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Operating instructions

Washer-disinfector
G 7804
en - GB, AUS
To avoid the risk of accidents or
damage to the machine it is
essential to read these instructions
before it is installed, commissioned
and used for the first time.
M.-Nr. 05 841 051

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   Summary of Contents for Miele G 7804

  • Page 1: Operating Instructions

    Operating instructions Washer-disinfector G 7804 en - GB, AUS To avoid the risk of accidents or damage to the machine it is essential to read these instructions before it is installed, commissioned and used for the first time. M.-Nr. 05 841 051...

  • Page 2: Table Of Contents

    Contents Description of the machine ......... . 4 Guide to the machine .

  • Page 3

    Contents Programming special functions ........34 1.

  • Page 4: Description Of The Machine

    Description of the machine The G 7804 washer disinfector is a front The G 7804 is a single cabinet system loading machine designed specifically in which the whole process takes place, for processing laboratory utensils and including the pre-wash, main wash, glassware.

  • Page 5: Guide To The Machine

    Guide to the machine a On/Off button (I-0) j Add (liquid) cleaning agent indicator light * b Door release c Display Optical interface for service technician d Delay start indicator light k Add rinsing agent indicator light e Drying indicator light l Add neutralising agent indicator light f Programme start indicator light m Add salt indicator light...

  • Page 6

    Guide to the machine a Connections for DOS module d Dispenser for powder cleaning agent Optional dispenser pump for e Duo dispenser for neutralising agent liquid cleaning agent and for or rinsing agent (with dosage neutralising agent selector) - at the back of the machine - f Level indicators b Filter combination c Salt container...

  • Page 7: Warning And Safety Instructions

    Warning and Safety instructions Personnel operating the machine This machine complies with all should be trained regularly. Untrained relevant local and national safety personnel should not be allowed requirements. Incorrect use can, access to the machine or its controls. however, lead to personal injury and The special inserts should only be damage to property.

  • Page 8

    A damaged machine is dangerous. Never open the casing. Tampering Switch off at the mains immediately and with electrical connections or call the Miele Service Department or an components and mechanical parts is authorised Miele Service Dealer. highly dangerous to the user and can cause operational faults.

  • Page 9: Correct Usage

    Warning and Safety instructions During installation, maintenance and Only use detergents formulated for repair work, the machine must be commercial dishwashers. Do not use disconnected from the mains electricity washing-up liquid. Using unsuitable supply. It is only completely isolated cleaning agents could adversely affect from the electricity supply when: the components of the machine, as well as items being cleaned.

  • Page 10

    Miele come into contact with the steel outer Application Technology specialists. casing of the machine.

  • Page 11

    Warning and Safety instructions Installation Do not sit or lean on the opened door. This could cause the machine to This machine may only be used in tip up and be damaged or cause an mobile installations such as ships, injury.

  • Page 12: Disposal Of Your Old Machine

    Warning and Safety instructions Accessories Disposal of your old machine Only use genuine Miele spare parts For environmental and safety and accessories with this machine. The reasons ensure the machine is use of non-Miele parts and accessories completely drained of any residual will invalidate the guarantee.

  • Page 13: Caring For The Environment

    Caring for the environment Disposal of the packing Disposal of your old machine material Electrical and electronic machines often contain materials which, if The transport and protective packing handled or disposed of incorrectly, has been selected from materials which could be potentially hazardous to are environmentally friendly for disposal human health and to the environment.

  • Page 14: Opening And Closing The Door

    Opening and closing the door Electro-thermal door lock To cancel a programme The machine is equipped with an If a programme has to be cancelled in electro-thermal door lock. an emergency, e.g. when articles in the machine jostle against each other or The door can only be opened when: the programme has been interrupted ^ the electricity supply to the machine...

  • Page 15: To Open The Door With The Emergency Release

    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 programme selector to f. ^ Press the On/Off button I-0 to switch the machine off.

  • Page 16: Water Softener

    Water softener Setting the water softener The water needs to be softened to avoid calcium deposits building up on ^ Switch off the machine. instruments and utensils and in the ^ Turn the programme selector to the machine itself. STOP position f. To ensure a steady supply of soft water ^ Press 4 and 6 at the same time, the water softener unit must always be:...

  • Page 17

    Water softener Settings °d mmol/l °f Setting °d mmol/l °f Setting (German (German scale) scale) 10.1 10.3 10.4 10.6 10.8 *) factory setting 19 *) For future servicing it is useful to make a note of your water hardness level. Enter your water hardness level here: °d (German scale) or mmol/l...

  • Page 18: Filling The Salt Reservoir

    These could contain components which are insoluble in water which could result in damage to the water softener. If in doubt consult your Miele Professional Department. The salt reservoir holds approx. 2.5 kg of salt. Inadvertently filling the salt reservoir with cleaning agent will damage the water softener.

  • Page 19: Salt Indicator

    Water softener Salt indicator When the salt reservoir is empty the k indicator light b comes on to remind you to fill the reservoir. Reactivation takes place automatically during a programme. The programme sequence indicator light k a lights up whilst this is happening.

  • Page 20: Adding Neutralising Or Rinsing Agent

    Adding neutralising or rinsing agent The duo dispenser incorporated in the Adding neutralising agent door has a capacity of approximately 2 x 180 ml. for liquid agents. Important: Both reservoirs must always be filled with the same liquid agent. Inadvertently filling the reservoir with powder or liquid detergent always causes serious damage to the reservoir.

  • Page 21: Rinsing Agent

    Rinsing agent is poured into the storage reservoir and the amount set is dispensed automatically. (This function has to be programmed into the machine by a Miele service ^ Add neutralising agent until the level technician). indicator is dark (see arrow on illustration).

  • Page 22: Setting The Dosage

    Adding neutralising or rinsing agent Setting the dosage The dosage adjuster in both openings has settings from 1-6 (1-6 ml). They are set to "5" (10 ml) at the factory as the recommended dosage for Neutralising agent. The recommended dosage for rinsing agent is 2 ml (4 ml altogether).

  • Page 23: Adding Neutralising Agent (optional)

    The DOS module has to be connected and the dosage concentration and amount set by a Miele service technician. ^ Fill the container (red) with The relevent programme (see "Programme Chart" - DOS 3) can not be neutralising agent, or change it for a...

  • Page 24: Adding Cleaning Agent

    Adding cleaning agent Only use cleaning agents suitable for washer disinfectors. Do not use detergents formulated for domestic dishwashers. Liquid cleaning agents (mildly alkaline) should be dispensed via a DOS module (available as an optional extra - see the Note on the next page).

  • Page 25: Maintenance Of The Dispensing System

    To ensure trouble-free operation the a cleaning agent: following regular maintenance should ^ What level of alkalinity is required to be carried out by a Miele approved ser- achieve the correct level of cleaning? vice technician. ^ Is active chlorine required for...

  • Page 26: Loading The Machine

    Loading the machine Loading the machine This washer-disinfector normally requires a top and bottom basket or a mobile (injector) unit. Preparation Various inserts and special baskets are ^ Empty all glassware and utensils also available for a wide variety of before loading into the machine instruments and utensils.

  • Page 27

    Loading the machine Note Important: ^ Load items so that water will come Make sure that the water connection into contact with all surfaces. This spring adapter engages correctly when ensures that they will be properly a basket or injector unit is inserted in cleaned.

  • Page 28

    Loading the machine Loading examples: O 187 Mobile unit E 350 Mobile unit "Intermiel" (Upper basket) for direct injection of For narrow necked glassware, narrow necked glassware, 34 jets 4x1 complete with 15 jets 4x1 mm/160 mm mm/ 160 mm with MIELAVA clips. high, 18 jets 6x1 mm/220 mm high and 33 MIELAVA clips.

  • Page 29

    Loading the machine U 874 Bottom basket/carrier (empty) E 106 For various inserts Stainless steel half insert with 28 spring clips in 2 different heights to accommodate a variety of laboratory glassware such as narrow necked flasks, measuring cylinders, medicine bottles etc.

  • Page 30: Adjusting The Top Basket

    Loading the machine Adjusting the top basket The top basket can be adjusted above and below the middle position by 2 cm. Depending on the position of the top basket, the baskets can accommodate vessels and instruments of the following heights: Example: Top basket O 188/1 and bottom basket U 874...

  • Page 31: Operation

    Operation ^ Select additional function DRYING Switching on 3 if required (see "Selecting an ^ Close the door. additional function"). ^ Open the stopcocks (if turned off). ^ Press the Start button 6. The actual ^ Press the I-0 button. temperature will appear in the display.

  • Page 32: Changing A Programme

    Operation Changing a programme Programme sequence display Provided the Start button has not yet The indicator light for the active been pressed, a wrongly selected programme stage lights up during the programme may be changed as programme. described below (if it has been Reactivation pressed, see "Cancelling a programme"):...

  • Page 33: Switching Off

    Operation Switching off To cancel a programme ^ Press and release the I-0 button. Once a programme is running it should only be cancelled in extreme cases, Note: e.g. when articles in the machine rattle As the machine is fitted with an electric or bump against each other and have door lock, the door can only be opened to be rearranged.

  • Page 34: Programming Special Functions

    Value set:_________. To use AD water in the programme section "Rinse 2" the machine has to be General notes: programmed by a Miele service – Switch positions that have not been technician. allocated a function are indicated in ^ Turn the programme selector to the the middle part of the display by a STOP position f.

  • Page 35: Altering The Temperature And/or The Temperature Holding Time In The "main Wash" And "final Rinse" Programme Stages

    Programming special functions 2. Altering the temperature "Main wash" temperature: and/or the temperature holding ^ Press 3 three times, E03 for time in the “Main wash” and programming level 3 will appear in “Final rinse” programme the display. stages ^ Turn the programme selector to the programme which needs to be Please make a note of any changes changed.

  • Page 36

    Programming special functions "Final rinse" temperature: Having changed a value or all values: ^ Turn the programme selector to the ^ Press the 6 button. SP appears. STOP position f (the programming ^ Press 6 again. The change has level is only displayed in this switch been recorded.

  • Page 37: Venting And Setting The Dosage On "dos Modules G 60 And C

    Programming special functions 3. Venting and setting the Setting the dosage: dosage on "DOS modules G 60 Set the amount to dispense and C 60" (optional extra) according to the detergent ^ Set the dosage selector on the manufacturer’s recommendations. DOS-Module to position 10 (applies The machine needs 9.5 litres of water in to DOS Module C 60 only).

  • Page 38: Delay Start And Setting The Delay Start Time

    Programming special functions ^ Press 4 to change from “80” to “81” 4. Delay start and setting the or vice versa. delay start time ^ Press the 6 button. SP appears. The start of a wash programme can be delayed by up to 24 hours in 30 minute ^ Press 6 again.

  • Page 39: Audible Tone (buzzer)

    Programming special functions ^ Press 4 or hold pressed in, until the 5. Audible tone (Buzzer) required value appears in the This special function allows you to display. programme a buzzer (lasting up to a ^ Press the 6 button. SP appears. maximum of 30 seconds) for the following functions: ^ Press 6 again.

  • Page 40: Re-setting All Parameter Changes Back To The Factory Settings

    Programming special functions 6. Re-setting all parameter If the hardness level setting in the changes back to the factory water softener had been changed settings. this will reset to the factory setting of 340 mg/l (19 °d). This will need to be ^ Turn the programme selector to the reset to suit the hardness level in STOP position f.

  • Page 41: Cleaning And Care

    Cleaning and care Cleaning the filters in the wash Cleaning the coarse filter cabinet This 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 glass splinters which could cause injury.

  • Page 42

    Cleaning and care Cleaning the fine, flat and micro-fine filters ^ Remove the coarse filter. ^ Then remove together with the flat filter. ^ Clean the filters. ^ Replace the filter combination by ^ Remove the fine filter (if fitted) from carrying out the above steps in the between the flat and the micro-fine reverse order.

  • Page 43: Cleaning The Spray Arms

    Cleaning and care Cleaning the spray arms Waste particles can lodge in the spray arm jets. It is therefore important to inspect the spray arms regularly. ^ Use a sharp pointed object to push particles into the spray arm jets and rinse well under running water.

  • Page 44: Cleaning The Drain Pump And Non-return Valve

    Cleaning and care Cleaning the drain pump and The drain pump is situated under the non-return valve (see arrow). non-return valve If water has not been pumped away at the end of a programme the drain pump or the non-return valve might be blocked.

  • Page 45: Cleaning The Filters In The Water Inlet

    Cleaning and care ^ Replace filters and the seal. Make Cleaning the filters in the water sure they are sitting correctly. inlet ^ 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 46: Correcting Minor Faults

    With the aid of the following explanatory The wash cycle finishes too early and the p / 6 indicator light flashes notes, minor faults can be corrected without contacting the Miele Service (fault code F A appears in the Dept. display).

  • Page 47: After Sales Service

    If you still have difficulties or if a fault code "F..." appears in the display, please contact your authorised Service Dealer or the Miele Service Department. See back cover for addresses. Please quote the fault code as well as the model type and number...

  • Page 48: Installation

    Installation ^ Open the door. 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 and condensed water. The machine must be installed correctly and levelled.

  • Page 49

    Depending on the requirements for building under, the following kit can be ordered from the Miele Spares Dept.: Cover plate (protects the worktop) The underside of the worktop is protected against water damage by a stainless steel plate.

  • Page 50: Electrical Connection

    Electrical connection Bonding connection All electrical work must be There is a screw connection point carried out by a suitably qualified marked with the earth symbol ( ) at and competent person in the back of the machine, to which the accordance with local and national earth lead must be connected.

  • Page 51

    Electrical connection To remove the service panel and plinth: Disconnect the machine from the mains electricity supply. ^ Remove 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 the plastic protective cap.

  • Page 52: Plumbing

    – If the iron content in the water is too on and the fault code "F..E" show in high, there is a risk or corrosion the display. Please contact the Miele damage to instruments. Service Department. If the chloride content in the water exceeds 100 mg/l, the risk of –...

  • Page 53

    (see illustration). Miele Service Technician. The inlet hose will remain on the rear of the See also the installation diagram machine.

  • Page 54: Drainage

    Hose clips are supplied for securing it in position. – A longer drain hose (up to 4 m long) is available to order from the Miele Spare Parts Dept. – The drainage system must not exceed 4 metres. See also the installation diagram...

  • Page 55: Technical Data

    Technical data Height: 85 (82) cm Width: 60 cm Depth: 60 cm Voltage: see data plate Connected load: see data plate Fuse rating: see data plate Mains connection cable: approx. 1.8 m Water pressure (flow rate): 50 - 1000 kPa (0.5 - 10 bar) Cold or hot water inlet connections: up to max.

  • Page 56: Programme Chart

    Programme chart Programme When to use Cleaning agent (when not using liquid cleaning agent) Follow manufacturer’s instructions For laboratory utensils and glassware with light Approx. 20 grammes in the water soluble contamination. cleaning agent dispenser, SHORT This programme does not include a pre-wash or preferably a ph-neutral neutralisation.

  • Page 57: Programme Sequence

    See "Programme special functions" for instructions on how to activate Rinse 2 (To use AD water in the programme section "Rinse 2" the machine has to be programmed by a Miele service technician). DOS 1 = For dispensing cleaning agent (see "Adding cleaning agent") DOS 2 = For dispensing rinsing agent (see "Adding neutralising or rinsing agent")

  • Page 60

    Alteration rights reserved / 3108 M.-Nr. 05 841 051 / 01...

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