Hobart G403, F503, G503 Operation Instructions

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WAREWASHING
Dishwashers/Glasswashers
G403
G503
F503
DSN: FXB-12-02 / GCB-13-02 From SN: 86 66 92001 / 86 61 91001
Installation and Operation Instructions
8. Jun. 2015
EN
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EN
ECOMAX PLUS Installation and Operation Instructions
Publisher
HOBART GmbH Robert-Bosch-Str. 17 77656 Offenburg Tel. +49(0)781 600 0 Fax +49(0)781 600 23 19 E-mail: info@hobart.de Internet: www.hobart.de
Product disclaimer
Installations and repairs carried out by non-authorized technicians or using non-genuine spare parts, and any tech­nical alterations to the machine not approved by the manufacturer will invalidate the manufacturer’s warranty and product liability.
HOBART reserves the right to make changes or improvements to its products without prior notice.
© HOBART GmbH, Offenburg 2015
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Installation and Operation Instructions ECOMAX PLUS
Table of Contents
Table of Contents
1 Notes on the documentation .............................................................. 5
1.1 Application ..................................................................................... 5
1.2 Layout of the documentation ..................................................................... 5
1.3 Representation convention ....................................................................... 5
2 Safety instructions and regulations ...................................................... 7
2.1 Safety instructions and warning notices ........................................................... 7
2.2 Basic safety instructions ......................................................................... 7
2.3 Property damage ............................................................................... 10
3 Product description ....................................................................... 11
3.1 Intended purpose .............................................................................. 11
3.2 Conformity..................................................................................... 11
3.3 Designation .................................................................................... 11
3.4 Technicalspecications ......................................................................... 11
EN
4 Controls .................................................................................... 12
5 Installation ................................................................................. 13
5.1 Personnelqualication .......................................................................... 13
5.2 Special safety instructions ...................................................................... 13
5.3 Transporting to the installation location ........................................................... 14
5.4 Removing the packaging ........................................................................ 14
5.5 Installing the machine .......................................................................... 14
5.6 Connecting to the power supply ................................................................. 15
5.7 Connecting the water ........................................................................... 15
5.8 Connecting the drain ........................................................................... 16
6 Commissioning ............................................................................ 17
6.1 Personnelqualication .......................................................................... 17
6.2 Setting the water hardness (optional) ............................................................ 17
6.3 Filling the salt reservoir (optional) ................................................................ 17
6.4 Filling chemical hoses .......................................................................... 18
7 Operation ................................................................................... 20
7.1 Personnelqualication .......................................................................... 20
7.2 Special safety instructions ...................................................................... 20
7.3 Notes for optimum washing result ................................................................ 20
7.4 Preparations for washing ....................................................................... 21
7.5 Washing ....................................................................................... 22
7.6 Switch off machine ............................................................................. 22
7.7 Executing daily cleaning ........................................................................ 23
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ECOMAX PLUS Installation and Operation Instructions
Table of Contents
7.8 Executing weekly cleaning ...................................................................... 23
7.9 Top up salt reservoir ............................................................................ 23
8 Settings ..................................................................................... 24
8.1 Opening the operator menu ..................................................................... 24
8.2 Exiting the operator menu ....................................................................... 24
8.3 Making the chemical settings .................................................................... 24
8.4 Setting the water hardness (optional) ............................................................ 25
9 Problems and malfunctions .............................................................. 26
9.1 Remedying the problem ........................................................................ 26
9.2 Malfunctions ................................................................................... 27
10 Maintenance ............................................................................... 28
11 Disposal .................................................................................... 29
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Notes on the documentation

1 Notes on the documentation

1.1 Application

This document contains the most important information for the installationandcommissioningofthemachinebyqualiedperson­nel, as well as the information required for day-to-day operation by the operator.
► Keep the operating instructions and all referenced documents in
a safe and accessible place.
► If you sell the machine, pass on the installation and operating
instructions.

1.2 Layout of the documentation

EN
Referenced documents are all instructions that describe the instal­lation, operation, maintenance and repair of the device, as well as additional instructions for all accessories used.
For the operator:
– Operating instructions
For the specialised tradesman:
– Installation instructions
– Circuit diagram
– Spare Parts Catalogue

1.3 Representation convention

1.3.1 Symbols used
Symbol Meaning
Warning of hazardous electrical voltage
Beware of explosion
Warning of risk of crushing
Beware of hazardous substances
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ECOMAX PLUS Installation and Operation Instructions
Notes on the documentation
Symbol Meaning
Beware of hand injuries
Beware of slipping
Beware of hazard area
Useful additional information and tips
1.3.2 Representation in the text
Representa­tion
NOTE Important information on machine operation, not
Step
Listing 1st level
Listing 2nd level
Meaning
a warning notice
Outcome/result
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Installation and Operation Instructions ECOMAX PLUS
DANGER
!
Safety instructions and regulations

2 Safety instructions and regulations

2.1 Safety instructions and warning notices

► During machine operation, observe the general safety instruc-
tions and warning notices that precede each action.
2.1.1 Hazard levels
The hazard level is part of the safety instructions and is denoted by the signal word. Potential consequences are differentiated by the choice of signal word.
imminent danger:
results in serious physical injury or death
EN
WARNING
CAUTION
NOTICE
potentially hazardous situation: can cause serious physical injury or death
potentially hazardous situation: can cause minor physical injury
potentially harmful situation:
can cause damage to the product or other objects
2.1.2 Layout of warning notices
Warning notices are depicted with warning symbols and signal word in the corresponding safety colours.
CAUTION
Nature and source of the hazard
Explanation on the nature and source of the hazard
► Measures for averting the hazard
► additional measures for averting the hazard, where applicable

2.2 Basic safety instructions

2.2.1 Product safety
The machine conforms to state-of-the-art technology and the rec­ognised safety regulations. Nonetheless, hazards may occur.
Operate the machine only if it is in perfect working order, and in
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ECOMAX PLUS Installation and Operation Instructions
Safety instructions and regulations
compliance with the operating instructions.
Allmodicationsandalterationstotheproductarereservedfor personsauthorisedbyHOBART.Congurationispassword-pro-
tected.
2.2.2 Personnel qualication
► Observe the regulations on occupational health and safety.
► Carefully read through the operating instructions before use.
Activity User group Qualication/training
Installation Qualiedpersonnel Authorisedelectricians(qualiedelectriciansorpersonswho
have undergone equivalent training)
Trainees only under appropriate supervision and inspection
Commissioning Qualiedpersonnel Authorisedelectricians(qualiedelectriciansorpersonswho
have undergone equivalent training)
Trainees only under appropriate supervision and inspection
Working on the elec­trical system
Operation Laymen Training by the operator using the operating instructions,
Maintenance, repair Qualiedpersonnel Hobart Service or Hobart trained service technicians
Qualiedpersonnel Qualiedelectrician
hazardbrieng
Disabled persons Training by the operator using the operating instructions,
hazardbrieng
Children from 14 years old
Children up to 13 years old
Trainees only under appropriate supervision and inspection
Training by the operator using the operating instructions, haz-
ardbrieng,onlyundersupervision
not permitted
2.2.3 Product-specic hazards
Avoid body parts being crushed or knocked:
► Observe the instructions on the packaging for storage, lifting or
transporting.
Avoid risk of explosion:
► Do not install machine in a potentially-explosive location.
Avoid electric shock:
► Donotallowwatertoowunderlivecomponents.
– Make sure the machine is correctly stored (see frost damage
section 2.3).
Makesurethatthemachinedoesnotoverowwhenbeing
lled.
► Do not damage the connection cable while unpacking.
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Installation and Operation Instructions ECOMAX PLUS
Safety instructions and regulations
► Havethemachineconnectedtothepowersupplybyqualied
personnel.
► Haveadditionalfeedtanksmountedbyqualiedpersonnel.
Avoid re risk:
► Donotallowwatertoowunderlivecomponents.
– Make sure the machine is correctly stored (see frost damage
section 2.3).
Makesurethatthemachinedoesnotoverowwhenbeing
lled.
► Havethemachineconnectedtothepowersupplybyqualied
personnel.
► Haveallmodicationstothemachinecarriedoutbyqualied
personnel.
Avoid chemical burns, sensitisation of the skin, poisoning:
► Wear protective equipment (gloves, safety goggles, protective
clothing) when handling chemicals.
EN
► Use only suitable chemicals. Observe the manufacturer’s data.
► Have chemical sensor system set by authorised trained service
technicians.
► Do not open the machine during operation, wait for the program
tonish.
► Disconnect the machine from the mains prior to cleaning.
► For cleaning, wear protective equipment (gloves, safety gog-
gles, protective clothing) when touching parts contaminated by detergent.
Avoid burns, scalds (to the hands):
Do not open the machine during operation or the evaporation
phase,waitfortheprogramtonish.
► Disconnect the machine from the mains prior to cleaning.
► For cleaning, wear protective equipment (gloves, safety gog-
gles, protective clothing) when touching parts contaminated by washing solution.
Avoid slipping:
9 Moisturecanbuilduponthemachineoor.
► Provideaoorcoveringthatisguaranteedtobenon-slipin
case of moisture.
Residues on the washware, hygiene regulations not main­tained.
► Hygiene regulations must be maintained and/or demonstrated
in accordance with the national provisions.
2.2.4 Additional hazards
Potential hazards caused by operating resources to be used can be found in the enclosed safety datasheets. Workplaces must be
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ECOMAX PLUS Installation and Operation Instructions
Safety instructions and regulations
signed accordingly.

2.3 Property damage

Avoid frost damage:
9 Temperatures below 0°C during transport/storage cause func-
tion impairments.
► Prior to installation, store the machine at room temperature
(min. 15°C) for 24h.
Avoid water damage:
► Congurationispassword-protectedandpermittedonlybycerti-
edservicetechnicians.Observedocumentation.
► Do not operate the machine unsupervised.
► Close site shut-off valves at end of operation.
Avoid environmental hazards:
► Dispose of the machine correctly and in accordance with envi-
ronmental regulations (see section 11)
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Installation and Operation Instructions ECOMAX PLUS
Product description

3 Product description

3.1 Intended purpose

The machine is an item of technical equipment intended solely for commercial dishwashing.
The machine is designed solely for cleaning crockery (porcelain, glass, ceramic, temperature-resistant plastics or stainless steel or similar) from the food industry.
Not for washing:
– Containers that do not come into contact with foodstuffs, such
as ashtrays, candlesticks, electric appliances etc.
– Animals or textiles
– Foodstuffs intended for further consumption
EN

3.2 Conformity

See separate EC Conformity Declaration.

3.3 Designation

The rating plate is located at the front of the machine and contains the following information: model, serial number, date of manufac­ture, country of manufacture, voltage, connection rating, design­state number and CE mark.
3.4 Technical specications
Dimensionen (H x B x T) 820 x 600 x 600 mm (G403: 700 x 460 x 590)
Water consumption per rinse cycle 2,8 l (G403: 2,5 l)
Lineowpressure 0.5 – 10 bar
min. 0.8 bar with integrated softener
Cold or hot water connection max. 60°C
Voltage see rating plate
Total connected load
Fuse protection
Tank capacity 10,6 l (G403: 8 l)
Rack height 425 mm (G403: 315 mm)
Noise emission (workplace-related emission value)
Weight 60 kg (G403: 50 kg)
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62 dB (A) for undercounter machine (G403: 58 dB (A))
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ECOMAX PLUS Installation and Operation Instructions
Controls

4 Controls

354
85 80 75 70 65 60
ON/Escape key Pressing this key switches the machine on.
22
70 65 60 55 50 45
8
76
LED illuminates after being pressed.
LEDashing=machinebeinglledandheated.
LEDpermanentlylit=machineisreadyforoperation.
In case of operating error or faults, the machine can be switched off immedi­ately without the drain cycle by pressing this key.
After switch off, however, the machine is not voltage free.
Program keys Press these keys to choose between short program (1) and standard pro-
gram (2).
The corresponding LED illuminates.
Drain/OFF key Pressing and holding (3 seconds) this key activates the automatic self-
cleaning cycle and then switches off the machine automatically. On ma­chines with drain pump, the tank is emptied.
1
After switch off, however, the machine is not voltage free.
Temperature display, washing
Temperature display, rinsing
Saltdeciencydisplay Indicatesregeneratingsaltdeciencyinthewatersoftener(ifbuilt-in).
Regeneration display Water softener regeneration active.
Program run time can extend.
Setting functions display The individual LEDs are also used for various settings and special functions.
10
9 8 7 6 5 4 3 2 1
20 19 18 17 16 15 14 13 12 11
Left display: LEDs 1 to 5 illuminate depending on the function selected.
1=Detergentdosingtime 2=Rinseaiddosingtime 3=Hardnesssetting 4=Hosell,detergent 5=Hosell,rinseaid
Right display: Indicates the set value.
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Installation and Operation Instructions ECOMAX PLUS
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!
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Installation

5 Installation

5.1 Personnel qualication
Installationmustonlybecarriedoutbyqualiedpersonnel(see
section 2.2.2).

5.2 Special safety instructions

WARNING
Risk of electric shock, re hazard
Water(frostdamage,machineoverow)owingoverlivecompo­nentscancauseinjuryfromelectricshockorre.
► Donotallowwatertoowunderlivecomponents.
► Make sure the machine is correctly stored (see frost damage
section 2.3).
► Makesurethatthemachinedoesnotoverowwhenbeing
lled.
EN
CAUTION
Risk of being crushed or knocked
When being lifted or transported, the machine can overturn or fall and cause injury.
► Observe the instructions on the packaging for storage, lifting or
transporting.
WARNING
Risk of explosion
Installing the machine in a potentially explosive location can cause explosion and serious injury from ejected parts.
► Do not install machine in a potentially-explosive location.
NOTICE
Frost damage
Temperatures below 0°C during transport/storage cause function impairments.
► Prior to installation, store the machine at room temperature
(min. 15°C) for 24h.
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ECOMAX PLUS Installation and Operation Instructions
Installation

5.3 Transporting to the installation location

► Where possible transport packed on the pallet.
► Use suitable transport means (elevating truck, crane etc.).
► If using a forklift, shim the machine with wooden trusses.

5.4 Removing the packaging

CAUTION
Risk of electric shock, re hazard
When the machine is unpacked, the connection cable can become
damagedandcauseinjuryfromelectricshockorre.
► Do not damage the connection cable while unpacking the ma-
chine.
► Take cable measurement BGV A3.
► Remove packaging materials and accessories from the ma-
chine.
► Inspect the machine for possible transport damage.

5.5 Installing the machine

WARNING
Risk of electric shock, re hazard
Water ingress can cause short circuit and mortal danger from elec-
tricshockandre.
► Machine must be shimmed and be accessible only from the
front.
► If the machine cannot be shimmed, a rear cover must also be
ordered.
Wall clearance is not required.
► Align machine by turning the adjusting feet according to the
spirit level.
► Distribute machine weight equally onto all feet.
NOTICE
Property damage
Vapour may escape from the dishwasher door and damage the furniture.
► Adjacent furniture has to be protected to prevent swelling.
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Installation

5.6 Connecting to the power supply

WARNING
Risk of electric shock
Failure to connect properly to the power supply can cause mortal danger from electric shock.
► Have the machine connected to the power supply by an autho-
rized technician according to the local and national codes. For Australia: in accordance with AS/NZS3500.1
NOTE: To guarantee the electrical safety of the machine, it must be connected to a protective earthing equipment con-
ductor installed as specied. In addition, the machine must
be connected on site to the equipotential bonding connection. The connecting screw ( ) provided for this purpose is locat-
ed next to the cable inlet.
EN
A
These fundamental safety requirements and the professional
design of the on-site installation must be veried by a quali­ed electrician.
Hobart does not accept any liability for damage caused by improper installation! Any applicable local installation instruc­tions must be observed!
The mains cable must be connected via a cut-out device (main switch or accessible plug device).
Modicationtoanalternativepowersupplyispossibleasperthe
variants on the circuit diagram. Connection diagrams are located adjacent to the connection terminals.

5.7 Connecting the water

NOTE: The machine must be operated with potable water.
► Connect to warm water, if possible (max. 60°C).
Water hardness:
Machineswithoutsoftener:max.1°d=0.18mmol/l.
Machineswithsoftener:max.30°d=5.3mmol/l.
Lineowpressure:
– Machines without softener: 0.5 – 10 bar
– Machines with softener: 0.8 – 10 bar
Ifthelineowpressureisabove10bar:providepressurere-
ducing valve.
► Connect the union nut “A” (3/4”) of the water supply hose to the
site shut off valve.
► Do not kink or cut the water supply hose.
► Any required extension must be executed using a suitable pres-
sure hose, e.g. 324088-1.
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ECOMAX PLUS Installation and Operation Instructions
Installation

5.8 Connecting the drain

The connection between machine and site drain “B”must not ex­ceed the max. height of 0,75 m (G403: 0,6 m).
B
► Do not kink or lay the drain hose loose on the ground.
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Commissioning

6 Commissioning

6.1 Personnel qualication
Commissioningmustonlybecarriedoutbyqualiedpersonnel
(see section 2.2.2).

6.2 Setting the water hardness (optional)

Machines with integrated softener have a water hardness setting.
Note: The softener must be set to the existing water hardness (ask at the local water works).
► Set hardness range according to 8.4.
EN

6.3 Filling the salt reservoir (optional)

NOTICE
Property damage
Accidentallyllingthesaltreservoirwithdetergentwilldamagethe
water softener.
► Donotllthesaltreservoirwithdetergent.
Unlike the regular salt ll, additional water has to be
added during the commissioning procedure.
► Open the door.
► Unscrew the salt reservoir lid and add 1.5 kg of granular (2-8
mm) regenerating salt (do not use salt tablets).
► Fill up the reservoir with potable water (only at commissioning).
► Make sure the lid seal is free of dirt and salt.
► Screw lid back on and tighten.
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ECOMAX PLUS Installation and Operation Instructions
Commissioning
NOTICE
Property damage
Saltresiduesonthetankoorcausecorrosiondamage.
► Remove salt residues by hand.
► On completion of the commissioning procedure, start a wash
cycle to remove all traces of salt if necessary.

6.4 Filling chemical hoses

We recommend the use of HOBART Hyline detergent and rinse aid.
CAUTION
Chemical burns, sensitisation of the skin, poisoning
The use of unsuitable chemicals can cause injury.
► Use only commercial detergent and rinse aid.
► Observe the manufacturer’s application and safety instructions.
WARNING
Chemical burns, sensitisation of the skin, poisoning
Filling the chemical container or chemical hoses with detergent or
rinseaidforthersttimeincorrectlycancauseseriousinjury.
► Wear protective equipment (gloves, safety goggles, protective
clothing) when handling chemicals.
6.4.1 Provisioning external chemical canisters
Preparing the detergent:
9 Suction height of dosing pump: max. 1.5 m.
► Place suction hose without colour marking at the suction valve
at the bottom of the external reservoir.
Preparing the rinse aid:
9 Suction height of dosing pump: max. 1.5 m.
► Place suction hose with blue marking at the suction valve at the
bottom of the external reservoir.
6.4.2 Filling the intake hoses
NOTE: Possible only when the machine is switched off.
► Open door.
► Press the two PROGRAM keys at the same time.
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Installation and Operation Instructions ECOMAX PLUS
Commissioning
 Key LEDs illuminate.  In the display , LEDs 1 and 11-20 illuminate (depending on
basic setting).
► Press PROGRAM key “1” repeatedly until LED 3 illuminates in
the display .
► Close door.
► Press PROGRAM key “1” again.
 Display LED 4 illuminates.
Filling the cleaner hose:
Press PROGRAM key “2” and hold down until the intake hose is
visiblylled.
Thehoseisbeinglled.  Running light display LEDs15−18.
Releasingthekeyinterruptsthellingprocess.
Filling the rinse aid hose:
EN
► Press program key “1” again.
 Display LED 5 illuminates.
► Press PROGRAM key “2” and hold down until the intake hose is
visiblylled.
Thehoseisbeinglled.  Running light display LEDs15−18.
Releasingthekeyinterruptsthellingprocess.
Aborting the hose lling process:
► Open door or do not press any key for 30 seconds.
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ECOMAX PLUS Installation and Operation Instructions
Operation

7 Operation

7.1 Personnel qualication
The machine must be operated by instructed personnel (see sec­tion 2.2.2).

7.2 Special safety instructions

CAUTION
Chemical burns, sensitisation of the skin, poisoning
If the door is opened during operation, wash water can spurt out and cause injury.
► Do not open the door during operation, wait for the program to
nish.
WARNING
Slipping
Moisturecanbuilduponthemachineoorandcauseslipping.
► Provideaoorcoveringthatisguaranteedtobenon-slipin
case of moisture.

7.3 Notes for optimum washing result

Therinseresultissignicantlyaffectedbythewaterquality.Ifthe
mineral content is high, the minerals dissolved become visible on the glasses in the form of spots and streaks during the drying process.
Authorised HOBART service personnel can determine the content of minerals by measuring the electrical conductivity. Values of less than 80 µS/cm are non­critical for rinsing glasses and cutlery. If the values are higher, we recommend the use of a HOBART HY­DROLINE desalination cartridge or a reverse osmosis system.
If you have any questions, please contact your authorised HOBART service partner.
We recommend the use of special HOBART glass racks. HOBART racks hold the glasses in slightly
inclined positions – this improves the rinse efciency.
To avoid unpleasant smelling glasses, only chlorine-free detergent
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Installation and Operation Instructions ECOMAX PLUS
Operation
should be used for washing the glasses.
Beforewashingnewglassesthersttimewithacommercialglass
washer, intensive basic cleaning is mandatory to reduce the greasy
lmwhichisonmostglassesforprotectionduringproduction.We
recommend this basic clean is carried out by hand (wear gloves) with a higher detergent concentration (minimum 10 g/l) in a sink using a brush.

7.4 Preparations for washing

7.4.1 Preparing the machine
► Check correct position of wash/rinse arms and strainers.
► Open site shut-off valve.
EN
► Turn on main switch or insert the plug.
► Check level of detergent and rinse aid containers.
► Close door.
► Press the ON/OFF key .
 Machine is switched on.
Thetankislled.
Duringthellingandheatingprocesses,thekeyLEDashes.This
process can take several minutes.
As soon as the LED is permanently lit, the machine is ready for operation.
7.4.2 Preparing the washware
► Remove large food scraps.
► Place washware face down in the rack.
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ECOMAX PLUS Installation and Operation Instructions
Operation
► Rinse off washware.

7.5 Washing

► Slide rack into the machine and close the door.
► Start either program 1 or 2 via the respective key.
Key“1”=shortprogram
Key“2”=standardprogram
Whiletheprogramisrunning,theprogramkeyLEDashes.
 As soon as the LED is permanently lit, the rinsing process is
complete.
► Open the door and remove the rack.
► Allow the washware enough time to dry.

7.6 Switch off machine

► Close door.
► Press the DRAIN key for three seconds.
 During evacuation, the DRAIN key LED illuminates.
During the drain cycle, the machine interior is cleaned automatically. On machines with drain pump, the tank is emptied. At the end of the program, the machine switches off automatically. Then remove any food debris.
9 When the machine has been switched off:
► Turn off main switch or remove the plug.
► Close on-site shut-off valve.
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Installation and Operation Instructions ECOMAX PLUS
Operation

7.7 Executing daily cleaning

NOTICE
Property damage
The use of unsuitable agents can cause corrosion damage.
► Do not use any chloric, acidic or metal-containing additives to
clean the machine.
► Do not use metal brushes.
► Open the door.
► Remove sieves and clean. Make sure that food debris does
not enter pump intake!
► Clean machine interior.
► Replace sieves.
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► Leave the door open for ventilation.

7.8 Executing weekly cleaning

► Loosen screw or clip fastener on the wash and rinse arms. Re-
move the wash and rinse arms and clean..
► Reinsert wash and rinse arms.

7.9 Top up salt reservoir

9 Thesaltdeciencydisplayashesduringoperation.
► Top up salt reservoir, see 6.3.
 The display takes a few minutes to extinguish.
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ECOMAX PLUS Installation and Operation Instructions
Settings

8 Settings

The machine can be operated as soon as the commissioning pro­cedure is complete.
The following settings can be individually set as required using the operator menu.

8.1 Opening the operator menu

NOTE: Possible only when the machine is switched off.
► Open door.
► Press the two PROGRAM keys at the same time.
 Key LEDs illuminate.  In the display , LEDs 1 and 11-20 illuminate (depending on
basic setting).

8.2 Exiting the operator menu

► Open the door and close it again, or do not press a button for
30 seconds!
 The display switches off.
Theconguredsettingswillbesaved.

8.3 Making the chemical settings

CAUTION
Chemical burns, sensitisation of the skin, poisoning
The use of unsuitable chemicals can cause injury.
► Use only commercial detergent and rinse aid.
► Observe the manufacturer’s application and safety instructions.
Setting Selection
Detergent dosing OneLED=approx.3.5s 1 g/l
Factory setting: LED11-13=10.5s≈ 3 g/l
Possible range: 0–10 g/l
Rinse aid dosing OneLED=approx.0.7s 0.1 g/l
Factory setting: LED11-13=2.1s≈ 0.3 g/l
Possible range: 0.1–1.0 g/l
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Settings
Making the settings:
► Open the operator menu, see section 8.1.
 Key LEDs illuminate.  In the display , LEDs 1 (left) and 11-20 (right) illuminate.
 The right display shows the set value for the cleaner dosing
time.
Setting the detergent dosing quantity
► Press PROGRAM key “2” until the desired value is displayed.
Setting the rinse aid dosing quantity
► Press PROGRAM key “1” again.
 In the display , LEDs 1 and 2 (left) and 11-20 (right) illumi-
nate.
 The right display shows the set value of the rinse aid dosing
time.
► Press PROGRAM key “2” until the desired value is displayed.
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8.4 Setting the water hardness (optional)

With optional softener only.
Note: The softener must be set to the existing water hardness (ask at the local water works).
LED “on” Hardness range Water hardness
11 H01 up to 7°dH
11 and 12 H02 8 to 14°dH
11 to 13 H03 15 to 21°dH
11 to 14 H04 22 to 30°dH
Making the settings:
► Open the operator menu, see section 8.1.
 Key LEDs illuminate.  In the display , LEDs 1 (left) and 11-20 (right) illuminate.
► Press program key “1” again.
 In the display , LEDs 1 and 2 (left) and 11-20 (right) illumi-
nate.
► Press program key “1” again.
 In the display , LEDs 1 to 3 (left) and 11-20 (right) illumi-
nate.
 The right display indicates the set water hardness value.
► Press PROGRAM key “2” until the desired value is displayed.
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ECOMAX PLUS Installation and Operation Instructions
Problems and malfunctions

9 Problems and malfunctions

9.1 Remedying the problem

9.1.1 Poor wash result
Nature of the problem Possible cause Remedy
Washware not clean. Wash arms stiff (you should be able to turn
them easily by hand).
Wash arm nozzles are clogged (visual check).
Remove wash arms and clean them thor­oughly.
Also check water outlet from machine to wash arms is clear.
Remove wash arms, remove cleaning caps and rinse wash arms thoroughly until all contamination is removed.
Replace cleaning caps.
Rinse nozzles clogged (usually by lime deposit).
Regeneration concentration is too low or too high.
Coarse strainer clogged. Remove, empty and clean strainer.
Wrong program selected for heavily soiled washware.
Washware dries poorly. Rinse aid dosing too low. Increase concentration (see operating
Washware still greasy. Detergent concentration too low: increase
Rack is not suitable for type of dishes (sloping).
Washware remains in the machine too long at the end of rinse cycle.
Remove rinse arms and decalcify them in separate container.
Check site softener system for function.
Check detergent concentration setting.
Select program with longer wash cycle.
instructions).
(see operating instructions).
Check if detergent is appropriate. If not, choose a stronger one.
Draincontaminatedwaterandrellma­chine. Clear washware more thoroughly beforehand.
Use appropriate racks to create a sloping position which allows water to drain away from cavities.
Remove washware as soon as cycle is completed to enable it to dry.
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Problems and malfunctions
Nature of the problem Possible cause Remedy
Streaks and stains on washware.
Rinse aid concentration too high (stripe or bubble formation).
Hard water or high mineral content. Check water quality.
Rack is not suitable for type of dishes (sloping).
Inadequate rinse aid dosing causes stains. Increase rinse aid dosing (see operating
Machines with integrated softener: use of wrong salt (e.g. tablets).
Reduce concentration (see operating instructions).
Every local water works holds data on the composition of the water they supply and will provide these on request.
Reference values: Ideal hard water value: 0 - 3 °d (total hardness). Ideal mineral con­tent value: for glasses, max. conductivity 100 µS/cm, for dishes, still viable to max. 400 µS/cm.
Use appropriate racks to create a sloping position which allows water to drain away from cavities.
instructions).
Do not use salt tablets.
EN
9.1.2 Other problems
Nature of the problem Potential causes Remedy
Glasses are totally or partially cloudy.
Glass/dish breakage. Use of unsuitable dish or glass racks. Use suitable racks.
Surface of glasses is rough and porous, this is called glass corrosion.
Use new glasses, this is not caused by a malfunction on the machine.

9.2 Malfunctions

Nature of the problem Potential causes Remedy
Machine switches off suddenly during opera­tion.
All4keyLEDsash. Controller faulty Contact your Service Partner.
Machine coupled to a maximum system or locked against other current consumers.
A site fuse has tripped. Check site fuses.
Temperature sensor/pressure transmitter, boiler or tank defective.
Have machine connected separately (elec­trician!).
Contact your Service Partner.
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ECOMAX PLUS Installation and Operation Instructions
Maintenance

10 Maintenance

In order to maintain the warranty, as well as a permanently safe,
efcient,andtrouble-freeoperationofthemachine(s),therequired
maintenance must be carried out by authorized service techni­cians.
We therefore recommend the conclusion of an inspection and
maintenancecontract,whichguaranteesqualiedsupportby
specially trained service technicians according to a time schedule based on the operating conditions.
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Installation and Operation Instructions ECOMAX PLUS
Disposal

11 Disposal

The machine operator is responsible for disposing of the machine and its operating materials correctly and in accordance with envi­ronmental regulations. Observe the national and local legal provi­sions and regulations.
EN
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HOBART GmbH ecomax by HOBART Robert-Bosch-Str. 17 77656 Offenburg Deutschland Tel.: +49 (0)1803 66 29 Fax: +49 (0)1803 63 29.600-23 19 E-Mail: info@ecomaxbyhobart.de Internet: www.ecomaxbyhobart.de
Hobart UK. Southgate Way, Orton Southgate, Peterborough PE2 6GN United Kingdom Tel.: +44 (0)844 888 7777 Republic of Ireland: +353 (0)1246 0248 Fax: +44 (0)1733 361 347 E-mail: sales@hobartuk.com Internet: www.hobartuk.com
Compagnie HOBART SAS Allée du 1er mai 77183 Croissy Beaubourg FRANCE Tel: +33 (0)1 64 11 60 00 Fax: +33 (0)1 64 11 60 10 E-mail: contact@hobart.fr Internet: www.hobart.fr
Hobart Nederland BV Pompmolenlaan 12 3447 GK Woerden Telefoon +31 (0)348 462626 Fax: +31 (0)348 430117 E-mail: info@hobartnederland.nl Internet: www.hobartnederland.nl
Hobart Foster Belgium bvba/sprl Industriestraat 6 1910 Kampenhout Telefoon +32 (0) 16.60.60.40 Fax +32 (0) 16.60.59.88 E-mail: info@hobart.be Internet: www.hobart.be
Hobart Norge Gamle Drammenvei 120 N-1363 Høvik Tlf.: +47-67109800 E-post: post@hobart.no Hjemmeside: www.hobart.no
Hobart Scandinavia ApS Håndværkerbyen 27 2670 Greve Danmark Tlf.: +45 4390 5012 Fax.: +45 4390 5002 E-mail: salg@hobart.dk Internet: www.hobart.dk
Hobart Sweden/Finland Tel: +46 8 584 50 920 E-mail: info@hobart.se Internet: www.hobart.se
Australia Hobart Food Equipment
Unit 1 / 2 Picken Street, Silverwater NSW, 2128 Tel: +61 1800 462 278 Fax: +61 02 9714 0222 E-mail: sales@hobartfood.com.au Internet: www.hobartequipment.com.au
HOBART China 15th Floor, Building A New Caohejing International Business Center 391 Gui Ping Road Shanghai, 200233 Telephone: +86 (0)21 34612000 Fax: +86 (0)21 34617166 Internet: www.hobartchina.com
Printed in Germany
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