COMENDA EC90 User manual

Manuale di istruzione per
Manuale di istruzione per Manuale di istruzione per
Manuale di istruzione per
lavastoviglie
lavastoviglielavastoviglie
lavastoviglie
Notice d’utilisation pour
Notice d’utilisation pourNotice d’utilisation pour
Notice d’utilisation pour
lave
lavelave
lave-
--
-vaisselle
vaissellevaisselle
vaisselle
Gebrauchsanweisung für
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Geschirrspüler
Instruction manual for
Instruction manual for Instruction manual for
Instruction manual for
dishwashers
dishwashersdishwashers
dishwashers
Manual de instrucciones para
Manual de instrucciones para Manual de instrucciones para
Manual de instrucciones para
lavavajillas
lavavajillaslavavajillas
lavavajillas
Mod.
EC90

INSTRUCTIONS FOR THE USER
41
FOREWORD
1. Read the instructions contained in the enclosed booklet carefully, because
it contains important information on installation, operation and
maintenance safety. Store this booklet carefully for any further
consultation by other operators.
2. Having removed the packing material, check that all the equipment is
present.
If there is any doubt, do not use it and contact qualified personnel.
The packing elements (plastic bags, foam polystyrene, nails, etc.) should be
kept away from children, because they are dangerous.
3. Before switching the equipment on, make sure that the model plate data
conforms to that of the electrical and water distribution network.
4. Installation should be carried out by qualified personnel according to the
manufacturer's instructions.
5. This equipment should be destined to the use which it has been conceived
for. Any other application should be considered improper and
consequently dangerous.
6. The equipment should only be used by personnel trained for its use.
7. Operators must strictly follow all hygienic requirements in the handling of
clean dishware and cutlery.
8. Do not leave the machine in an environment at temperatures lower than
0°C.
9. The protection of the machine is IP X4, therefore it should not be washed
with high pressure directed water jets.
10.Qualified personnel only can access the control panel, after having
disconnected the machine from the primary current supply.
11.The appliance is made according to EEC 89/336 regarding radio noise
suppression and electromagnetic compatibility.
12.According to EEC directive nr.23 of 19/02/1973 and the law of actuation
nr.791 of 18/10/1987, our appliances are built-up according to the good
technique norms in force in Italy and abroad.
13.Noise level of the machine, less than 63dB(A)

INSTRUCTIONS FOR THE USER
42
INSTRUCTIONS FOR USE

INSTRUCTIONS FOR THE USER
43
CONTROL PANEL
CONTROL PANELCONTROL PANEL
CONTROL PANEL
H2
H3
S9a
S9
Q1
S4
EC90
H2 Pilot lamp "machine READY"
H3 Pilot lamp "machine WORKING"
Q1 Main switch
GREEN Machine OFF
RED Machine ON / Wash cycle
RED Machine ON / Regeneration cycle (if required)
S4 Push button "REGENERATION START" (if required)
S9 Push button "MANUAL WASH"
S9a Cycle selector

INSTRUCTIONS FOR THE USER
44
OPERATION AND USE
1. Before washing make sure that:
• the wall-mounted on/off switch is switched on;
• the water tap is open;
• water is present in the distribution network;
• the pump protection filters are installed in their respective positions;
• the overflow in inserted;
• all rotating parts are free;
• the rinse aid dispenser is full;
• make sure that dishware is in good conditions as it may cause cleaning
difficulty and haven bacteria.
2. Press the "Q1" button (RED) to enable the automatic wash tank filling and
the consequent triggering of the heating element.
3. As soon as visual indicator "H2" is ON; pour about 30 gr. of detergent
directly into the tank, paying attention to distribute it uniformly on the filters,
the quantity being according to supplier's instructions. Add 15 gr. every 7
cycles to achieve a concentration of 1,5 gr./lt. In order to respect our
environment, use only the correct amount of detergent.
When using chlorinated detergent, it is suggested to use an automatic
dispenser; otherwise, brownish spots might appear on the surfaces due to
chlorine reactions. Detergent should always be placed near the pump filter.
4. Then, introduce the glasses or the cups to wash, after having removed the
solid waste and having placed them into the proper racks. The cups and the
glasses should be turned upside down, while the cutlery should be put
vertically into the proper container, and the same applies to dishware.
5. Press the "S9a" button to select the wash cycle according to conditions of
the dishware:
• (pos. 1 ) short cycle with normally dirty dishes;
• (pos. 2 ) long cycle with particularly dirty dishes or deep dishes
A manual wash is possible by pressing the "S9" button activates the wash
cycle for a maximum time of 8 min and 20sec. To interrupt the wash cycle
press "S9". The pause and rinse cycles will follow and if incorporated also
the drain cycle.
6. Close the door for the wash cycle start.
The end of which will be indicated by the switching off of the "H3" lamp.

INSTRUCTIONS FOR THE USER
45
ATTENTION: Machine in conformity with the existing hygienic
standards, guaranteeing a final rinse at 85°C. Wash cycle automatically
lengthened if final rinse temperature is not reached.When this auto-cycle
intervenes and the cycle is pro-longed, after 8 minutes the "H3"
indicator flashes to indicate this intervention and the cycle continues
(water supply temperature is likely to be the problem, otherwise contact
an assistance center since it is a rinse water heating intervention.). Turn
off the machine to remove this alarm.
7. Remove the rack and slightly incline it to permit a perfect drain; allow
dishware to dry and after having washed one’s hands, handle the rack in
order not to touch the dishware inside then place the rack on hygienically
clean shelves.
8. At the end of washing, with the machine off (Q1 – GREEN pos.), empty
out the tank by taking out the overflow tube, then close the door and with the
machine on (Q1 – RED pos.).for a few minutes to wash the machine. Then
again with the machine off and wait until the tank is completely empty
At this point, the tank filter can be taken out, in order to be washed, then
replace it with the overflow in its place.
For any further information concerning equipment cleaning, read chapter
"USEFUL SUGGESTIONS".
9. When the washing is finished, switch off the equipment by
turning off the main supply through the general wall switch and close
the water supply.

INSTRUCTIONS FOR THE USER
46
INSTRUCTIONS DURING THE WASHING
1)Do not plunge bare hands into the water containing the detergent. If this
happens, wash them immediately and abundantly with fresh water.
2)When the machine is operating, do not open the door too rapidly.
3)Use only specific anti-foaming detergents.
4)Disconnect the equipment in case the machine is out of order or it does
not work properly. For the repairs consult a technical assistance centre
authorised by the manufacturer and ask only for an original spare parts.
5)Never modify the thermostat settings.
6)Check that lamp "H2" is on.
7)Wash tank water should be changed at least twice a day or according to
daily wash requirements.
8)Do not subject clean dishware to any further cleansing treatment such as
brushes or drying towels.
If these instructions are not followed, the safety of the equipment can be
compromised.

INSTRUCTIONS FOR THE USER
47
USEFUL SUGGESTIONS
1) MAINTENANCE
IMPORTANT: Before carrying out the cleaning and maintenance
operations, disconnect the equipment from the electric supply.
Frequently check and clean the nozzles. The frequency of this operation will
depend on the quantity of residues, which may result in an unsatisfactory
washing result.
♦ For the inside and outside cleaning of the machine, do not use corrosive
products such as sodium hypochlorite (bleach) savelling water and
hydrochloric acid, acids, steel wool or steel brushes.
♦ The presence of calcium and magnesium salt in the water can
compromise machine performance, thus ask qualified personnel to
remove the deposits periodically.
♦ In order to avoid some oxidation risks, or chemical reactions, generally
the stainless steel surfaces have to be well cleaned.
2) OPTIMAL RESULTS:
A possible wash deficiency can be noticed when residue remains.
Marks can be caused by an insufficient rinse: in this case check
that the rinse nozzles are clean and that there is sufficient water supply
pressure.
In case of dishware residue check that:
• the washing nozzles are clean
• the water temperature is around 60°C
• there is detergent
• the pump suction filter is clean
• the racks are suitable for the dishes and cutlery that are to be washed
• the position of the cutlery and the dishes in the racks are correct
3) TEMPORARY MACHINE NON-USE
In case the machine is stopped for some weeks, it is recommended before
closing it to fill the tank and run the machine with clean water, then empty it
out, in order to avoid the forming of bad odour and that any residue remains
in the pump.
If necessary repeat this operation until the water leaving the machine is
clean.
If the machine is stopped for many weeks, it is recommended to oil the
stainless steel surfaces with paraffin oil and to discharge the water from the
boiler and the electric pump.

INSTRUCTIONS FOR THE USER
48
4)SANITIZING THE MACHINE
Sanitizing the machine at least once a week is of the utmost importance in
order to guarantee hygiene even when the machine is not in use.
It is advisable to use a disinfecting product suggested by an authorised
detergent dealer.
The use of this product will satisfy hygienic requirements, even during
machine non use.
Before switching off the machine run the machine briefly with clean
water.
5)HARD WATER CONDITIONS
If a hard water supply is present, mineral deposits will form within the
machine and also on dishware.
In order to avoid the above conditions a periodic removal of these deposits is
necessary.
The frequency and method of this operation upon consultation by your
detergent supplier.
6)RESINS REGENERATION OF THE WATER SOFTENER (only for machines with
built-in water softener)
The regeneration of the water softener resins is completely automatic.
The presence of some opaque spots on the glasses will show that it is
necessary to start the regeneration.
First of all, make sure that in the designated tank container "S" there is some
regeneration salt (1kg is enough for about 5 regenerations).
This operation has to be carried out with full tank.
Machine on ("Q1" - RED pos.), close the front door and press the button
"S4" for approx. 3sec.
After that the lamp "H3" flashes for 20 minutes (during this operation the
machine cannot be used).
The end of which will be indicated by the switching off of the "H3" lamp.
Turn off the machine, take out the overflow pipe from the tank and wait until
it is completely empty then close the door, turn on the machine for a few
minutes to wash the machine.
At this point switch off the machine, replace the overflow in its place, the
equipment is ready to be used.

49
INSTALLATION AND MAINTENANCE
INSTRUCTIONS
The following instructions are addressed to a qualified personnel the only
one authorised to carry out checks and repairs, if any.
The manufacturer declines any responsibility in the case of interventions
made by a non qualified personnel or the use of spare parts other than those
supplied by the Manufacture.

INSTRUCTIONS FOR TECHNICAL PERSONNEL
50
INSTALLATION
During installation, carry out proper machine levelling, which is a
prerequisite for a correct operation thereof (max. tolerance 2°).
In order to prevent any damage caused by steam going out of the machine,
make sure that the surrounding materials do not deteriorate in its presence.
After machine installation check thermostat settings, booster 85°C, tank
60°C.
1)ELECTRICAL CONNECTION
The electrical safety of this equipment is only assured if it is connected as
follows. It is necessary to connect the equipment to an effective earthing as
specified by the electrical safety regulations in force. Check that this basic
requirement is complied with, in case of any doubt ask for a careful check of
the installation by a qualified personnel. In the case the earthing is not
efficient there will be a dispersion due to the suppresser.
The machine shall be included in a correctly dimensioned equipotential,
whose effectiveness is to be very tight in accordance to the procedures set for
in the applicable safety standards. The connection shall be performed
through a screw marked by the plate near the rear side of the
appliance.
The manufacturer declines any responsibility for any damages caused by lack
of an effective ground installation. For the electrical power supply have
available a wall circuit breaker switch with multiple phase protection
according the following table with contact aperture distance, equal to or not
exceeding 3mm and a supply cable no less than 2.5mm².
Modello 220/230V∼
220/230V 3∼ 380/400V 3N∼
EC90
- 32A 20A
For other supplies the cable cross section and the circuit breaker switch must
be calculated according to voltage and length of cabling. If cabling too long
adjust cable size to Amp rating; do not pull on supply cable or install it under
tension. If cable needs to be replaced use type H07RN-F.

INSTRUCTIONS FOR TECHNICAL PERSONNEL
51
2)WATER CONNECTION
Install a 55°C water tap in a well accessible place, terminating in a 3/4"
fitting, which the pipe strainer and inlet hose shall be connected to.
Carefully comply with any national or regional regulations in force.
The operating pressure should be neither less than 2 bars or greater that 4
bars (200/400 kPa). If water pressure is inferior then 2 bar, a pressure
increase pump is necessary. If water pressure exceeds 4 bar, a pressure
reducer is necessary.
In order to obtain best results, it is suggested that the water supply have a
hardness not greater that 8 Clarke.
3)WATER DRAIN
Arrange a water drain towards the floor with siphon and connect the machine
with the flexible tube given with the machine, so that it leans towards the
drain. Moreover, make sure that the hose does not have constrictions.
Make sure that the building drain tubing withstands temperatures up to 70°C.
4)RINSE AID DOSAGE
Make sure that rinse aid suction hose is correctly installed in it’s proper
container. The dosage is automatic with the adjusting of the screw "I", which
after screwing to a full stop unscrew two turns. At this point the machine
automatically takes the necessary liquid for every rinse: during the washing
operations, check that the liquid of the container does not run short.
For filling the dosing tube, start the machine without plugging the overflow
in: at that point switch the machine on and off . Repeat this operation several
times at intervals of few seconds, until the rinse aid reaches the injector. Wait
until the machine reaches the correct temperature (lamp "H2" on). Make
some empty cycles, then try to wash: if the objects washed show some drops,
this means that the rinse aid is insufficient. On the contrary, the presence of
marks can mean that there is too much rinse aid or the water is too hard. The
regulation can change according to the kind of rinse aid.
5)DETERGENT DOSAGE (for machines with built-in detergent dispenser)
With the screw on the side of the detergent pump, close completely the
product intake, then slowly open the screw until the desired intake quantity
has been reached. The correct quantity is indicated by the detergent supplier.
Check that the intake of the pipe during the rinse cycle is as preset. (1cm =
1g approximately). Maximum intake or delivery distance: 2 meters.

INSTRUCTIONS FOR TECHNICAL PERSONNEL
52
6) LOADING AND UNLOADING OF THE MACHINE
For the transportation of the machine from the delivery point to the final
installation position, use a fork lift or adequate lifting equipment used by
authorised staff. Lift the machine by its frame, taking care that any
protruding parts are not damaged (discharges, wiring etc.).
7) MACHINE DISMANTLING
At the end of its normal lifetime, the machine has to be taken apart according
to the local regulations in force by separating the components as follows:
• metal parts: hood, platforms, frames, filters
• electrical parts: motors, remote control switches, microswitches, wiring
• plastic parts: racks, connections
• rubber parts: tubes, sleeves
ENERGY CONSUMPTION
Model
Wash tank
capacity
(l)
Rinse water
consumpt.
(l)
Tank
heater
(W)
Rinse
heater
(W)
Wash
pump (W) Total electric
load (W)
Output in
racks per
hour with
55°C inlet
water
Output in
racks per
hour with
12°C inlet
water
EC90 42 4 2200 8000 750 8750 48/30/20 12
In the event of low water supply temperature, the will be a subsequent
machine output drop.

INSTRUCTIONS FOR TECHNICAL PERSONNEL
53
WIRING DIAGRAM
C1 Anti noise filter
C3 Condensator
E2 Booster heater
E3 Tank heater
H2 Pilot lamp machine ready
H3 Pilot lamp machine working
KE2 Booster heater contactor
KE2b Safety contactor of booster heater
KM3 Wash pump contactor
M2 Rinse pump (if required)
M3 Wash pump
M5 Drain pump (if required)
MD Detergent dispenser (if required)
Q1 Main switch
S1 Door switch
S2 Pressure switch
S4 Regeneration switch (if required)
S9 Manual wash push button
S9a Cycle selection push button
SE2 Booster thermostat
SE2a Booster thermostat
SE2b Booster safety thermostat
SE3 Tank thermostat
Y1 Rinse solenoid valve
Y4 Regeneration solenoid valve (if required)
X1 Junction
The manufacturer declines any responsibility for any printing errors
contained in this booklet. The manufacturer also reserves the right to make
any modifications to its products that do not affect the basic characteristics
thereof.