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INSTRUCTION MANUAL FOR DISHWASHERS
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CONTENTS
CHAP 1 PREFACE....................................................................................................................2
CHAP 2 INSTALLATION...........................................................................................................2
2.1 U
NPACKING.......................................................................................................................2
2.2 P
OSITIONING.....................................................................................................................2
2.3 E
LECTRICAL CONNECTION..................................................................................................3
2.4 P
LUMBING CONNECTION.....................................................................................................3
2.5 C
ONNECTION TO THE DRAIN LINE ........................................................................................4
CHAP 3 RISKS AND IMPORTANT WARNINGS.......................................................................4
CHAP 4 USING YOUR APPLIANCE.........................................................................................5
4.1 S
YMBOLS USED .................................................................................................................5
4.2 S
TARTING UP....................................................................................................................5
4.3 L
OA DING AND WARMING UP ...............................................................................................5
4.4 W
ASHING CYCLE ...............................................................................................................5
4.5 T
URNING OFF THE APPLIANCE............................................................................................6
4.6 D
ISCHARGING THE APPLIANCE............................................................................................7
4.6.1 Models without discharging pump............................................................................7
4.6.2 Models with discharging pump.................................................................................7
4.7 R
EGENERATING THE ION EXCHAN GE RESINS.......................................................................7
4.8 E
ND OF SERVICE ...............................................................................................................8
CHAP 5 MAINTANANCE ..........................................................................................................8
5.1 H
YGIENE AND CLEANING.....................................................................................................8
5.2 R
OUTINE MAINTENANCE (DAILY)..........................................................................................8
5.3 W
EEKLY MAINTENANCE......................................................................................................9
5.4 A
NNUAL MAINTENANCE....................................................................................................10
CHAP 6 ADJUSTMENTS AND SETTINGS.............................................................................10
6.1 D
ISPENSER .....................................................................................................................10
6.1.1 Rinse agent dispenser............................................................................................10
6.1.2 Models with no detergent metering unit..................................................................11
6.1.3 Models with detergent dispenser (available on request).........................................11
CHAP 7 DEINSTALLATION ....................................................................................................12
CHAP 8 DISPOSAL.................................................................................................................12
CHAP 9 REPAIR OPERATIONS.............................................................................................12
9.1 S
PECIAL PRECAUTIONS....................................................................................................12
9.2 R
ESTORING THE SAFETY THERMOSTAT.............................................................................12
9.3 R
EPLACING THE DETERGENT DISPENSER PIPE ..................................................................12
9.4 R
EPLACING THE TANK PRESSURE SWITCH........................................................................13
9.5 R
EMOVING THE RINSE AGENT DISPENSER REGULAT OR.....................................................13
In legal terms, the manufacturer reserves the property of this document. It is forbidden to reproduce it or divulge it with any means
without prior written authorisation.
The manufacturer reserves the right to introduce changes in order to achieve the improvements it deems necessary without prior notice.
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Chap 1 PREFACE
Failure to follow the instructions provided in the attached documentation may jeopardize
safety of the appliance and immediately cancel the warranty.
The warnings contained in this manual provide important information r
egarding
safety during the various installation, operation and maintenance stages.
Carefully store all documentation near the appliance; give it to the technicians and operators who
will be using it. It is the operator’s duty to read, understand and learn
this manual before
starting any operation on the mac hine
. The appliance is intended for the professional washing of
dishes for communities, so installation, use and maintenance must in all cases to be performed by
trained personnel who follow the manufact
urer’s instructions. Do not leave within the reach of
children. The choice of materials, construction in conformity with CE safety directives and complete
testing ensure the quality of this machine. In addition to this manual, you will find in the machine :
• wiring diagram
• topographic table
The manufacturer declines all responsibility for damage to things or injuries to persons
deriving from failure to comply with the instructions given or from improper use of the
machine.
Chap 2 INSTALLATION
Proper installation i
s essential in order for the machine to operate well. Some of the data needed for
machine installation can be found on the data plate placed on the right side
of the machine and in
duplicate on the cover of this manual.
Only qualified, authorised technicians must install the machine.
2.1 Unpacking
Check that the packing is in perfect condition and write down any damage found on the delivery
note. After you have removed the packing, make sure the appliance is intact. If the machine
is
damaged, immediately notify the dealer by fax or by registered letter with advice of receipt and the
haulage contractor that transported it. If the damage is such as to jeopardize machine safety, do not
install an d/or us e unti l a qualified tec hni ci a n ser v ices it.
The packing components (plastic bags, foam polystyrene, nails, etc. ...) must not be
left within the reach of children and pets as they may be dangerous.
2.2 Positioning
• Check that there are
no objects and materials in the
installation area that can be damaged by steam that
may exit the machine during operation, or at least
that they are sufficiently protected.
•
In order to ensure stability, install and balance the
machine on it s four fee t.
• Dif
ferent installation so lutions must be ag reed upon
and approved by the manufacturer.
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Mod.
V~ Hz kW
A
S/N
H2O
kPa °C
2.3 Electrical connection
•
There must be an omnipolar type of main switch
that disconnects all contacts, including the
neutral, with a distance of a
t least 3 mm between
the open contacts and with safety circuit breaker
tripping or connected with fuses
, to be sized or
calibrated in conformity with the power indicated on
the machine’s data plate.
•
The main switch must be located on the electric line
clos
e to the installation, and it must serve only one
applianc e at a time.
•
Electric network voltage and frequency must
coincide with those given on the data plate.
•
There must be an effective earthing system in
confo rmity with the preven tion standa rds in forc e
for
operator and equipment safety.
• The power supply cable (type H07RN-
F only) must
not be pulled or crushed during normal operation or
routine maintenance.
•
The un ipotentia l terminal f astened to the body mus t
be connected to a unipotential cable having a se
ction
suit ed to the ap plication.
•
Respect the polarities indicated in the wiring
diagram.
•
Consult that attached wiring diagram for additional
information.
Do not use adaptors, multiple socket-outlets or cables of inadequate type
and
section or with extension connections not compliant with plant engineering
standards in for ce.
2.4 Plumbing connection
The appliance is to be connected to the water network
with a hose. There must be a slide on-off, ball or ga
te
valve
able to quickly and completely turn off the
water if necessa ry
between the water network and the
appliance’s solenoid valve. The on-
off valve must be on
the line near and right before the appliance.
• If the system is new or barely used, have the w
ater run a long time before making the
connection.
• The water supply, temperature and pressure must be c omp a t ib le
with what is indicated on the
machine’ s t ech ni c al da ta pl a te.
•
If the water’s hardness is greater than 14 F (8 dH), we recommend you use the mac
hine wi th
internal water softener (available on request
). If the water’s hardness is greater than 35 F (19.5
dH), we recommend you install an external water softener upline of the solenoid valve.
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Free drain
2.5 Connection to the drain line
•
The drain line must be made up of a free water
trap
of a size proportionate to the delivery of the
drain pipe supplied with the machine. The pipe must
be able to reach the water trap
without being
pulled, squeezed, bent, crushed, pressed or
forced by anything.
•
The tank empties by gravity, so the drain must be at
a lower level tha n the base machine.
Max.
1 m
With discharge pump (available on
request)
•
If the drain is not at a lower level than the base of the
machine, you can use
the version equipped with a
discharge pump (available on request).
• In this case the maximum drain height is 1 m.
•
Always check that the drain works properly and that
it is not clogged.
•
All other solutions must be previously agreed upon
and approved by the manufacturer.
Chap 3 RISKS AND IMPORTANT WARNINGS
•
This appliance is to be used only for the use for which it was expressly designed. All other uses
are to be considered unfit and therefore dangerous.
• The specialised personnel who will install the machine is ob
liged to appropriately
instruct the user on the appliance’s operation and any safety measures that are to be
complied with, also by providing practical demonstrations.
• Any type of service done on the machine, also in the case of failure, must be performed
only by
the manufacturer or by an authorised service centre and by qualified personnel,
using only
original spare parts.
•
Always disconnect or separate the machine from the electric and water networks before
performing maintenance, repairs or cleaning.
• Untrained personnel must NOT use the machi n e.
• The machine must NOT remain live when it is not used.
• NEVER open the machine door quickly if it has not finished the cycle.
• NEVER use the machine without the factory-installed safety attachments.
• NEVER use the m
achine for washing object of a type, shape, size or material not guaranteed for
machine washing or not perfectly intact.
• NEVER use the appliance or its parts as a ladder or support for people, things or animals.
• NEVER overload the open door of front-loadin
g machines, which are sized to support only the
rack loaded with kitchenware.
• NEVER immerse bare hands in the washing solutions.
• NEVER turn the machine over after installation.
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Chap 4 USING YOUR APPLIANCE
4.1 Symbols used
? ?
?
Push the button
corresponding to one of the
symbols shown.
? ?
?
Push the button
corresponding to one of the
symbols shown. The related
warning light illu mina tes.
? ?
?
The warning light
corresponding to one of the
symbols shown lights up.
? ?
?
The warning light
corresponding to one of the
symbols shown turns off.
4.2 Starting Up
1.
Open the main water tap and engage the main
electrical sw it ch.
2. Ensure the overflow cap is present.
3.
Push the “on/off” button shown here. If present, the
related warning ligh t will light up.
4.3 Loading and Warming Up
•
If the tank is empty, the appliance starts filling up
once switched on.
• Once the tank is filled up, the warm u
p process is
started. If present, the related warning light goes off.
•
As tank and boiler reach the set temperature, the
warning light turns off.
•
To reduce the waiting time, it is possible to carry out
an empty cycle, 5-
10 minutes after starting the
appliance.
4.4 Washing Cycle
•
Check for the presence of dishwashing detergent and
rinse agent. Information on the type of products and
quantities to be used (automatic or manual) is given
in chapter “Adjustments and settings”.
• Use an adequ
ate rack; do not overload the rack or
place dishes on top of each other.
Always remove
large food particles from dishes
; do not load dishes
with dry food residues.
•
Place empty bowls upside down in rack. Load dishes
and similar items slanted on dedicated ra
ck with
internal surface facing upwards. Accommodate all
silverware in the supplied basket with handle s-down.
• Wash only items approved for dishwashing.
•
It is advisable to wash the dishes immediately after
use, in order to prevent any residuals from hardeni
ng
and sticking on them.
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For versions with rotating basket:
•
If possible, run the cycle only with the basket full,
evenly distributing th e di shes.
•
Place the lightest dishes near the middle of the rack,
and the heaviest ones near the outside.
• Place the sm
allest dishes near the middle of the rack,
and the largest ones near the outside.
• Load rack into dishwasher and shut the door.
• For versions with rotating basket,
make sure the basket turns freely, lightly spinning it
clockwise, then close the door and start the cycle.
• In order to avoid dam a ge s , onl y l oa d it em s approved for di shw a shi n g.
• Do not place silver and stainless steel cutlery in the same basket. This may corrode the steel
and cause the silver to burnish.
On appliances fe
aturing different washing times, select
the appropriate time for the loaded items by using the
“time selection” knob shown here.
START
• To start the cycle, press the “start” button shown.
• If available, the
“cycle warning light” lights up to
indicate that the cycle has started.
•
After the washing portion of the cycle is terminated,
the appliance automatically initiates the rinse and
discharge operations. At the end of the cycle, the
warning light turns off.
•
If during the cycle the door is accidentally opened, the appliance will automatically stop. To
resume the cycle, simply shut the door.
•
For a quick drying, immediately remove the rack from the dishwasher, once the cycle is
terminated.
• If the wa shing solu t
ion is found to be excessively dirty or dirt residues are spotted on
the tank filter, carry out the standard maintenance operations as described in the
“Maintenance” chapter.
• To perform other cycles, repeat the operations listed in the “Washing cycle”
paragraph.
4.5 Turning Off the Appliance
Press the “On/off” button as shown. If present, the
corresponding warning light will t urn off.
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4.6 Discharging the Appliance
4.6.1 Models without discharging pump
1. Turn off the appliance as described in the
“Turning off
the Appliance” paragraph, above.
2.
Remove the overflow cap: wait until the tank is
completely empty.
4.6.2 Models with discharging pump
1. Turn off the appliance as described in the “Turning
off
the Appliance” paragraph, above.
2. Remove the overflow cap and shut the door.
3.
Push the “discharging pump” button shown, and
release it once the tank is completely empty.
START
4.
On models without the “discharging pump button”,
turn off the appliance as described in the
“Turning off
the Appliance” paragraph, above.
5. Remove the overflow cap and shut the door.
6.
Press the “start” button, shown, and release it once
the tank is completely empty.
• With the tank completely empty, clean the appliance as described in the “Maintenance”
paragraph.
• Turn off the appliance whenever the overflow cap is removed.
4.7 Regenerating the Ion Exchange Resins
If the machine is equipped with an internal softener (available on request
), in order to ensure its
corre
ct performance, it is necessary to periodically regenerate the ion exchange resins. The number
of cycles between each regeneration is set by the hardness of the water, a ccording to the following
table.
dH F
No. of
Cycles
dH F
No. of
Cycles
dH F
No. of
Cycles
dH F
No. of
Cycles
6,0 10 150 9,5 17 74 13,5 24 53 17,5 31 32
6,5 11 138 10,0 18 71 14,0 25 50 18,0 32 29
7,0 12 126 10,5 19 68 14,5 26 47 18,5 33 26
7,5 13 114 11,0 20 65 15,0 27 44 19,0 34 23
8,0 14 100 12,0 21 62 15,5 28 41 19,5 35 20
8,5 15 90 12,5 22 59 16,0 29 38
9,0 16 77 13,0 23 56 17,0 30 35
• It is suggested to carry out the regeneration during breaks.
• Turn off the appliance as indicated in paragraph “Turning off the appliance”
.
• Drain the appliance as indicated in paragraph “Discharging the appliance”
.
• Clean the dishwasher as directed in chapter “Maintenance”
. At the end of the cleaning
procedure, open the main water tap and engage the main electrical switch.
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• Make sure the overflow cap has been removed.
• Open the salt dispenser inside the tank.
•
Pour approx. 250g of regenerating salt (cooking salt
with no additives and grains of 1-2 mm in diameter).
• Close the disp enser flap.
• Shut the door
START
• Without turning the appliance on
, press the “start”
button until the “cycle warning light” goes off.
•
The regeneration cycle is then started and will last fo r
approxim ately 20 minutes.
•
The regeneration is completed when the cycle
warning light turns off.
At the end of the regeneration cycle, with the tank empty
and the overflow cap removed, it is suggested to:
•
Turn the appliance on by pressing the “On/off” button
shown.
• Let water run through for approx. 1 minute so
to
remove salt residues from th e tank.
•
Turn the appliance off by pressing the “On/off” button;
hence refit the overflow cap.
The appliance is now ready to resume its service.
4.8 End of Service
• At the end of the day always drain t
he machine as
described in the “Machine draining” section.
•
Disconnect the power supply by means of the
main switch and close the external water cock.
•
Perform routine maintenance and clean the machine
as described in the “Maintenance” section.
• If possible,
leave the door ajar to prevent the
formation of bad sm ell s insid e.
Chap 5 MAINTANANCE
Before carrying out any maintenance operation, drain all the water as described in
paragraph “Discharging the Appliance”, cut the power by disengag
ing the main
electric switch, and shut the external water valve.
5.1 Hygiene and cleaning
To guarantee machine hygiene the routine (daily), weekly and yearly maintenance operations
indicated below must be regularly performed. Also carry out a periodical sani
tising treatment with
suitable non-corrosive products available on the market.
5.2 Routine maintenance (daily)
• If dirt residues are found at the bottom of the tank:
• Remove and clea n rac k s, overflow, and filter .
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• To clean the steel tank, do not use abrasive de
tergents or objects; instead, use a lightly soaped
damp cloth.
• Do not use pressurised water jets as these may damage the electrical system.
5.3
W
eekly Maintenance
• Perform routine maintenance.
• Remove and clean the wash and rinse arms and nozzles.
Illustrated below are the possible configurations of upper and lower wash/rinse arms.
(*) Spray closed. Nozzle not present.
• Clean the arm rotation pins and the wash and rinse water
outlet zone.
• Carefully clean the tank and machine, using non-abrasive
disinfecta nt pr o ducts.
• Correctly refit the nozzles, arms and filters, paying attention
to the inclination and coupling of the arms in their respective
seats.
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5.4 Annual Maintenance
Have your appl i a nc e car e ful l y in sp ec te d by an au t hor i se d t ech ni ci a n, and in partic ul ar :
• Remove residues from the bottom of the tank.
• Remove and deep clean wash arms and diffusers.
• Thoroughly clean the weir inserted in the lower wash arm shaft and the water exit area.
• Correctly refit weir, pivoting pins and wash arms.
•
Inspect the conditions of the sealing gaskets and the wear of other components such as pumps,
dispensers, etc.
• Inspect the settings of washing detergent and rinse agent dispensers.
• Inspect and eventually clean the resistors.
If the appliance is not use
d for long periods of time, it is necessary to have it adequately setup. If
you have any suspects about the presence of ice, do not run the appliance until an authorised
technician has inspected boiler and pipes.
Chap 6 ADJUSTMENTS AND SETTINGS
The following adjustment and setting operations may be carried exclusively by qualified
and authorised personnel, paying the utmost care and attention, and taking all
precautions in the event that safety features are bypassed.
6.1 Dispense
r
Before the zeroing
operation may be carried out,
dispenser(s) and supply pipes must be filled up. The
zeroing is performed via the adjusting screws which may
be reached by removing the front panel underneath the
tank door.
• The warra
nty does not cover damages resulting from improper use of the
dispenser(s) or incorrect manual feed.
•
Type and dosage of detergent and rinse agent are crucial in affecting the
appliance’s performance and service life. Use only liquid products for industrial
washing with antifoaming agents.
•
Adjustments must be made with the appliance hot and correct amount of
washing product.
6.1.1
Rinse agent dispenser
The level of rinse agent inside the container must be adequate; it must never be
completely emptied, or topped-
up with corrosive or impure produ cts. To fill u p t he supp ly
pipe and the dispenser, turn on the appliance and start the washing cycle, wait for
approx. 20 seconds and press the “On/off” button
for 8-
10 times with intervals of
approximately 10 seconds. Leave it pressed to let the cycle terminate.
•
Turning the adjusting screw anticlockwise, reduces
the quantity of rinse agent released, while turning it
clockwise, increases the dosage.
• For a rough estimat
e concerning the amount of rinse
agent required for the first zeroing operation,
refer to
the dosage suggested by the manufacturer of the
product.
•
The screw adjustment must be refined on the basis of
the results obtained after at least three rinsing cycles
,
so to let the system settle.
•
Striations on washed items and the formation of foam within the washing solution indicate an
excessive quantity of rinse agent. Items covered with water drops and long drying time, indicate
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insufficient amount of rinse agent.
•
To obtain optimum results, use only rinse agents with a manufacturer’s suggested dosage of
less than 1.5 gr. /litre.
• 7.9 cm of pipe = 1 ml. of product (= 1 gr. of product with a density of 1 kg/dm
3
). The amou nt of
water used for the rinsing process is approx. 3 litres/cycle.
• Do not modify the height difference between tank and appliance after setting the dosage.
•
If the height difference between tank and base of appliance is more than 80 cm, the dispenser
may not work co rrectly.
• If rinse aid is not used, completely close the dispenser adjustment screw.
6.1.2 Models with no detergent metering unit
Manual feed is discouraged
as it does not guarantee
the optimal results offered by an automatic system. If,
however, an automatic dispenser is not
used, introduce
the detergent in the pump intake filter area every five
cycles,
in the dosage suggested by the manufacturer of
the detergent. Refer to the technical specifications to find
out the amount of water used in the tank; the quantity
used for rinsing is approx. 3 litres. At every top-
up, add a
quantity of detergent corresponding to the quantity of
water in the tank and the five following rinsing cycles. For
following dosages only add the amount of detergent
require d for rinsi ng operations.
The installation of a detergent dispenser is always recommended.
6.1.3 Models with detergent dispenser (available on request)
The level of detergent inside the container must be adequate; it must never be
compl ete ly e mpt ie d, o r t o pp ed -up w
ith corrosive or impu re pro ducts. To fill u p the su pply
pipe it is sufficient to turn on the appliance and perform the first loading with the unit connected.
•
Turning the adjusting screw anticlockwise decreases
the amount of de
tergent released, while turning it
clockwise, increases the dosage (f rom 1 to 1.5 ml per
rinse per mark, corresponding to approx. 1.2 –
1.8 gr.
of product with density 1.2 kg/dm
3
). Check the
appliance’s technical specifications to find out about
the amount of water in the tank.
•
For a rough estimate concerning the amount of rinse
agent required for the first zeroing operation,
refer to
the dosage suggested by the manufacturer of the
product.
•
The screw adjustment must be refined on the basis of
the results obtained after at least three rinsing cycles
,
so to let the system settle.
• At the end each cycle, no foam must be present in the tank.
•
If foam is present, first check the type of detergent used and eventually replace with a more
adequate one. If foam is sti
ll present, check the water temperature in the tank is correct and
eventually reduce the dosage of detergent until all foam is successfully eliminated.
•
With the dispensers supplied, it is necessary to use only detergent with a manufacturer’s
suggested dosage less than 5 gr. /litre.
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Chap 7
DEINSTALLATION
Only qualified and authorised technical personnel can perform deinstallation.
• Turn off the power to the machine with the external main switch.
• Shut off the external water supply tap.
• Completely disconnect the machine from the electric and water supply networks.
• Empty, clean and completely prepare all the internal wa ter circuits, measuring devices, pumps
and boiler.
• Completely empty the detergent and rinse aid dispensers and tubes connected to them, making
sure to correctly dispose of the detergent and rinse aid (contact the supplier of the products
used)
Chap 8 DISPOSAL
There are no materials on our machines that require special disposal procedures.
Chap 9 REPAIR OPERATIONS
9.1 Special Precautions
•
Before performing any operation always unplug appliance from outlet and detac h
from water mains. Always wear protective gloves.
•
Always refer to the technical documentation and specifications enclosed with
appliance.
• At the end of any intervention, replace all safety features previously removed.
• Do not leave foreign objects inside appliance.
• Do not tip over appliance after setup.
9.2 Restoring the Safety Thermostat
To resume the operation, eliminate the cause of
the
problem and press the red button on the thermostat to
reengage.
9.3 Replacing the Detergent Dispenser Pipe
The silicon pipe from the detergent dispenser is subject to wear and must therefore be replaced
periodic all y . Proceed as follows:
1) Remove the clear
cap
2) Loosen th e pipe by
turning the gear
3) Replace the silicone
pipe
4) Shut the clear cap
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9.4 Replacing the Tank Pressure Switch
If replacing the pressure switch, or its
drum, or in the case of the appliance accidentally tipping over,
proceed as follows:
1) The pressure switch is
situated eit her at th e back or
top of applianc e
2) Rem ove the tube and, if
necessary, replace the
pressure switch.
3) Blow inside the tube to eliminate
condensation. Refit the components
in reverse order.
9.5 Removing the Rinse Agent Dispenser Regulato
r
The internal components (boot,…) are subject to wear, therefore they must be periodically replaced.
In case of inte rvention on the rinse aid dispense r , carry out the following steps:
1) Drain the appliance as
described in “Discharging
the appliance”.
2) Loosen th e four
screws holding the
dispenser.
3) Replace any faulty
components.
4) Refit the dispenser
correctly centring the
rubber bellow.
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