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UX

Hobart UX Installation And Operation Instructions Manual

Starting from Serial No.:
8650 6000 REV. 04.09.2009
INSTALLATION AND OPERATION INSTRUCTIONS
UX SERIES
UTENSIL WASHING MACHINES
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NL
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NL
1 IMPORTANT NOTES ...................................................................... 4
2 INSTALLATION ............................................................................. 5
2.1 Location ........................................................................................ 5
2.2 Electrical connection ....................................................................... 5
2.3 Water connection ........................................................................... 5
2.4 Steam connection (steam heated machines only) .............................. 6
2.5 Adjustment of shut-off valve for steam supply ................................... 6
2.6 Drain connection ............................................................................ 6
3 CONNECTING OF DETERGENT PUMP ............................................ 7
4 CONTROLS .................................................................................. 9
5 START-UP ................................................................................... 10
5.1 Rinse aid ...................................................................................... 10
5.2 Detergent .................................................................................... 10
5.3 Softener (only on option) ............................................................... 10
5.4 Filling of the rinse booster heater and pre-dosing ............................ 10
6 SETTINGS .................................................................................. 11
6.1 Adjustment of detergent dosage quantity ........................................ 11
6.2 Adjustment of rinse agent dosage quantity ..................................... 11
6.3 Adjustment of water hardness ...................................................... 11
6.4 Priming the suction hoses ............................................................. 12
6.5 Priming of suction hose rinse agent ............................................... 12
7 OPERATION ............................................................................... 13
7.1 Preparation .................................................................................. 13
7.2 Run ............................................................................................. 14
8 PREVIEW OF TEMPERATURES ..................................................... 15
9 SWITCH-OFF AND CLEANING THE MACHINE ................................ 15
9.1 Switch-off ..................................................................................... 15
9.2 Cleaning (daily) ............................................................................. 15
9.3 Cleaning (weekly) .......................................................................... 15
11 FROST PREVENTION .................................................................. 16
12 MAINTENANCE .......................................................................... 16
13 FAULTS ...................................................................................... 17
14 TROUBLESHOOTING GUIDE ......................................................... 18
CONTENT Page
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1 IMPORTANT NOTES
Use in Accordance with Regulations
This machine is exclusively to be used to wash ware such as pots and pans, baking sheets, cutlery, trays etc.
Do not use for electrically heated cooking and heat conservation appliances.
Do not put heavy objects on the top of the machine.
Safety
Do not stand on the open front door of the machine.
Never hose down the outside of the machine.
The "Attention" symbol is shown beside instructions that are essential for the safe operation of the machine.
Please read these passages thoroughly.
Liability
Installations and repairs which are carried out by non authorized technicians or the use of other than original spare parts, and any technical alterations to the machine, may affect the warranty set out in the standard conditions of sale.
Machine noise level:
The machine noise level is 65 dB (A).
Connecting voltage:
The machine described in this operation manual has the following connecting voltage:
400 V/50 Hz/3 Ph/N/PE.
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A
2.1 LOCATION
– Wall clearance is not required at the rear. – The lateral distance between machine and wall should be
400 mm on one side.
– To avoid damage of the feet, do not slide the machine on floor after the
skid is removed. – Level machine by turning the feet. – Distribute machine weight equally onto all feet.
2.2 ELECTRICAL CONNECTION
Must be carried out by an authorized technician according to the local and national codes.
– The electrical supply shall comply with the name-plate data. – Line fuses and cable cross section shall comply with the requirements. – A cut-off device shall be provided to connect the supply cord (isolating
switch or accessible plug device).
According to EN 60 335 the appliance must be connected to an equipotential conductor. The connecting screw (
) is located beside the cable inlet.
2.3 WATER CONNECTION
Must be carried out by an authorized technician according to the national and local codes.
The machine must be operated with potable water. For water with an extremely high mineral content an external demineralisation is strongly recommended.
– Machines without softener: Connect to soft and if possible warm
water (up to 4° Clark = 0.5 mmol/l, max. 60 °C). – Machines with softener: Connect to warm water (max. 60 °C) if
possible. – Machines with heat recovery (drain / exhaust): Connect to cold
water (min. 10 °C) if possible.
– Line flow pressure 0.5 – 10 bar.
Important: the line flow pressure must not be less than 0.5 bar. – If the line flow pressure is above 10 bar provide pressure reducer
at source.
– Connect the union nut "A" (
3
/4") of the water supply hose to the site
shut off valve. – Do not kink or cut the supply hose. If an extended supply hose is
required, use one of the same specifications as the original.
2 INSTALLATION
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2.4 STEAM CONNECTION (STEAM HEATED MACHINES ONLY)
Must be carried out by an authorized technician according to the local and national codes.
– Connection to steam supply (DN 20),
0.5 - 3.5 bar (max. 150°C) at the machine. See data plate!
– Dimension of steam and condensate piping has to be according to the
requirements.
– The machine is equipped with all necessary fittings. – Make sure that permissible pressures and temperatures will not be
exceeded.
– All pipework has to be insulated with water and heat resistant material.
2.5 ADJUSTMENT OF SHUT-OFF VALVE FOR STEAM SUPPLY
– The built-in shut-off valve is equipped with an adjustment device (A) to
limit the steam flow rate. A special tool is necessary for adjusting the valve-seat.
– The correct adjustment is very important particularly for higher pres-
sure, and therefore must be done by a HOBART trained service techni­cian at first installation or after any changes are done at the customer site.
– The adjustment is correct if the heating-up time of the boiler is as long
as the shortest wash cycle, while the valve is opened to maximum.
– If adjusted too far open pressure shocks may occur when the solenoid
valve closes. This could cause damage at the installa tion. If adjusted too far close the required heating-power cannot be achieved.
2.6 DRAIN CONNECTION
– Connection between machine and site drain must not exceed max.
height of 0.80 m.
– Do not place the drain hose loosely on the floor (the hose could be
rubbed through). Fix it at site!
– Do not kink the drain hose.
30°-45°
max. 800 mm
A
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