Operating Instructions Laboratory glassware washer G 7835 To prevent accidents and machine damage read these instructions before installation or use. UV M.-Nr.
Contents IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Guide to the machine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Opening and closing the door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Electric door lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 To open the door with the emergency release. . . . . . . .
Contents Cleaning and Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Cleaning the filters in the wash cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Cleaning the coarse filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Cleaning the fine, flat and micro-fine filters . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Cleaning the drain pump and non-return valve . . . . . . . .
IMPORTANT SAFETY INSTRUCTIONS This machine conforms to current safety requirements. Inappropriate use can however lead to personal injury and property damage. Read the operating instructions carefully before starting to use this machine. Keep these instructions in a safe place, and make them available to future users. Use This machine is designed for commercial use and for specialized applications only, as described in these Operating Instructions.
IMPORTANT SAFETY INSTRUCTIONS Take care when handling liquids such as detergents, neutralizing agents, wetting agents and rinse aids. These may contain irritant or corrosive ingredients, acids or alkalis. Never use any organic solvent, as the danger of an explosion exists. The manufacturer’s safety conditions must be observed with all chemical agents. ,Wear protective gloves and goggles. The water in the machine must not be used as drinking water.
IMPORTANT SAFETY INSTRUCTIONS The following points should be observed to assist in maintaining quality standards, for critical lab glassware, to protect patients, and to avoid damage to the loads being cleaned. If the cleaning result is subject to particularly stringent requirements (e.g. chemical analysis, specialized process), a regular quality control test should be carried out by the user to ensure that required standards of cleanliness are being achieved.
IMPORTANT SAFETY INSTRUCTIONS In critical applications where very high requirements have to be met, it is strongly recommended that all the relevant factors for the process, such as cleaning agent, quality of water etc. are discussed with the Miele Applications Specialists. 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.
Guide to the machine Electronic controls 8
Guide to the machine a Display with screen saver, background light switches off automatically after 15 minutes, hit any key to turn the background light on again.
Guide to the machine a Drying unit (TA) f Validation Access Port b Dispenser for neutralizing agent (red) and liquid detergent (blue) g Connection for DOS-module G 60 for addition of a third dosing line - rear side - c Filter combination d Salt reservoir (water softener) e Service panel 10 h Serial interface - rear side (left upper side, behind cover plate) -
Opening and closing the door Electric door lock The machine is equipped with an electric door lock. The door can only be opened if: – the machine is connected to the electrical supply, – the ON/OFF button I-0 is pressed, and 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 case of a power failure. ^ Turn the machine off with I-0. – no wash program is running.
Water softener Before using the machine for the first time, the water softener should be programmed. The water needs to be softened to avoid calcium deposit buildup on the items being cleaned and in the machine itself. To ensure a steady supply of soft water: 1. Make sure the water softener is programmed correctly. 2. The salt reservoir must be filled with reactivation salt. – If the water hardness is below 70 ppm (4 gr/gal) the reservoir does not need to be filled.
Water softener Setting the water softener Select Unit To program the water softener, go to the REACTIVATE menu. Select the type of unit you wish to use for setting the water hardness level: After calling up the REACTIVATE menu the following appears in the display: ^ Activate the input position, select the type of unit e.g. mmol/l and confirm your choice.
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 Replenish the reactivation salt when the message ADD SALT is displayed. Reactivation takes place automatically during a program. During this process the message REACTIVATION is displayed.
Automatic mobile unit recognition (AWK) In operating level C the optional Automatic mobile unit recognition (AWK) feature attributes a fixed program place to a mobile unit with valid coding. Program places 1-15 are reserved for the AWK automatic mobile unit recognition. Mobile unit coding The unit coding (on the mobile unit) and the program place with the corresponding program (in the "Profitronic" electronic control unit) must be matched up.
Automatic mobile unit recognition (AWK) Mobile unit coding strip Setting mobile unit coding 15 different codes can be set. They are assigned to program places 1 to 15. To set or alter the coding of a mobile unit with the AWK proceed as follows: Under "System function, Selector switch organization" the matching programs have to be put into the first 15 program places.
Automatic mobile unit recognition (AWK) ^ Set the program place coding. ^ Place the track in the holder of the mobile unit and screw firmly in place. ^ Put the magnetic strip back in the track. Important: The magnetic strip must be placed in the track so that the Bit coding set according to the chart is visible through the round windows in the track. 18 The magnetic strip on the G 7835 must have grey magnets.
Applications The machine can be fitted with a variety of mobile units, baskets and inserts, depending on the cleaning application in question. The diversity of these units and inserts is so great that it is not possible to illustrate them all or give detailed instructions on their use here. For example there are inserts for direct spraying or rinsing glassware which contain internal surfaces, tubes and pipes that need stringent cleaning.
Applications Note ^ Load the items to be washed so that water can access all surfaces. This ensures that it is properly cleaned. ^ Do not place items to be cleaned inside other pieces where they may be concealed. ^ Hollow vessels such as beakers, measuring cylinders, flasks, etc. should be inverted and placed in the correct inserts so that water can flow in and out unrestricted. A cover net can be used to reduce the risk of movement during the wash process. ^ Use a cover net (e.g.
Applications Spring adapter water connection Height adjustable top basket Make sure that the spring adapter for water connection engages correctly when a basket or injector unit is inserted in the machine. It must be 3/16" (4-5 mm) higher than the water connection inlet in the machine. If this is not the case, adjust the adapter. The upper basket can be adjusted above and below the middle position by 13/16" (2 cm).
Applications Laboratory glassware (LG) Wide necked glassware, wide necked erlenmeyer flasks and petri dishes or glassware with a cylindrical form, e.g. test tubes can be cleaned by a rotating spray arm inside and outside. General glassware used in laboratories, e.g. beakers, conical flasks, petri dishes, test tubes etc. can be arranged in full size, half or quarter inserts at the higher or lower level. Mobile injector units are available for direct injection spraying of narrow necked flasks, pipettes etc.
Adding of liquid detergents and neutralizers ,Use only cleaning detergents and neutralizers specially designed for lab washers and regard the application recommendations of the manufacturer! This automatic cleaning machine is fitted with 2 dispensers as standard: – Dispensing system DOS 1 (blue) to dispense liquid cleaning agent. The dosing rate is 120 ml/min. – Dispensing system DOS 3 (white) to dispense (acid) media such as neutralizing agent or rinsing agent. The dosing rate is 20 ml/min.
Adding of liquid detergents and neutralizers Filling the containers with liquid cleaning agents ^ Turn the machine off. ^ Pull the door of the storage cabinet (with container for liquid agents) open. ^ Take the storage container out of the unit, open it and fill with the agent required (observe the color code). ^ Insert and secure the siphon tube into container (observe the color code). Once the storage containers have been filled the message clears.
Adding of liquid detergents and neutralizers Priming the liquid dispensing systems Dispensing system maintenance Before the machine is first used, and later if one or more containers has been allowed to empty, the dispensing system(s) for liquid media must be vented. To ensure safe function the following maintenance should be carried out by a Miele Service Technician at specified intervals. ^ Press the ON/OFF I-0 button. Every 12-18 months: ^ Select operating level "B".
Operation Power switch To change the operating level (with "emergency cut-off function") set to I-ON. ^ Press 1 and 2 at the same time. Operating levels A B C D will appear in the display.
Operation Starting a program You can find detailed and important information regarding the Miele default programs in the program chart of the supplied Programming Summary. A. Fixed program To utilize access level "A", fixed programs must be assigned for access. See the Programming Manual section on "System Functions" for details on assigning programs. Once programs are assigned to access level "A" they can be operated in the following manner. ^ Select operating level "A".
Operation C. Automatic mobile unit recognition (AWK) ^ Select operating level "C". ^ Push the coded mobile unit into place (See Setting mobile unit coding"). ^ Close the door. Important: It is absolutely essential to check that the program required for this mobile unit is the one shown in the display, before starting the program by pressing the "Start" button. Otherwise inadequate cleaning could result.
Operation To change or cancel a program 2. In operating levels A or C If the "Start" button 6 has already been pressed: Select operating level B or D. (Note: you will be asked for your code.) Proceed as follows: 1. In operating levels B or D ^ Press 1 and 2 at the same time. Operating levels A B C D will appear in the display. ^ Press the "Stop" 7 button (the program is interrupted). >CANCEL< OR >CONTINUE< appears in the display. ^ Select >CANCEL< with the 1 cursor button. (The cursor > < flashes.
Operation Cancelling a program 2. In operating levels A or C If a program needs to be interrupted or cancelled: ^ Press the I-0 button. The program is interrupted. 1. In operating levels B or D ^ Press the "Stop" 7 button (the program is interrupted). >CANCEL< OR >CONTINUE< appears in the display. ^ Open the door. Important for machines with a clean and an unclean side: With the setting "WITHOUT DOOR INTERLOCK" - "YES" the doors on either the clean or unclean side can be opened.
Serial interface Each machine can be supplied with a 5 m long interface cable for data transfer between the Profitronic system and an external report printer or PC. The serial interface is RS 232 compatible. Various printers can be used as external printers: – Epson-compatible sign-set – HP LaserJet For the interface configurations see "PC/Printer Function" in the "Programming Manual".
Cleaning and Care ,Wear protective gloves and Cleaning the coarse filter goggles when cleaning this machine. Cleaning the filters in the wash cabinet ,The machine must not be used without all the filters in place! The filter combination in the base of the wash cabinet should be inspected regularly and cleaned if necessary. ,Caution! Watch out for sharp objects which could cause injury. 32 ^ Press the two tabs together, remove and clean the coarse filter.
Cleaning and Care Cleaning the fine, flat and micro-fine filters ^ Remove the coarse filter. ^ Remove the fine filter from between the flat and the micro-fine filters. ^ Then remove together with the flat filter. ^ Clean the filters. ^ To unscrew the micro-fine filter, grasp the two tabs and turn twice counterclockwise. ^ Replace the filter combination in reverse order. The flat filter must lie flat in the base of the wash cabinet.
Cleaning and Care Cleaning the drain pump and non-return valve The drain pump is 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. ^ Remove the filter combination out of the wash cabinet. ^ Tilt the locking clamp to the side. ^ Before refitting the non-return valve, check that the drain pump is not blocked. Spin the propeller several times in both directions to check for obstructions.
Cleaning and Care Cleaning the water inlet filters Filters are incorporated in to the intake hose attached to the washer’s shut off valve. The filters must be cleaned when dirty or insufficient water flows into the wash cabinet. ,The plastic valve housing on the intake hose contains electrical components and should not be immersed or run through water. Cleaning the filter: ^ Disconnect the machine from the power supply (unplug it or "trip" the circuit breaker). ^ Carefully remove the rubber seal.
Drying unit (TA) - Cleaning and care Changing the coarse filter The coarse filter should be changed when the message "CHANGE TA COARSE" flashes in the display. ^ Open the door of the storage cabinet. ^ Change the coarse filter. The soft filter side must face the front with the part imprinted. ^ Take out the metal perforated plate at the drying unit. ^ Replace the perforated plate by positioning it at the base and pressing it into place at the top.
Drying unit (TA) - Cleaning and care Replacing the HEPA-Filter The HEPA filter should be changed when the message "CHANGE FINE FILTER" flashes in the display. ,This filter should only be changed by a Miele Service Technician. A smooth operation of the machine can only be achieved if an original "Miele" HEPA-filter is used. After the HEPA filter has been changed set the operating timer to zero, as follows: ^ Select the program CHANGE TA FINE (see "Operating - B. Free program selection).
Frequently asked questions With the aid of the following guide, minor problems can be fixed without a service call. Repairs should only be carried out by a qualified and trained person in accordance with local and national safety regulations. Unauthorized repairs could cause personal injury or machine damage. In the event of any problems which cannot be corrected, please contact the Miele Technical Service Department.
After sales service Should you have any difficulties please contact the Miele Technical Service Department. See back cover for addresses. ^ Please quote the model and serial number of your machine. This information can be found on the data plate (see also "Electrical connection").
INSTALLATION INSTRUCTIONS
Caring for the environment Disposal of the packing materials The cardboard box and packing materials protect the appliance during shipping. They have been designed to be biodegradable and recyclable. Ensure that any plastic wrappings, bags etc. are disposed of safely and kept out of the reach of children. Danger of suffocation! Please recycle. 42 Disposal of an old appliance Old appliances may contain materials that can be recycled. Please contact your local authorities about recycling in your area.
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 – Slot-in, next to other machines or furniture or in a suitable space. The space must be at least 35 7/16" (90 cm) wide and 29 7/16" (70 cm) deep. – Undercounter The machine can be installed under a continuous counter or sink drain.
Plumbing Water inlet ,Water in the machine is not suitable for drinking. ^ 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. ^ Acceptable water pressure (flowrate) is 10 - 145 psi. However the recommended pressure is 25 - 60 psi If the water pressure is below 30 psi, the fill time will take longer.
Plumbing DI-Water connection The machine comes with a standard connection for a pressurized DI 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" (2 cm) 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 must 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 carried out by a qualified electrician 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. (1.8 m) 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 the machine The machine must only be operated with the voltage, frequency and fusing shown on the data plate located on the rear of the machine, and on the plinth (behind the service panel). Remove the service panel and plinth ,Disconnect the machine from the main electrical supply. ^ Remove the fixing screws, a, from the service panel. ^ Take hold of the service panel at both sides and pull upwards. ^ Unscrew plinth facing (screws b). ^ Remove plastic protective cap.
Technical Data English 7 Metric 5 Height: 33 /16" (32 /16") 85 (82) cm Width: 35 7/16 " 90 cm Depth: 27 9/16 " 70 cm Voltage: 208 V Power cord approx. 5’ 11" 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 up to max. 158°F 70 °C DI-Water connection Recommended Acceptable 25 - 60 psi 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.
All rights reserved/3404 This paper has been bleached without the use of chlorine. M.-Nr.
