Accorroni LC 16 Manual

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Heaters blowers
LC
16 / 20 / 28 / 40 / 56
TECHNICAL INFORMATIONHeaters blowers LC

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Hanging unit heaters with
horizontal and vertical projection
SERIES “LC” destined for heating
GENERAL INFORMATION for proper installation
It contains all the news related to the description of the devices and their technical characteristics.
TECHNICAL INFORMATION FOR THE INSTALLER
It collects all the technical details and recommendations that the installer must comply with to realize the project.
Important notes for the consultation:
1 For the purposes of a correct and safe use of the device, the designer, the installer, the user and the service
to their respective responsibilities, are required to comply with what is indicated in this manual.
It must be kept for future reference and must accompany the machine for its entire lifespan, including the case
of transfer to third parties.
2 WARNING! Following information that, because of their importance, must be scrupulously observed and for
which non-compliance can result in damage and / or impair the safety of use. The paragraphs highlighted in
bold contain information, warnings or important tips that you should carefully evaluate.
3 The A2B Accorroni E.G. LTD accepts no responsibility for any damage caused by improper use, to a use other
than that prescribed and by an incomplete or approximate application of the instructions contained in this
manual.
4 The technical data, styling characteristics, components and accessories listed in this manual are not binding.
 TheA2BAccorroniE.G.LTDreservestherighttointroduceatanytimewhatevermodicationsdeemed
necessary to the improvement of its product.
5 References to laws, regulations and technical rules mentioned in this manual are for information only and to
be considered valid at the date of printing, as indicated on the last page. The entry into force of new provisions
or amendments to current laws do not constitute grounds for any obligation of the A2B Accorroni
E.G. LTD against third parties.
6 The A2B Accorroni E.G. LTD is responsible for the conformity of his product to laws, directives and construction
standards in force at the time of commercialization. The knowledge and observance of the laws and standards
regarding plant design, installation, operation and maintenance are the exclusive responsibility for their respective
powers, the designer, installer and user.

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INDEX
1.0 MAIN FEATURES ....................................................................................................................... 5
 1.1 Classicationofttings............................................................................................................... 5
 1.2 Certications-CE....................................................................................................................... 5
1.3 Design features ........................................................................................................................... 5
1.4 Contents of the packaging .......................................................................................................... 5
1.5 Accessories supplied on request ................................................................................................ 5
1.6 Application ................................................................................................................................... 5
1.7 Safety Standards.......................................................................................................................... 6
2 0 GENERAL SAFETY ..................................................................................................................... 6
 2.1 InstallerQualication.................................................................................................................... 6
2.2 Power supply ............................................................................................................................... 6
2.3 Use .............................................................................................................................................. 6
2.4 Use of instructions ........................................................................................................................ 6
3 0 HANDLING AND TRANSPORTATION......................................................................................... 7
3.1 Dimensions ................................................................................................................................... 7
4 0 INSTALLATION ........................................................................................................................... 7
4.1 General information - positioning ................................................................................................ 7
4.2 Water connections ....................................................................................................................... 7
4.3 Electrical connections .................................................................................................................. 8
5 0 RULES FOR INSTALLATION ....................................................................................................... 8
5.1 Positioning .................................................................................................................................... 8
 5.2 horizontalowheaters..................................................................................................................8
 5.3 heatersverticalow...................................................................................................................... 9
6 0 WATER CONNECTION ............................................................................................................... 10
7.0 ELECTRICAL CONNECTIONS .................................................................................................... 10
8.0 TTECHNICAL DATA TABLES ..................................................................................................... 11
 9.0 WIRING ........................................................................................................................................ 14
10.0 STARTING .................................................................................................................................... 18
10.1 Checks ........................................................................................................................................ 18
10.2 Goodwill ....................................................................................................................................... 18
10.3 User information .......................................................................................................................... 18
11.0 FAULTS OF OPERATION ............................................................................................................ 18
11.1 Preliminary checks ...................................................................................................................... 18
11.2 Possible defects ........................................................................................................................... 18
11.3 Fans do not work ......................................................................................................................... 18
11.4 Loss of water in the battery .......................................................................................................... 18
11.5 The fan also stops when operating ............................................................................................. 18
 11.6 Noiseorvibrationduringoperation............................................................................................. 19
12.0 REPLACING COMPONENTS ..................................................................................................... 19
 12.1 Replacementofthefans.............................................................................................................. 19
13.0 MAINTENANCE........................................................................................................................... 19
 13.1 Engines........................................................................................................................................ 19
 13.2 Batteries....................................................................................................................................... 19
 13.3 Fans............................................................................................................................................. 19
 13.4 Routinemaintenance.................................................................................................................. 19
 13.5 Annualinspection......................................................................................................................... 19

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1.0 MAIN FEATURES
This manual collects the installation standards, proper
use and maintenance of the HEATERS series LC.
Youwillnotndadetaileddescriptionofthevarious
components of organs, nor the detailed account of
how they work, but all that will serve to familiarize
yourself with your equipment and will help to obtain
maximum performance and get the maximum service
life.
GENERAL WARNINGS
This manual is an integral part of the product;
it should not be separated from it, and must
be carefully stored for future use or reference.
Failure to comply with the recommendations
in this manual implies the loss of the warranty
conditions. If the appliance is sold or transferred
to another owner to ensure that the manual
accompanies the appliance.
This appliance must be used only for the purpose
for which it was built.
All applications specically indicated in this
manual are considered improper and therefore
dangerous.
1.1 CLASSIFICATION OF APPLIANCES
The horizontal unit heaters LC, with wall, are fed to
water and are particularly suitable for the heating of
industrial buildings, craft, stores, laboratories, etc.
1.2 CERTIFICATION - EC MARKING
TheafxingoftheCEmarkingensuresconformityof
the appliances with the Machinery Directive
98/37/EEC,theLowVoltageDirective73/23/EEC,
theElectromagneticCompatibilityDirective89/336/
EEC and successive amendments.
These products are then subjected to the CE marking
have been tested to the harmonized regulations
applicable to them, and they are accompanied by a
statement to the Annex.
1.3 CONSTRUCTION
LC consists essentially of a group of heat exchange
betweenthecirculatinguidinsidetheheatexchanger
(hotorchilledwater)andtheairowexertedbyafan
unit.
The ambient air is drawn in from / by the fan / s and
thrust through the heat exchanger, which transfers in
winter or in summer subtracts the heat to the same.
The treated air is discharged into the room through
thegrilltohorizontalnsmadeofextrudedaluminum,
adjustable manually.
The cover piece is made of painted sheet steel,
polyester powder, in the long life guarantee.
In the rear are located, according to the model, one
or two convection fans axial type with safety grille.
The fan motors are single-phase with external rotor,
designed for different operating speeds, using special
auto-transformer.
The heat exchanger is made from copper pipes and
aluminumnsxedbymechanicalexpansionofthe
tubes.
The connections to the electrical panel, housed in a
special sealed housing and can be found on the right
side of the unit.
Both types of connection, hydraulic and electric,
are also accessible laterally, after removal of the
respective shaped panels.
1.4 PACKAGE CONTENTS
The unit is shipped in standard recyclable cardboard
packaging with internal, which also contains:
- This manual
-Thewarrantycerticate
The manual and the warranty certicate must be
delivered to the owner of the device to keep them
carefully for future use or reference.
WARNING! It is important to check that the
packaging is intact upon delivery of the material.
1.5 ACCESSORIES PROVIDED UPON REQUEST
On request can be supplied with the following
accessories:
- Remote control with room thermostat, summer
switches / winter and fan speed;
- Consent thermostat (40 ° C);
- xingbars;
1.6 FIELD OF USE
The devices are designed and manufactured for
heating the air in the craft, commercial premises,
industrial and must be used solely for this purpose,
in relation to their technical and performance
specications.
The quality and the size of the materials used were
chosen to ensure a reasonable length of life, and are
suitable for operation of the apparatus, both together
that in their components, subject to an installation
realized in a workmanlike manner and in conditions
of mechanical, chemical and thermal corresponding
to normal use.
WARNING! All applications specically indicated
in this manual are considered improper and are
not permitted; in particular it is not provided for
the use of equipment in industrial processes and
/ or the installation in a corrosive or explosive
atmosphere; It is not allowed their feed with
superheated water or steam.
It assumes no liability of the producer for

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damage to persons, animals or things caused by
nonobservance of this manual, by modications
or tampering with the product, to errors in
installation, adjustment, maintenance and
improper use.
Failure to comply with the recommendations
in this manual also result in forfeiture of the
warranty conditions.
1.7 SAFETY REGULATIONS
WARNING! The installation and maintenance
must be performed by skilled personnel and duly
authorized.
The connection to the power supply must be
performed in accordance with current national plant
regulations.
During installation and maintenance operations,
always operate in conditions of maximum safety,
please follow the instructions in this manual and the
possible warning labels on the product.
Observe the installation and function limits indicated
in this manual, do not change in any way the internal
electrical wiring and internal pipes, does not alter or
disable safety and controlling devices.
Donotleavecontainersandammablesubstances
near the appliance.
Before each check, maintenance, or anything else
involving access to internal parts, disconnect the
main power supply.
2.0 GENERAL SAFETY
2.1 QUALIFICATION OF INSTALLER
The installation and maintenance must be performed
by skilled personnel and duly authorized.
2.2 POWER SUPPLY
The LC unit heater must be properly connected to an
efcientearthsystem.
The connection to the power supply must be
performed in accordance with current national plant
regulations.
2.3 USE
The use of the device should not be allowed to
children, untrained people and unassisted disabled
persons.
You must observe the following guidelines:
- do not touch the appliance with wet or damp body
and / or barefooted;
- do not insert utensils, paper or anything else that
might penetrate through the fan screens;
- do not open the access panels to internal parts.
These operations are reserved for the specialized
personnel;
- do not to proceed to clean the outer parts of the
 appliancewithoutrstremovingthepowersupply
at the main switch;
- do not leave the appliance exposed to the
elements;
- do not place objects on the unit;
- do not touch the moving parts in the heater.
LC can be moved with a forklift truck or pallet truck,
taking care to balance the weight at the supports.
For safety reasons, given the relatively high weight,
not groped to lift the machine by hand.
WARNING! One person can lift a maximum weight
of 30 kg.
Avoid suspension by slings or ropes, because there
arenospecicanchoragepoints.However,respect
the instructions on the carton with the appropriate
symbols.
Upon delivery, check that during transport there has
been no visible damage on the package and / or
on the device. In the event of a nding of damage
display immediately claim with the shipping.
Do not install damaged equipment in transport.
It is’ not dispose of parts of the packaging in the
environment or leave them within reach of children
as they are potentially dangerous.
2.4 USE OF THE INSTRUCTIONS
This manual is an integral part of the product and
must be delivered to the owner of the device so that
it accurately preserve for future use or reference.
WARNING! When installing or working on the
appliance observe all instructions in this manual
and so applicable to the product in accordance
with national safety standards. Changes of
connections of any kind and / or failure to comply
with these instructions will immediately invalidate
the warranty and the manufacturer responsibility.
3. HANDLING AND TRANSPORTATION
The unit is shipped with properly attached coated
cardboard box.
The device can be operated by personnel properly
equipped with adequate equipment to the product’s
weight, such as a forklift or pallet truck, but distribute
the weight on the supports.
Upon delivery, check that during transport there has
been no visible damage on the package and / or on
the unit. In case of nding of damage immediately
expose formal complaint to the shipping company.
Do not install damaged equipment in transport.
Do not dispose parts of the packaging in the

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Model L H P B Ø Weight Kg.
16 555 485 300 230 G 1” 30
20 630 560 300 230 G 1” 34
28 780 710 300 230 G 1” 38
40 630 1010 300 230 G 1” 63
56 780 1310 300 230 G 1” 75
environment or leave them within reach of children
as they are potentially dangerous.
The possible storage of the unit, must take place in
a suitable place, away from atmospheric agents and
from excessive moisture, for the shortest possible
time.
DIMENSIONS
4.0 INSTALLATION
4.1 GENERAL INFORMATION - POSITIONING
Before carrying out any installation work, ensure that
the following conditions are met:
a) it is possible to arrive in the desired place with the
 single-phasepowersupplyline230Volts~50
Hz and that the expected position of plumbing
connections matches that of the attacks on the
unit.
b) that the location is suitable for proper air circulation
 intheenvironmentandtheairowisnotimpeded
 byanyobstacles,otherwise,thattheairowitself
does not disturb the people present. In the case in
which in the same room are installed several
devices, it is convenient to distribute the air
 accordingofoppositeowdirections;
c) that the installation location allows accessibility to
the appliance parts subject in maintenance.
The optimal installation height is between 2.4
and 3.5 m and is understood as the vertical
distance between the decking and the base
station; higher or lower heights than indicated
should be carefully evaluated so as to ensure the
correct air distribution within the room.
4.2 WATER CONNECTIONS
WARNING! Make sure the bearing capacity of the
wall on which it will be xed the support bracket,
depending on the weight of the device and to
install the fasteners.
WARNING! Verify the characteristics of the water
circulation device with the load losses of the
batteries of the related equipment
In case you are used metal pipes, it is recommended
to follow the following requirements:
- install air vent valves at the highest points of the
pipes;
- to install on-off valves on pressure lines and
return water to facilitate the maintenance
operations avoiding to download the whole
system;
- suitably insulate the pipes to prevent heat loss
and condensation.
WARNING! Before lling the pipes, make sure
they do not contain material outsider like sand,
debris, rust and anything can damage the unit
exchanger or reduce the yield.
L P
B
H
Ø
Heater blowers LC

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With this provision it is aimed to obtain a circular air
owintheenvironmentandtoneutralizethelossof
heat at the origin .
For modest size environments are advisable
provisions such as those of Fig . 3 and Fig . 4 .
5.3 HEATERS VERTICAL FLOW
In the arrangement of the devices you will have to do
sothattheindividualzonesofinuenceareuniformly
distributedovertheentiresurfaceinplantg.5.
Positioning air blowers
Fig. 1
Positioning air blowers
Fig. 2
Positioning air blowers
Fig. 3
4.3 ELECTRICAL CONNECTIONS
WARMING! Make the electrical connections with
power off and only after completing the plumbing
connections and have veried the proper
maintenance.
Make sure that the power supply is type 230 V
- single phase - 50 Hz. Install in the vicinity of the
appliance an all-pole switch with adequate capacity
(with a opening of contacts of at least 3 mm) for the
main device Possible Shutdown .
It is banned the use of gas and / or water pipes for
the xing of the unit on the ground.A2BAccorroni
is not responsible of any damage caused by lack of
grounding of the device and failure to comply with
the wiring.
INSERT the power cable through the appropriate
cable gland, making sure to cut the wires so that the
earth yellow / green cable is longest.
This precaution, in case of accidental detachment,
enables the earth cable to exit for last from the
connections.
The power cable will have to be appropriate for the
type of facility and will have a size suitable to seal on
thegland(recommendedH05VVF3x1.5mm2).
Connect the power cord to the phase terminals(L),
neutral (N) and the ground terminal block located in
the framework).
5. RULES FOR INSTALLATION
5.1 POSITIONING
The arrangement of the heaters in the environment
to be heated has a signicant inuence on the
success of the system .
5.2 HEATERS HORIZONTAL FLOW
For large environments the recommended provisions
are those given in Fig . 1 and Fig . 2.
Positioning air blowers
Fig. 4

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Wanting to increase vertical launch it can be done in
sothattheinterferinginuencezonesbetweenthem
thus obtaining a decrease of the braking action
Airjetlandsonitsactivationandag.6.
The heaters of the LC series can be provided with
support brackets , which facilitate the positioning in
place Fig . 7 .
The LC unit heaters are suspended vertically
projected with the appropriate eye bolts and chains
kitg.8. Fig. 5
Positioning air blowers
Positioning air blowers
Fig. 6
Type of installation
Fig. 7
Type of installation
Fig. 8

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6.0 WATER CONNECTION
The sizing of the water supply must be done according
to the instructions of the designer. The heaters are
provided with threaded connections listed in the tables
of dimensions on page . 6 .
It is advisable not to connect the unit heaters with pipe
diameters of less than those of their attacks .
- Provide the outgoing tube an automatic air
discharge valve .
- It is recommended to mount attacks on a shut
off valve of the same diameter in order to allow the
disassembly of the unit heater without draining the
system .
-Makethehydraulicconnectionsasshowning.9.
7.0 ELECTRICAL CONNECTIONS
WARNING! Make the electrical connections
with power off and only after completing the
plumbing connections and have verified the proper
maintenance .
Make sure that the available electrical power is the
type 230 V - single phase - 50 Hz .
Mount close to the appliance an all-pole switch with
adequate capacity (with a contact gap of at least 3
mm) for any general standstill.
The use of gas and / or water pipes for the appliance
to be earthed is not allowed. The manufacturer is
not liable for any damage caused by failure to earth
the appliance and failure to comply with the wiring
diagrams .
Insert the power cable through the cable clamp ,
taking care to cut the conductors so that the earth
yellow / green cable is longer than the other two. This
precaution , in case of accidental detachment, enables
the earth cable to exit for last from the connections.
The power cord must be suitable for the type of
system implemented and will have a size suitable to
seal the cable gland ( we recommend the type H05
VVF 3x1.5 mm2) .
Connect the power cord to the phase terminals ( L),
neutral ( N ) and the earth terminal block under .
The Fig. 10 , 11 , 12 , and 13 give an indication of the
connection unit heaters , according to all the possible
configurations achievable :
- Basic wiring diagram fig . 10
- Basic wiring diagram with temperature thermostat
fig. 11
- Wiring diagram with room thermostat
fig. 12 and 13.
Water connections
Fig. 9
Flow
Vent air
Flow