Airwell 3990546 Manual

IOM PAC 02-N-3ALL
Part number / Code / Teil Nummer / Codice / Código : 3990546
Supersedes / Annule et remplace / Annulliert und ersetzt /
Annulla e sostituisce / Anula y sustituye : IOM PAC 02-N-2ALL
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140 litre buffer tank
Ballon tampon de 140l
140 l Pufferspeicher
Palla tampone da 140 l
Acumulador intermedio de 140 l
Installation and maintenance manual
Manuel d’installation et de maintenance
Installations- und Wartungshandbuch
Manuale di installazione e di manutenzione
Manual de instalación y de mantenimiento
IOM PAC 02-N-3
Part number / Code / Teil Nummer / Codice / Código : 3990559
Supersedes / Annule et remplace / Annulliert und ersetzt /
Annulla e sostituisce / Anula y sustituye : IOM PAC 02-N-2

INSTALLATION INSTRUCTION
NOTICE D’INSTALLATION
INSTALLATIONSHANDBUCH
ISTRUZIONI INSTALLAZIONE
INSTRUCCIONES DE INSTALACIÓN

2
CONTENTS
GENERAL RECOMMENDATIONS ...............................................................................................................3
SAFETY DIRECTIONS................................................................................................................................................................ 3
WARNING ............................................................................................................................................................................... 3
INSPECTION AND STORAGE .....................................................................................................................4
WARRANTY ...............................................................................................................................................4
PRODUCT PRESENTATION.........................................................................................................................4
DIMENSIONS ............................................................................................................................................5
INSTALLATION ..........................................................................................................................................6
CLEARANCE ............................................................................................................................................................................ 6
FITTING................................................................................................................................................................................... 6
HYDRAULIC LINKS TO THE CENTRAL HEATING LOOP...............................................................................7
MINIMUM HEATED WATER VOLUME REQUIREMENTS................................................................................................................ 7

3
GENERAL RECOMMENDATIONS
Please read the following safety precautions very carefully before installing the unit.
SAFETY DIRECTIONS
Follow the safety rules in forces when you are working on your appliance.
The installation, commissioning and maintenance of these units should be performed by qualified personnel having
a good knowledge of standards and local regulations, as well as experience of this type of equipment.
The unit should be handled using lifting and handling equipment appropriate to the unit's size and weight.
WARNING
When making the hydraulic connections, ensure that no impurities are introduced into the pipe work.
The manufacturer declines any responsibility and the warranty becomes void if these instructions
are not respected.
If you meet a problem, please call the Technical Department of your area.
In order to become fully familiar with the appliance, we suggest to read also our Technical Instructions.
The information contained in these Instructions are subject to modification without advance notice.

4
INSPECTION AND STORAGE
At the time of receiving the equipment carefully cross check all the elements against the shipping documents in
order to ensure that all the crates and boxes have been received. Inspect all the units for any visible or hidden
damage.
In the event of shipping damage, write precise details of the damage on the shipper’s delivery note
and send immediately a registered letter to the shipper within 48 hours, clearly stating the damage
caused. Forward a copy of this letter to the manufacturer or his representative.
Never store or transport the unit upside down. It must be stored indoors, completely protected from rain, snow etc.
The unit must not be damaged by changes in the weather (high and low temperatures). Excessively high temperatures
(above 60 °C) can harm certain plastic materials and cause permanent damage.
WARRANTY
Any modification to the units without the manufacturer’s prior approval, shall automatically render the warranty
null and void.
The following conditions must be respected in order to maintain the validity of the warranty:
²Commissioning shall be performed by specialised technicians from technical services approved by
the manufacturer.
²Maintenance shall be performed by technicians trained for this purpose.
²Only Original Equipment spare parts shall be used.
²All the operations listed in the present manual shall be performed within the prescribed
SCHEDULE.
THE WARRANTY SHALL BE NULL AND VOID IN THE EVENT
OF NON-COMPLIANCE WITH ANY OF THE ABOVE CONDITIONS.
PRODUCT PRESENTATION
The buffer tank is required when the volume of water in the installation is insufficient for correct system operation.
It protects the PAC from the effects of short-cycling that would harm the compressors service life. It also improves
operation during de-icing phases.
This tank can be used as a mixing tank. In this case, the actual volume of water used in the installation is only 70
litres.
This tank is insulated with CFC-free polyurethane foam and is equipped with 4 water circuit connection points
(1"1/4) and a drain outlet (1"). The tank is intended only for floor-standing installation.

5
DIMENSIONS
35kg(dry weight) Tank capacity: 140l
159 159
999 999
1154
40
Ø 480
1" GAS/M
1-1/4"
GAS/F
1-1/4"
GAS/F
1-1/4"
GAS/F
1-1/4"
GAS/F

6
INSTALLATION
The buffer tank is not designed to withstand weights or stresses from adjacent equipment, pipe work
or constructions. Any foreign weight or stress on the unit structure could lead to a malfunction or a
collapse with dangerous consequences for personnel and property. In such an event, the warranty
shall be null and void.
CLEARANCE
When installing the system take care to leave sufficient free space all around the tank for servicing operations. The
indicated minimum free distances must be respected to ensure an easy access.
WATER
INLET
FITTING
The tank support must be installed as indicated in this manual. Unsuitable installation may cause
risks of personal injury.
The buffer tank must be installed on a stable and level foundation with sufficient strength to support its weight when
full. It has to be installed on its base without any other fixation.
200mm
150mm
150mm
WATER
INLET

7
HYDRAULIC LINKS TO THE CENTRAL HEATING LOOP
To ensure that the system operates correctly you must use suitably sized and properly routed pipes for the hydraulic
links between the Heat pump and the mains network.
The volume of water flowing through the installation must be sufficient to avoid compressor "short-cycling" and
ensure adequate running times to guarantee its long service life. To ensure the PAC functions efficiently, available
installation water volume must be:
200l < available water volume < 250l
When water circulation through heat emitters can be interrupted (thermostatic radiator valves closed) or the heating
supply halted, you must ensure that:
²The Heat Pump maintains its nominal water flow.
²The heat pump operates in a loop with a minimum available volume of 200 litres.
The use of a 3-speed circulation pump enables water flow through the appliance to be adapted to pressure losses
in the system.
MINIMUM HEATED WATER VOLUME REQUIREMENTS
1
4
1 1
1
3
2
1
5
6
7
8
Recommended hydraulic layout for installing a PAC as a back-up replacement for a hot water
boiler.
The buffer tank is connected in series on the PAC return (inlet) circuit to guarantee the presence of a minimum
volume of water and ensure that the PAC operates without "short-cycling".
1 Stop cocks
2 Buffer tank
3 Expansion tank (depending
on PAC equipment)
4 Filter or sludge trap
5 Separator drain-valve
6 Circulation pump
7 Relief valve
8 Boiler

8
1 Stop cocks
2 Buffer tank
3 Expansiontank(depending
on PAC equipment)
4 Filter or sludge trap
5 Separator drain-valve
This layout is recommended when the PAC water flow is continuous and close to the nominal value (no radiator
thermostatic valves).
The buffer tank (2) provides extra circulating water volume to maintain the minimum volume.
1
4
1 1
1
3
2
1
5
Recommended hydraulic layout for installing a PAC as a stand-alone system on a water network
without thermostatic radiator valves.

9
1
4
1 1
1
3
2
1
5
6
7
Recommended hydraulic layout for installing a PAC as a stand-alone system on a water network
with thermostatic radiator valves.
The buffer tank connected in series on the PAC return (inlet) circuit guarantees the presence of a minimum
volume of water and ensures that the PAC operates without "short-cycling", independently of the flow through
the radiators.
1 Stop cocks
2 Buffer tank
3 Expansion tank (depending
on PAC equipment)
4 Filter or sludge trap
5 Separator drain-valve
6 Circulation pump
7 Relief valve

10
This layout is recommended for heating installations with wide operating water flow variations (radiator thermostatic
valves present in the system). Minimum system volume is guaranteed by a mixing tank (2). Take care when calculating
the volume of water in the installation and only take account of 50% of the mixing tank's volume.
Example: For a useful volume of 70 litres the actual mixing tank volume will be 140 litres.
1 Stop cocks
2 Mixing tank
3 Expansiontank(depending
on PAC equipment)
4 Filter or sludge trap
1
4
2
7
1 1
6
11
1
1
3
1
5
Recommended hydraulic layout for installing PAC as a stand-alone system on a water network with
a mixing tank.
5 Separator drain-valve
6 Circulation pump
7 Relief valve

And that the following paragraphs of the harmonised standards have been applied.
Et que les paragraphes suivants les normes harmonisées ont été appliqués.
Und dass die folgenden Paragraphen der vereinheitlichten Normen Angewandt wurden.
E che sono stati applicati i seguenti paragraphi delle norme armonnizzate.
Y que se han aplicado los siguientes apartados de las normas armonizadas.
Buffer tank
Ballon tampon
Pufferspeicher
Palla tampone
Acumulador intermedio
LOW VOLTAGE DIRECTIVE (DBT) 2006 / 95 / EEC
DIRECTIVE BASSE TENSION (DBT) 2006 / 95 / C.E.E.
RICHTLINIE NIERDERSPANNUNG (DBT) 2006 / 95 / EG
DIRETTIVA BASSA TENSIONE (DBT) 2006 / 95 / CEE
DIRECTIVA BAJA TENSION (DBT) 2006 / 95 / CEE
Déclaration CE de conformité
Nous déclarons sous notre responsabilité que les produits désignés dans la présente notice sont conformes aux dispositions des directives CEE énoncées
ci- après et aux législations nationales les transposant.
EC Compliance declaration
Under our own responsibility, we declare that the product designated in this manual comply with the provisions of the EEC directives listed hereafter
and with the national legislation into which these directives have been transposed.
EG-Konformitätserklärung
Wir erklarën in eigener Verantwortung, das die in der vorliegenden Beschreibung angegebenen Produkte den Bestimungen der nachstehend erwähn-
ten EG-Richtlinien und den nationalen Gesetzesvorschriffen entsprechen, in denen diese Richtinien umgesetz sind.
Dichiarazione CE di conformità
Dichiariamo, assurmendone la responsasabilità, che i prodotti descritti nel presente manuale sono conformi alle disposizioni delle direttive CEE di cui
sott e alle lagislazionni nazionali che li recepiscono
Declaramos, bajo nuestra responsabilidad, que los productos designados en este manual son conformes a las disposiciones de las directivas CEE enu-
nuciadas a continuacion, asi como a las legislaciones nacionales que las contemplan.
Declaración CE de conformidad
EN 60 335-1 + A1 + A11 + A12 EN 60 335-2-21 + A21
A Tillières sur Avre
27570 - FRANCE
Le: 15/07/2009
Sébastien Blard
Quality Manager
AIRWELL Industrie France

As part of our ongoing product improvement programme, our products
are subject to change without prior notice. Non contractual photos.
Dans un souci d’amélioration constante, nos produits peuvent être
modifiés sans préavis. Photos non contractuelles.
In dem Bemühen um ständige Verbesserung können unsere Erzeugnisse
ohne vorherige Ankündigung geändert werden. Fotos nicht vertraglich
bindend.
A causa della politica di continua miglioria posta in atto dal costruttore,
questi prodotti sono soggetti a modifiche senza alcun obbligo di preavviso.
Le foto pubblicate non danno luogo ad alcun vincolo contrattuale.
Con objeto de mejorar constantemente, nuestros productos pueden
ser modificados sin previo aviso. Fotos no contractuales.
AIRWELL
IndustrIe
F
rance
Route de Verneuil
27570 Tillières-sur-Avre
FRANCE
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