Viadrus GRAND G 36, Manual For Operation And Installation

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13. Maintenance
All interventions can only be done by a contractual service organization trained by the manufacturer.
1. Disconnect the boiler from the el. network.
2. Close the gas supply to the boiler.
3. Disconnect the burner from gas supply
4. Disconnect the conductors to ignition pilot burner and the watching burner.
5. Remove the frontal pat of boiler shell in order to maintain the burner.
6. After the fastening nuts (4 pc of M8 nuts), the automatics and the gas piping have been released the
burner can be drawn out from the combustion space forwardly.
7. Remove the upper part of the shell and the thermal insulation.
8. Unscrew the draught diverter cover.
9. Check the boiler convection surface choking boiler and clean it chemically (like by using the METANO
THERM – according to METANO THERM manufacturer ´s instructions). If no regular maintenance has
been done and the convection surfaces are heavily choked with impurities they can be cleaned as follows:
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a brush is appended to the boiler and it has to be used for mechanical cleaning;
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pour a diluted detergent solution into all convection surfaces vents from above;
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let the solution work for approx. 10 minutes;
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spray the convection surfaces by a lower water pressure;
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again by a higher water pressure complete the convection surfaces cleaning;
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remove perfectly the impurities from burner space.
10. Check the burner tubes choking. In case they are fouled:
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dismount the ignition pilot burner;
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by means of a steel brush clean slightly the burner tubes perforation;
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remove the dust by using the compressed air through the diffuser or by using the vacuum cleaner;
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mount back the ignition pilot burner and then the whole burner;
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remove the dust from ignition pilot burner by using the compressed air.
11. Mount back the draught diverter, insulation and the upper part of boiler shell.
12. Open the gas supply, connection to electricity supply and the boiler start.
13. Check the gas supply to the burner tightness.
14. Boiler adjustment and the check of set output values (according to chap. no. 10.2).
14. Instructions for disposal of product after its service life expiration
VIADRUS a.s. is contractual partner of firm EKO – KOM a.s. with client number F00120649.
The packages comply with EN 13427.
Because the product is manufactured of common materials we recommend to dispose them in the ways as
follows:
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the exchanger (grey cast-iron) through a firm dealing with waste collection and disposal;
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piping, shell - through a firm dealing with waste collection and disposal;
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other metal parts - through a firm dealing with waste collection and disposal;
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gas fitting, breather - through a firm dealing with waste collection and disposal as the non-ferrous metal;
−
ROTAFLEX insulation material - into the common waste.
We recommend to dispose the packages in the following way:
-
plastic foil, cardboard cover, use a salvage point
- metal strapping tape, use a salvage point
- wooden base, is designated for a single usage and no longer can be used as a product. Its disposal is
subject to Act. 477/ 2001 Sb. a 185/2001 Coll.as amended.
In case that the product has lost its serviceability you can take advantage of product “take back
service” (if this is established); in case that the originator has declared that it is a scrap it must be
handled according to the valid legislation of relevant country.