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VIESMANN Service instructions for contractors Vitoplex 300 Type TX3A, 90 to 500 kW Oil/gas boilers For applicability, see the last page VITOPLEX 300 Please keep safe. 5692 818 GB 5/2011...
Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and mate- rial losses. Safety instructions explained ■ all current safety regulations as defined by DIN, EN, DVGW, TRGI, Danger TRF, VDE and all locally applicable This symbol warns against the standards, risk of injury.
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■ When using gas as fuel, also close the For replacements, use only orig- main gas shut-off valve and safeguard inal spare parts from Viessmann against unauthorised reopening. or those which are approved by ■ Isolate the system from the power sup- Viessmann.
Index Index Commissioning, inspection, maintenance Steps – commissioning, inspection and maintenance.......... Further details regarding the individual steps............Parts list......................19 Water quality Water quality requirements.................. 22 Using antifreeze in boilers..................25 Commissioning/service reports................ 27 Specification....................... 28 Certificates Declaration of conformity..................29 Manufacturer's certificate according to the 1st BImSchV [Germany]....
Commissioning, inspection, maintenance Steps – commissioning, inspection and maintenance For further information regarding the individual steps, see the page indicated Commissioning steps Inspection steps Maintenance steps Page • • • 1. Commissioning the system........... • • 2. Shutting down the system •...
Commissioning, inspection, maintenance Further details regarding the individual steps Commissioning the system Operating and service instruc- 09. Open the shut-off valves in the oil or tions for the control unit and the gas line. burner 10. Switch ON the mains isolator, the 01.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 13. Check all gaskets and plugs, and Danger retighten if necessary. Opening the connections on the heating water side whilst the 14. Check the boiler door and cleaning boiler is under pressure can cover after approx.
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.)
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the internal pipes, heating surface, flue outlet and flue 1. Remove internal pipes B using internal pipe extractor A. 2. Clean flues C and combustion chamber D with the brush. Remove combustion residues with a vacuum cleaner.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Inserting the internal pipes A DE A Insert internal pipes as far as they C Hot gas flue will go D End stop B Only for 500 kW E Spring clip...
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Securing the boiler door and cleaning cover Note Test the tightness of all gas con- On systems with gas burners, fit the gas nections. supply pipe. Danger Escaping gas leads to a risk of explosion.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the diaphragm expansion vessel and system pressure Note Perform this test on a cold system. Observe the details provided by the manufacturer of the diaphragm expan- sion vessel. Diaphragm expansion vessel 1.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Pump controlled pressure maintaining systems Please note This reduces the frequency and Pressure fluctuations may cause level of pressure fluctuations. damage to the boiler or to other This contributes considerably to system components.
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Enter the volume of the top-up water and the total hardness of the feed and boiler water into the table. Meter Fill and Total Total hardness Water treat- Date reading top-up water value...
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the sight glass in the boiler door Check the gaskets and hose connection for leaks. Checking the mixer for ease of operation and tightness 1. Remove the motorised lever from the 3.
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Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) A minimum flue gas temperature is Rated out- Pressure drop on the hot gas side required for the base load stage, the value of which is subject to the design of mbar the flue system.
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Instructing the system user The installer must instruct the user in the operation of the system. Operating and service documents 1. Complete and detach the customer registration card: ■ Hand the system user this part for safekeeping.
Parts list Parts list Spare parts information 210 Thermal insulation mat, back Quote the part no. and serial no. (see 211 Thermal insulation mat, flue gas type plate) and the position number of collector the required part (as per this parts list). 212 Logo Obtain standard parts from your local 213 Edge protection...
Water quality Water quality requirements Note Maintaining the following requirements is necessary to safeguard your warranty rights. The manufacturer's warranty excludes damage due to corrosion and scaling. Prevention of damage due to scaling Prevent excessive scale build-up (calcium carbonate) on the heating surfaces. For heating systems with operating temperatures up to 100 °C, VDI Directive 2035 Sheet 1 "Prevention of damage to hot water heating systems –...
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Water quality Water quality requirements (cont.) ■ In systems > 50 kW, install a water ■ Commission the system step by step, meter to record the volume of the fill & starting with the lowest boiler output top-up water. Enter the amount of fill and a high heating water flow rate.
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Water quality Water quality requirements (cont.) Prevention of damage due to corrosion on the water side The corrosion resistance of ferrous The use of permeable components, e.g. materials on the heating water side of plastic pipes that are permeable to gas heating systems and boilers depends on in underfloor heating systems, should be the absence of oxygen in the heating...
Water quality Using antifreeze in boilers Viessmann boilers are designed and ■ If a boiler system is changed to oper- built for water as a heat transfer medium. ate without antifreeze, flush the sys- To protect boiler systems from frost, it...
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Water quality Using antifreeze in boilers (cont.) ■ After filling, ensure there are no more air cushions in the system. When the temperature falls, gas cushions form negative pressure and this can draw air into the system. ■ After initial filling and commissioning, but after 14 days at the latest, clean the integral dirt trap so the heat trans- fer medium can flow freely.
Commissioning/service reports Commissioning/service reports Commissioning Service Service date: Service Service Service date: Service Service Service date: Service Service Service date: Service Service Service date:...
Specification Specification Rated output Flue gas parame- ters Temperature at boiler water temp. 60 °C ■ at rated output °C ■ at partial load (60 %) °C Temperature at boiler °C water temp. 80 °C Product ID CE-0085BT0478 Product parameters (according to EnEV) Efficiency η...
(boilers < 400 kW). The product characteristics determined as system values for the product Vitoplex 300 as part of EC type testing according to the Efficiency Directive (see specification table), can be utilised to assess the energy consumption of heating and ventilation equipment to DIN V 4701-10 which is specified by the EnEV [Germany].
Certificates Manufacturer's certificate according to the 1st BImSchV [Germany] We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm that the following product meets the NOx limits specified by the 1st BImSchV: ■ The NO limits according to para. 6 (1). ■ Flue gas loss of max. 9 % in accordance with para. 10 (1).
Keyword index Keyword index Adjusting the burner......16 Instructing the system user....18 Internal pipes ■ Cleaning.........10 Boiler door ■ Inserting..........11 ■ Opening..........8 ■ Securing.........12 Operating and service documents..18 Checking the function of the safety equipment..........12 Parts list..........19 Checking the mixer for ease of operation and tightness........16 Checking the system pressure...13 System...