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INSTALLATION / ASSEMBLY
Your design radiator C O S M O GRAZ-VM must be installed and commissioned by an authorised company. The applicable standards and national electrotechnical safety
regulations such as the ÖVE and VDE regulations must be observed for installation. Prepare the pipework, taking into account the geometric dimensions of the design
radiator C O S M O GRAZ-VM and the connector (see Abb. 1 and 3).
We recommend keeping a minimum lateral clearance of 100 mm from the radiator, whereby the following should be noted.
If an electrical heater cartridge is used it may be sealed in one of the two 1/2" sleeves l. It is important that the instructions contained in the PTC-Electrical heating assembly instructions
are complied with.
Before mounting the radiator on the wall, (see Abb. 3): Please note that the flow pipe fitting is to the left of the centre of the valve pipe.
WALL INSTALLATION:
Place the sheet metal screws 1 provided on the mounting connections 2 (Abb. 2).
Mark and drill the holes position A - drill ø10 - and position the dowels according to the suspension dimensions - (Abb. 1). To ensure solid wall fitting for valve radiators we recommend
that the wall feet B are screwed to the wall. If this is not done, the wall feet B act as spacers.
Recommendation:
First verify the distance between the mounting connections 2 (Abb. 1 and 2) in order to identify the radiator.
If necessary, (wall condition) stick the transparent plastic shims 3 provided onto the wall feet 4 (Abb. 2). Please ensure that the adhesion surfaces are clean.
Fix the upper and possibly lower wall feet 4 in a horizontal, respectively vertical position. The countersunk boreholes 5 in the wall feet must face outwards. The wall mounting screw 6
should be mounted in the middle of the oblong holes of the wall feet. (We recommend that you check the distance between the mounted wall feet before mounting the radiator on the
wall.) If the lower wall feet B were used as spacers, screw them to the mounting connections 2 with sheet metal screw 7. Mount the radiator on the wall by putting the upper mounting
connections 2 (and possibly the lower mounting connections) in the wall feet A - and possibly B and connect them with the sheet metal screw 7. The wall space can be varied by the
oblong hole in the mounting connections. If the hydraulic fittings do not fit exactly, height and length can be adjusted by means of the oblong hole in the movable washer 8 in the wall
feet.
Use the enclosed connection fittings for the hydraulic connection and observe the corresponding instructions.
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 GRAZ-VM 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. 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 GRAZ-VM radiators are elegant design radiators suitable for warm water central heating systems with a maximum operating temperature of 110 °C and a maximum
operating 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 GRAZ-VM products can also be fitted with an additional
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electrical heating element if the following recommendations are complied with: Abb. 4
WARRANTY CONDITIONS
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C O S M O GRAZ-VM 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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