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INSTALLATION / ASSEMBLY
Your C O S M O PISA design radiator must be installed and commissioned by an authorised plumber. The applicable standards and national electrotechnical safety regu-
lations such as the ÖVE and VDE regulations must be observed for installation.
For the correct installation of radiators it is essential that the fi - xing of the radiator is carried out in such a way that it is suitable for intended use AND predictable misuse. A number of
elements need to be taken into consideration including the fi xing method used to secure the radiator to the wall, the type and condition of the wall itself, and any additional potential
forces or weights, prior to fi nalising installation.
The piping must be prepared taking the geometrical dimensions of the design radiator and the connection elements (valves, screw joints) - see (Abb. 1) - into account. We recommend a
gap of at least 100 mm at the side of the radiator. Thereby, the following must be noted:
A The electric heating cartridge, if used, is sealed inside one of the two
1/2" faucets III or IV; the 1/2" faucet I or III is used for flow, and the 1/2"faucet II or IV is used for return. This connection variant naturally also applies to the possible later instal-
lation of electric heating cartridges. Thereby, the information in the PTC-electrical heating assembly instructions must be noted.
B If no electric heating cartridge is installed, the 1/2" faucet III can also be used for flow, and the 1/2" faucet IV for return.
We recommend connecting the flow to the 1/2" faucet I and the return to the 1/2" facet II.
Close the unused connections with the enclosed stoppers. This also applies to the 1/4" vent.
WALL INSTALLATION
Push the enclosed plate nuts 1 onto the connection pieces 2 (Abb. 2). Mark and drill holes A and B - drill bit ø10 - and insert the plugs in accordance with the fixation dimensions
(Abb. 1).
Recommendation:
First verify the distance between the mounting connections 2 (Abb. 1 and 2) in order to identify the radiator.
If necessary (depending on wall condition), the enclosed plastic shims 3 should be glued to the wall supports 4 (Abb. 2). (make sure that the surfaces are clean). Fix the wall supports
4 and make sure they are vertical, whereby the countersunk drill holes 5 should stand out in the wall supports. The wall fixation screws 6 should be inserted in the middle of the oblong
holes in the wall supports. (We recommend checking the distance between the mounted wall supports before fixing the radiator to the wall.) Fix the radiator to the wall by inserting
the connection pieces 2 in the wall supports, position A and B, and joining them using the plate screws 7. The distance from the wall can be varied by adjusting the oblong hole in the
connection pieces. The wall supports can be adjusted longitudinally and laterally by means of the oblong hole in the mobile washer 8 in the wall support, if the hydraulic connections to
not fit perfectly. Connect the hydraulic system.
The following standards must be adhered to when installing radiators:
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DIN 55900: Spraying area in wet rooms
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VDI 2035: Prevention of damage in water heating installations
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DIN 18017 Part 3: Ventilation of bathrooms and toilets without windows
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EN 14336: Heating systems in buildings. Installation and commissioning of water based heating systems
OPERATION AND CARE
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C O S M O PISA design radiators are high quality products which are suitable for drying towels as well as heating rooms. For this reason it is important to remember that they have
hot surfaces. Only textiles that have been washed in water may be dried.
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Of course it is not permitted to use the radiators as climbing frames or sports equipment.
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The radiator surfaces must be cleaned with gentle non-scouring cleansing agents.
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For electrical heating operations the heating water must always be able to expand to the expansion tank, e.g. by opening the non-return valve.
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To prevent heat being transferred to the heating network in this case, we recommend closing the thermostat valve. Of course, the electrical heating may only be switched on after
the radiator has been completely filled with water.
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For safety reasons, the radiator must not be covered completely if it is operated electrically.
DESCRIPTION OF RADIATOR
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C O S M O PISA radiators are elegant design radiators suitable for warm water central heating systems with a maximum operating temperature of 110 °C and a maximum opera-
ting pressure of 10 bar.
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The consistently high quality standards are subject to continual internal and external controls.
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Customers may not carry out work (e.g. welding) on the radiators.
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C O S M O PISA products can also be fitted with an additional electrical heating element if the following recommendations are complied with: Abb. 3
The hydraulic regulator - room temperature control for C O S M O PISA radiators is carried out by an externally mounted radiator thermostat valve.
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The wall installation concept is a system designed for finished walls.
WARRANTY CONDITIONS
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C O S M O PISA design radiators are covered by Rettig 10 year warranty for water side sealing and function and a 5 year warranty for coated surfaces from the date of delivery.
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Damage caused during transport must be reported to the supplier no later than the next working day after delivery.
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The invoice must be submitted when making a warranty claim.
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The warranty is valid for all parts with proven material defects or which become defective as a result of faulty workmanship.
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Normal wear, damage caused by force majeure, damage caused deliberately or through negligence, non-compliance with the installation, operating and care instructions are not
included in the warranty.
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We accept no guarantee claims for damage resulting from improper or inappropriate use, faulty installation and/or commissioning by third parties, incorrect or negligent treat-
ment, unsuitable operating agents, foreign bodies in the water, faulty workmanship, chemical, electrochemical or electrical influences that were not caused by us.
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In the event that Rettig accepts that finishing was faulty or that material was defective, Rettig reserves the right to repair defective parts or to replace them with parts in good
condition. Parts which have been replaced become the property of Rettig.
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As a result of its length in the event of warranty claims (repair or supply of spare parts) by the final customer, the warranty will not extended beyond this term.
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Rettig reserves the right to alter the technical specifications of its products without prior notice.
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