Arfit TTP Manuale utente

Quality Management System certified under Norm ISO 9001:2015 by TÜV Rheinland Portugal

Air Handling Units

Instructions Manual [EN]

Table of Contents

DESCRIPTION ............................................................................................................................................................. 1

UNIT IDENTIFICATION ............................................................................................................................................... 1

UNIT SHIPMENT ......................................................................................................................................................... 1

INSTALLATION ............................................................................................................................................................ 2

LIFTING AND POSITIONING ...................................................................................................................................... 2

JOINING THE SECTIONS ........................................................................................................................................... 3

MAINTENANCE ........................................................................................................................................................... 4

MAINTENANCE ........................................................................................................................................................... 5

EQUIPMENTS WARRANTY ........................................................................................................................................ 6

PROBLEM SOLVING ................................................................................................................................................... 7

CE DECLARATION CONFORMITY ............................................................................................................................ 8

CONDENSATION TRAY .............................................................................................................................................. 9

ELECTRICAL DIAGRAMS - EC FANS ...................................................................................................................... 10

ELECTRICAL DIAGRAMS – AC FANS ..................................................................................................................... 18

ACCESSORIES - CUT-OFF SWITCH ....................................................................................................................... 19

ACCESSORIES - PRESSURE SWITCH ................................................................................................................... 19

ACCESSORIES - CONSTANT FLOW (AC MOTORS) ............................................................................................. 20

ACCESSORIES - CONSTANT FLOW (EC MOTORS) ............................................................................................. 22

WATER COIL ............................................................................................................................................................. 24

DIRECT EXPANSION COIL ...................................................................................................................................... 24

ELECTRIC BATTERY ................................................................................................................................................ 24

ELECTRIC BATTERY ................................................................................................................................................ 25

ELECTRIC BATTERY ................................................................................................................................................ 26

HUMIDIFIER .............................................................................................................................................................. 27

HEAT EXCHANGER .................................................................................................................................................. 27

DESCRIPTION

The components and size of the air handling units TTP are fully customizable and can be adapted to the needs

of the building. All of these features, together with the Eurovent certification which has been granted to this unit

ascertain its high-quality level and energy efficiency. These units can be set In Line, Double Deck or Side-by-

Side.

UNIT IDENTIFICATION

The units are identified by their rating label, in which the serial number, as well as its main technical features are

stated.

UNIT SHIPMENT

The units are sent wrapped in plastic film and with wooden supports in each corner of the many sections that

belong to the unit.

When receiving the unit, please check if it has not been damaged during shipment and if it is complete. In case

you find any damage, you must register the issue in the shipment document.

Return Fan

features

INSTALLATION

Like any other equipment, the TTP air handling units must be correctly installed and subjected to preventive

maintained routines in order to ensure they are properly functioning from the moment they are first used and

throughout the equipment’s duration period. In order to achieve this, the recommendations bellow must be

followed if they are valid for the equipment in question:

Warnings

 Please read all information within this manual before you use the equipment.

 The power network to which this device will be connected, must comply with the current standards.

 The device must be connected correctly to an efficient electric circuit connected to the ground, as required by

current electric safety standards. In case of doubt, please ask qualified professionals to access the network.

 The device should only be installed and used according to the current norms and to the purpose for which it

was manufactured. It may be dangerous to install it and use it for a different purpose or with different parts.

 The manufacturer cannot be held responsible for damages caused by faulty installation, use or maintenance

of the device and/or for repairs made by unqualified individuals.

 Never use this unit as a support for other equipment.

 Before you open the unit door, please make sure all electric parts have been disconnected. Take special care

to assure that the fan is turned off and cannot be inadvertently turned on.

 Be careful sharp edges that may be found inside the unit.

 Never climb nor walk on top of the unit.

 The installation of a cut-off switch is mandatory.

 Movable parts - Before you proceed with any intervention, please make sure the fan is completely still.

 The connection of the accessories presented as an attachment may already be finished, depending on the

options selected at the time the order of the equipment was placed.

 Electrical resistances must be connected to control devices that don’t allow them to work when the fan is still,

that prevent them from working when safety thermostats are activated and that allow a post-ventilation period

after they are turned off, in order to allow them to cool down.

 The heating batteries and steam humidifiers may cause burn injuries. Make sure they are still/turned off and

at a temperature that allows their handling.

 Heating and/or cooling batteries have a finned surface that may cause cuts. Take due caution when handling

these elements.

Starting the equipment

 Check if there are no foreign bodies inside the module.

 Check if the turbine is spinning freely, with no contact with the fan scroll or other elements.

 Check if the electric power features are right for the engine in question and make sure the equipment is

connected to an efficient ground connection.

 Provide electrical power to the engine according to the instructions given in this manual, in chapter "Electric

Diagrams - Fan”, and check if the turbine is spinning in the correct direction.

 With the access lids closed, check if the electric consumption of the engine is in accordance with the value

indicated in its data plate. Note: the electric current requirement must never be higher than the value indicated

in the motor’s data plate.

 Check if there are no vibrations or strange noises.

 The unit is provided with plastic film in the panels for protection purposes during the manufacturing, shipping

and installation processes. Once the installation is finished, the plastic film should be removed.

LIFTING AND POSITIONING

TTP air handling are meant to be lifted from their base. The base of the units has got holes for lifting purposes in

the corners of the base and throughout its perimeter. In order to lift the machine correctly, the holes along the

perimeter should be used. If there aren’t any, then the holes in the corners of the unit should be used. The weight

of each module and their centre of gravity should be considered during the lifting process. Lift the unit slightly in

order to check its position.

The unit should be placed on top of a plane, levelled surface that supports its weight. The location where the unit

will be placed should have enough space to allow the doors of its several sections to open correctly and allow

access to installation and maintenance procedures in the unit.

It is advisable to use anti-vibration mounts at the base of the unit.

JOINING THE SECTIONS

Units are often provided in several sections and the person responsible for the installation should join these

sections at the installation spot.

This operation should be conducted using the materials provided. These can be found inside the unit.

 Apply the adhesive gasket (tape) to the aluminium profile of the sections you wish to join.

 Press the parts at the joining of the sections that are in the interior corners of the sections.

 Press the parts that are along the interior of the sections (if there any) that need to be joined.

Note: in some cases, it may be necessary to remove some panels from the units, in order to access the joining

parts in the sections. To do this, take the lids off and unscrew the screws in order to easily remove the panel.

Because of their size, some energy recovering sections may be sent partially disassembled. In such cases, special

care should be taken to avoid damaging these delicate components.

Check if the gaskets and sealing silicones do not allow air to bypass these elements. In the case of heat

exchangers with integrated bypass damper, make sure that the register works correctly.

MAINTENANCE

Air treatment equipment requires periodic maintenance to properly perform the function for which they are

designed. The frequency with which the maintenance is performed depends on the environmental characteristics

in which the equipment is inserted and the number of hours of operation, so that the following indications is to be

considered as a guide.

Fan

Operations to be carried out:

 Check if there are no strange parts inside the module.

 Check the tightness of the electric wiring.

 Check if the turbine rotates freely.

 Check the tightness of all the screws to avoid undesirable vibrations.

 General interior cleaning

Frequency of maintenance: Biannual.

Filters

Operations to be carried out:

 Check if there are no strange parts inside the module.

 Check the tightness of all the screws to avoid undesirable vibrations.

 Check if the filter cloth is not cut.

 Check the condition of filter fills (replace if necessary).

 General interior cleaning.

Frequency of maintenance: Monthly

Heat exchanger unit

Operations to be carried out:

 Check if there are no strange parts inside the module.

 Check the tightness of all the screws to avoid undesirable vibrations.

 Check the condition, fix, and clean of the heat exchanger.

 Check condensate sewage, clean and sanitize the condensate tray.

 General interior cleaning.

Frequency of maintenance: Biannual

Water and direct expansion coils

Operations to be carried out:

 Check if there are no strange parts inside the module.

 Check the tightness of all the screws to avoid undesirable vibrations.

 Check the connections to the coil

 Check and clean (if necessary, taking care not to damage) the fins of the batteries.

 If there are deformed fins, replace them in the correct position with a suitable "comb".

 General interior cleaning.

 Check, when applicable, the condensate sewage, clean and sanitize the condensate tray.

Frequency of maintenance: Quarterly

MAINTENANCE

Electric resistance battery

Operations to be carried out:

 Check if there are no strange parts inside the module.

 Check the tightness of all the screws to avoid undesirable vibrations.

 Check connection status, replacing cables and redoing connections if necessary.

 Check the safety thermostat.

 General interior cleaning.

Frequency of maintenance: Biannual

Evaporative humidifier

Operations to be carried out:

 Check if there are no strange parts inside the module.

 Check the tightness of all the screws to avoid undesirable vibrations.

 Check the conditions of the humidifier.

 Clean the water filter.

 Clean and sanitize the water tank tray.

 Check filter valve and water level.

 General interior cleaning.

Frequency of maintenance: Quarterly

Steam humidifier

Operations to be carried out:

 Check the tightness of all the screws to avoid undesirable vibrations.

 Check the overall performance of the humidifier.

 Check the condition and performance of the humidifier cylinder by checking the condition of the electrodes or

resistances and check if there are no strange parts inside it (replace if necessary).

 Check and retighten all electrical connections.

 Check the conditions of the steam tubes.

 Check the performance of the water inlet and outlet valves.

 Check if there are no strange parts inside the module.

 Check the condensate sewage, clean and sanitize the condensate tray.

 Check the steam lance.

Frequency of maintenance: Quarterly

Acoustic attenuators

Operations to be carried out:

 Check if there are no strange parts inside the module.

 Check the tightness of all the screws to avoid undesirable vibrations.

 Check the condition and setting of the acoustic baffles.

 General interior cleaning

Frequency of maintenance: Annual

Equipment’s warranty

The ARFIT warrants this product against all manufacturing defects for a period of 2 (TWO) years after the date of

purchase.

Technical assistance under warranty will only be provided upon presentation of the purchase document, which

proves that the equipment is within the warranty period.

If, during the warranty period, the product is experiencing problems resulting from manufacturing defects, ARFIT

or its Authorized Technical Services will, free of charge for repair at their premises or (at ARFIT’s discretion)

replace the product or place components to replace the defective parts in accordance with the following

conditions.

ARFIT reserves the right, by its own discretion, to replace defective product components or small value products,

either by new components or products, or by components or recycled products. The present warranty covers only

the equipment and no costs and losses that may be incurred as a result of equipment stoppage are considered

and are therefore expressly excluded.

Disclaimers of warranties

 Natural wear parts.

 Parts that are subject to deterioration or breakage, for example, belts, filters, fuses, etc.

 Malfunctions caused by misuse, abuse, neglect, negligence, lightnings, floods, humidity, falls, collisions,

accident and transportation.

 Malfunctions caused by the use of the equipment for not intended purposes.

 Malfunctions caused as a result of handling, modifying or repairing the equipment, by unauthorized persons

or technical services or by the application of improper parts or accessories.

 Malfunctions caused as a result of an improper or illegal installation (voltage, water pressure or others),

anomalies in the power, disrespect for the instructions.

 Wear or aesthetic deterioration, produced by use, changes in tone, oxidation or corrosion of the apparatus or

its components.

 Any eventual repair does not have the effect of prolonging the warranty, nor does it confer the right to any

compensation.

The warranty shall not be valid if:

 The equipment nameplate has been manipulated or tampered.

 False data has been provided.

 The equipment is not accompanied by the purchase document.

 The equipment has been handled, modified or repaired by unauthorized people or technical services.

 Verification/maintenance operations are not carried out or are carried out by unauthorized technicians.

PROBLEM SOLVING

Problem Possible cause Check Possible solution

Engine in very high

consumption

Operating point different than

expected;

Check the flow rate

and the pressure drop;

Increase a pressure drop in

the installation;

Excess flow; Fan speed; Reduce the rotation speed;

Air flow in excess Air distribution system,

pressure drop overrated;

Check the flow rate

and the pressure drop;

Increase a pressure drop in

the installation;

Fan speed; Reduce the rotation speed;

Insufficient air flow

Air distribution system,

pressure drop overrated;

Check the flow rate

and the pressure drop; Increase the speed of

rotation (according to

available motor power and

maximum fan speed);

Fan speed;

Clogged filter; Filter embedding; Replace filter;

Excessive noise

Flow too high, air speed too

high; Check the flow rate

and the pressure drop;

Decrease the flow;

Pressure drop too high; Avoid areas of unstable

performance of the fan;

Damaged bearings, damaged

metal components;

Bearings, condition of

the components;

Replace bearings or

damaged components;

Unbalanced moving

components; Strange vibrations; Calibrate/Replace fan;

Unit does not work Power failure;

Power supply;

Circuit breaker;

Restore power supply;

Rearm circuit breaker;

Low battery

performance

Reduction of working fluid

flow; Check flow rate; Regular flow rate;

Low air flow; Filter embedding; Replace filter;

Low efficiency of the

recuperator

Dirtiness of the recovery

element;

Cleaning condition of

the recuperator Clean recuperator

Low air flow; Filter embedding; Replace filter;

Excessive wear on

the belt

Incorrect belt tension; Check tension on the

belts; Adjust belt tension;

Incorrect pulley alignment; Check pulley

alignment; Align pulley;

Note:

Please note that air handling units are integrated into a general system. For this reason, failures may be caused

by other system components, improper interaction between the unit and the system, or environmental conditions

other than those specified for the unit project.

CE DECLARATION OF CONFORMITY

Declaração de Conformidade CE (PT)

A Arfit Climatização S.A. c/ sede na Rua Domingos Ferreira da Costa, 280, Zona Industrial da Maia I, sector VIII,

4475-297 Maia, Portugal, declara que o produto Unidades de Tratamento de Ar TTP está em conformidade

com as seguintes diretivas e normas em vigor aplicáveis.

A Arfit Climatização S.A. salienta que o domínio da declaração da conformidade é extensível apenas e só ao

produto acima referido e desde que sejam respeitados os requisitos inerentes á instalação e utilização do bem

em causa. A Arfit Climatização S.A. não se responsabiliza pela junção/integração deste produto com outro

equipamento, ou máquina que não tenha sido referenciado/previsto nas instruções. A pessoa responsável pela

compilação do processo técnico é: Pedro Miguel Guimarães de Sousa e Silva, na morada acima indicada

Declaration of Conformity CE (EN)

Arfit Climatização S.A. with headquarters in Rua Domingos Ferreira da Costa, 280, Zona Industrial da Maia I,

sector VIII, 4475-297 Maia, Portugal, declares that the product Air Handling Units TTP is fully in conformity with

the following directives and standards.

Arfit Climatização S.A. declares that the declaration of conformity is regarding the above mentioned product as

long as the installation and user rules are respected. Arfit Climatização S.A. cannot be responsible when this

product is integrated or connected to any other equipment not mentioned of the instruction manual. The person

responsible for compiling the technical file is: Pedro Miguel Guimarães de Sousa e Silva, at the address above.

Declaración de Conformidad CE (ES)

Arfit Climatização S.A. establecida en Rua Domingos Ferreira da Costa, 280, Zona Industrial da Maia I, sector

VIII, 4475-297 Maia, Portugal, declara que el producto Unidades de Tratamiento de Aire TTP esta en

conformidad con las siguientes directivas y normas en vigor aplicables.

Arfit Climatização S.A. establece que el dominio de la declaración de conformidad es extensible sólo y

únicamente para el producto mencionado anteriormente sujetos al cumplimiento de las exigencias inherentes a

la instalación y el uso de los bienes en cuestión. El Arfit Climatização S.A. no se hace responsable de fusión /

integración de este producto con otros equipos o maquinaria que no ha sido referenciada / provista con las

instrucciones. La persona responsable de la elaboración del expediente técnico es: Pedro Miguel Guimarães de

Sousa e Silva, a la dirección precitada

Déclaration de Conformité CE (FR)

Arfit Climatização S.A. basée a Rua Domingos Ferreira da Costa, 280, Zona Industrial da Maia I, sector VIII,

4475-297 Maia, Portugal, déclare que le produit Centraux Traitement d’Air TTP est conforme aux directives et

normes en vigueur indiquées.

Arfit Climatização S.A. déclare que le domaine de la déclaration de conformité est extensible uniquement pour le

produit mentionné plus haut sous et sous réserve de conformité avec les exigences inhérentes à l'installation et

à l'utilisation des biens concernés. La Arfit Climatização S.A. n'est pas responsable de fusion / intégration de ce

produit avec d'autres appareils ou machines qui n'a pas été référencé / prévue dans les instructions. La personne

responsable de la constitution du dossier technique est: Pedro Miguel Guimarães de Sousa e Silva, à l'adresse

ci-dessus.

Diretivas/Directives/Diretivas/Directives:

Normas/Standards/Normas/Normes:

 Machine Directive 2006/42/CE

 Low Voltage Directive 2014/35/EU

 EMC Directive 2014/30/EU

 ECODESIGN Directive 2009/125/CE

 EN 60335-1:2010

 EN 60947-3:2009

 EN 60947-5-1:2004+AC:2005+A1:2009

 EN 13857:2008

 EN 12100-1:2003

 EN 12100-2:2003

 EN 60204-1:2006

Maia, April 7th 2016

Technical direction

Pedro Silva

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