Lindab Carat 31 Installation and user guide

For a better climate
Carat
Service & maintenance
© 2022.09 Lindab Ventilation. All forms of reproduction without written permission are forbidden. is the registered trademark of Lindab AB.
Lindab's products, systems, product and product group designations are protected by intellectual property rights (IPR).
lindab | for a better climate

2
Service & maintenance Carat
Lindab reserves the right to make changes without prior notice
2022-09-29
Lindab reserves the right to make changes without prior notice
2022-09-29
lindab | for a better climate
1.0 Installation
1.1 Product description
Lindab’s chilled beam Carat is placed above a perforated suspended ceiling and sup-
plies cooling, with a low air velocity, to the room below. Carat has a high radiation
quotient of approx. 35% (compared to approx. 5% for traditional finned products). This
gives great freedom in placing, when installing Carat, yet keeps air velocities low. Carat
can be used for cooling. It can be equipped with the Regula Connect condensation
guard feature. It offers many possibilities and great flexibility. For example, it is pos-
sible to paint Carat any color you want.
1.2 Handling
The beam must be handled with care, ensuring that the beam does not sustain dents,
scratches or bends during installation.
Always seek to lift the beam at multiple points.
– Do not lift in pipes
– Do not lift in edges
– Each beam is equipped with protective film to avoid any damage during transport
and handling at building site. The film needs to be removed before commissioning
the products.
1.3 Mounting instruction
– Please visit www.lindQST.com
• Select Documentation Finder
• Select “Carat”
• Select “Mounting”
1.4 Connection description water
Flow indication arrows are shown on the inlet and return pipes in order to assist the
installer.
If the control valves have been ordered separately, a special direction of the flow
must be upheld to ensure correct flow through the control valve. Please note the flow
direction indicator on the valve to insure correct installation in relation to the desired
flow.
When connecting a panel or a beam with the piping system either a push-on fitting or
a compression coupling should be used. Lindab have tested and recommends John
Guest push on fittings as well as push-on fittings from Tectite (available as accessory.
See Accessories).
To avoid sound being transported over the beam, we recommend to use our flexible
hoses between the piping and the beam connections. See Accessories.
NB! Every control valve can create sound when it is installed directly connected to the
water in- or outlet (or into the piping in close distance to the in- or outlet of the water
product). To avoid unwanted sound generation we recommend to always use a Lindab
control valve LinFlow-A (angled) or LinFlow-S (straight) and calculate the beam with the
valve in LindQST\waterborne calculator.

3
Service & maintenance Carat
Lindab reserves the right to make changes without prior notice
2022-09-29
Lindab reserves the right to make changes without prior notice
2022-09-29
lindab | for a better climate
1.4.1 Before installation
Notice! The connection pipes are internally soft-welded, therefore it is not allowed to
solder the beam to the pipes. For other than Lindab fittings and valves, please consult
the installation guide for the specific fitting for further details on proper installation.
Both inlet- and return pipes are covered by a plastic or rubber protection cover, which
must be removed before installation.
After removing the protection cover, make sure that the pipe is intact and undamaged,
especially at the pipe end, as even small dents and scratches potentially pose a risk of
leakage in the system.
Eventually deburr the pipe ends on the inside and the outside, using a deburring tool
before installation.
Always remember to do a pressure test after assembly of the pipe work.

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Lmin*
Service & maintenance Carat
Lindab reserves the right to make changes without prior notice
2022-09-29
Lindab reserves the right to make changes without prior notice
2022-09-29
lindab | for a better climate
1.4.2 Push-on valve
Mount a push-on valve to the pipe. Make sure the valve has the correct flow direction
(see indication arrow on the valve) and that you have the correct valve, when integrated
valve has been chosen (see indication on valve or follow cabelling to Regula Connect
card). Cooper inserts aren't required !
Please refer to the suppliers manual.
1.4.3 Compression fitting
While mounting a compression fitting, the pipe will be exposed to a big amount of
force, creating a risk of crushing the pipe. To ensure that the pipe won’t be crushed
when mounting the compression fitting, a copper insert must be inserted into the pipe
(always part of the delivery).
The copper insert should be placed inside the pipe on the beam. Always support the
copper pipe coil when inserting the copper insert into position.
Mount a compression coupling and/or a valve to the pipe. Don’t stress the nut too
much, since this may crush the pipe.
Please refer to the suppliers manual.
1.4.4 Flexible hoses
Our flexible hoses with straight ends can be used with both push-on and compres-
sion fitting.
We recommend to use our flexible hoses with push-on fittings, for easier and faster
mounting.
For the connection to an enclosed valve with integrated push on coupling a flexible
hose with straight end (male) or with push on (female) and a short copper pipe can be
used.
Please refer to the suppliers manual.
* Lmin = 70 mm (to ensure you can open the couplings again).
Lindab flexible hoses are available with straight end (male) for direct connection to Lindab valves also.

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Order : xx-xxxxx
Project : xxxxxx xxxxxxxx
Mark : xxxxx
Nozzles : N/A
Product ID : xxxxxxx
Plugs : N/A Sign. :
Pos : xx
Munio-I-xxx-12-125-AX
Pressure: AA Pa Flow: BB l/s
x,xx m
Carat: x-x-xx-xx-xxx-Xx
xx
xx xx xx
xx
xx
xx-xx
Service & maintenance Carat
Lindab reserves the right to make changes without prior notice
2022-09-29
Lindab reserves the right to make changes without prior notice
2022-09-29
lindab | for a better climate
Fig.1: Label location exterior (Above water connection)
On the label you’ll find:
– Order: Order identification number.
– Pos: Order position.
– Product: Product configuration.
– Project: Project name.
– Mark: Marking noted on order.
– Nozzles: Number of nozzles.
– Plugs: Number of plugged nozzles.
– Product ID: Product number.
– Sign: To be signed when checked and commissioned on site.
2.0 Commissioning
2.1 Product labeling

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P
O
Service & maintenance Carat
Lindab reserves the right to make changes without prior notice
2022-09-29
Lindab reserves the right to make changes without prior notice
2022-09-29
lindab | for a better climate
Handling
NEVER handle the product from the extreme edges or from the pipe tails.
ALWAYS handle the product from either the suspension bar, the pipe mani-
fold or the bottom of the ‘A’ profile. Take care not to damage cooling fins or
pipe tails.
3.0 Maintenance
The interval of cleaning depends on the indoor environment where the beam is placed.
Under optimal conditions the Carat beams only need cleaning every 5 years.
3.1 Cleaning instructions
– Only use lukewarm water and a mild detergent.
– When cleaning from above, the ceiling plate next to the panel must be removed -
then it will be possible to clean the panel from above.

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Service & maintenance Carat
Lindab reserves the right to make changes without prior notice
2022-09-29
Lindab reserves the right to make changes without prior notice
2022-09-29
lindab | for a better climate
Carat 31 Carat 44 Carat 58 Carat 71 Carat 84
Dry weight, kg/m 1.7 2.5 3.3 4.2 5.0
Water content, l/m 0.4 0.5 0.7 0.9 1.06
Copper pipes, quality EN 12735-2 CU-DHP
Pressure class PN10
4.2 Environmental declaration
Please follow the links below
• Building product declaration
• Declaration of conformity
• Eurovent certificate
4.3 Pressure Class
The waterborne products in Lindab, active chilled beams (battery products), passive
chilled beams (battery and strips products), facade units (battery) and radiant panels
(strips and panels) are produced according to pressure class PN10 according to EN
1333: 2006.
This means the maximal working pressure for the products at a water temperature of
20°C must not exceed 10 bar.
4.4 Water quality
Lindab recommend water treatment and quality to be according to VDI 2035-2.
– The water preparation and maintenance for the chilled beam water circuit should
be handled by a specialist.
– To prevent corrosion, the water circuit must be airtight.
– The water system must also be equipped with aerators to remove any build-up air
in the system.
– The water should be oxygen free, to prevent corrosion.
– The water system must be filled with potable water that complies with the “EC
directive 98/83/EC”.
– pH value of water must be between approximately 6-9 pH.
– The water velocities should not exceed 1m/s, and should be kept as close to the
nominal flow as possible to minimize noise and optimize the energy yield.
– There should be used in-line strainers to remove dirt particles from the water.
– If the water contains any additive inhibitor this must be appropriate to use with
copper and solder.
4.5 Capacity test
– Lindabs passive chilled beams are tested according to EN-14518.
4.0 Product and system specification
4.1 Material data

Support
Hjælp
Hjälp
Tuotetuki
Unterstützung
Supporto
UK - Here you can find product updates/mounting instruc-
tions and support telephone number/mail.
www.lindab.com
Right to alterations reserved.
DK - Her kan du finde seneste produkt opdateringer/mon-
tagevejledninger samt support tlf. nr/mail.
www.lindab.dk
Ret til ændringer forbeholdes.
SE - Här kan du alltid hitta senaste produktuppdater-
ingarna/montageanvisningarna samt support tel. /e-mail.
www.lindab.se
Rätt till ändringar förbehålles.
FI - Täältä löydät uusimmat tuotetiedot ja asennusohjeet
sekä tuotetuen yhteystiedot.
www.lindab.fi
Oikeus muutoksiin pidätetään.
DE - Hier finden Sie aktuelle Produktinformationen/ Mon-
tageanleitungen und Telefonnummer/ E-Mail-Adressen der
Ansprechpartner.
www.lindab.de
Änderungen vorbehalten.
IT - Qui potete trovare istruzioni di montaggio, informa-
zioni sul prodotto ed un supporto tecnico qualificato
Tel. [phone] - e-mail: [email protected]
www.lindab.it
Soggetto a modifica senza obbligo di preavviso.
FR - Vous trouverez les fiches produits ou de montage
actualisées ainsi que les coordonnées du support télépho-
nique à l’adresse suivante :
www.lindab.fr
Toutes modifications réservées.
Do you have trouble finding your local contacts
please go to:
www.lindab.com
Carat-20220929
For a better climate