Viessmann VITORADIAL 300-T Service Instructions Manual
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Viessmann VITORADIAL 300-T Service Instructions Manual

Viessmann VITORADIAL 300-T Service Instructions Manual

Oil condensing boiler with heat exchanger
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VIESMANN
Service instructions
for contractors
Vitoradial 300-T
Type VR3
Oil condensing boiler with heat exchanger
VITORADIAL 300-T
Please keep safe.
5692 820 GB
9/2009

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Summary of Contents for Viessmann VITORADIAL 300-T

  • Page 1 VIESMANN Service instructions for contractors Vitoradial 300-T Type VR3 Oil condensing boiler with heat exchanger VITORADIAL 300-T Please keep safe. 5692 820 GB 9/2009...

  • Page 2: Safety Instructions

    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.
  • Page 3 ■ 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.

  • Page 4: Table Of Contents

    Index Index Commissioning, inspection, maintenance Steps – commissioning, inspection and maintenance.......... Further details regarding the individual steps............Parts lists Parts list, boiler..................... 23 Parts list, heat exchanger..................26 Water quality Water quality requirements.................. 29 Commissioning/service reports................ 32 Specification....................... 33 Certificates Declaration of conformity..................

  • Page 5: Commissioning, Inspection, Maintenance

    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. Matching the setting of the boiler control unit.... • 2. Checking the connections of the neutralising equipment and filling with neutralising agent •...
  • Page 6 Commissioning, inspection, maintenance Steps – commissioning, inspection and… (cont.) Commissioning steps Inspection steps Maintenance steps Page • • 20. Checking the mixer for ease of operation and tightness................20 • • 21. Checking the function of the return temperature raising facility (if installed) •...

  • Page 7: Further Details Regarding The Individual Steps

    Commissioning, inspection, maintenance Further details regarding the individual steps Matching the setting of the boiler control unit Make the setting according to the infor- mation in chapter "Additional informa- tion, Coding" in the service instructions for the control unit. Commissioning the system Operating and service instruc- 07.

  • Page 8: Checking The Burner Adjustment

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Danger Opening the connections on the heating water side whilst the boiler is under pressure can result in injuries. First depressurise the boiler. Drain the boiler with a suction pump only when the air vent valve has been opened.

  • Page 9: Cleaning The Internal Pipes And Heating Surface

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the internal pipes and heating surface 1. Remove the internal pipes B; for 2. Clean flues C and combustion chamber D with the brush. this, use the internal pipe extractor Remove combustion residues with a vacuum cleaner.

  • Page 10: Inserting The Internal Pipes

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Inserting the internal pipes A Insert internal pipes as far as they will go...

  • Page 11: Fitting The Boiler Door

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Fitting the boiler door A Tighten the screws diagonally. Checking the function of the safety equipment Check the safety valves, the water level and pressure limiters in accordance with manufacturer's details.

  • Page 12: Checking The Diaphragm Expansion Vessel And System Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the diaphragm expansion vessel and system pressure Note 2. If the pre-charge pressure of the dia- Observe the diaphragm expansion ves- phragm expansion vessel is lower sel manufacturer's instructions. than the static system pressure, top Carry out this check on a cold system.
  • Page 13 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Boiler output up to 300 Diaphragm expansion vessel content litres Please note Carry out all checks in accordance with The ingress of oxygen can result the manufacturer's instructions. Limit in system damage as a conse- pressure fluctuations to the lowest pos- quence of oxygen corrosion.

  • Page 14: Checking The Heat Exchanger Gasket

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the heat exchanger gasket Remove cover panel 4,8 x 9,5 A Cover panel...
  • Page 15 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Remove top panels...
  • Page 16 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Remove back panel 3,9 x 9,5 A Back panel...
  • Page 17 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Remove heat exchanger cover 1. Cut along the lower perforation A 4. Remove the gasket B and clean the (outer ring) of the cover's fabric lin- sealing face. ing. Assembly 2.

  • Page 18: Checking The Water Quality

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the water quality See chapter "Water quality requirements". Enter the volume of top-up water and the water hardness in the table. Fill water Top-up water Meter reading Total water Date volume —...
  • Page 19 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Total hardness pH value Water treatment Date Feedwater Boiler water Boiler Medium Metering water volume The pH value should be between 8.2 and 9.5.

  • Page 20: Cleaning The Sight Glass In The Boiler Door

    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.

  • Page 21: Adjusting The Burner

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Adjusting the burner Burner service instructions or Rated combus- Minimum output to separate documentation by the tion output Q be selected (burner burner manufacturer. stage 1) Adjust the highest oil throughput of the burner to the rated boiler output.

  • Page 22: Operating And Service Documents

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Operating and service documents 1. Complete and detach the customer registration card: ■ Hand the system user this part for safekeeping. ■ Retain the heating contractor's part. 2. File all parts lists, operating and serv- ice instructions in the folder and hand this over to the system user.

  • Page 23: Parts Lists

    Parts lists Parts list, boiler When ordering spare parts: 207 L.h. top panel Quote the type and serial no. (see boiler 208 Control unit fascia type plate) and the pos. no. of the 209 Thermal insulation jacket required part (as per this parts list). 210 Thermal insulation mat, back Obtain standard parts from your local 212 Logo...
  • Page 24 Parts lists Parts list, boiler (cont.)
  • Page 25 Parts lists Parts list, boiler (cont.)

  • Page 26: Parts List, Heat Exchanger

    Parts lists Parts list, heat exchanger Spare parts information 017 Thermostat Quote the type and serial no. (see heat 018 Heat exchanger flow pipe exchanger type plate) and the pos. no. 019 Heat exchanger return pipe of the required part (as per this parts 020 Connector list).
  • Page 27 Parts lists Parts list, heat exchanger (cont.)
  • Page 28 Parts lists Parts list, heat exchanger (cont.)

  • Page 29: Water Quality

    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, the VDI Directive 2035 Sheet 1 "Prevention of heating system damage –...

  • Page 30: Water Quality Water Quality Requirements

    Water quality Water quality requirements (cont.) ■ In systems > 50 kW, install a water ■ Take the system into use 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 at a high heating water flow rate.
  • Page 31 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...

  • Page 32: Commissioning/Service Reports

    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:...

  • Page 33: Specification

    Specification Specification Rated heating output =50/30 °C =80/60 °C Product ID CE-0035 BU 104 Available draught mbar Flue gas temperature ■ at a return temperature of °C 30 °C ■ at a return temperature of °C 60 °C Product parameters (according to EnEV) Efficiency η...

  • Page 34: Certificates

    Certificates Declaration of conformity We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, declare as sole respon- sible body, that the following product complies with the standards specified: Vitoradial 300-T, type VR3, 101 to 335 kW ■ with the Vitotronic boiler control unit ■...

  • Page 35: Manufacturer's Certificate According To The 1St Bimschv [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 NO limits specified by the 1st BImSchV paragraph 7 (2) and exceeds the efficiency level of at least 91 % (boilers > 400 kW):...

  • Page 36: Keyword Index

    Water quality requirements....29 Commissioning the system....7 Diaphragm expansion vessel.....12 Filling the heating system with water and venting..........7 Fitting the boiler door......11 Viessmann Werke GmbH&Co KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB...

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