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MT 1
Installation Manual
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Nutrifaster MT 1, MT UL AF Installation Manual

MT UL AF
ENGLISH
ENGLISH
ESPAÑOL
OPERATOR’S MANUAL MANUAL DE INSTRUCCIONES
MT UL AF
TABLE OF CONTENTS
1 TECHNICAL CHARACTERISTICS ........................................................................................................... ....... 4
2 INTRODUCTION .............................................................................................................................................. 4
3 INSTALLATION ............................................................................................................... ... .............................. 4
4 TO OPERATE SAFELY ................................................................................................................................... 4
5 OPERATING PROCEDURES ................................................................................................................... ....... 5
5. 1 DESCRIPTION OF CONTROLS .................................................................................................. ... ....... 5
5. 2 OPERATION HELPFUL HINTS ................................................................................................... ... ....... 6
5. 3 CLEANING AND SANITIZING PROCEDURES ..................................................................................... 6
5. 3. 1 DISASSEMBLY ......................................................................................................................... 7
5. 3. 2 CLEANING ................................................................................................................ ................ 8
5. 3. 3 SANITIZING ............................................................................................................ ................... 8
5. 3. 4 ASSEMBLY ............................................................................................................................... 8
5. 4 IN-PLACE SANITIZATION ..................................................................................................................... 9
6 ROUTINE MAINTENANCE .............................................................................................................................. 9
6. 1 MAINTENANCE (TO BE CARRIED OUT BY QUALIFIED SERVICE PERSONNEL ONLY) ............... 10
7 DEFROST TIMER .......................................................................................................................................... 10
8 AUTOFILL DEVICE ........................................................................................................................................ 10
8. 1 INTRODUCTION .................................................................................................................................. 10
8. 2 INSTALLATION .................................................................................................................................... 11
8. 3 OPERATING PROCEDURES .............................................................................................................. 11
8. 3. 1 DESCRIPTION OF CONTROLS ............................................................................................. 11
8. 3. 2 OPERATIONAL HELPFUL HINTS .............................................................. ... ......................... 12
8. 3. 3 IN-PLACE SANITIZATION ...................................................................................................... 12
8. 4 ROUTINE MAINTENANCE .................................................................................................................. 13
ENGLISH
ENGLISH
ESPAÑOL
INDICE GENERAL
1 CARACTERISTICAS TECNICAS ................................................................................................................. 14
2 INTRODUCCION ........................................................................................................................................... 14
3 INSTALACIÓN ............................................................................................................................................... 14
4 PARA UN FUNCIONAMIENTO SEGURO ..................................................................................................... 15
5 INSTRUCCIONES DE EMPLEO ................................................................................................................... 15
5. 1 DESCRIPCION DE LOS MANDOS ..................................................................................................... 15
5. 2 SUGERENCIAS ................................................................................................................................... 16
5. 3 LIMPIEZA ............................................................................................................................................. 17
5. 3. 1 DESMONTAJE ........................................................................................................................ 17
5. 3. 2 LAVADO .................................................................................................................................. 18
5. 3. 3 HIGIENIZACION DEL DISTRIBUIDOR DESMONTADO ........................................................ 18
5. 3. 4 REMONTAJE ........................................................................................................................... 19
5. 4 HIGIENIZACION DEL DISTRIBUIDOR MONTADO ............................................................................ 20
6 MANUTENCION ............................................................................................................................................ 20
6. 1 MANUTENCION (SOLAMENTE POR EL SERVICIO POSTVENTA) .................................................. 20
7 CONTADOR DE DESCONGELACION .......................................................................................................... 20
8 SISTEMA DE RECARGA AUTOMATICA ...................................................................................................... 21
8. 1 INTRODUCCION ................................................................................................................................. 21
8. 2 INSTALACION ..................................................................................................................................... 21
8. 3 PROCEDIMIENTO PARA EL FUNCIONAMIENTO ............................................................................. 22
8. 3. 1 CONTROLES .......................................................................................................................... 22
8. 3. 2 CONSEJOS UTILES ............................................................................................................... 22
8. 3. 3 HIGIENIZACION ...................................................................................................................... 23
8. 4 MANUTENCION ................................................................................................................................... 23
U.S.A. 4,900,158 U.S.A. 5,713,214 U.S.A. 4,696,417 U.S.A. 5,906,105
Ugolini spa 3
MT UL AF
1 TECHNICAL CHARACTERISTICS
MT 1P
MT 1
Transparent removable bowls n 1 1 2 3 Capacity of each bowl, approx. l 10 10 10 10 Dimensions:
width cm 18 28 36 54
depth cm 47 47 47 47
height cm 69 69 69 69 Net weight, approx. kg 26 26 37 49 Gross weight, approx. kg 29 29 40 54 Adjustable thermostats n 1 1 2 3 Hermetic compressor Air-cooled condenser Overload protector Safety pressure switch Noise level lower than 70 dB (A)
MT 2
IMPORTANT
Read electrical ratings written on the data plate of the individual units; the data plate is adhered on the dispensing side panel of the unit, just be hind the drip tray (the right side drip tray in multiple bowl models). The serial number of the unit (preceded by the symbol #) is adhered inside the left switch box. Data plate specifications will always supersede the information in this manual.
2 - Inspect the uncrated unit for any possible damage. If
damage is found, call the deliverin g carrier imme diately to file a claim.
3 - Install the unit on a counter top that will support the
MT 3
combined weight of dispenser and product bearing in mind what is stated in the preceding point 1 IMPORTANT warning.
4 - A minimum of 15 cm (6”) of free air space all around the
unit should be allowed to guarantee adequate ventilation.
5 - Ensure that the legs are screwed tightly into the base of
the machine. Replace the standard legs originally installed with the 100 mm (4”) legs whenever they are provided with the unit.
6 - Before plugging the unit in, check if the voltage is the same
as that indicated on the data plate. Plug the unit into a grounded, protected single phase electrical supply according to the applicable electrical codes and the specifications of your machine. When the unit has no plug, install a proper grounded plug, in compliance with electrical codes in force in your area, suitable to at least 10 Amp 250 Volt (220-230 Vo lts 50-60 Hz areas) and 20 Amp 250 Volt (100-115 Volts 50-60 Hz areas) applications. Should you prefer to connect the unit directly to the mains, connect the supply cord to a 2-pole wall breaker, whose contact opening is at least 3 mm. Do not
use extension cords.
ATTENTION
Failure to provide proper electrical ground accordi ng to applicable electrical codes could result in serious shock hazard.
7 - Each drip tray has two diaphragm plugs: if a continuo us
drain is needed, perforate one of the drain plugs and connect it to a flexible drain line (see figure 1).
The electric diagram of the dispenser is located in the inner part of the dispensing side panel.
Specifications are subject to change without notice.
2 INTRODUCTION
Please read all sections of this manual thoroughly to familiarize yourself with all aspects of the unit. Like all mechanical products, this machine will require cleaning and maintenance. Besides, dispenser working can be compromised by operator’s mistakes during disassembly an d cleaning. It is strongly recommended that personnel responsible for the equipment’s daily operations, disassembly, cleaning, sanitizing and assembly, go through thes e procedures in order to be properly trained and to make sure that no misunderstandings exist.
3 INSTALLATION
1 - Remove the corrugate container and packing materials
and keep them for possible future use.
IMPORTANT
When handling the machine never grasp it by the bowls or by the evaporator cylinders. The manufacturer refuses all responsibilities for possible damages which may occur through incorrect handling.
figure 1
8 - The unit doesn’t come presanitized from the factory.
Before serving products, the dispenser must be disassembled, cleaned and sanitized. a ccording to this handbook instructions (chapter
5.3 CLEANING AND SANITIZING PROCEDURES).
4 TO OPERATE SAFELY
1 - Do not operate the dispenser without reading this
operator’s manual.
2 - Do not operate the dispenser unless it is properly
grounded. 3 - Do not us e extension cords to connect the dispenser. 4 - Do not operate the dispenser unless all panels are
restrained with screws.
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MT UL AF
5 - Do not obstruct air intake and discharge openings: 15 cm
(6”) minimum air space all around the dispenser.
6 - Do not put objects or fingers in panels louvers and faucet
outlet.
7 - Do not remove bowls, augers and panels for cleaning or
routine maintenance unless the dispenser is disconnected from its power source.
5 OPERATING PROCEDURES
1 - Clean and sani tize the un it according to the instructio ns in
this manual. See chapter 5.3 CLEANING AND SANITIZING PROCEDURES.
2 - Fill the bowls with product to th e maximum level mark. Do
not overfill. The exact quantity of product (expressed as liters and gallons) is shown by marks on the bowl.
3 - In case of products to be diluted with water, pour water into
bowl first, then add correct quantity of product. In case of natural squashes, it is advisable to strain them, in order to prevent pulps from obstructing the faucet outlet.
4 - To obtain the best performance and result, use bases
designed to be run in Granita freezers. Such bases have a sugar content of 34 degrees Baumé corresponding to 64 degrees Brix (equivalent to a specific gravity of about 1.3 kg/liter). For Granita the bases are to be diluted with water on a 1 plus 4/4.5 basis. For soft drinks the bases are to be diluted with more water, on a 1 plus 5/5.5 basis. In any case follow the syrup manufacturer’s instructions for both Granita and soft drink recipes. If natural juices (e.g. lemon, orange) as well as sugarless products (e.g. coffee) are used, dissolve 150 - 200 grams
of sugar per liter.
in switch panels protected by switch covers (see figure 2).
ENGLISH
figure 2
In addition all the models except MT 1 are equipped with an automatic safety pressure switch to prevent damages to the compressor. The lighting of the warning l ight at the left of the switch covers means insufficient ventilation of the unit. In this case check that all around the dispenser there is sufficient space for ventilation, at least 15 cm (6”) on each side and that condenser filter is free from dust or other obstructions. In case the warning light is still ON even after these operations have been carried out, Service call is required. With reference to figure 3 dispenser controls functions are as follows:
IMPORTANT
However Granita mix may be done, its Brix (sugar percent content) must be at least 13.
5 - Install the covers and check that they are correctly placed
over the bowls. The dispenser must always run with the covers installed to prevent a possible contamination of the product.
6 - Set the control switches as shown in chapter
5.1 DESCRIPTION OF CONTROLS.
7 - Always leave the dispenser on, as the refrigeration stops
automatically when Granita reaches the proper thickness. The mixers will continue to turn.
5. 1 DESCRIPTION OF CONTROLS
The dispenser is equipped with a p ower switch and a light switch. In addition each bowl is individually operated by a mixer/refrigeration switch. In fact it is possible to dispense both soft drinks and Granita. When a bowl is in Soft Drink mode the beverage temperature is controlled by the corresponding thermostat. When a bowl is in Granita mode the mix viscos ity is co ntrolle d by the corresponding adjustment screw located in the rear wall of each container (for temperature and viscosity setting make reference to chapter 5.2 OPERATION HELPFUL HINTS). All the switches are located on the faucet side of the dispenser
figure 3
Power switch (A)
0 position : power is turned OFF to all functions. I position : power is turned ON to all functions
and the other switches are enabled. The fan motor runs.
Light switch (E)
0 position : all top cover lights are OFF. I position : all top cover lights are ON, provided
that power switch (A) is set to I.
Mixer/refrigeration switch (B)
I position : mixer and refrigeration ON.
SOFT DRINK mode.
0 position : OFF.
Ugolini spa 5
MT UL AF
II position : mixer and refrigeration ON.
GRANITA mode.
Thermostat (D)
Turn clockwise : to decrease temperature Turn counterclockwise : to increase temperature
To operate the unit: 1 - Set the power switch to I position. 2 - Set the mixer/refrigeration switches as follows:
- to the I position to get soft drink.
- to the II position to get Granita.
3 - Set the light switch to I position.
5. 2 OPERATION HELPFUL HINTS
1 - Granita viscosity adjustment: proper Granita viscosity is
factory preset. To change the viscosity, if needed, use a standard screwdriver to turn the adjustment screw located in the rear wall of each container as follows (see figure 4):
- towards right (clockwise) to obtain a thicker product (the indicator F will go down in opening G).
- towards left (counterclockwise) to obtain a thinner product (the indicator F will go up in opening G).
7 - For good product conservation the dispenser must run
overnight, at least in Soft Drink mode.
If this is not possible and product is left in the bowls
overnight, the mixer/refrigeration switches must be set to
the I position at least one hour before the unit is switched
off. This eliminates any block of iced product forming
overnight, which could result in damage to mixers or to
their motor when the unit is switched back on. In any case,
before the unit is restarted, make sure that no blocks of ice
have been formed; if so, they are to be removed before the
unit is switched on. Overnight operation in drink mode also
eliminates possible ice accumulation from condensation all
around the bowls. 8 - Mixers must not be turned off when frozen product is in the
bowl: if not agitated, the product may freeze to a solid
block of ice. If the mixers are turned back on in this
situation, damage to the mixers and their motor may result.
Therefore, mixers may be restarted only after product is
melted. 9 - The dispenser is equipped with a magnetic coupling by
which the gear motor (located outside the bowl) drives the
mixers (inside the bowl).
The magnetic drive operates as an “intelligent clutch” able
to automatically disconnect the mixers in case they are
seized by ice or other causes.
This inconvenience can be soon noticed since an
intermittent dull noise warns that mixers are still.
In this case it is necessary to unplug immediately the
dispenser, empty the bowl and eliminate the cause of
seizing. 10 -The dispenser must be able to emit heat.
In case it seems excessive, check that no heating source
is close to the unit and air flow through the slotted panels is
not obstructed by wall or boxes. Allow at least 15 cm (6”) of
free clearance all around the dispenser.
In any case if the product in the bowls is frozen and the
safety pressure switch warning light is OFF the unit is
running properly. 11 -Restrictor cap: when the unit is used in Soft Drink mode it
is advisable to install the restrictor cap on the faucet outlet
in order to reduce the drink outflow (see figure 5).
figure 4
2 - Beverage temperature adjustment: proper beverage
temperature is factory preset. To reset, turn the knob located in each switch box as follows:
- towards right (clockwise) to decrease temperature.
- towards left (counterclockwise) to increase temperature.
Note: beverage temperature is controlled by the thermostat only when the mixer/refrigeration switch(es) are in I position, Soft Drink mode.
3 - When the mixer / refrigeration switch(es) are set in I
position, Soft Drink mode, it is possible to manually switch off the refrigeration by turning completely towards left (counterclockwise) the thermostat knob until it clicks.
4 - The length of time for freeze do wn of Granita is governed
by many variables, such as ambient temperature, mix initial temperature, sugar content (Brix level) and viscosity setting.
5 - To shorten Granita recovery time and increase
productivity, it is advisable to pre-chill the product to be used in the dispenser.
6 - To shorten Granita recovery time and increase
productivity, the bowl should be refilled after the product level drops lower than half of the evaporator cylinder and at the start of each day.
5. 3 CLEANING AND SANITIZING
PROCEDURES
1 - Cleaning and sanitizing of the dispenser are
recommended to guarantee the conservation of the best
product taste and the highest unit efficiency. This section
is a procedural guideline only and is subject to the
requirements of the local Health Authorities. 2 - Prior to the disassembly and cleaning, the mach ine must
be emptied of product. To do this proceed as follows:
- set the power switch to I position
- set mixer/refrigeration switch(es) to I position (Soft Drink
figure 5
6 Ugolini spa
MT UL AF
mode)
- place a pail under each faucet and drain all product from bowls
- set all control switches to the 0 position.
5. 3. 1 DISASSEMBLY
ATTENTION
Before any disassembly and/or cleaning procedure make sure that the dispenser is disconnected from its power source.
1 - Remove cover from the bowl. 2 - Remove the bowl by lifting its faucet side up and off the
fastening hooks (see figure 6) and slide it out (see figure
7).
auger (see figure 9).
ENGLISH
figure 8
figure 6
figure 9
4 - Remove the bowl gasket from its seat (see figure 10).
figure 7
3 - Slide the ou ter spiral out (see figure 8 ) and th en the inside
figure 10
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MT UL AF
5 - Dismantle the faucet assembly (see figure 11).
figure 11
6 - Slide the drip tray out and empty it.
3 - Do not immerse the lighted top covers in liquid. Wash them
apart with the cleaning solution. Carefully clean their
undersides. 4 - In the same manner clean the evaporator cylinder(s) using
a soft bristle brush. 5 - Rinse all cleaned parts with cool clean water.
5. 3. 3 SANITIZING
Sanitizing should be performed immediately prior to starting the machine. Do not allow the unit to sit for extended periods of time after sanitization.
1 - Wash hands with a suitable antibacterial soap. 2 - Prepare at least two gallons of a warm (45-60 °C / 120-
140 °F) sanitizing solution (100 PPM availa ble chlorine
concentration or 1 spoon of sodium hypoclorite diluted with
half a gallon of water) according to your local Health
Codes and manufacturer’s specifications. 3 - Place the parts in the sanitizing solution for five minutes. 4 - Do not immerse the lighted top cove rs in liquid. Carefully
wash their undersides with the sanitizing solution.
5. 3. 2 CLEANING
ATTENTION
Before any disassembly and/or cleaning procedure make sure that the dispenser is disconnected from its power source.
IMPORTANT
Do not attempt to wash any machine components in a dishwasher.
1 - Prepare at least two gallons of a mild cleaning solutio n of
warm (45-60 °C / 120-140 °F) potable water and dishwashing detergent. Do not use abrasive detergent. Important: if present, follow label directions, as too strong a solution can cause parts damage, while too mild a
solution will not provide adequate cleaning.
IMPORTANT
In order to prevent any damages to the dispenser use only a detergent suitable with plastic parts.
5 - Place the sanitized parts on a clean dry surface to air dry. 6 - Wipe clean all exterior surfaces of the unit. Do not use
abrasive cleaner.
5. 3. 4 ASSEMBLY
1 - Slide the drip tray into place. 2 - Lubricate faucet piston, inside auger and outer spiral (see
points A, B and C of figu re 12) only with the grea se
supplied by the manufacturer or other food grade
approved lubricant.
2 - Using a brush, suitable for the purpose, thoroughly clean
all disassembled parts in the cleaning solution.
figure 12
ATTENTION
When cleaning the machine, do not allow excessive amounts of water around the electrically operated components of the unit. Electrical shock or da mage to the machine may result.
8 Ugolini spa
3 - Assemble the faucet by reversing the disassembly steps
(see figure 11) 4 - Fit bowl gasket around its seat.
Note: the largest brim of gasket must face against the rear
MT UL AF
wall (see figure 13).
figure 13
5 - Insert the auger into the evaporator taking care to
accompany it to the end so as to prevent it from hitting against the rear wall (see figure 14).
shaft (see figure 15).
ENGLISH
figure 15
7 - Push th e bowl towards the rear wall of the unit until it fits
snugly around the gasket and its front fastening hooks are
properly engaged (see figure 16).
figure 16
8 - Use fresh product to chase any remaining sanitizer from
the bottom of the bowl(s). Drain this solution. Do not rinse
out the machine.
figure 14
6 - Install the outer spiral. Slide it over the evaporator until its
front notch engages with the exposed end of the auger
5. 4 IN-PLACE SANITIZATION
The In-Place Sanitization prior to starting the ma chine may be performed, if needed, only as further precaution, in addition to the Disassembled Parts Sanitization described before, but never in lieu of it. 1 - Prepare two gallons of a warm (45-60°C / 120-140 °F)
sanitizing solution (100 PPM available chlorine
concentration or 1 spoon of sodium hypoclorite diluted with
half a gallon of water) according to your local Health
Codes and manufacturer’s specifications. 2 - Pour the solution into the bowl(s). 3 - Using a brush suitable for the purpose , wipe the solution
on all surfaces protruding above the solution-level and on
the underside of the top cover(s). 4 - Install the top cover(s) and operate the unit. Allow the
solution to agitate for about two minutes. Drain the solution
out of the bowl(s). 5 - Use fresh product to chase any remaining sanitizer from
the bottom of the bowl(s). Drain this solution. Do not rinse
out the machine.
Ugolini spa 9
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