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Miele G 7804 Operating Instructions Manual

Laboratory glassware washer
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Operating Instructions

Laboratory Glassware
G 7804
To prevent accidents
and machine damage
read these instructions
Installation or use.
M.-Nr. 05 893 780


Table of Contents

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  Summary of Contents for Miele G 7804

  • Page 1: Operating Instructions

    Operating Instructions Laboratory Glassware Washer G 7804 To prevent accidents and machine damage read these instructions installation or use. M.-Nr. 05 893 780...
  • Page 2 ....... . . 3 ......... . 7 .
  • Page 3 The installation in these applications. Please manufacturer cannot be held contact the nearest Miele dealer or the responsible for damages caused by Miele Technical Service Department with specific requirements.
  • Page 4 Be careful when sorting items with sharp pointed ends. If possible, Personnel operating the machine place the pointed end downwards. should be trained regularly. Children and untrained personnel must The water in the machine must not not be allowed access to the machine be used as drinking water.
  • Page 5 Only use cleaning agents Where a chemical additive is formulated for special processes recommended on technical and approved by Miele for use with this application grounds (for example, with machine. Use of unsuitable cleaning a cleaning agent), this does not imply...
  • Page 6 (e.g. chemical analysis, specialized accessories should be used with processes), a regular quality control the G 7804 Laboratory Glassware test should be carried out by the user to washer. The performance and safety of ensure that the required standards are non-genuine parts or accessories being achieved.
  • Page 7 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...
  • Page 8 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"...
  • Page 9 a Filter combination c Dispenser for powdered detergent b Salt reservoir d Reservoir for neutralizer (water softener) (with dosage selector) e Level indicators...
  • Page 10 The machine is equipped with an If a program has to be canceled in an electric door lock. The door can only be emergency, e.g. the program has been opened when the electrical supply to interrupted due to a fault, the door will the machine is turned on, and the have to be opened manually.
  • Page 11 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" ^ Press the "On/Off" button to turn the machine off. ^ Take precaution against pressure wave release (rapid opening of the ^ Pull the emergency release cable door).
  • Page 12 To avoid the build-up of calcium deposits on glassware and the The machine is set at the factory for a machine, the water may need to be water hardness setting of 19*, softened (where the supply hardness corresponding to 339 ppm CaCO .
  • Page 13 gr/gal gr/gal 1 - 30 CaCO 31 - 60 CaCO 1010 1030 1040 1060 1080 factory setting...
  • Page 14 If there is a fault, it will be helpful to know the water hardness of the local ^ Turn the machine off. water supply. ^ Turn the program selector to "Stop" ^ Enter the local water hardness level here: ^ Press and hold the "Display" and ^ If your water is already soft and you "Start"...
  • Page 15 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 ^ Place the funnel provided in place.
  • Page 16 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.
  • Page 17 The following instructions relate only to basic preparation and loading of ^ Load items so that water will cover all glassware. There are additional surfaces. This ensures that they will requirements for particular applications. be properly cleaned. ^ Do not place items to be cleaned inside of other pieces, where they may be concealed.
  • Page 18 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.
  • Page 19 For various inserts. (Upper basket) For direct injection of narrow necked glassware, 34 injectors,160 mm high. For narrow necked glassware, 15 injectors, 160 mm high; 18 injectors, 220 mm high.
  • Page 20 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. Stainless steel half insert to accommodate 21 beakers up to 250 ml, Erlenmeyer flasks, round flasks etc.
  • Page 21 The upper basket can be adjusted above and below the middle position by 2 cm. (measurements do not include inserts) Upper Upper basket Lower basket basket height height position inches inches Upper 15.5 " 28.5 " Middle 17.5 " 26.5 "...
  • Page 22 use cleaning agents formulated for this machine. Do not use detergents formulated for domestic dishwashers. detergent must be placed in the detergent container prior to every program (except for "Rinse" and "Drain".) ^ Add detergent to the compartment. approx. 3 g/l (equivalent to 30 g per cleaning sequence).
  • Page 23 The Dual Dosing container for liquid agents incorporated in the door has a capacity of 2 x 180 ml. Inadvertently filling the storage reservoir with will damage the reservoir. To reduce the pH to neutral after the alkaline cleaning, neutralizing agent needs to be used.
  • Page 24 ^ Pour neutralizing agent into the reservoir until the level indicator is The dosage adjuster in the opening has dark (see arrow on illustration). Use a settings adjustable from 1 to 6 (1- 6 ml). funnel if necessary. It is preset to "5" (10 ml) as the ^ Replace and tighten the cap.
  • Page 25 ^ Make sure the spray arms are not "Drying" may be selected as an blocked. additional feature once a program has been selected (except in the "Rinse" ^ Close the door. and "Drain" programs). Drying is ^ Press the "On/Off" button to turn the phased over 10 minutes.
  • Page 26 Once a program is running, it should only be canceled in extreme cases, e.g. when glassware is knocking ^ Turn the program selector to the new against each other and has to be program. rearranged. ^ Select the "Drying" feature, if ^ Turn the program selector to "Stop".
  • Page 27 Program Program cycle Pre- Main wash Interim Interim Final rinse Drying wash (Optional rinse 1 rinse 2 function) SHORT 70°C/5’ DOS 3 70°C/3’ (DI) REGULAR 70°C/5’ DOS 3 (DI) 70°C/3’ EXTENDED 70°C/5’ DOS 3 (DI) 70°C/3’ DRAIN RINSE X = Sections included in a program (with temperature/temperature holding time) A second interim rinse can be activated (see "Programming special functions").
  • Page 28 – Unoccupied program selector positions are displayed by a bar (-) A second interim rinse can be in the middle display element. programmed to improve interim rinsing in all programs (except "Rinse"). – The programming level can be scanned if the selector is in the ^ Turn the program selector to "STOP"...
  • Page 29 ^ Press "Display" to change from "80" to "81", or vice versa. ^ Press the "Start" button. "SP" appears The start of a wash program can be in the display. delayed up to 24 hours in 30 minute increments. ^ Press the "Start" button again. The change has been saved.
  • Page 30 ^ Press and hold "Display" until the desired value appears in the display. A buzzer can be set to signal one or ^ Press the "Start" button. "SP" appears both of the following: in the display. – End of program = continuous buzzer ^ Press the "Start"...
  • Page 31 ^ Turn the program selector to the "Stop" f position. ^ Turn the machine off. ^ Press and hold "Display" and "Start". , turn the machine on with the "On/Off" button. The display shows the current program status "P...". The "Fill/Drain" indicator lights. ^ Press "Drying"...
  • Page 32 The machine must not be used ^ Remove the coarse filter. without all the filters in place. The ^ Remove the fine filter (if fitted) from be- filters protect the circulation pump from damage caused by foreign tween the flat and the micro-fine filters. objects.
  • Page 33 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.
  • Page 34 ^ Replace filters and the seal. Make sure they are sitting correctly. ^ Reconnect the hose to the water inlet, Filters are incorporated in the screw making sure that it goes back on connection of the water inlet hose to straight.
  • Page 35 With the aid of the following guide, minor problems can be fixed without a service call. The door is not Close the door firmly. properly closed. The fuse is defective Make sure the circuit breaker or the breaker has has not tripped. tripped.
  • Page 36 This machine has a – Remove the cause of resettable heater limiter the fault. which will switch off the – Remove the service heater in case of panel (see "Electrical over-heating. This could connection"). be caused if large articles – Press the reset button cover the heating on the right side of the elements or if the filters in...
  • Page 37 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" ^ Press the "On/Off" button to turn the machine off. ^ Reach behind the service panel and pull the ring of the emergency release downwards.
  • Page 38 In the event of a fault which you cannot correct yourself, please contact the Miele Technical Service Department 1-800-991-9380 1-800-565-6435 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.
  • Page 40 Appliances contain materials which can be recycled. Please contact your local The protective packing materials are authorities about recycling in your area. environmentally safe and can be recycled. Ensure that the machine presents no Ensure that any plastic wrappings, danger to children while being stored bags, etc.
  • Page 41 Depending on the requirements for an undercounter installation, a steam deflector can be ordered from the Miele Technical Service Department. The underside of the countertop is protected from steam damage by a stainless steel plate.
  • Page 42 If necessary, remove the lid from the ^ To prevent countertop damage by machine to make installation possible. steam, the supplied self adhesive ^ Open the door. protective foil (25 x 58 cm) must be placed underneath the countertop near the steam condenser. ^ Remove the fixing screws on the left and right sides using a phillipshead screwdriver.
  • Page 43 ^ Water valves with " male hose thread are to be provided on site. ^ The machine must be connected to They should be easily accessible so the water supply in accordance with the water supply can be turned off if local and national regulations.
  • Page 44 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 "H O pure") with a "...
  • Page 45 ^ The machine should preferably be connected to a 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) If it is lower than 1 ft.
  • Page 46 Frequency: 60 Hz ^ A damaged power cord must only be Rated Load: 6 kW replaced with a genuine Miele cord Circuit breaker: 3 x 20 A by a Miele service technician. Black : connect to L1 (hot) Red:...
  • Page 47 ^ The ground lead must be connected Disconnect the machine from the to the screw connection point main electrical supply. (marked with the ground symbol 8) at the back of the machine. ^ Remove the fixing screws, a, from the service panel. ^ Hold the service panel at both sides and pull upwards.
  • Page 48 ½ ½ Height: " (32 ") 85 (82) cm ½ Width: " 60 cm ½ Depth: " 60 cm Voltage: 208 V Power cord approx. 5’ 11" 1.8 m Water pressure (flow rate): Recommended 25 - 60 psi 1.72 - 4.13 bar Acceptable 10 - 147 psi .7 - 10 bar...
  • Page 52 All rights reserved / 1104 M.-Nr. 05 893 780 / 01 This paper has been bleached without the use of chlorine.