Miele G 7835 CD User manual

Installation and operating instructions

Washer-Disinfector

G 7835 CD

To avoid the risk of personal injury or

damage to the appliance,

it is essential that

you read these operating instructions

before installation and use. M.-Nr. 07 776 530

en-CA

Safety instructions and warnings ....................................4

Proper use .....................................................4

Symbols on the appliance .........................................8

Intended Use .....................................................9

Description of the appliance........................................11

Electronic controls .................................................12

Opening and closing the door ......................................14

Electric door lock ..................................................14

How to use the emergency door release................................14

Water softener ...................................................15

Setting the water softener ...........................................16

Salt indicator .....................................................16

Filling the salt reservoir .............................................16

Automatic mobile unit recognition (AWK).............................18

Mobile unit coding .................................................18

Holder with mobile unit coding .....................................19

Setting the mobile unit coding .....................................19

Applications .....................................................21

Protein testing ....................................................21

How to load the machine ............................................22

Spring-loaded adapter for the water line................................23

How to adjust the upper basket.......................................23

OR Instruments (OP) ...............................................24

Ophthalmological instruments ........................................25

Anesthesia instruments (AN) .........................................26

Baby bottles (BC) .................................................27

OR shoes (OS)....................................................28

Laboratory equipment (LG) ..........................................29

Chemical process ................................................30

Adding liquid detergents and neutralizers ............................35

Prepare the dispensing system .......................................35

Adding liquid detergents and neutralizers ............................36

Priming the dispensing system .......................................37

Servicing the dispensing system......................................37

External dispensing systems .........................................37

Contents

Operating the machine ............................................38

How to switch on ..................................................38

Changing the operating level ........................................38

Starting a program.................................................39

Program sequence ................................................40

Turning off .......................................................41

Cancelling a program ..............................................41

Interrupting a program..............................................42

Data transfer.....................................................43

Caring for the appliance ...........................................44

Routine maintenance ...............................................44

Process validation .................................................44

Routine checks ...................................................44

Cleaning the filters in the wash cabinet.................................45

Cleaning the coarse filter .........................................45

Cleaning the flat and micro-fine filters ...............................46

Cleaning the spray arms ............................................47

Cleaning the control panel...........................................48

Cleaning the front of the appliance ....................................48

Cleaning the wash cabinet ..........................................48

Cleaning the door seal..............................................48

Mobile units, baskets and inserts .....................................49

Servicing the drying unit ............................................50

Changing the coarse filter ........................................50

Changing the fine filter ...........................................51

Troubleshooting..................................................52

Temperature sensor................................................52

Cleaning the filters in the water inlet ...................................53

Cleaning the non-return valve and drain pump...........................54

Customer service.................................................55

Installation ......................................................56

Electrical connection..............................................58

Plumbing........................................................59

Technical data ...................................................62

Disposing of an old appliance ......................................63

Contents

This appliance complies with all

applicable safety laws and

regulations. However, inappropriate

use can lead to personal injury and

property damage.

Read the operating instructions

carefully before using this machine.

This will help keep you safe and

avoid damage to the machine.

Keep these instructions in a safe

place.

Proper use

~This machine is intended only for the

purposes specified in the operating

instructions. Any other uses,

conversions and modifications are not

allowed and can be dangerous.

The cleaning and disinfection

processes described here apply only to

those instruments, medical products

and labware that are specifically

re-used. Follow the product

manufacturer's instructions.

Miele will not be held liable for damage

caused by incorrect use or operation of

any kind.

~This machine is intended exclusively

for use in interior locations.

~The installation of this appliance in

non-stationary locations must be

performed by a qualified installer or

service agency in strict accordance

with national and local safety

regulations and standards.

To avoid injury, please follow these

instructions!

~The machine must be installed,

maintained and repaired by a Miele

Service Technician. For best

compliance with Good Laboratory

Practice and regulations governing the

use of medical products, a Miele Ser-

vice and Repair Contract is

recommended. Repairs by unqualified

persons could be very dangerous!

~Do not install the machine in an area

where there is a risk of explosion or

freezing.

~The electrical safety of this machine

is only assured if it is connected to a

properly installed grounding system. It

is imperative that this basic safety

requirement is met. If there is any

doubt, have the electrical system

checked by a qualified electrician.

The manufacturer will not be held liable

for damages resulting from an

inadequate grounding system (e.g.

electric shock).

~A damaged or leaking machine is

dangerous. Turn off the machine imme-

diately at the power switch and call the

Miele Service Department.

~Machine operators must be trained

on a regular basis. Untrained personnel

must not be allowed access to the

machine or its controls.

Safety instructions and warnings

~Take care when handling

processing chemicals (detergents,

softeners, neutralizers, rinsing agents,

etc.). These may contain irritant or

corrosive ingredients.

Observe the applicable safety

regulations! Wear protective gloves and

goggles! Always follow the

manufacturer's safety instructions and

material safety data sheets when using

processing chemicals.

~The machine is only designed for

use with water and the recommended

processing chemicals. NEVER use

organic solvents or flammable liquids.

These could cause an explosion or

damage to rubber and plastic

components, which results in leaks.

~The water in the machine is not safe

to drink!

~Do not stand, sit or lean on the

machine door when open. The

appliance might tip over or be

damaged.

~Take care when loading standing

items with sharp pointed ends. Position

them in the machine so that you will not

hurt yourself or create a danger for

others.

~When operating this machine,

beware of the high temperatures

involved. If you bypass the electrical

lock to open the door, there is the

danger of scalding and heat or

chemical burns. If disinfectants have

been used, there is also a risk of

inhaling toxic vapors.

~If toxic chemicals may be present in

the wash cabinet (e. g. aldehydes in

the disinfectant), the door seal and, if

applicable, the steam condenser must

regularly be checked for soundness.

Opening the washer door during a

program interruption is particularly

dangerous when toxic chemicals are

present.

~If you are exposed to toxic vapors or

processing chemicals, consult the

manufacturer's material safety data

sheets for emergency procedures.

~Always allow baskets, inserts and

the washload to cool down. Empty any

water from hollow items into the wash

cabinet.

~After drying with the drying unit,

leave the door open at first to allow the

items, baskets and inserts to cool

down.

~Do not touch the heating elements

when you open the door during or at

the end of a program. They remain hot

for quite a few minutes after the

program has ended and can cause

burns.

~NEVER hose down the machine or

the immediate vicinity, e.g., with a water

hose or pressure washer.

~Before servicing the machine,

disconnect it from the power supply.

Safety instructions and warnings

The following points should always

be observed to assist in maintaining

quality standards when processing

medical devices and critical items, to

protect patients and to avoid damage

to property.

~If the machine is being used for

decontamination ordered by the

authorities, the steam condenser and

its connections to the wash

compartment and outlet discharge

must be disinfected in the event of

repairs or replacements.

~Only authorized persons may

interrupt a program, and only in

exceptional cases.

~It is the responsibility of the operator

to routinely check that the required

cleaning and disinfection standards are

being met. Therefore, the processes

need to be thermoelectrically tested on

a regular basis and process results

checked and documented. For

thermo-chemical processes, additional

testing is required using chemical or

biological indicators.

~For thermal disinfection, the

appropriate temperatures and holding

times, as required by microbiological

and public health standards and

guidelines, must be used to achieve the

required degree of infection control.

~Disinfection programs that use a

chemical disinfectant at moderate

temperatures (for example 65 °C or

below) do NOT fulfill the requirement for

mandatory decontamination under

Section 18 of the IfSG. These programs

should only be used when the items in

question are temperature-sensitive. The

disinfection parameters are based on

the trials carried out by the disinfectant

manufacturer. Always observe their

specifications for handling, application

conditions and efficacy. The operator is

responsible for the use of any such

thermo-chemical processes.

~OR shoes should only be cleaned

and disinfected in a machine that has

been installed for that purpose.

~Under certain circumstances, the

processing chemicals can damage the

appliance. Consult Miele Customer Ser-

vice for recommendations. For

concerns involving possible damage to

the appliance or materials, please

consult a Miele Application Specialist.

~Pre-treating (e.g. with cleaning

agents or disinfectants), some types of

soiling and the interaction of certain

processing chemicals can cause

foaming. Suds can have an adverse

effect on the results obtained.

~The process must be set so that no

foam escapes the wash compartment.

Escaping foam impairs the safe

operation of the machine.

~The process must be checked

regularly in order to detect any

foaming.

Safety instructions and warnings

~In order to prevent damage to the

machine and any accessories through

processing chemicals or dirt as well as

any interaction between them, see the

instructions in the section Chemical

process.

~Even when a certain processing

chemical is recommended, the

appliance manufacturer takes no

responsibility for the effect of such

chemicals on the material of the items

to be treated.

Note that formulation changes, storage

conditions, etc. that are not disclosed

by the manufacturer may alter the

cleaning results obtained.

~When using processing chemicals,

it is essential that the manufacturer’s

instructions are followed. Use the

processing chemicals only for the

applications intended by the

manufacturer to avoid possible

chemical reactions (such as explosive

oxyhydrogen gas reactions).

~For critical applications, where very

high processing-quality requirements

have to be met, it is strongly

recommended that all process-related

factors (cleaning agents, water quality,

etc.) be discussed in advance with

Miele's Application Specialist.

~For applications that demand

especially stringent cleaning and

rinsing, (e.g., chemical analysis,

special industrial processes, etc.) the

operator must perform quality control

on a regular basis to ensure the

required standard.

~The mobile units, baskets and

inserts must only be used for their

specific applications.

Hollow items must be positioned for full

exposure to wash water.

~Empty all containers and hollow

utensils before loading them.

~Ensure that no acid or solvent

residues, especially hydrochloric acid

or chloride solutions, get inside the

wash cabinet. This also applies for

corrosive ferrous material. Solvents

combined with contaminants

(especially from hazard class A1)

should be present in trace amounts

only.

~To avoid corrosion damage, make

sure the stainless steel housing does

not come into contact with

solutions/steam containing hydrochloric

acid.

~Whenever work is conducted on the

tap water network, the water supply line

to the machine must be cleared of air.

Failure to do so can result in damage to

the machine.

~Please be sure to follow the

installation instructions in this manual

and in the separate installation manual.

Safety instructions and warnings

Accessories

~Whatever the application, only Miele

accessories should be connected to

this machine. Consult a Miele

Application Specialist for details on the

type of equipment to use.

~Only Miele mobile units, baskets

and inserts should be used. If Miele

accessories are altered in any way, or

equipment from another manufacturer

is used, Miele cannot ensure the

cleaning and disinfection results.

Damage or injury caused in this way

are excluded from the warranty.

~Only use processing chemicals that

are approved by their manufacturer for

the application involved. Any negative

effects on items and the machine itself

are the liability of the manufacturer of

the processing chemicals.

Symbols on the appliance

Caution:

Comply with the Operating

Instructions!

Caution:

Danger of electric shock!

Disposing of your old appliance

~Old appliances may be

contaminated from exposure to blood

or other body fluids and must therefore

be decontaminated before disposal.

For safety and environmental

protection, be sure to drain/remove all

processing chemical residue. (Comply

with safety regulations and wear

protective eyewear and gloves.)

Remove or destroy the door latch, to

prevent children from locking

themselves inside. The appliance can

now be sent for disposal through the

proper resource recovery facilities.

In the case of machines with a tank

system, the water in the tank must first

be removed.

The manufacturer will not be held

liable for damage caused by failure

to comply with the safety instructions

and warnings.

Safety instructions and warnings

Miele washer-disinfectors are designed

to clean, rinse, disinfect

(thermal/thermochemical) and dry

re-usable medical devices, laboratory

equipment and instrumentation.

Whatever items are being processed,

always comply with the particular

manufacturer's instructions (EN ISO

17664).

Typical applications include:

–surgical instruments,

–endoscopic instruments,

– intensive care and anesthesiology

equipment,

– baby bottles and nipples,

– OR shoes,

– laboratory equipment for research

and production,

– laboratory equipment for analytical

and preparation applications,

–microbiology and biotechnology

labware.

Labware can include anything from

evaporation dishes to centrifuge tubes.

In this operating manual, the general

term labware is used to cover a range

of equipment and items.

For standardized results, it is preferable

to machine-wash lab instruments and

equipment.

When disinfection is required to protect

staff and/or patients, the preference is

for thermal disinfection, e. g., with the

DESIN vario TD process.

According to the A0concept described

in EN ISO 15883-1, thermal disinfection

occurs at 80°C (+ 5 °C, - 0 °C) with

10 min holding time (A0600), or at 90°C

(+ 5 °C, - 0 °C) with 5 min holding time

(A03000), depending on the

disinfection result required. The

efficacy standard A03000 includes the

inactivation of HBV.

Regional and/or other official directives

may apply (e. g., §18 of the IfSG for

Germany).

The cleaning parameters should always

be optimally matched to the type of

soiling and labware involved.

The processing chemicals used also

should be matched to the particular

cleaning needs / analysis / analytical

methods involved.

Intended Use

For re-usable items to be safe for

continued use, the cleaning result must

meet certain minimum standards for

disinfection, sterilization and residue

levels.

Re-usable medical products are best

cleaned with the DESIN vario TD

process.

Also important for acceptable cleaning

results is the use of suitable loading

accessories (mobile carts, modules,

inserts). See the section on

"Applications" for examples.

The washer-disinfector is designed to

rinse with tap water or processed water

(e.g., distilled water, pure water,

deionized water, demineralized water)

depending on the quality required for

your application(s). The water quality

selected is especially important for

labware intended for analytical uses.

Under EN ISO 15883, this

washer-disinfector is suitable for

process validation.

Intended Use

Table of contents

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