BLIZZARD
EN
MODELS
1P RV TB
2P RV TB
3P RV TB
ISA S.r.l.
06083 Bastia Umbra - Perugia - Italy
Tel. +39 075 80171 - Fax +39 075 8000900
USE AND MAINTENANCE MANUAL
Via del Lavoro, 5
www.isaitaly.com
BLIZZARD
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CONTENTS
1. NOTES / IMPORTANT NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2 Manufacturer's contact details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2. SAFETY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Personnel training. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Safety devices applied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2.1 Safety devices present . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2.2 Fixed protective devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2.3 Sectioning the electrical power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3 Residual risks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3.1 Risk of contact with parts under stress . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3.2 Fire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3.3 Explosive atmosphere . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3.4 Slipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3.5 Tripping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3.6 Circuit faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Warning signs
2.5 Refrigerant R290 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3. WASTE DISPOSAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4. INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.1 Storage and unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2 Installation, positioning and ambient conditions . . . . . . . . . . . . . . . . . . . . 11
4.3 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5. TECHNICAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.2 Positioning/Levelling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.3 Load limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.4 Product grids load limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.5 Adjustable shelves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6. EQUIPMENT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.1 Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.2 Identifi cation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7. CONTROL PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.1 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.1.1 User interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
8. ROUTINE MAINTENANCE AND REGULAR CHECK . . . . . . . . . . . . . . . . . . 21
8.1 Chiller compartment inside cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8.2 Accessing and cleaning the condensing unit . . . . . . . . . . . . . . . . . . . . . . . 21
8.3 External cleaning operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
9. MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
10. TECHNICAL ASSISTANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
10.1 Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
10.2 List of alarms on the electronic controller
11. WARRANTY TERMS AND CONDITIONS . . . . . . . . . . . . . . . . . . . . . . . . 24
12. ATTACHMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
(if any)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
(if any)
. . . . . . . . . . . . . . . . . . . 24
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The manual contains symbols to attract the reader's attention
and highlight particularly important aspects. The table below
illustrates the meaning of the various symbols used.
Read the instructions manual
Use of protective clothing
Danger: Live electric parts
Request of maintenance or operations to be carried out by qualifi ed
personnel or technical assistance centre
Attention / Danger
Important information
Information
Operations to be performed by two persons
Visual check
Notes / Warnings
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1. NOTES / IMPORTANT NOTES
The content of this manual is of technical nature and is owned by ISA S.r.l.. It is forbidden
to reproduce, circulate or modify all or part of its content without written consent. Any
infringement will be legally pursued.
The manual and the conformity certifi cate are an integral part of the equipment and should
always accompany the product in the event of transferral to a new location or to a new owner.
The user is responsible for the integrity of these documents, for their consultation during
the whole life cycle of the equipment itself. Keep this manual in a safe place. It should be
made available near the equipment for consultation at any time. If lost or destroyed, you
can request a copy of the manual to ISA S.r.l. by specifying the exact model, identifi cation
number and year of manufacturing. The manual refl ects the manufacturing technology at
the time of supply. The manufacturer reserves the right to modify its products in any way it
deems necessary, with no obligation to update manuals and machines relating to previous
manufacturing batches.
This equipment is not intended for use by persons (including children) with reduced physical,
sensory or mental capabilities or by persons lacking the necessary experience and knowledge,
unless they are supervised by a person responsible for their safety who has instructed them
on how to use the cabinet. Children should be supervised to ensure that they do not play
with the equipment. Always refer to this manual before going ahead with any operation.
Before doing any type of work, disconnect the equipment from the power supply. Any work
on electric and electronic parts or cooling system components should only be carried out by
trained personnel in compliance with current laws.
The Manufacturer cannot be held liable for any injury to persons or animals, or damage to the
product itself in the event of:
• Improper use of the equipment or use of the appliance by unqualifi ed or unauthorised
personnel.
• Failure to comply with current legislation.
• Incorrect installation and/or power supply faults.
• Failure to observe the instructions contained in this Manual.
• Failure to follow the maintenance programme.
• Unauthorised modifi cations.
• Installation of non-original spare parts in the equipment.
• Installation and use of the equipment for purposes other than those for which the
appliance was designed and sold.
• Tampering with or damage to the power supply cable.
Liability for applying the safety instructions contained in this manual is held by the technical
personnel responsible for the intended use of the equipment, who should ensure that
authorised personnel:
• Are qualifi ed to carry out the requested activity.
• Are aware of, and carefully comply with, the instructions contained in this document.
• Are aware of, and apply, the general safety standards applicable to the equipment.
Failure to comply with safety standards may result in injury to personnel and damage to the
equipment components and control unit. The user can contact the dealer to request additional
information not contained in this document, or suggest improvements, at any time.
Before the product is delivered to the customer, it is essential that a trained technical
member of staff checks that the equipment is operating correctly in order to achieve
maximum performance.
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1.1 Introduction
ISA S.r.l. employs materials of the best quality and as they enter the company , we constantly
monitor their storage and the use as part of the manufacturing process to prevent damage,
deterioration and failure. All manufacturing elements are designed and manufactured in order
to guarantee reliability and high safety standards. All equipment is subjected to a strict testing
procedure before delivery. However, please bear in mind that product performance over time
depends on correct use and adequate maintenance. This manual contains the necessary
instructions to maintain the equipment's initial appearance and functions over time.
Note
So as not to compromise equipment operation and safety, particularly complex installation and
maintenance operations are not described in this manual and are carried out by the manufacturer's
specialised technical personnel.
The Use and Maintenance Manual contains the necessary information for understanding
how the equipment works and how to use it properly, namely: the technical description
of the various operational units, equipment and safety systems, operations, how to use
the instruments and the interpretation of any diagnostics reports, main procedures and
information relating to routine maintenance. For correct use of the equipment, the working
environment should comply with current health and safety standards.
The safety requirements, indications, standards and notes illustrated in the various chapters
of this manual are aimed at establishing a code of conduct and a series of obligations to
be observed when performing the various activities, in order to create safe conditions for
personnel, the equipment and the surrounding environment. The safety standards reported
in this document are intended for trained, authorised personnel responsible for:
- Transport
- Installation
- Operation
- Management
- Maintenance
- Cleaning, decommissioning and disposal which are the only intended uses of this equipment
Attention
Reading this manual, albeit in full, is no substitute for adequate user experience. therefore it should
only be considered a useful reminder of the technical features and the main operations to perform.
Warning
Installers and users are obliged to read and understand all the instructions contained in this document
before using the equipment.
1.2 Manufacturer's contact details
ISA S.r.l.
Via del Lavoro, 5
06083 - Bastia Umbra - Perugia - Italy
Tel. +39 075 80171
Fax +39 075 8000900
www.isaitaly.com
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2. SAFETY
The buyer is responsible for training personnel using the appliance on the risks, safety devices
and general health and safety rules required by the laws of the country where the equipment is
installed.
Users/operators should be aware of the position of all the controls and how they work, as well as
of the features of the equipment.
They should also read this manual in its entirely .
Maintenance work should be conducted by qualifi ed personnel after the equipment has been
prepared adequately .
Danger
Tampering with or unauthorised replacement of one or more parts of the equipment, applying accessories that modify its use and fi tting spare parts other than recommended ones may result in
accident risks.
Danger
Before doing any type of work, the equipment must always be disconnected from the power supply.
Any work on electric parts or cooling system components should only be carried out by
trained personnel in compliance with current laws.
2.1 Personnel training
The buyer is responsible for ensuring personnel who will use the equipment and
maintenance technical staff are instructed and trained adequately.
The manufacturer is available for advice, clarifi cations, etc. so that the operator and
technical staff can use the equipment correctly.
Attention
The equipment is intended for professional use.
2.2 Safety devices applied
The Equipment is equipped with the following safety devices:
2.2.1 SAFETY DEVICES PRESENT
2.2.2 FIXED PROTECTIVE DEVICES
2.2.3 SECTIONING THE ELECTRICITY SUPPLY
2.2.1 Safety devices present
Devices which operation prevents risk situations in operation conditions verifying (e.g.
fuses, pressure switches, protective devices, circuit breakers, etc.).
2.2.2 Fixed protective devices
Fixed protective devices consist of fi xed perimeter shields, which are used to prevent
external parts from entering the equipment.
Danger
It is strictly forbidden to start up the equipment after maintenance work without refi tting the panelling
properly.
Attention
You should check the integrity of fi xed panels and corresponding fi xings to the frame, focusing in
particular on the protective panels.
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2.2.3 Sectioning the electricity supply
Before conducting any maintenance work on the equipment or part of it, it is necessary to
section the power supply that powers it.
Danger
Please remember to fully disconnect the equipment from the power supply in the event of maintenance
work during which the operator cannot prevent any accidental closure of the circuit by other people.
2.3 Residual risks
During design the manufacturer examined all the areas or parts at risk. Therefore, all
necessary precautions have been taken to prevent risks to persons and damage
to the equipment as mentioned earlier.
Attention
Periodically check that all safety devices are operating correctly.
Do not remove the fi xed protective devices.
Do not introduce foreign objects or tools into the operational and working area.
Although the equipment is fi tted with the aforementioned safety devices, there are still
some risks that cannot be eliminated, but reduced via corrective actions by the fi nal
integrator and correct operational procedures.
Below is a summary of the remaining risks associated with the equipment during:
- Normal operation
- Adjustments and tweaking
- Maintenance
- Cleaning
2.3.1 Risk of contact with live parts
Risk of breaking or damaging the electrical components of the equipment, with a possible
reduction in safety levels, following a short circuit.
Before connecting the electricity supply, make sure there is no ongoing maintenance work.
Attention
Before making the connection, check that the d/c electricity at the point of installation is no higher than
the value indicated on the protective switches on the fuse box. if it is, the user is responsible for fi tting
the relevant limiting devices.
It is strictly forbidden to conduct any electrical modifi cation, in order to prevent additional unforeseen
hazards and risks.
2.3.2 Fire
Danger
In the event of a fi re, immediately disconnect the master switch from the main power supply line.
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2.3.3 Explosive atmosphere
The equipment must not be located in an area classifi ed as an explosion risk according to
1999/92/EC such as:
Zone 0
An area in which there is a permanent, long-lasting or frequently explosive atmosphere
made up of a mixture of air and fl ammable substances in the form of gases, fumes or
steam.
Zone 1
An area in which the formation of an explosive atmosphere, made up of a mixture of air and
fl ammable substances in the form of gases, fumes or steam is occasionally probable during
normal activities.
Zone 20
An area in which there is a permanent, long-lasting or frequently explosive atmosphere in
the form of clouds of combustible dust in the air.
Zone 21
An area in which the formation of an explosive atmosphere in the form of clouds of
combustible dust is occasionally probable during normal activities.
2.3.4 Slipping
Any leaks in the areas surrounding the equipment may cause personnel to slip.
Check that there are no leaks and keep these areas clean at all times.
2.3.5 Tripping
Generally untidy deposits of material may constitute a tripping hazard and a total or partial
obstruction of emergency exit routes.
You should ensure that operating and transit areas and emergency exit routes are free from
obstacles in compliance with current legislation.
2.3.6 Circuit faults
Owing to potential faults, safety circuits may become less effective, which results in lower
safety levels.
You should check the oper ational condition of the present safety devices regularly.
2.4 Warning signs (if any)
Owing to the presence of various residual risks identifi ed, the equipment is fi tted with
hazard, warning and obligation signs devised in compliance with regulations relating to
graphical symbols for use on systems.
The signs are located in clearly visible positions.
Attention
It is strictly forbidden to remove the warning signs on the equipment.
The user is responsible for replacing warning signs that, owing to wear, become unreadable.
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2.5 Refrigerant R290
This equipment contains a small amount of R290 refrigerant, an environmentally
compatible gas, but one that is highly fl ammable. Be very carefully during transport,
installation of the equipment and disposal to not damage the refrigerant circuit pipes.
Maintenance must be performed by qualifi ed personnel who have been trained and
authorised to work with fl ammable refrigerants.
IN THE EVENT OF DAMAGE:
Keep the equipment far from fl ames or sources of ignition. Ventilate the room for several
minutes. Turn the equipment off and disconnect the power supply cord. Inform customer
service. The more refrigerant the equipment contains, the bigger the room must be where
the equipment is installed. In rooms that are too small, a fl ammable mixture of air and gas
can form in the event of leakage. The volume of the room where the equipment is
located must be at least 19 m³ for each chiller system present.
USE:
Never use electrical equipment inside this equipment. Do not damage the refrigerant
circuit. Do not use mechanical devices or other means to accelerate the defrosting process
other than those recommended by the manufacturer. Keep the ventilation openings in the
equipment housing or structure free of obstructions.
DANGER OF EXPLOSION:
Do not store products containing combustible gas propellents and explosive substances
inside the equipment.
INSTALLATION OF THE EQUIPMENT:
A dry, ventilated area is best for installation. The installation area must not be exposed
to direct sunlight and must not be near heat sources such as stoves, heaters, etc. If
installation next to a heat source is unavoidable, use a suitable insulating panel.
ELECTRONIC CONTROL UNIT:
The set-up for refrigerant R290 control unit must only be replaced with ISA supplied
original spare part.
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3. WASTE DISPOSAL
During normal operation, the equipment does not generate any environmental
contamination. At the end of its life cycle, or if it is necessary to proceed to permanent
decommissioning, we recommend following the procedures below:
DISPOSAL (User)
The symbol, applied to either the product or its packaging, indicates that the product should
not be considered as normal domestic waste, but should be taken to a waste collection point
for the recycling of electrical and electronic appliances. The correct disposal of this product
helps to prevent potential negative consequences that might derive from inadequate product
disposal. For detailed information about recycling this product, contact your council, your local
waste collection service or the store where you purchased the product.
END-OF-LIFE DISPOSAL AND RECYCLING PROCEDURES
FOR THE EQUIPMENT
1. Switch off the equipment and unplug the power supply cable.
2. Remove the lamps (if installed). These should be disposed of separately.
3. Remove the control boards and the electronic cards. These should be disposed of
separately.
4. Remove all the independent parts (grids, casings, profi les, etc.) and group them
according to shared features in order to access the heat exchangers, pipes, cables, etc. and
be careful not to damage the cooling circuit.
5. Remove all mobile parts (doors, sliding doors, glass parts, etc.) and group the various
materials according to their features.
6. Check the type of coolant on the label located inside the counter. Remove the coolant
and dispose of it through authorised services.
7. Disconnect the evaporator, condenser, compressor, pipes and fans. These are made of
copper, aluminium, steel and plastic and should therefore disposed of separately.
8. Once all the guardings and the various parts of the frame have been removed, separate
the various types of material they are made from (plastic, metal sheets, polyurethane,
copper, etc.) into groups according to their features.
(Authorised Bodies)
All recyclable materials and waste should be processed and recycled by professionals, in
compliance with the laws of the country in question.
The company responsible for recycling the materials should be registered and certifi ed as a
waste disposal service in accordance with the specifi c directives of the country in question.
Attention
Illegal disposal of the product by the owner will result in administrative sanctions as required by current laws.
Disposal of the product should comply with current laws on the disposal of coolant liquids and mineral
oils.
Important
If there is no symbol representing a barred dustbin on the equipment, this means that the manufacturer is not responsible for taking care of the disposal of the product. In this case, again, current
waste disposal laws should be complied with.
Additional information
Further information on the disposal of liquid coolant, oils and other substances is available on the safety
data sheet corresponding to the substance itself.
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4. INSTALLATION
This manual provides information on how to unpack,
position and connect to the power supply.
4.1 Storage and unpacking
The equipment, with or without the packaging, should be carefully stored inside warehouses
or in areas away from the elements and direct sunlight, at a temperature between 0 and
+40°C.
The equipment should only be moved by qualifi ed personnel operating forklift trucks, the
power of which should be suited to handling the weight of the product: during this operation
the equipment MUST be placed on the special pallet supplied.
Unpack the equipment by removing the screws fi xing it to the pallet.
All packaging materials are recyclable and should be disposed of in accordance with local
regulations. Please destroy "plastic" bags to prevent them from becoming hazardous to
children (suffocation).
4.2 Installation, positioning and ambient conditions
Attention
There should be a good air fl ow around the compressor and condensing unit. Therefore the area
around the unit should not be obstructed by boxes or other objects.
Position the equipment away from sources of heat (radiators, all types of ovens, etc.), and awa y from
draughts (generated for example by fans, air conditioning ducts, etc.).
Also avoid direct exposure to sunlight, or anything that causes the temperature inside the cabinet to
rise with detrimental results to unit operation and energy consumption. Do not use the equipment
outdoors and do not leave it exposed to rain.
4.3 Electrical connection
Attention
Check that the voltage indicated on the appliance is the same as the value on the appliance
identifi cation label and in the table provided in paragraph 2 of this manual, and check that the
required voltage is suitable.
Check on the socket that the power supply voltage provides rated voltage (±10%) when the
compressor is started.
The plug should be directly connected to the electrical socket. It is forbidden to connect the plug to
the socket by means of multiple socket extensions or adaptors.
The electrical system socket must be fi tted with a disconnecting device from the mains (rated for the
load and conform to current standards) to guarantee full disconnection in overloads category III (3)
and ensure protection of the circuits from earth faults, overloads and short circuits.
Do not route the electricity cable in passageways.
Attention
Earthing is necessary and mandatory by law.
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5. TECHNICAL SPECIFICATIONS
This equipment is exclusively intended to display and sell pre-packaged ice creams
and frozen products.
The manufacturer is not liable for injury to persons or damage to property or the equipment
itself caused by the displaying of products other than those described above.
Attention
- Food preservation.
- Displaying and/or preserving non-food products (chemicals, pharmaceuticals, etc).
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5. TECHNICAL SPECIFICATIONS
1P 2P 3P
RV TB RV TB RV TB
Lenght mm
External dimensions
Refrigeration Ventilated
Defrosting Hot Gas
Climate class
Environmental conditions
Product class L1
Safety class (CEI EN 60335-2-89)
Refrigerant R404A R290 R404A R290 R404A R290
Power supply
Electric absorption
Electric absorption
Weight (net)
Depth mm
Heght mm
N°
°C / %RH
N° / °C
V / ph / Hz
Standard W / A
Defrosting W / A
Kg
680 / 3.9 1000 / 4.8 1360 / 7.7 2000 / 9.5 2040 / 11.6 3000 / 14.3
670 1340 2010
885
2071
3
25 / 60
5 / 43 ± 2°C
230 / 1 / 50
980 / 5 1080 / 4.6 1960 / 9.9 2150 / 9.2 2940 / 14.8 3220 / 13.8
170 310 490
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5.1 Installation (Technical dimensions mm)
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Attention
The distances indicated for correct equipment installation must be respected.
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5.2 Positioning/Levelling
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Warning
The equipment is set-up with four (4) levelling feet adjustable in height.
It is absolutely necessary after placement, to stabilise the equipment to the fl oor.
EN
5.3 Load limits
Attention
It is essential not to exceed the indicated load limits in order to prevent altering the correct air fl ow and
thus avoid higher product temperatures.
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5.4 Product grids load limits (kg product)
Attention
The load limits indicated for each shelf must be respected to avoid their deformation or breaking.
5.5 Adjustable shelves
Attention
The shelves are adjustable in height with the equipment rack system and tilt in three (3) different
positions: 0 °, 10 ° and 20 °.
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6. EQUIPMENT DESCRIPTION
To ensure the operator's safety, equipment devices should be kept in constant working order. This
manual is intended to illustrate the use and maintenance of the equipment. The operator has a
responsibility and duty to carefully observe its instructions.
6.1 Structure
The equipment consist of a single piece of furniture which contains all the operational devices
necessary to make it a professional and effi cient product for its intended use.
The equipment consists of:
• Insulated structure in ecological polyurethane
• LED lighting
• Cooling system at ventilated refrigeration
• Glass door
• Electronic commands panel
• Electrical system
• On board condensing unit
• Height adjustable feet
• Adjustable shelves
6.2 Identifi cation
1 Symbols of Compliance
2
3 Production Order
4 Type
5 Model Name
6 Article
7 Serial Number
8 Production Date
9 - 10
11 Gross Capacity
12 Absorption at Rated Capacity
13 Absorption during Defrosting
14 Absorption of Heating Elements
15 Lamp Power
16 Fuse Value
17 Climate Class
18 Number of Motors
19 Type of Coolant
20 Amount of Coolant
21 Safety Class
22 - 23 Customer order
24 WEEE Mark
Identifi cation
of Company
Product Manager
Power supply
Voltage and Frequency
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7. Control panel
1 Electronic Control Unit
2 Lighting Switch
3 Equipment switch
7.1 Start-up
Activate the mains system master switch.
Plug the socket supplied by the customer,
ensuring that the plug is fi tted with an earth
contact and that there are no multiple sockets
connected to it.; press switch (3) to switch on
the appliance.
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7.1.1
User Interface
Attention
The electronic control board is installed already programmed. Any changes to the control
board settings can be carried out exclusively by qualifi ed technical personnel.
At start-up, the instrument conducts a LAMP TEST for a few seconds. The display and LEDS
fl ash to verify their integrity and to ensure they are working correctly.
KEYS
UP
Scrolls menu options
Increases the values
Activates manual defrosting
DOWN
Scrolls menu options
Decreases the values
STAND-BY (ESC)
Goes back one level compared to current menu
Confi rms parameter value
Activates the Stand-by function
Output
SET (ENTER)
Accesses the Setpoint
Accesses the programming menu
Confi rms input commands
Displays alarms (if any)
LED
COMPRESSOR or RELAY 1
ON for compressor on
Flashing for delay, protection or blocked activation
ADDITIONAL
ON for defrosting in progress
Flashing for manual activation
EN
ALARM
ON for active alarm
Flashing for silenced alarm
FANS
ON for operating fans
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SET button
Press the SET (ENTER) button and release immediately.
The “Set” label appears.
To view the Setpoint value, press the SET (ENTER) button again.
The Setpoint value will appear on the display.
To change the Setpoint value, press the UP and DOWN buttons within 15 seconds.
To confi rm the new Setpoint value set, press the SET (ENTER) button again.
If 15 seconds passes without any of the buttons being pressed (time-out), or if the STAND-BY (ESC)
button is pressed just once, the last values viewed on the display will be confi rmed and the previous
display will be restored.
Check UP
Alarms are reported by the buzzer (if any) and the LED corresponding to the alarm icon.
Any alarms deriving from broken probe (probe 1) appear directly on the instrument's display and are
indicated by E1.
Any alarms deriving from broken evaporator probe (probe 2) appear directly on the instrument's display
and are indicated by E2
Manual activation of the Defrosting cycle (not applicable)
To manually activate the defrosting cycle, press and hold the UP key for 5 seconds.
If defrosting conditions are not present (for instance the temperature of the evaporator probe is higher
than the temperature at the end of the defrosting process), the display will fl ash three (3) times to
indicate that the operation will not be performed.
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8. ROUTINE MAINTENANCE and REGULAR CHECK
8.1 Chiller compartment inside cleaning
a) Remove the product contained in the chiller compartment and place it immediately in a freezer to
ensure it is preserved correctly. Remove the support grids.
b) Switch off the equipment by pulling the plug from the coupling point voltage.
c) Wait at least 4 to 6 hours until the ice on the evaporator has melted completely, before proceeding
with cleaning the equipment. We recommend waiting until the following day to make sure the product
has been completely defrosted.
d) Wash the bottom of the tank and the sides with a mild detergent, warm water and a cloth or a nonabrasive sponge. Rinse well and dry using a cloth.
8.2 Accessing and cleaning the Condensing Unit
Remove the rear protective grid by loosening the specifi c fi xing screws.
Attention
Clean the condensing unit using a suction brush.
Clean the CONDENSING UNIT using a soft bristle
brush; make sure you do not bend the condensing unit
springs whilst cleaning it.
8.3 External cleaning operations
The external surfaces should be cleaned as follows:
STAINLESS STEEL
Wash with lukewarm water and mild detergents, rinse
and dry using a soft cloth.
ACRYLIC OR POLYCARBONATE SURFACES
Wash with lukewarm water, using a soft cloth or a chamois cloth.
Do not use detergents, alcohol, acetone and solvents.
Do not use abrasive cloths or sponges.
GLASS SURFACES
Only use products specifi cally designed for cleaning glass.
We do not recommend using tap water, which may leave calcium deposits on the surface of the glass.
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9. MAINTENANCE
Any work conducted on the on the equipment MUST involve disconnection from the power socket and in
any case, none of the protective elements (grid, casing) should be removed by non-qualifi ed staff; the
equipment should not be operated when these protective elements have been removed.
The Equipment manager must check and respect the maintenance schedule in the table below by
calling the authorised Technical Assistance service when indicated.
ROUTINE
OPERATION FREQUENCY AUTHORISED
Cleaning the external surfaces Depending upon Use and Necessity User
Cleaning the accessible internal parts
(without the use of tools)
Power supply cable,
electric sockets and/or plugs check
Check the seal gaskets integrity Monthly User
Condenser cleaning Monthly/Six monthly Technical
Check the compressor oil level
(if present)
Air tank draining
(if present)
Check pneumatic connections
(if present)
Check the integrity of chiller system piping Six-monthly Technical
Inspect cables and internal power
connections
Cleaning of condensation absorbing sponges
(if present)
Depending upon Use and Necessity User
Monthly/Six monthly User
Six-monthly Technical
Six-monthly Technical
Six-monthly Technical
Six-monthly Technical
Six-monthly Technical
PERSONNEL
Assistance
Assistance
Assistance
Assistance
Assistance
Assistance
Assistance
EXTRAORDINARY
OPERATION AUTHORISED
Replacing lamps/LED
(if present)
Replacing control panel
(electronic control board - thermostat - etc.)
Replacing power supply cable,
electric sockets and/or plugs check
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Technical
Assistance
Technical
Assistance
Technical
Assistance
EN
22
10. TECHNICAL ASSISTANCE
10.1 Faults
If the appliance is not working properly or stops working, before contacting the Customer Support
Centre, check the following:
FAILURE CAUSE SOLUTION
The appliance is not
working
The internal
temperature
is not low
enough
The
compressor
does not
work or
works only
for
a few
moments
Blown protective fuse Find what triggered the
The master switch is open Close the master switch.
Plug is not inserted Insert the plug.
Power cut If the power cut persists,
Evaporator(s) completely blocked
by ice
The wrong temperature has been
set on the electronic control board
The equipment is affected by
draughts or is exposed to direct or
refl ected sunlight
Insuffi cient cooling air fl ow in the
air condensing unit
The internal fans have stopped
or their blades are damaged
Internal ventilation is too high Contact the Technical Assistance service.
Low electronic control board ef-
fi ciency
Air condensing unit blocked by dust
or debris
Insuffi cient coolant
in the cooling system
No power supply Check if there is a power cut.
The power supply voltage is too
low
The temperature set on the
thermostat is too high
The pressure switch
activated at maximum pressure
(if any) was
switch and subsequently replace the fuse.
transfer the product to a freezer.
Carry out an additional defrosting cycle.
Set the right temperature.
Eliminate any excessive draughts and prevent any direct or refl ected sunlight.
Remove anything that may affect air fl ow inside the condensing
unit (paper sheets, cardboard, grids with an insuffi cient number
of holes, etc.).
Contact the Technical Assistance service.
Contact the Technical Assistance service.
Replace electronic control unit. If set-up for coolant R290, the
control unit must only be replaced with ISA supplied original
spare part. Replace the temperature probes only after checking
which of the two is not operating effi ciently.
Contact the Technical Assistance service.
Clean the condensing unit thoroughly.
Contact the Technical Assistance service
Find the cause behind the lower amounts of coolant and eliminate
it. Top up the coolant. If necessary, empty the system before
topping up.
Close the various switches on the power supply line.
Check that the mains voltage at the ends of the power supply
cable is 220V +/- 10%.
If the set temperature is higher than that of the air in the display
area, the compressor does not activate itself.
Set a more suitable temperature if the current value is not low
enough.
Contact the Technical Assistance service.
Check the reasons why the pressure switch is operating at
maximum pressure levels, such as: air condensing unit blocked,
condensing unit fan stopped, ambient temperature too high,
pressure switch broken.
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10.2 List of alarms on the electronic controller (if any)
ALARM DESCRIPTION SOLUTIONS
P1
Broken thermostat probe.
Compressor trip with “CON” and “COF"
E0
P2
parameters
Broken evaporator probe.
Set time for defrosting
E1
HA
High temperature alarm
HI
LA
Low temperature alarm
LO
EA
External alarm
IA
CB
ETc
Real time clock is broken
RTF
EE Machine parameter error
EF Operating parameters error
Contact the Technical Assistance service.
The alarm starts a few seconds after the probe breaks
down; it stops a few seconds after the probe starts
working again properly.
We recommend checking the probe connections before
replacing it.
Contact the Technical Assistance service.
The alarm starts a few seconds after the probe breaks
down; it stops a few seconds after the probe starts
working again properly.
We recommend checking the probe connections before
replacing it.
Contact the Technical Assistance service.
The alarm stops automatically after reaching of set
temperature.
Check the settings.
Contact the Technical Assistance service.
The alarm stops automatically after reaching of set
temperature.
Check the settings.
Contact the Technical Assistance service.
The external alarm stops after the digital infeed is deactivated.
It should be automatically restarted.
The alarm is activated when the pressure switch and/or
the compressor's circuit breaker (if present) is activated.
Contact the Technical Assistance service.
Reset the clock.
If the alarm does not stop, replace the clock.
Contact the Technical Assistance service.
The instrument is damaged. It should be replaced.
Contact the Technical Assistance service.
The instrument is damaged. It should be replaced.
11. WARRANTY TERMS AND CONDITIONS
The seller's warranty on the equipment is valid for 12 (twelve) months from the date of
delivery.
The warranty includes repairs or replacements of any faulty parts due to manufacturing
processes or installation after written communication has been received, stating the
equipment serial number and date of installation.
All defects caused by incorrect use of the equipment, inappropriate electrical connection,
normal wear (for instance compressor failure and fl uorescent lamp malfunctioning that is
not due to manufacturing defects), as well as calls for installation, technical instructions,
adjustments and cleaning, are not included in the warranty.
If the seller's technical staff detect any tampering, unauthorised repairs or inappropriate use
of equipment the warranty will be invalidated.
Shipment of components covered by the warranty is freight collect only.
Any damage to the equipment detected at the time of delivery due to transport must be
reported on the same shipping note to claim compensation from the carrier.
The seller cannot be held liable in the event of damage to the preserved product due to
refrigerated cabinet failure.
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12. Attachments
N°
1
Electrical diagram 412100164000 1P RV TB 26
2
Electrical diagram 412100165100 2P RV TB 27
3
Electrical diagram 412100166100 3P RV TB 28
4
Declaration of conformity 29
Code Model Page
EN
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Attachments 1 - ELECTRICAL DIAGRAM - 412100164000
BT1 Temperature probe
BT2 Defrosting probe
CE1 Electronic control unit
EH1 Outside perimeter heating resistor
EH2 Door frame heating resistor
EH3 Heating resistor glass
EV1 Evaporator fan
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EV2 Condenser fan
HL1 LED lamp
HL2 LED lamp
MS1 Compressor
QS1 Main switch
QS2 Lighting switch
SQ1 Door microswitch
T1 Transformer
XS1 Plug power supply
YV1 Defrosting solenoid valve
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Attachments 2 - ELECTRICAL DIAGRAM - 412100165100
EN
HL2 LED lamp
HL3 LED lamp
KT1 Delay relay
BT1 Temperature probe
BT2 Defrosting probe
CE1 Electronic control unit
MS1 Compressor 1
MS2 Compressor 2
QS1 Main switch
QS2 Lighting switch
SQ1 Door microswitch
SQ2 Door microswitch
T4 Transformer
XS1 Plug power supply
YV1 Defrosting solenoid valve
EH1 Outside perimeter heating resistor
EH2 Door frame heating resistor
EH3 Heating resistor glass
EH4 Door frame heating resistor
EH5 Heating resistor glass
EV1 Evaporator fan
EV2 Condenser fan
EV3 Evaporator fan
EV4 Condenser fan
YV2 Defrosting solenoid valve
HL1 LED lamp
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Attachments 3 - ELECTRICAL DIAGRAM - 412100166100
EV1 Evaporator fan
EV2 Evaporator fan
EV2 Condenser fan
EV3 Evaporator fan
EV5 Condenser fan
EV6 Condenser fan
BT1 Temperature probe
BT2 Defrosting probe
CE1 Electronic control unit
EH1 Outside perimeter heating resistor
EH2 Door frame heating resistor
EH3 Heating resistor glass
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GD1 Power supply
GD2 Power supply
HL1 LED lamp
HL2 LED lamp
EH4 Door frame heating resistor
EH5 Heating resistor glass
EH6 Door frame heating resistor
EH7 Heating resistor glass
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SQ2 Door microswitch 1
SQ3 Door microswitch 3
T1 Transformer
T2 Transformer
XS1 Plug power supply
HL3 LED lamp
HL4 LED lamp
KT1 Delay relay
KT2 Delay relay
MS1 Compressor 1
YV1 Defrosting solenoid valve
YV2 Defrosting solenoid valve
YV3 Defrosting solenoid valve
MS2 Compressor 2
MS3 Compressor 3
QS1 Main switch
QS2 Lighting switch
SQ1 Door microswitch
EN
Attachment 4 - DECLARATION OF CONFORMITY
DECLARATION OF CONFORMITY
We: ISA S.r.l.
Via del Lavoro, 5 - 06083 - Bastia Umbra (PG)
declare under our own responsibility, that the product:
Product: BLIZZARD
Serial number: .....
To which this declaration refers, is in compliance with e following:
General electric safety Standard EN 60335-1/Ed.2002+Modifi cations A11:2004,A1:2004,A12:2006,A2:2006 + A13:2008
A15:2011. Particular requirements for commercial refrigerating appliances EN 60335-2-89/Ed.2010. Standard for Measuring Electromagnetic Fields (EMF) of Electrical Appliances EN 62233:2008, Directive 2006/95/EC of the European Parliament and the Council of 12th
December 2006 on the harmonisation of the Laws of Member States relating to electrical equipment for use within certain voltage limits
EN 62471/Ed.2009 Photo-biologic safety of lamps and lamp systems
ELECTROMAGNETIC COMPATIBILITY (EMC)
Limits and methods of measurement of radio interference characteristics of household appliances and similar motor-operated and
thermal appliances, of equipment, electrical appliances and similar equipment EN 55014-1 (valid until 2009: Ed.2000+Amendments
Minimum requirements for household appliances, tools and similar electrical appliances EN 55014-2 (Ed.1997+Amendment A1:2001)
Part 3: Limits – Section 2: Limits for harmonic current emissions (equipment input current=16A per phase)
EN61000-3-2 (valid until 2009:Ed.2000+Modifi cation A2:2005-or:Ed.2006) Part 3:Limits-Section 3:Limitation of voltage fl uctuations and
fl icker in low-voltage supply systems for equipment with rated current=16A EN61000-3-3 (Ed.1995+Modifi cations A1:2001,A2:2005)
Part 4:Testing and measurement techniques Section 2:Electrostatic discharge immunity test EN61000-4-2 (Ed.1995) Part 4:Testing and
measurement techniques Section 4: Electrical fast transient/burst immunity test EN61000-4-4 (Ed.1995)
PRESSURE EQUIPMENT DIRECTIVE (PED) 97/23/EC
As the equipment falls into a class lower than I, it is excluded from the PED’s application fi eld (art.1 par.3.6)
Regulation (CE) N.1935/2004 of the European Parliament and of the Council dated 27 October 2004 Regulation (CE) N.2023/2006 of
the Council dated 22 December, Directive 2008/39/CE of the Council dated 6 March 2008 Directive 2007/19/CE of the Council dated 30
March 2007 Directive 2005/79/CE of the Council dated 18 November 2005 Directive 2004/19/CE of the Council dated 10 March 2004
Directive 2004/1/CE of the Council dated 6 January 2004 Regulation (UE) 10/2011 of the Council dated 14 January 2011
Directive 2011/95/EC of the European Parliament and of the Council of 8th June 2011
Directive 2002/96/EC of the European Parliament and of the Council of 27th January 2003
Regulation (CE) n. 1907/2006 of the European parliament and council dated 18 December 2006 concerning the recording, evaluation,
authorisation and restriction of the chemical substances (REACH), which establishes a European Agency regarding chemical substances,
which modifi es the Directive 1999/45/CE and that repeals the Regulation (CEE) n. 793/93 of the Council and the regulation (CE) n.
1488/94 of the Commission 91/155/CEE, 93/105/CE and 2000/21/CE
SUBSTANCES THAT REDUCE THE OZONE LAYER
Regulation (CE) N. 1005/2009 dated 16 September 2009 (Offi cial Journal (OJ) of the European Union 31/10/2009 L286)
According to the requirements set by Directives: 2006/95/EC, 2004/108/EC, 2006/42/EC, 97/23/EC
MACHINERY SAFETY
A1:2001, A2:2002 - or: Ed.2006)
FOODSTUFF COMPATIBILITY
ROHS and WEEE
REACH
The person authorised to draw-up the Technical Folder is Mr. Minelli Maurizio (Technical Department Manager)
Bastia Umbra: 03 / 02 / 2015
(place and date of issue) Minelli Maurizio
Via del Lavoro 5 - 06083 Bastia Umbra (PG)
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