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Operating Instructions
Laboratory Glassware
Washer
G 7883
To prevent accidents
UV
and machine damage
read these instructions
before
installation or use. M.-Nr. 05 893 860
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Contents IMPORTANT SAFETY INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Description of the machine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Guide to the lab washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Opening and closing the door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Water softener . . . . . . . . . . . . . . . . . . . . . . .
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IMPORTANT SAFETY INSTRUCTIONS Installation and Service This appliance is only intended for The machine should only be specialized applications. Only use installed, maintained and repaired the appliance for its intended by a Miele authorized service purpose. Any other use, conversion technician. Repairs by unqualified or modification is dangerous. The persons could be dangerous. manufacturer cannot be held responsible for damages caused by Do not install the machine in an improper use of this mac
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IMPORTANT SAFETY INSTRUCTIONS Use Avoid inhaling powdered detergent. If swallowed, it can Personnel operating the machine cause burning in the mouth and throat should be trained regularly. or inhibit breathing. Children and untrained personnel must not be allowed access to the machine Be careful when sorting items with or its controls. sharp pointed ends. If possible, place the pointed end downwards. BURN AND SCALD HAZARD This washer reaches very high The water in the machine must not temperatur
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IMPORTANT SAFETY INSTRUCTIONS Pre-treatments with cleaning or The machine is designed only for disinfecting agents can create operation with water and additive suds, as can certain rinsing agents. For cleaning agents. Organic solvents must pre-treatment and / or cleaning, only not be used in the machine. An use low-sudsing detergents and explosion or machine corrosion could disinfecting agents which have been occur with the use of organic solvents. approved by Miele. Suds can have an In critical
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IMPORTANT SAFETY INSTRUCTIONS Accessories Only genuine Miele parts or accessories should be used with the Laboratory Glassware washer. The performance and safety of non-genuine parts or accessories cannot be guaranteed, and use of such parts or items may void the machine warranty. If you have specific questions about machine options or accessories, please call Miele. Disposal of an appliance When discarding a lab washer, disconnect it from the power supply, remove the door to the wash cabinet an
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Description of the machine The G 7883 is the "industry standard" undercounter washer designed to handle the vast majority of glassware cleaning applications. 7
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Guide to the lab washer a "On/Off" button j "Add liquid detergent" indicator * b "Door" button k "Add rinse aid" indicator c Display l "Add neutralizing agent" indicator d "Display" indicator m "Recharge Softener" indicator e "Drying" indicator n "Check fill/drain" indicator f "Start" indicator o Program sequence display g "Start" button p Program selector h "Drying" button * (only with optional DOS-Module) i "Display" button (toggles between the elapsed time, active wash blocks and actual tempe
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Guide to the lab washer a Connection for optional DOS-Module d Powdered detergent dispenser b Filter combination e Rinse aid reservoir (with dosage selector) c Salt reservoir (water softener) f Rinse aid level indicators 9
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Opening and closing the door Electric door lock To cancel a program 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. "On/Off" button is pressed. ^ Turn the program selector to the "Stop"f position. The program is To open the door canceled after approximately 2
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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. The door
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Water softener Before using the machine for the first Your local water authority will advise time, the water softener should be programmed. The water needs to be you on the water hardness in your softened to avoid calcium deposit area. If the water supply is harder or buildup on the items being cleaned and softer than the factory setting in the machine itself. (including below 4 gr/gal or 70 ppm), the setting will need to be To ensure a steady supply of soft water: changed. See "Setting the wate
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Water softener Settings Settings gr/gal ppm Settings gr/gal ppm 1 - 30 1 - 30 CaCO 31 - 60 31 - 60 CaCO 3 3 1 1 20 31 31 560 2 2 40 32 32 580 3 3 50 33 33 590 4 4 70 34 34 610 5 5 90 35 35 630 6 6 110 36 36 650 7 7 130 37 37 670 8 8 140 38 38 680 9 9 160 39 39 700 10 10 180 40 40 720 11 11 200 41 41 740 12 12 220 42 42 760 13 13 230 43 43 770 14 14 250 44 44 790 15 15 270 45 45 810 16 16 290 46 46 830 17 17 310 47 47 850 18 18 320 48 48 860 19 19 *) 340 49 49 880 20 20 360 50 50 900 21 21 380 51
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Water softener Setting the water softener The setting will now be stored in memory. The display will go out. ^ Turn off the machine with the "On/Off" button. For future servicing, it is useful to make a note of your water hardness level. ^ Turn the program selector to the "Stop"f position. ^ Enter your water hardness level here: ^ Press and hold the "Start"6 and gr/gal "Display"ß buttons at the same time. Turn the machine on with the or "On/Off" button. The current program status "P..." will ppm
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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 ^ Place the funnel provided in place. the water softener. If in doubt, consult Miele’s Professional Department.
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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. 16
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Adding rinse aid Rinse aid is not used in laboratory glassware cleaning applications. If rinse aid is required, the rinse aid dosage must be activated with assistance from Miele Technical Service. Rinse aid (e.g. Mielclear) is filled in the storage container and dispensed automatically. The storage reservoir holds about 180 ml. ^ Unscrew the cap. ,Inadvertently filling the storage reservoir with detergent will damage the reservoir. Be sure only to use rinse aid in the reservoir. ^ Pour rinse aid
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Adding rinse aid Setting the rinse aid dosage The dosage adjuster (see arrow in the illustration) in the opening has settings adjustable from 1 to 6 (1 - 6 ml). It is preset to "3" (3 ml). ^ Use a flat headed screwdriver to turn the dial to the correct setting. If spots remain on the items, use a higher setting. If smearing or cloudy streaks appear, use a lower setting. 18
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Adding neutralizing agent Neutralizer (pH-level: acidic) neutralizes detergent residue on the surface of glassware and other items being cleaned. It is automatically dispensed in the rinse following the wash step of a program. The relevant program (see "Program Guide" - DOS 3) cannot be started until the dispensing system has been primed. (This function can only be canceled by a Miele Service Engineer.) ^ Place the container of neutralizer (red) next to the machine. ^ Insert the siphon tube into
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Adding neutralizing agent Setting the neutralizer dosage The dosage is factory set to 0.10, you may or may not be required to adjust it. and priming the neutralizer dispensing system Set the dosage concentration First you need to access the according to the detergent programming mode: manufacturer’s recommendations. To access the programming mode Example: The manufacturer recommends a ^ Turn the program selector to "Stop" neutralizer concentration of 0.3 %. The f. value to be set is 0.30. ^ Turn
