrow necked glassware, 15 injectors, 160 mm high; 18 injectors, 220 mm high.
Loading U 874 Lower basket E 106 For various inserts. Stainless steel half insert with 28 spring hooks in 2 different heights for various glassware, e.g. narrow necked flasks, graduated cylinders, medicine bottles, etc. E 109 Stainless steel half insert to accommodate 21 beakers up to 250 ml, Erlenmeyer flasks, round flasks etc.
Loading Adjusting the upper basket The upper basket can be adjusted above and below the middle position by 2 cm. Example: Upper basket O 188/1 and lower basket U 874 (measurements do not include inserts) Upper basket position Upper basket height Lower basket height cm cm inches 15.5 1 6 /8" 28.5 11 1/4" Middle 17.5 6 7/8" 26.5 10 7/16" Lower 19.5 7 11/16" 24.5 9 5/8" Upper inches To adjust the upper basket: ^ Pull out the upper basket, lift from the runners and remove.
Adding detergent Only use cleaning agents formulated for this machine. Do not use detergents formulated for domestic dishwashers. Powdered detergent must be placed in the detergent container prior to every program (except for "Rinse" and "Drain".) ^ Add detergent to the compartment. Dosage: approx. 3 g/l (equivalent to 30 g per cleaning sequence). Follow manufacturer’s instructions if they differ. ^ Close the dispenser lid. ^ Press the opening catch on the container (see arrow) forwards.
Adding neutralizer The Dual Dosing container for liquid agents incorporated in the door has a capacity of 2 x 180 ml. Adding neutralizer ,Inadvertently filling the storage reservoir with detergent will damage the reservoir. Neutralizer (factory setting) To reduce the pH to neutral after the alkaline cleaning, neutralizing agent needs to be used. When using the machine for the first time or when the "Add neutralizer" indicator lights, add neutralizer to the storage containers.
Adding neutralizer Setting the dosage ^ Pour neutralizing agent into the reservoir until the level indicator is dark (see arrow on illustration). Use a funnel if necessary. ^ Replace and tighten the cap. Clean up any spilled neutralizer. ^ Wait until the "Add neutralizer" indicator illuminates again before refilling. 24 The dosage adjuster in the opening has settings adjustable from 1 to 6 (1- 6 ml). It is preset to "5" (10 ml) as the recommended dosage for neutralizer.
Operation Turning on the lab washer Drying ^ Make sure the spray arms are not blocked. "Drying" may be selected as an additional feature once a program has been selected (except in the "Rinse" and "Drain" programs). Drying is phased over 10 minutes. The total running time of the program lengthens accordingly. ^ Close the door. ^ Press the "On/Off" button to turn the machine on. Starting a program ^ Turn the program selector clockwise or counterclockwise to the desired program.
Operation Changing a program Canceling a program If the selected program has not yet been started: Once a program is running, it should only be canceled in extreme cases, e.g. when glassware is knocking against each other and has to be rearranged. ^ Turn the program selector to the new program. ^ Select the "Drying" feature, if necessary. ^ Press the "Start" button. Program sequence display The current step of a wash program is indicated by a program sequence display.
Program guide Program Program cycle Prewash Main wash Interim rinse 1 Interim rinse 2 Final rinse Drying (Optional function) (X) DOS 3 (DI) X 70°C/3’ DI (X) A SHORT X 70°C/5’ B REGULAR X 70°C/5’ X DOS 3 (X) (DI) X 70°C/3’ DI (X) X 70°C/5’ X DOS 3 (X) (DI) X 70°C/3’ DI (X) C EXTENDED X 6 DRAIN D RINSE X X = Sections included in a program (with temperature/temperature holding time) A second interim rinse can be activated (see "Programming special functions").
Programming special functions Note – Unoccupied program selector positions are displayed by a bar (-) in the middle display element. – The programming level can be scanned if the selector is in the "Stop" f position. 1. Selecting a second interim rinse A second interim rinse can be programmed to improve interim rinsing in all programs (except "Rinse"). ^ Turn the program selector to "STOP" f. ^ Turn the machine off. ^ Press and hold "Display" and "Start".
Programming special functions 2. Activating Delay Start and setting the Delay Start time ^ Press "Display" to change from "80" to "81", or vice versa. The start of a wash program can be delayed up to 24 hours in 30 minute increments. ^ Press the "Start" button. "SP" appears in the display. Note: The Delay Start should only be selected in programs "Regular" and "Extended". The "Short" program, cannot provide a good cleaning result when Delay Start is selected.
Programming special functions 3. Setting the buzzer A buzzer can be set to signal one or both of the following: – End of program = continuous buzzer ^ Press and hold "Display" until the desired value appears in the display. ^ Press the "Start" button. "SP" appears in the display. – Error = rhythmic buzz ^ Press the "Start" button again. The change has been saved. ^ Turn the program selector to "STOP" f. ^ Please note the changed setting: ^ Turn the machine off. ^ Press and hold "Display" and "Start".
Programming special functions 4. Restoring the factory settings ^ Turn the program selector to the "Stop" f position. ^ Turn the machine off. ^ Press and hold "Display" and "Start". At the same time, turn the machine on with the "On/Off" button. The display shows the current program status "P...". The "Fill/Drain" indicator lights. ^ Press "Drying" seven times. "E07" appears in the display. ^ Turn the program selector to any position (except "Stop"). The display shows either "00" or "PP".
Machine care Filter combination ,The machine must not be used without all the filters in place. The filters protect the circulation pump from damage caused by foreign objects. Cleaning the fine, flat and micro-fine filters ^ Remove the coarse filter. ^ Remove the fine filter (if fitted) from between the flat and the micro-fine filters. The filter combination in the base of the wash cabinet should be inspected regularly and cleaned if necessary.
Machine care Cleaning the non-return valve and drain pump The drain pump is located beneath the non-return valve (see arrow). If water has not been pumped away at the end of a program, the drain pump or the non-return valve may be blocked. ^ Turn off the washer. ^ Remove the filter combination from the wash cabinet. ^ Before returning the non-return valve, check that the drain pump is not blocked. Spin the propeller several times in both directions to check for obstructions.
Machine care Cleaning the filters in the water inlet ^ Replace filters and the seal. Make sure they are sitting correctly. Filters are incorporated in the screw connection of the water inlet hose to protect the water inlet valve. If these filters become dirty, they need to be cleaned, otherwise insufficient water flows into the wash cabinet. ^ Reconnect the hose to the water inlet, making sure that it goes back on straight. ,The plastic housing of the water connection contains an electrical component.
Frequently asked questions With the aid of the following guide, minor problems can be fixed without a service call. What if … Possible fault Fix the machine does not start? The door is not properly closed. The fuse is defective or the breaker has tripped. – The water valves are closed. – The filters in the water inlet hose are dirty. – Water pressure is too low. Close the door firmly. a few minutes after starting a program, the "Fill/Drain" indicator flashes and the fault code "F..
Frequently asked questions What if … Possible fault Fix water in the wash cabinet is not heated, the program sequence lasts too long and a fault code appears in the display: "F01 - F02"? This machine has a resettable heater limiter which will switch off the heater in case of over-heating. This could be caused if large articles cover the heating elements or if the filters in the wash cabinet are blocked. – Remove the cause of the fault. – Remove the service panel (see "Electrical connection").
Frequently asked questions Opening the machine during a power failure The emergency release should only be used when the door cannot be opened normally, e.g. in the case of a power failure. ^ Turn the program selector to "Stop" f. ^ Press the "On/Off" button to turn the machine off. ^ Reach behind the service panel and pull the ring of the emergency release downwards.
After Sales Service In the event of a fault which you cannot correct yourself, please contact the Miele Technical Service Department U 1-800-991-9380 techserv@mieleusa.com V 1-800-565-6435 service@miele.ca Please quote the model and serial number of your machine. This information can be found on the data plate located on the rear of the machine.
INSTALLATION INSTRUCTIONS
Caring for the environment Disposal of the packing material The protective packing materials are environmentally safe and can be recycled. Ensure that any plastic wrappings, bags, etc. are disposed of safely and kept out of the reach of children. Danger of suffocation! 40 Disposal of the appliance Appliances contain materials which can be recycled. Please contact your local authorities about recycling in your area. Ensure that the machine presents no danger to children while being stored for disposal.
Installation Please refer to the installation diagram supplied with the machine. ,Furniture and fittings installed near the machine must be of a commercial standard (able to withstand the effects of steam). Installation options – Free-standing – Undercounter The machine can be installed under a continuous counter or sink drain. The recess must be at least 60 cm wide, 60 cm deep and 82 cm high. Positioning and securing the machine To ensure stability, the machine must be aligned and screwed to the counter.
Installation Removing the lid (if necessary) If necessary, remove the lid from the machine to make installation possible. ^ Open the door. ^ Remove the fixing screws on the left and right sides using a phillipshead screwdriver. ^ Pull the machine lid approx. 5 mm forwards, lift it upwards and remove.
Plumbing Water inlet ^ The machine must be connected to the water supply in accordance with local and national regulations. ^ The washer is constructed so it may be connected to a supply without an extra non-return valve, unless required by code. ^ An acceptable water pressure (flow rate) is 10 - 147 psi. However, the recommended pressure is 25 - 60 psi. If the water pressure is below 30 psi, the fill time will take longer. If the "Fill/Drain" fault code "F..
Plumbing DI-Water connection The machine comes with a standard connection for a pressure-resistant system. The recommended water pressure (flow rate) is 25 - 60 psi however, water pressure of 10 - 147 psi is acceptable. ^ The DI pressure-tested hose (marked "H2O pure") with a 3/4" hose thread must be connected to the on-site water valve for DI purified water. If the DI water connection is not used, the electronics needs to be reprogrammed by a Miele technician.
Plumbing Drainage ^ The drainage system is fitted with a non-return valve which prevents dirty water from flowing back into the machine via the drain hose. ^ The machine should preferably be connected to a separate drainage system onsite. If separate drainage is not available contact your Miele application specialist for advice. The onsite drain connection point should be located between 1 ft. (0.3 m) and 3 ft. (1 m) above the lower edge of the machine. If it is lower than 1 ft. (0.
Electrical connection ,All electrical work must be performed by a qualified person in accordance with local and national safety regulations. The machine comes equipped for connection to a 208 V, 60 Hz, 3 phase power supply. It is equipped with a 6 ft. long, 12/4 AWG power cord, without a plug. A plug, rated for the required power which will fit the receptacle, is to be supplied by the electrician doing the installation. It should be connected to the main power supply.
Electrical connection Grounding connection ^ The ground lead must be connected to the screw connection point (marked with the ground symbol 8) at the back of the machine. Removing the service panel Disconnect the machine from the main electrical supply. ^ Remove the fixing screws, a, from the service panel. ^ Hold the service panel at both sides and pull upwards. ^ Unscrew the facing, b. Remove the plastic protective cap. ^ See the supplied installation diagram.
Technical data English ½ Metric ½ Height: 33 " (32 ") Width: 23 ½ " 60 cm Depth: 23 ½ " 60 cm Voltage: 208 V Power cord approx. 5’ 11" 85 (82) cm 1.8 m Water pressure (flow rate): Recommended 25 - 60 psi Acceptable 10 - 147 psi 1.72 - 4.13 bar .7 - 10 bar Cold or Hot water connection: 70 °C up to max. 158°F D1 water connection: Recommended 25 - 60 psi Acceptable 10 - 147 psi 1.72 - 4.13 bar .7 - 10 bar Delivery head: min. 12" max. 39 3/8" 0.3 m 1m Drainage length: max.
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