de Jong Duke essense User Manual
Preface
Please read this user manual before
using the Essence coffee machine and
keep it for reference. This user manual is
valid for the machine supplied by the
manufacturer, including the options
installed by the manufacturer.
The manufacturer accepts no liability
for any damage resulting from incorrect
or improper use of the machine, or
resulting from modifications that have
not been authorised by the manufacturer. This user manual gives
instructions on the operation and
maintenance of the machine. Moreover,
it gives solutions to irregular behaviour
that may occur.
This user manual cannot be regarded
as a substitute to the training and
instruction, but must be seen as an
addition to the training, and as such
only used for reference purposes.
Activities for which proper training is
required are marked and should only be
carried out by trained staff. Instructions
for installation and reparation are
available in a technical manual. When
the machine needs maintenance only
original parts of the manufacturer
should be used. Only properly trained
personnel may carry out repairs, install
the machines or transport the
machines.
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published: www.dejongduke.nl © 2004 / design and photography: www.npk.nl
user manual
Essence
Contents
1 Safety
1.1 Safety risks 2
1.2 Safety and warnings 2
1.3 Norms and standards 2
2 Description of the machine
2.1 General 3
2.2 The machine exterior and interior (see fold out) 3
2.3 Display and keys 3
2.4 Type plate 3
2.5 Technical specifications 3
3 Installation
3.1 Installing the machine 5
3.2 Placing the machine 5
3.3 Switch off the machine 5
4 Using the Essence
4.1 Preparing a drink 5
4.2 Reading out the counters 5
5 Maintenance and cleaning
5.1 Daily maintenance 6
5.2 Weekly maintenance 8
5.3 Monthly maintenance 10
6 Filling
6.1 Filling the water tank 11
6.2 Filling the coffee canister 12
6.3 Filling the topping canister 13
7 Messages on the display
7.1 Error messages requiring a service engineer 14
7.2 Messages you can solve yourself 15
1. Safety
1.1 Safety risks
• Be careful! This machine serves
hot drinks.
• The outlet of the machine may tap
drops of hot liquid in between
ordering drinks.
1.2 Safety and warnings
• Put the brewer outlet down during
daily maintenance (see 5.1, step 4)
• Do not use aggressive cleaning
products or abrasives to clean (parts
of) the machine.
• Be careful! The water system (boiler,
pipes, etc.) may contain hot water.
• Do not shake the machine while in
use.
• Do not use water in or near the
machine unless the instructions
explicitly give direction to do so.
• Do not use a damaged machine. If in
doubt, contact your supplier first.
• Do not leave the key in the door when
leaving the machine unattended.
• If a fault occurs, disconnect the
machine from the electricity supply
and from the water supply.
• Do not lean on the door when open.
• Do not use an extension cable.
• Connection on the water supply must
be according to national regulations.
• The machine may only be in locations
where it can be overseen by trained
personnel.
1.3 Norms and standards
The machine is built according to CE
norms and complies with the following
standards:
• Machine standard: 89/392/EEG.
• EMC standard: 89/336/EEG.
The machine complies with the
following norms:
• EN 292: Safety of machines.
• UL and Cul 751: norm vending
machines.
(10)
On/off
Power cord
Water connection
2
2 Description of the machine
2.1 General
This is a semi-automatic hot drink
machine, with (optional) vending
accessories. Always place a cup before
pressing a drink selection key. You can
adjust for weaker or stronger taste with
the up/down scroll keys (3). Your
supplier can make further adjustments
to the strength and sizes of the drinks.
2.2 The machine exterior and interior
See fold out.
2.3 Display and keys
2.3.1 Drink selection keys
There are five drink selection keys (4).
The left part of the water key gives one
cup of hot water, the smaller right part
on the water key gives hot water
continuously. Optionally this key will
give steam.
Two cups of espresso or
double espresso
Large coffee
Hot water or steam
while key pressed
2.3.2 Display and service keys
The display (2) shows the selected drink,
strength settings, messages and counter
read outs. The up/down scroll keys (3)
allow to adjust the strength. The ‘<’
escape and ‘>’ enter keys allow to cancel
or confirm messages on the display.
2.3.3 Service keyboard
This service keyboard (A) is used for
cleaning (see 5) and for reading the
counters (see 4.2). The service engineer
uses it to change the settings of the
machine.
Key * = Program key
Key 4 = Rinse mixer
Key 5 = Run grinder/coffee I
Key 6 = Run grinder/coffee II
Key 7 = Rinse brewer
Key 8 = Run brewer
Other keys are used by the service
engineer.
(A)
3
1
4
7
2
5
8
3
Program
Abo rt Recei ve Send
*
0 #
6
9
Coffe e I Coffe e II
2.4 Type plate
The type plate (C) shows:
• Manufacturer
• Serial number
• Type/model specification
• Date of construction
• Water connection
2.5 Technical specifications
Dimensions of the machine:
Width 550 mm/21.7 inch
Height 605 mm/23.8 inch
Depth 500 mm/19.7 inch
Weight (empty) 30 kg/66.2 lbs
Electrical connection
240 Volt AC +/- 10%, 50 Hz +/- 2%
max. capacity 3,0 kW
110 Volt AC +/- 10%, 50 Hz +/- 2%
max. capacity 1.4 kW
Water pressure 0,5 - 6 bar (50 kpa 600 kpa).
Without water connection: use the
hand filled water tank.
Hourly performance: approx. 120 cups
depending on product and volume.
Noise level:
• Standby 0 dB
• Regular coffee 58 dB
• Espresso using whole beans 68 dB
3 Installation
3.1 Installing the machine
Installation, transportation and
adjustment of the machine should only
be carried out by properly trained
service personnel. Their instructions
about transportation, unpacking and
installation of the machine, are
available in the technical manual.
3.2 Placing the machine
Place the machine on a level surface in
a hygienic dry room, with a temperature
between 5°C and 40°C (40F - 100F).
3.3 Switch off the machine
If the machine will not be used for
some time, for example over the
weekend, it is recommended to switch
off the water supply and the electricity.
The main (on/off) switch (10) is located
on the back of the machine.
4
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