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instruction for the service people

PROBLEMS

TROUBLE SHOOTING

e)the boiler is not encrusted in any way as to
limit the water flow.

Insufficient rinse temperature

a)make sure that the temperature of the supply
is that prescribed 50/55°C.

b)make sure that the thermostat "ST10" is
adjusted to the correct temperature.

c)make sure that the thermostats "ST10" and
"ST10A" are not faulty

d)make sure that the rinsing nozzles have not
been incorrectly increased or replaced by
another type.

If none of the above reasons appears to be the
cause for the problem, proceed as follows:

Machine with electric heating

Make sure that the circuit breaker "QFE10"
(or QFE11)has not switched off or is faulty.

make sure that the coil of the contactor
"KE10" (or KE11) is not interrupted.

check all sections of the boiler elements
"E10" (or E11).

make sure that the safety thermostat "ST10A"
(or  ST11A)  has  not  operated.  Should  this
have  happened  check  the  reason,  then
reactivate  it  as  well  as  the  circuit  breaker
"QFE10" (and/or QFE11)

Содержание COMENDA AC2E

Страница 1: ...INSTRUCTION MANUAL FOR DISHWASHING Mod AC2E AC2E P5 AC2E P6 AC2E P9 ...

Страница 2: ...CORNER VERSION DHM ...

Страница 3: ...n S3 14 Slip clutch 14 Motor protection 15 Element protection 15 Other risks 15 Risk of trapping the upper limbs 15 Risks of burning the upper limbs 15 INSTRUCTION FOR INSTALLATION AND MAINTENANCE 16 Location 17 Installation and connections 17 Electrical connection 17 Hot water connection B 19 Cold water connection D 19 Steam connection E only for steam heated machines 19 Water drain A 19 Steam di...

Страница 4: ...instruction for the user 4 ...

Страница 5: ... washing of machine parts or objects with higher dimensions than the working passage of which the machine allows is not recommended and will cause damage to the machine and danger to the operators 6 The machine must be used only by trained staff 7 The staff handling the objects after the washing cycles must comply with hygiene regulations 8 Do not keep the machine in places with temperatures below...

Страница 6: ...instruction for the user 6 ...

Страница 7: ...ption manual machine override in case of failure of control boards In order to operate the machine turn the key switch on position 1 key will return on position 0 In order to stop the machine push the EMERGENCY STOP push button or open a door ...

Страница 8: ...umption m3 Partial water consumption l Total energy consumption kWh Partial energy consumption kWh Partial ON time h Total ON time h Rinse time h Wash time h Rinse temperature alarm Wash temperature alarm Rinse water alarm flow Rinse temperature Wash temperature Press HOME to go back to normal machine operation Press to show following parameters Total water consumption m3 Partial water consumption...

Страница 9: ...instruction for the user 9 INSTRUCTIONS FOR USE ...

Страница 10: ...d the display show 1 water supply temperature probe 55 C 2 prewash temperature probe 40 45 C 3 4 5 6 wash temperatures probes 55 60 C 7 rinse temperature probe 80 85 C Wait until the wash tank temperature reaches 55 60 C at this point the machine is ready for use Select the machine speed using the main switch Q2 position I for heavily soiled dishes position II for lightly soiled items position II ...

Страница 11: ...nly commercial non foaming detergents for industrial dishwashers supplied by well known and reputable companies 4 Isolate the electrical supply to the machine in the case of a breakdown or defective operation For all repair work rely exclusively on a Technical Assistance approved by the manufacturer and request that original spare parts be used 5 At periodic intervals stop the machine remove tank ...

Страница 12: ...s being washed the wash nozzles are turned towards the items being washed 9 Keep doors open in order to avoid unpleasant odours when not in use USEFUL ADVICE Maintenance IMPORTANT Before undertaking cleaning and maintenance work isolate the machine from the electric supply by switching off the wall switch or the disconnecting switch Q1 ATTENTION do not unplug the disconnecting switch Q1 when machi...

Страница 13: ...n If this problem occurs ensure that the wash nozzles are clean and that there is an adequate water supply pressure available Also check the following points wash nozzles are not blocked water supply temperature probe 1 is 50 55 C excluding machines with heat recovery unit or machines functioning with cold water feed prewash temperature probe 2 is 40 45 C wash temperatures probes 3 6 is 55 60 C ri...

Страница 14: ...f the doors is opened the functioning of the pumps the motor reduction gear of the conveyor unit and the rinse solenoid valve are interrupted The operation is resumed only after the doors are closed again and by pressing the start push button S1 In case of dishwashers with a complex lay out several push buttons near the working stations may be necessary Emergency stop push button S3 The machine is...

Страница 15: ...NTENANCE Other risks Although the machine is provided with the above mentioned safety devices there are still the risks listed below Risk of trapping the upper limbs As previously pointed out above the conveyor system is provided with a clutch type mechanical torque control the adjustment must be related to the mechanical torque required for the transport of the items being washed The mechanical r...

Страница 16: ...INTENANCE The following instructions are for qualified staff who are authorised to carry out inspections and repair work if necessary The manufacturer declines all liability for damages due to incorrect installation or any repairs when original spare parts have not been used ...

Страница 17: ...ossible to obtain adequate quantities when pouring the detergent directly into the tank There is also the risk that brown spots may appear on the surfaces due to the reaction of chloride The introduction of the detergents must take place near the suction tube of the pump the minimum distance from the bottom must be 15 cm in order to avoid corrosion ELECTRICAL CONNECTION The electrical supply volta...

Страница 18: ...eet located at the front of the machine The manufacturer declines all liability for damages due to the lack of an efficient earth bonded installation For the electric connection of the detergent dispensers the machine is provided with two connections in the electric board marked DD connected to the wash pump The use of these connections is essential to avoid damages to the electrical components of...

Страница 19: ...nnected to the water mains by detachable hose sets a new hose sets are to be used and the old hose sets should not be reused Only for machines steam energy recovery unit for obtaining a good result the incoming water should have a hardness not exceeding 5 7 Clarke STEAM CONNECTION E only for steam heated machines The supply of steam and connections to the machine must be in accordance with the ins...

Страница 20: ...ing to fig 5 BEFORE STARTING THE MACHINE The boiler circuit breaker QFE10 and QFE11 has to be open position OFF Before reactivating it check after having switched on the machine that the boiler is full of water by making sure that water is coming out of the rinsing nozzles Make sure that all 3ph motors turn in the right direction heat pump compressor end recirculation pump dryer fan ...

Страница 21: ...Torque limiter The limiter has already been described in paragraph SAFETY DEVICES It is placed on the drive shaft and is adjusted during the commissioning of the machine Should new adjustments be necessary proceed as follows SWITCH OFF THE MACHINE ...

Страница 22: ...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 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 r...

Страница 23: ...ue c make sure that the motors are not drawing more current than the value shown on the plate of the motor d make sure that there are three phases to the motors If not check the contactor Incorrect filling of the tanks a Check and adjust the pressure switch SL3 lamp H02 does not illuminat if required b make sure that the local isolating valve for the water supply is open and that there is water in...

Страница 24: ...nd that the concentration of the dosing is correct b make sure that the dispenser of the detergent is not empty and that the detergent injector functions correctly c make sure that the wash jets are not blocked clean them if required d make sure that the temperature in the prewash and wash tank are correct e make sure that the plugs of the spray arms are fitted correctly f if the pump is not runni...

Страница 25: ...machine Check the installation of the condense recovery by detaching the discharge tube of the steam condense and discharge it into an open drain If the pressure at the manometer is 0 5 bar min and the machine starts heating this means that the problem is on the installation of the steam condense recovery Insufficient rinsing a Before checking the rinse system check that the wash section is operat...

Страница 26: ... the rinsing nozzles have not been incorrectly increased or replaced by another type If none of the above reasons appears to be the cause for the problem proceed as follows Machine with electric heating Make sure that the circuit breaker QFE10 or QFE11 has not switched off or is faulty make sure that the coil of the contactor KE10 or KE11 is not interrupted check all sections of the boiler element...

Страница 27: ...e YV10 is working make sure that the filter of the steam strainer is not blocked thus restricting the normal flow of steam make sure that the steam condensate is being discharged freely make sure that the steam heating coil is not encrusted thus limiting heat exchange The manufacturer declines all liability for printing errors in this instruction manual He furthermore claims the right to carry out...

Страница 28: ...AC2E tech eng 04 2015 ...

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