N&W Global Vending Koro Prime Espresso Installation, Operation & Maintenance Manual

EN English

Koro Prime

Espresso

DOC. NO. H 4875EN00

H 4875EN00H 4875EN00

Edition 1 01 - 2016

INSTALLATION, OPERATION, MAINTENANCE

Translation of original instructions

Italiano Si dichiara che la macchina, descritta nella targhetta di identicazione, è

conforme alle disposizioni legislative delle Direttive Europee elencate a lato e suc-

cessive modiche ed integrazioni.

English The machine described in the identication plate conforms to the legisla-

tive directions of the European directives listed at side and further amendments and

integrations

English The harmonised standards or technical specications (designations) which

comply with good engineering practice in safety matters in force within the EU have

been applied are:

Français La machine décrite sur la plaquette d’identication est conforme aux

dispositions légales des directives européennes énoncées ci-contre et modications

et intégrations successives

Español Se declara que la máquina, descrita en la etiqueta de identicación, cum-

ple con las disposiciones legislativas de las Directrices Europeas listadas al margen

y de sus sucesivas modicaciones e integraciones

Português Declara-se que a máquina, descrita na placa de identicação está con-

forme as disposições legislativas das Diretrizes Européias elencadas aqui ao lado e

sucessivas modicações e integrações

Deutsch Das auf dem Typenschild beschriebene Gerät entspricht den rechts aufge-

führten gesetzlichen Europäischen Richtlinien, sowie anschließenden Änderungen

und Ergänzungen

Nederlands De machine beschreven op het identicatieplaatje is conform de

wetsbepalingen van de Europese Richtlijnen die hiernaast vermeld worden en latere

amendementen en aanvullingen

Italiano Le norme armonizzate o le speciche tecniche (designazioni) che sono

state applicate in accordo con le regole della buona arte in materia di sicurezza in

vigore nella UE sono:

Français Les normes harmonisées ou les spécications techniques (désignations)

qui ont été appliquées conformément aux règles de la bonne pratique en matière de

sécurité en vigueur dans l’UE sont :

Deutsch Die harmonisierten Standards oder technischen Spezikationen (Bestim-

mungen), die den Regeln der Kunst hinsichtlich den in der EU geltenden Sicherheits-

normen entsprechen, sind:

Español Las normas armonizadas o las especicaciones técnicas (designaciones)

que han sido aplicadas de acuerdo con las reglas de la buena práctica en materia de

seguridad vigentes en la UE son:

Português As normas harmonizadas ou as especicações técnicas (designações)

que foram aplicadas de acordo com boas regras de engenharia em matéria de seg-

urança em vigor na UE são:

Nederlands De geharmoniseerde normen of technische specicaties (aanwijzingen)

die toegepast werden volgens de in de EU van kracht zijnde eisen van goed vakman-

schap inzake veiligheid zijn de volgende:

DICHIARAZIONE DI CONFORMITA’

DECLARATION OF CONFORMITY

DÉCLARATION DE CONFORMITÉ

KONFORMITÄTSERKLÄRUNG

DECLARACIÓN DE CONFORMIDAD

DECLARAÇÃO DE CONFORMIDADE

VERKLARING VAN OVEREENSTEMMING

Targhetta di identicazione

Identication label

Valbrembo, 20/04/2016

ANDREA ZOCCHI

C.E.O

Direttive europee

European directives

Sostituita da

Repealed by

2006/95/CE 2014/35/EU

2006/42/EC

97/23/EC

2004/108/EC 2014/30/EU

90/128/EC 2002/72/CE+

2008/39/CE

80/590/EEC

and 89/109/EEC

EC 1935/2004

EC 10/2011

2002/95/EC 2011/65/EC

2002/96/CE 2012/19/UE

Norme armonizzate / Speciche tecniche

Harmonised standards / Technical specications

EN 60335-1:2002 + A1:2004 + A11:2004 + A12:2006

+ A2:2006+ A13:2008

EN 60335-2-75:2004 + A1:2005 + A11:2006 +

A2:2008 + A12:2010

EN 62233:2008

EN 55014-1: 2006 + A1: 2009 + A2:2011

EN 55014-2: 1997 + A1: 2001 + A2: 2008

EN 61000-3-2: 2014

EN 61000-3-3: 2013

Il fascicolo tecnico è costituito presso:

N&W GLOBAL VENDING S.p.A.

The technical le is compiled at:

Declaration of conformity

The declaration of conformity with the Euro-

pean Directives and Standards provided for by

the laws in force is supplied by the rst page of

this manual, which is an integral part of the machine.

It is declared on that page that the machine described by

the identication plate is in compliance with:

- The legal provisions of the European Directives in force

(with the subsequent amendments and integrations

thereof)

- The harmonised standards in force

- The technical specifications (designations) applied

in compliance with the safety rules of good practice

enforced in the EU and listed on the same page.

Symbology

The following symbols may be present inside the ma-

chines, according to models (signs of danger)

Attention: dangerous voltage

Power o before removing the cover

Attention

Danger of crushing your hands

Attention

Hot surface

The signs of danger must be readable and visible;

they shall be neither hidden nor removed. Damaged

or unreadable labels must be replaced.

Warnings

This document intended for the technical personnel is

made available in the electronic format at the manufac-

turer's (reserved area web site).

for installation

The installation and any subsequent maintenance

operation shall be carried out by the personnel

skilled and trained on the utilisation of the machine

according to the rules in force

The machine is sold without any payment system. As

a consequence, only the installer will be liable for any

damage that may be caused to the machine or to things

and persons by an incorrect installation of the payment

system.

The intactness of the machine and its compliance

with the standards of relevant installations must be

checked by skilled personnel at least once a year.

Package materials must be disposed of in observance of

the environment.

Only for hot beverage machines

The machine is equipped with an automatic washing

system for the mixers with the relative water circuit and

the brewing unit.

If the machine is not used for some time (weekends,

etc.) even for pauses longer than two days, it is recom-

mended to enable the automatic washing functions (e.g.

before starting to use the VM.

for use

The machine can be used by children over 8 years and

by people having reduced physical, sensorial or men-

tal skills under the supervision of people responsible

for their safety or specically trained on the use of the

machine.

Children shall not be allowed to play with the machine by

the people in charge of their supervision

Children shall not be allowed to clean or service the

machine.

for the environment

Some tricks will help you to protect the environment:

- use biodegradable products to clean the machine;

- properly dispose of all the packages of the products

used to fill and clean the machine;

- power off the machine during inactivity for energy sav-

ing.

for dismantling and disposal

When dismantling the machine, it is recommended to

destroy the machine rating plate.

The symbol shows that the machine can not

be disposed of as common waste, but it must

be disposed of as it is established by the

2012/19/EU (Waste Electrical and Electronic

Equipment - WEEE) European Directive and

by the national laws arising out of it in order to prevent

any negative consequence for environment and human

health.

The dierentiated collection of the machine at the end of

its life is organised and managed by the manufacturer.

For the correct disposal of the machine contact the sales

point where you have purchased the machine or our

after-sales service.

The unlawful disposal of the machine implies the appli-

cation of the administrative sanctions provided for by the

rules in force.

Attention!

If the machine is equipped with a cooling system, the

cooling unit contains HFC-R134a uoridised green-

house eect gas

ruled by the Kyoto protocol, the total heating potential of

which is equal to 1300.

English

TABLE OF CONTENTS

PAGE

INTRODUCTION 2

idEntification of thE machinE and its fEaturEs 2

in casE of failurE 2

transport and storagE 2

positioning thE vEnding machinE 3

TECHNICAL FEATURES 3

ElEctric EnErgy consumption 5

CLEANING AND FILLING 6

hygiEnE and clEaning 7

using thE dispEnsErs of hot drinks in opEn canistErs 8

CONTROLS AND INFORMATION 8

LOADING PRODUCTS 9

coffEE bEans 9

instant products 9

milk 9

clEaning wastE trays 10

clEaning mixErs and food circuits 10

clEaning thE brEw unit 12

clEaning thE milk tank 12

clEaning and filling thE watEr supply tank 12

sErvicE intErruption 12

sErvicE functions 12

washing thE cappuccinatorE 13

INSTALLATION 14

unpacking thE vEnding machinE 15

watEr supply 15

ElEctrical connEction 16

paymEnt systEm assEmbly 17

dEcalcifiEr 17

insErting sElEction labEls 17

FIRST POWER ON 18

filling thE watEr circuit 18

initialization 19

first sanitisation 19

OPERATION 20

brEw unit cyclE with fixEd chambEr 20

dEcaff dispEnsing cyclE 21

milk dispEnsing cyclE 21

controlling and adjusting sEttings 21

rEgulating thE brEwing chambEr volumE 22

coffEE dosE rEgulation 23

boilEr tEmpEraturE 24

milk sEttings 24

PROGRAMMING 25

normal opEration modE 25

NAVIGATION 26

accEss to programming 26

navigation modE 26

FILLER MENU 27

statistics 27

individual pricE 28

managEmEnt of changE tubEs 28

tEst dispEnsing 28

TECHNICIAN MENU 29

failurEs 29

programming paramEtErs 30

statistics 37

tEst 39

miscEllanEous 40

MAINTENANCE 42

gEnEral forEword 42

main switch 42

brEw unit maintEnancE 43

clEaning at rEgular intErvals 44

clEaning mixErs and food circuits 44

clEaning thE shElf and instant product canistErs 46

BOARD FUNCTION 46

cpu actuation board 47

softwarE updatE 48

usEr intErfacE board 48

boilEr control board 49

Expansion board for paymEnt systEms 49

boilEr hEat protEction 50

APPENDIX 51

Introduction

The technical documentation supplied is an integral

part of the equipment and it must therefore accom-

pany the equipment whenever it is either moved

or transferred to enable the various operators to

consult it.

Before starting to install and use the machine, it is nec-

essary to carefully read and understand the content of

the documentation since it can supply important informa-

tion on installation safety, utilisation rules and mainte-

nance operations.

The manual is divided into tree chapters.

The rst chapter is intended to describe the ordinary

lling and cleaning operations that shall be carried out

in areas of the machine that can be accessed with the

simple use of the door key, without using any other tool.

The second chapter contains the instructions for cor-

rect installation as well as the information necessary for

optimal utilisation of the machine performance.

The third chapter is intended to describe the mainte-

nance operations involving the use of tools for access to

potentially dangerous areas.

The operations described in the second and third

chapter must be carried out only by the person-

nel who have a specic knowledge of the machine

operation from the point of view of electric safety

and health rules.

IDENTIFICATION OF THE MACHINE AND

ITS FEATURES

Every single machine is identied by a specic serial

number that can be found on the rating plate arranged

inside on the right side.

The plate is the only one recognised by the manufacturer

and it contains all the data that enable the manufacturer

to supply technical information of any kind in a quick and

safe manner and to facilitate the management of spare

parts.

Fig. 1

1- Product code

2- Type

3- Model

4- Operating voltage

5- Absorbed power

6- Boiler data

7- Serial number

8- Operating voltage frequency

9- Current

10- Water system features

TIPO/TYPECODICE/CODE

MODELLO/MODEL

MATRICOLA/SERIAL NR

CALDAIA/BOILER SOLUBILI/SOLUBLE

PRESSIONE/PRESSURE

Mpa

CAPACITAí/CAPACITY

dm

3

PRESSIONE ACQUA RETE/MAINS WATER PRESSURE

TENSIONE/VOLTAGE FREQUENZA/FREQUENCY

POTENZA/POWER CORRENTE/CURRENT

WPOTENZA/POWER

CAFFE/CAFE

VAPORE/VAPOUR

N&W GLOBAL VENDING S.P.A. - Valbrembo Bg ITALY

XX

A

I

V

1

2

3

4

5

6

7

8

9

10

IN CASE OF FAILURE

In most cases, any technical problem can be solved by

carrying out minor operations. As a consequence, we

suggest carefully reading this manual before contacting

the manufacturer.

In case of failures or malfunctions that can not be solved,

please apply to:

N&W GLOBAL VENDING S. p. A.

Via Roma 24

24030 Valbrembo

Italy - Tel. +39 035606111

TRANSPORT AND STORAGE

To avoid damaging the machine, loading and unloading

operations shall be performed with great care.

It is possible to lift the machine by means of a motor-driv-

en or manual lift truck by positioning the forks beneath

the machine.

Please avoid:

- overturning the machine;

- dragging the machine by means of ropes or alike;

- lifting the machine by its sides;

- lifting the machine by means of slings or ropes

- shaking or impacting the machine and its package.

For storage it is necessary to keep the room dry at a

temperature between 0 and 40 °C.

With the original package never stack more than 2

machines and never forget to keep the vertical position

specied by the arrows on the package.

POSITIONING THE VENDING MACHINE

The machine is not suitable for installation outdoors.

It must be installed in a dry room and far from any

source of heat at a temperature ranging from 5°C to

34°C. It can not be installed in a room where water jets

are used for cleaning (e.g. large kitchens, etc.).

The machine must be installed near a wall, but in such a

way that the back is min. 4 cm. far from the wall in order

to provide for regular ventilation; in no case, it shall be

covered with any piece of cloth or alike.

The maximum inclination shall not exceed 2 degrees. If

necessary, level it by using the adjustable feet.

Positioning on a cabinet

The machine can be arranged on a table or any other

proper support (recommended height 800 mm.).

It is advisable to use - where possible - the cabinet

intended to accommodate the waste tray, the water self-

supply kit and, if water is very hard, the decalcier.

TECHNICAL FEATURES

Height mm. 546

Width mm. 331

Depth mm. 528

Overall dim. with open door mm. 724

Cabinet height mm. 830

Weight Kg. 28

Power supply voltage* V∿ 230/240

Power supply frequency* Hz 50/60

Maximum power* W 2030

Maximum power

(with cappuccinatore)* W 3250

* Refer to the rating plate.

410

660

830

521

528

331

724

546

Fig. 2

NOISE LEVEL

The weighted continuous equivalent sound pressure

level is less than 70 dB.

PAYMENT SYSTEM

The machine can use special kits to mount payment

systems with an Executive, MDB or BDV protocol.

The payment systems shall be arranged inside the side

module (optional).

SALES PRICES

The machine can manage up to 4 dierent prices for

each selection.

Prices can be active according to the (standard or pro-

motional) time band you have set up.

Prices are grouped in 4 lists. For each one of the 4 lists,

you can set up the price globally (the price is the same

for all selections) and for every single selection.

WATER SUPPLY

- Mains: with a pressure between 0.05 and 0.85 MPa

(0.5 and 8.5 bar)

or

- Tank: placed inside the machine; tanks having another

capacity are accommodated in an external module or in

the support cabinet.

POSSIBLE ADJUSTMENTS

- Coffee beans granulometry

- Coffee beans dose

- Volumetric water doses;

- Time-based instant product doses

- Time-based milk dose (with cappuccinatore only)

- Boiler temperature adjustable from the menu

CONTROLS

- water presence

- coffee presence

- boiler operation temperature reached

- solid waste tray presence

- liquid waste tray presence

SAFETY DEVICES

- main switch

- door switch

- upper panel switch

- solid waste tray presence

- liquid waste tray presence

- boiler safety thermostats manually resettable

- air-break float jam (only if supplied by the mains)

- overflow solenoid valve (only if supplied by the mains)

- time-based protection for:

pump

coee unit ratio-motor

grinder

- heat protection of:

ingredient motors

coee unit ratio-motor

electromagnets

pump

milk pump (with cappuccinatore only)

whipper motors

grinder motor

- protection with fuse

board supply transformer

CANISTER CAPACITY

Canister capacities are expressed in grams and they

may deviate from indications, depending upon the spe-

cic weight of products

- 1.80 lt. canister

coffee beans 760 gr

- 0.85 lt. canister

Coffee beans 350 gr

- Instant canister

Chocolate 650 gr

ELECTRIC ENERGY CONSUMPTION

The electric energy consumption of the machine will

depend upon many factors such as the temperature and

ventilation of the room where the machine is installed,

the inlet water temperature, the boiler temperature, etc.

The calculated energy consumption shall be understood

as merely indicative.

Temperature reached Wh 28

For 24h stand-by Wh 833

MODEL WITH CAPPUCCINATORE

Temperature reached Wh 87.8

For 24h stand-by Wh 1790

The energy consumption calculated on the average va-

lues above shall be understood as merely indicative.

ACCESSORIES

A wide range of accessories can be mounted on the

machine to vary its performances:

The assembly kits are supplied with mounting and test-

ing instructions that shall be strictly followed to preserve

the machine safety.

The installer is the sole person responsible for any dam-

age improper installation may cause to the machine or to

things and people.

Important !!!

The use of kits not type-approved by the manufacturer

can not guarantee the observance of safety standards,

in particular for live parts.

The manufacturer declines all responsibility for the use

of non type-approved components.

Assembly and any subsequent testing operation

must be carried out by qualied personnel who

have a specic knowledge of the machine opera-

tion from the point of view of electric safety and

health rules.

Chapter 1

Cleaning and lling

MAIN SWITCH

A main switch outside the machine is intended to power

o the machine.

Attention !!!

The line cable terminal board, the fuses and the

interference suppressor remain anyway live.

DOOR SWITCH

When the door is open, you are not allowed to ac-

cess any live part.

Ordinary lling and cleaning operations can be carried

out in fully safe conditions.

UPPER PANEL SWITCH

When the upper panel is open, you are not allowed

to access any live part.

Ordinary lling and cleaning operations can be carried

out in fully safe conditions.

All the operations requiring the machine to be

directly connected to a source of electricity must

be only carried out by the personnel qualied and

informed on the specic risks involved.

2

3

4

5

6

7

8

9

10

11

13

14

15

16

17

18

1

12

Fig. 3

1- Liquid waste tray

2- Tiltable cup support

3- Milker nozzle (models with cappuccinatore)

4- Milk tube (models with cappuccinatore)

5- Nozzle support

6- Brew unit

7- Door switch

8- Milk froth cock (models with cappuccinatore)

9- Coffee funnel

10- Grinding regulation knob

11- Decaff coffee chute (on some models only)

12- Upper panel

13- Coffee beans canister

14- Coffee canister shutter

15- Instant powder canister

16- Mixer

17- Nozzle support release button

18- External main switch

MODEL WITH VOLUMETRIC DOSER

7

6

4

3

2

1

8

5

11

9

10

12 13

14

Fig. 4

1- Liquid waste tray

2- Tiltable cup support

3- Nozzle support

4- Brew unit

5- Door switch

6- Doser

7- Upper panel switch

8- Coffee beans canister

9- Upper panel

10- Coffee canister shutter

11- Instant powder canister

12- Mixer

13- Nozzle support release button

14- External main switch

HYGIENE AND CLEANING

This manual shows the potential critical points and

gives the instructions necessary to control any bac-

terial proliferation.

On the basis of the health and safety rules in force,

the operator of the vending machine shall apply the

self-control procedures established according to

the provisions of the HACCP (Hazard Analysis Criti-

cal Control Point) directive and the national laws.

At the time of the installation, it is necessary to

completely sanitise the water circuits and the parts

in contact with foodstus in order to remove any

bacterium that may have built up during storage.

It is recommended to use sanitising products to clean

the surfaces, even if not directly in contact with food-

stus.

Some parts of the machine can be damaged by corro-

sive detergents.

The manufacturer disclaims all responsibility for any

damage caused by the non-observance of the above or

the use of aggressive or toxic chemical agents.

Never forget to power o the machine before car-

rying out any maintenance operation requiring the

disassembly of components.

USING THE DISPENSERS OF HOT DRINKS

IN OPEN CANISTERS

(e.g. plastic cups, pottery cups, jugs)

The dispensers of drinks in open canisters may be only

used for selling and dispensing drinks obtained by:

- brewing coffee

- reconstituting instant or freeze-dry packed products.

These products shall be declared as “suitable for auto-

matic dispensing” in open canisters by the manufacturer.

- delivering pasteurised milk or preserved UHT milk, re-

frigerated and aspirated from an external tank. (models

with cappuccinatore only)

Products must be preserved in strict observance of

the manufacturer’s instructions for storage, preser-

vation temperature and pull date.

Dispensed drinks shall be consumed immediately.

Under no circumstance shall they be preserved

and/or packed for later consumption

Any other use shall be considered as improper and thus

potentially dangerous.

CONTROLS AND INFORMATION

The labels including the selections and instructions are

supplied with the machine and they shall be inserted at

the time of the installation. Refer to the selection dose

table.

The controls and information for the user are arranged

outside the door.

The “Programming” button, to access the machine func-

tions, and “mixer wash” button are located inside the

machine on the right side of the button board.

1

2

3

4

5

6

7

8

Fig. 5

1- Lock

2- Display

3- Selection label

4- Selection buttons

5- Dispensing nozzles

6- Cup support

7- Signal float

8- Liquid waste tray

LOADING PRODUCTS

Before loading products make sure that they have

been preserved according to the producer’s in-

structions for storage, preservation temperature

and pull date.

Load the products by observing the information supplied

here below.

Products may even be loaded if canisters are partially

full.

COFFEE BEANS

Lift the cover and ll in the coee canister; make sure

that the canister shutter is completely open.

It is advisable to use good quality coee to avoid

any machine malfunction due to the presence of

impurities.

INSTANT PRODUCTS

Lift the cover and ll in the instant powder canister with

the product to be dispensed.

Never compress powder to avoid packing.

Make sure that the instant products you have

loaded are not lumpy.

MILK

Models with cappuccinatore only.

Milk is drawn from the milk canister by means of a tube.

Use pasteurised or UHT (Ultra High Temperature)

milk only.

To preserve milk, strictly follow the manufacturer’s

instructions for preservation temperature and the

product pull date.

To avoid any ow problem, place the milk canister on the

same machine surface.

The suction tube must rest at the bottom of the milk can-

ister and have no loop.

Milk must be managed in observance of food hy-

giene and safety needs.

Milk

NO

OK

NO

OK

Fig. 6

CLEANING WASTE TRAYS

LIQUID WASTE

When the signal oat surfaces from the grill, empty the

liquid waste tray promptly.

It is advisable not to wait for the oat signal, but to empty

the tray at regular intervals.

To remove the tray:

- Took the tray by its sides, lift it slightly and pull.

- Empty the tray and wash it with a neutral detergent

solution

SOLID WASTE

The coee beans canister capacity is greater than the

solid waste tray capacity (if the support cabinet is not

used).

The equipment signals that the maximum number of

coee-based dispensing cycles has been reached. The

following message will appear: “Empty the tray”.

The machine will lock after some dispensing cycles.

If no solid waste tray is available, the machine is still

ready to dispense instant drinks: the message “insert the

tray” is displayed

1

2

3

Fig. 7

1- Solid waste tray

2- Signal float

3- Liquid waste tray

CLEANING MIXERS AND FOOD CIRCUITS

The mixers and the conduits for dispensing instant

drinks shall be carefully sanitised at the time of the

installation of the machine and at least once a week or

more frequently, according to the use of the machine,

the inlet water quality and the products in use, in order to

provide for hygiene on dispensing products.

It is absolutely forbidden to use water jets for

cleaning.

For the models with cappuccinatore - besides fol-

lowing the instructions supplied by this paragraph

- never forget to wash the cappuccinatore automati-

cally every day.

The parts to be cleaned are:

- powder deposit drawer, powder funnel, mixers and

instant drink dispensing conduit;

- dispensing nozzles;

- milker nozzle (models with cappuccinatore only)

- nozzle support;

3

4

5

6

7

8

1

2

Fig. 8

1- Milker nozzle (models with cappuccinatore only)

2- Nozzle support release button

3- Water funnel fastening ring nut

4- Mixer impeller

5- Water funnel

6- Powder deposit drawer

7- Instant powder funnel

8- Powder conveyor

To clean the mixers, act as follows:

- rotate the product conveyor upwards

- rotate the water funnel fastening ring nut counter-

clockwise and remove the powder funnels, the powder

deposit drawers and the water funnels

- unscrew the mixer impeller; to unscrew, use a finger to

hold the toothed disk mounted on the whipper motor

shaft firm

Fig. 9

Sanitise by making use of sanitising products.

- dip the components into a container with the sanitising

solution you have prepared before for about 20’ and

make sure that you have mechanically removed visible

residues and films by using, if necessary, pipe cleaners

and brushes;

- rinse and carefully dry all parts

- reassemble the mixer impeller;

- re-position the water funnel and rotate the fastening

ring nut clockwise

- reassemble the powder deposit drawers and the pow-

der funnels

- rotate the powder conveyor downwards.

After having assembled the parts, act as follows,

any way:

- Wash the mixers and add some drops of the sanitising

solution into the various funnels.

- After having sanitised, rinse the parts abundantly to

remove any residue of the solution in use.

All the operations requiring the machine to be

directly connected to a source of electricity must

be ONLY carried out by the personnel qualied and

informed on the specic risks involved.

CLEANING THE MILKER NOZZLE

Models with cappuccinatore only.

The milker nozzle consists of separable parts for easy

disassembling and cleaning.

To clean, act as follows:

- remove the milker nozzle from the nozzle support

- separate all parts and wash them by using detergents;

make sure that you have mechanically removed visible

residues and films by using, if necessary, pipe cleaners

and brushes

A B

Fig. 10

A- Disassembly

1- B- Assembly

CLEANING THE BREW UNIT

Whenever you ll or at least once a week, it is recom-

mended to remove any powder residue from the external

parts of the brew unit, in particular in the funnel area, the

lters and the scrapers.

CLEANING THE MILK TANK

Models with cappuccinatore only.

Every day or at the end of the service empty the milk

tank and remove all residues; sanitise it and make sure

that you have mechanically removed visible residues

and lms by using, if necessary, pipe cleaners or brush-

es.

CLEANING AND FILLING THE WATER

SUPPLY TANK

Clean the tank at least once a week

for the machines using the

water tank

- Discharge the residual water from the tank

- Sanitise the tank; make sure that any visible residue

and lm has been removed by using pipe cleaners or

and brushes.

- Fill in the tank with drinkable water up to the maximum

level (specied on the tank)

SERVICE INTERRUPTION

If the machine should remain o for any reason for a long

period of time, act as follows:

- empty the canisters completely and wash them care-

fully by means of sanitising products.

- empty the grinders completely and dispense till an

empty message is displayed.

- wash the milk circuit (the models with cappuccinatore

only), the brew unit and the mixers as guided.

- close the cock upstream from the water supply tube

and empty the water circuit completely

- detach the machine from the mains.

SERVICE FUNCTIONS

If enabled in the programming menu, some operations

can be directly carried out when the door is closed by

entering the relative password.

Press key 7 and hold it down for over two seconds.

Enter the relative password to:

- dispense several selections consecutively to fill in a jug

(jug facilities);

- dispense a selection freely (for models with payment

system only)

- lock-unlock the keyboard.

If the keyboard lock is active, the “INTERRUPTED

SERVICE” message is displayed.

- mixer wash.

The mixer shall be washed every day and whenever

products are loaded to prevent the product from acci-

dentally falling (during the load cycle) and from clog-

ging the mixer.

- cappuccinatore wash (models with cappuccinatore

only)

the cappuccinatore shall be washed whenever the milk

dispensing cycle is interrupted (for a period of time)

and/or at least every day.

0

1

2

3

4

5

6

7

Fig. 11

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N&W Global Vending Koro Prime Espresso Installation, Operation & Maintenance Manual

N&W Global Vending Koro Prime Espresso Installation, Operation & Maintenance Manual

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