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Miele G 7859 Operating Instructions Manual
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Miele G 7859 Operating Instructions Manual

Miele G 7859 Operating Instructions Manual

Commercial dishwasher
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Operating instructions

Commercial Dishwasher
G 7859
@ä]
It is essential to read these
operating instructions before
installing, commissioning or
using the machine, to avoid
the risk of accident or damage
M.-Nr. 05 339 030

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  • Page 1: Operating Instructions

    Operating instructions Commercial Dishwasher G 7859 @ä] It is essential to read these operating instructions before installing, commissioning or using the machine, to avoid the risk of accident or damage M.-Nr. 05 339 030...

  • Page 2: Table Of Contents

    Contents Contents Description of the machine ......... . 3 Guide to the machine.

  • Page 3: Description Of The Machine

    Description of the machine Description of the machine This Miele machine is a frontloading commercial dishwasher, with very short batch times especially suitable for use in restaurants, cafés, fast food outlets, boarding houses, etc. It operates on the freshwater system...

  • Page 4: Guide To The Machine

    Guide to the machine Guide to the machine 1 On/Off button (I-0) 2 Door release 3 Display field 4 “Delay start” indicator light (see “Programming special functions”) 5 “Drying” indicator light 6 “Programme start” indicator light 7 Start button 8 Drying button 9 Switch to change display from “Actual temperature”...
  • Page 5 17 Connection for DOS dispenser module at the rear (Dispenser pump for liquid detergent) 18 Filter combination 19 Salt reservoir (Water softener) Guide to the machine 20 Dispenser for powder detergent 21 Dispenser for rinse aid (with dosage selector)

  • Page 6: Warning And Safety Instructions

    A damaged machine is dan- gerous. Switch off at the mains im- mediately and call the Miele Service De- partment or an authorised and trained Miele Service Dealer or other suitably qualified and competent person.

  • Page 7: Warning And Safety Instructions (Detachable)

    The following notes should help to avoid material damage. Only use detergents formulated for special processes and approved by Miele for use with this machine. Use of unsuitable detergents could adversely affect the components of the machine as well as items being cleaned.
  • Page 8 Miele Application Technology specialists. If the cleaning result is subject to particularly stringent requirements (e.g.
  • Page 9 Use of accessories Only specific additional equip- ment, made by Miele should be connected to this machine. Consult Miele on the type and application of such equipment. Disposal of the old machine When disposing of your old ma- chine first make it unusable. Dis-...

  • Page 10: Caring For The Environment

    Caring for the environment Caring for the environment Disposal of the packing material The transport and protective packing has been selected from materials which are environmentally friendly for disposal and can normally be recycled. Rather than just throwing these materials away, please ensure they are offered for recycling.

  • Page 11: Before Using For The First Time

    Filling the salt reservoir with detergent by mistake will cause serious damage to the water softener. Please check every time before refilling that the package contains dishwasher reactivation salt. Adding rinse aid. Inadvertently filling the reservoir for rinse aid with powder or liquid deter- gent, or washing up liquid, will cause serious damage to the reservoir.

  • Page 12: Electric Door Lock

    Opening and closing the door Opening and closing the door Electric door lock The machine is equipped with an elec- tric door lock. The door can only be opened when: the machine is connected electrically the main switch I-0 is on. To open the door a Press the door button in fully and at the same time pull open the door.

  • Page 13: Water Softener

    Water softener To avoid the build-up of calcium de- posits on items being cleaned and in the machine the water needs to be soft- ened. To ensure a steady supply of soft water the water softener unit must always be: 1.
  • Page 14 Water softener Table of settings °d mg/l 19 *) °f Setting *) factory setting Machines without a water softener are set to “0” at the factory. This set- ting of “0” must not be changed on these machines. °d mg/l °f 1010 1030...

  • Page 15: Setting The Water Softener

    Water softener Setting the water softener Switch the machine off. Turn the programme selector to f “STOP”. Press 4 and 6 at the same time, hold them in and whilst doing so switch on the machine with the I-0 main switch. The actual programme status “P...”...

  • Page 16: Filling The Salt Reservoir

    The salt reservoir holds about 2.5 kg of salt. Inadvertently filling the salt reservoir with dishwasher detergent always causes serious damage to the water softener. Make sure that you have picked up the right packet of reactivation salt before filling the salt reservoir.

  • Page 17: Salt Indicator

    Water softener Salt indicator When the salt reservoir is empty the k indicator light c comes on. The reser- voir should be refilled with dishwasher salt for reactivation. The reactivation programme runs auto- matically during a programme. The indicator light k b on the pro- gramme sequence display lights up during this process.

  • Page 18: Loading The Machine

    Loading the machine Loading the machine Loading the machine Preparation Empty all containers before loading into the machine. Ensure that no acid or solvent residues, especially hydrochloric acid or chlorides access the wash cabinet. Notes Load items so that water will come into contact with all surfaces.

  • Page 19: Loading Examples

    Loading examples: O 881 upper basket for 20 cups, 24 saucers or 12 dessert plates. U 880 lower basket with 2 x E 216 half inserts each for 15 plates Ø 240 mm and 2 x E 165 cutlery baskets for various items of cut- lery.
  • Page 20 Loading the machine Glassware set GG/F-GL O 882 upper basket for 27 glasses Ø 65 mm. U 880 lower basket with 2 x E 205 half inserts each for 14 glasses Ø 65 mm.

  • Page 21: Adjusting The Upper Basket

    Colours painted over a glaze may fade after a number of washes. Clouding may occur on glasses after frequent washing. Our recommendations Wash delicate glassware by hand. When purchasing new glasses, dishes and cutlery make sure they are dishwasher-proof. Loading the machine...

  • Page 22: Adding Rinse Aid

    Adding rinse aid Adding rinse aid Rinse aid is necessary to ensure that water does not cling and leave marks on utensils during the drying phase. Rinse aid is poured into the storage reservoir and the amount set is dis- pensed automatically in the final rinse.
  • Page 23 Add rinse aid only until the surface is visible in the opening. Close the flap firmly. The flap must audibly engage, otherwise water could get into the rinse aid reservoir during the programme. Mop up any spilt rinse aid. This pre- vents over-foaming occuring during the next programme.

  • Page 24: Setting The Dosage

    Adding rinse aid Setting the dosage The dosage adjuster (see arrow) in the opening has settings adjustable from 1 to 6 (1-6 ml). It is set to “3” (3 ml) at the factory as the recommended dose. If there are flecks on utensils after drying use a higher setting.

  • Page 25: Adding Cleaning Agent

    Follow manufacturer’s instructions if they differ. Close the dispenser lid. Under certain circumstances, i.e. spe- cial soiling, different combinations of cleaning agents and other additives may be necessary. The Miele Profes- sional Department (Applications Tech- nology) will be pleased to advise you.
  • Page 26 To ensure safe functioning, mainten- ance work should be carried out at spe- cified intervals. The work should only be carried out by a Miele authorised and trained service technician or other suitably qualified and competent person. Every 1 - 1...
  • Page 27 The following notes are to help avoid personal injury The machine should be commis- sioned and then maintained only by a Miele authorised and trained ser- vice technician or other suitably quali- fied and competent person. Do not install the machine in an area where there is a danger of ex- plosion or of freezing conditions.
  • Page 28 Warning and Safety instructions Warning and Safety instructions Repair work may only be carried out by an authorised Miele service technician or other suitably qualified and competent person. Repairs by un- qualified persons could be dangerous. Personnel operating the machine should be trained regularly.
  • Page 29 The following notes should help to avoid material damage. Only use detergents formulated for special processes and approved by Miele for use with this machine. Use of unsuitable detergents could adversely affect the components of the machine as well as items being cleaned.
  • Page 30 Use of accessories Only specific additional equip- ment, made by Miele should be connected to this machine. Consult Miele on the type and application of such equipment. Disposal of the old machine When disposing of your old ma- chine first make it unusable. Dis-...

  • Page 31: Programme Selection

    Programme selection Programme selection Choose your programme according to the type of utensil being cleaned and the degree of soiling. The different programmes and their uses are described overleaf in the Programme chart.

  • Page 32: Programme Chart

    Programme chart Programme chart Programme COLD To rinse heavily soiled items, (e.g. for removing soiling or to prevent soiling drying on to dishes when a full programme does not yet need to be run). SHORT “Quick programme” for lightly soiled crockery. UNIVERSAL For normally soiled crockery.

  • Page 33: Programming Special Functions

    Pre- Pre-wash Main wash liminary pre-wash 65°C/1’ 65°C/1’ 65°C/3’ X = sections included in a programme (with temperature/temperature holding time) To change a temperature or temperature holding time see “Programming special functions”. To select a second interim rinse II see “Programming special functions”. Programme sequence Economy Interim...

  • Page 34: Switching The Machine On And Off

    Switching the machine on and off Switching the machine on and off Switching on Close the door. Open the stopcocks (if turned off) . Press the I-0 button. When the programme selector is at the f “STOP” position a point lights up in the display field.

  • Page 35: Switching Off

    Changing a programme Provided the “Start” button has not yet been pressed, a wrongly selected pro- gramme may be changed as described below, (if it has been pressed see “Can- celling a programme”): Turn the programme selector to the required function. Select additional function 3 (DRYING) again if required (see “Selecting an additional function”).

  • Page 36: Cancelling A Programme

    Switching the machine on and off Cancelling a programme Once a programme is running it should only be cancelled in extreme cases, e.g. when articles in the machine rattle or bump against each other and have to be rearranged. Turn the programme selector to the f position (the programme is cancelled after approx.

  • Page 37: Programming Special Functions

    Programming special functions In the event of a service call at a later date, any changes made to the fac- tory setting should be documented here. Make a note of any changes made in the “Value set: ” box. 1. Setting the cold water inlet from: “Nominal water intake”...
  • Page 38 Programming special functions 3. Delay start and setting the delay start time The start of a wash programme can be delayed by up to 9 hours and 30 minutes in 30 minute stages. Note: Delay start should only be selected with the Universal and Intensive pro- grammes.
  • Page 39 4. Venting and setting the dosage on “DOS module G 60 or C 60” (special version) Set the dosage selector on the DOS module to the “10” position (on DOS module C 60 only). Turn the programme selector to the f “STOP”...
  • Page 40 Programming special functions 5. Altering the wash temperature and/or the temperature holding time in the “Main wash” and “Final rinse” programme stages In the event of a service call-out, as- sist the service technician by making a note of any change to the wash temperature and / or the temperature holding time in the “Programme chart”.
  • Page 41 Turn the programme selector back to the programme which needs to be changed. The actual value appears in the display after °C. Press 4 or hold it in, until the re- quired value appears in the display. “Final rinse” temperature holding time: Turn the programme selector to the f “STOP”...

  • Page 42: Cleaning And Care

    Cleaning and care Cleaning and care Cleaning the filters in the wash cabinet The machine must not be used with- out 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 43: Cleaning The Spray Arms

    Cleaning the spray arms Waste particles can lodge in the spray arm jets. The spray arms should be inspected and cleaned regularly (approx. every 6 months). Use a sharp pointed object to push particles into the spray arm jets and rinse well under running water.
  • Page 44 Cleaning and care Cleaning the drain pump and 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. They are, however, easy to clean. Take the filter combination out of the wash cabinet.
  • Page 45 Cleaning the filters in the water inlet For the protection of the inlet valve, filters are incorporated in the screw connection of the water inlet hose. The filters must be cleaned when dirty, otherwise insufficient water flows into the wash cabinet. The plastic housing of the water con- nection contains an electrical compo- nent.

  • Page 46: Correcting Minor Faults

    Correcting minor faults With the aid of the following explanatory notes, minor faults can be corrected with- out contacting the Miele Service Dept. Any work on the electrical components of the machine should only be carried out by a suitably qualified and compe- tent person in accordance with local and national safety regulations.

  • Page 47: After Sales Service

    Press the reset button on the heater limiter (yellow) located on the left hand side of the plastic cover. Correcting minor faults If this switch trips again, the Miele Service Dept. must be contacted. After Sales Service Should you still have any difficulties or if the fault code “F...”...

  • Page 48: Installation

    Installation 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 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 Spare Parts Department: Coverplate (protects the worktop) The underside of the worktop is protected from water ingress by a stainless-steel plate.

  • Page 50: Electrical Connection

    Electrical connection Electrical connection All electrical connection work must be carried out by a qualified electrician in compliance with local and national regulations. For extra safety it is advisable to in- stall a residual current device (RCD) with a trip current of 30 mA. Technical data is available on the data plate or in the enclosed wiring diagram.

  • Page 51: Plumbing

    / 6 -indicator light may come on and the fault code “F2E” show in the display field). Please consult the Miele Service Department with re- gard to corrective measures. The machine is supplied as standard for connection to a cold (coded blue) or a hot (coded red) water sup- ply up to a max.
  • Page 52 Two hose clips are also supplied for connection. The drain hose must not be shortened. A longer drain hose (up to 4 m long) is available to order from the Miele Spare Parts Dept. The drainage system must not ex- ceed 4 metres.

  • Page 53: Technical Data

    Technical data Height: Width: Depth: Voltage: Rated load: Fuse rating: Connection cable: Water pressure (flow pressure): Cold or hot water connection: Drainage length: Delivery head: Inlet hose: Drain hose: Noise level: Test marks: Electrically suppressed according to Technical data 85 (82) cm 60 cm 60 cm see data plate...
  • Page 56 Alteration rights reserved / 003 4500 This paper consists of cellulose which has been bleached without the use of chlorine.

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