Viessmann VITORADIAL 300-T Type VR3 Service Instructions For Contractors Download Page 1

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Service instructions

for contractors

VIESMANN

Vitoradial 300-T
Type VR3

, 101 to 335 kW

Condensing boiler with heat exchanger

VITORADIAL 300-T

5692820 GB

9/2018

Please keep safe.

Summary of Contents for VITORADIAL 300-T Type VR3

Page 1: ...Service instructions for contractors VIESMANN Vitoradial 300 T Type VR3 101 to 335 kW Condensing boiler with heat exchanger VITORADIAL 300 T 5692820 GB 9 2018 Please keep safe...

Page 2: ...icable standards a NORM EN VGW G K directives VGW TRF and VE c SEV SUVA SVGW SVTI SWKI VKF and EKAS guideline 1942 LPG part 2 Safety instructions for working on the system Working on the system Where...

Page 3: ...distribution board Danger If water escapes from the appliance there is a risk of scalding Never touch hot heating water Condensate Danger Contact with condensate can be harmful to health Never let co...

Page 4: ...er insulation and casing 28 4 Water quality Water quality requirements 30 Prevention of damage due to scaling 30 Prevention of damage due to corrosion on the water side 31 5 Commissioning service repo...

Page 5: ...n Not required during inspection Steps required during maintenance Not required during maintenance Intended use The appliance is only intended to be installed and operated in sealed unvented heating s...

Page 6: ...6 Vitoradial 300 T type VR3 Fuels Fuel oil and natural gas Permissible operating pressure 4 bar 0 4 MPa Rated heating output 111 to 335 kW Information Product information 5692820 Information...

Page 7: ...setting if a building management system is used DCC system 12 16 Checking the expansion vessel and system pressure 12 17 Checking the firm seating of electrical plug in connections and cable grommets...

Page 8: ...heating circuit pump and the burner ON OFF switch in that order Observe the burner manufac turer s operating instructions 11 The dew point range must be cleared as quickly as possible To do so preven...

Page 9: ...ts Only open the connections on the heating water side after the boiler has been depressurised Only drain the boiler with a suction pump when the air vent valve is open Opening the boiler door 4x Fig...

Page 10: ...to 5 Nm Checking the gaskets and packing cords on the flue gas side Checking the thermal insulation components on the boiler door Danger Fibre dust can be produced if working with high temperature ins...

Page 11: ...3 A Insert internal pipes as far as they will go Fitting the boiler door 4x A Fig 4 A Close the door Tighten screws crosswise to 25 Nm Commissioning inspection maintenance Inserting the internal pipes...

Page 12: ...if a building management system is used DCC system Please note Shutting down from full load can result in high material stress and material damage If a system with a higher ranking building man ageme...

Page 13: ...we recommend the installation of a diaphragm expansion vessel DEV as individual boiler pro tection This reduces the frequency and level of pres sure fluctuations This contributes considerably to impr...

Page 14: ...14 Removing the cover panel 4 8 x 9 5 Fig 5 A Cover plate Commissioning inspection maintenance Checking the heat exchanger gasket 5692820...

Page 15: ...15 Removing the top panels Fig 6 Removing the back panel 3 9 x 9 5 Fig 7 A Back panel Commissioning inspection maintenance Checking the heat exchanger gasket cont 5692820...

Page 16: ...A outer ring 2 Remove cut out fabric lining D 3 Remove heat exchanger cover C by undoing the 4 hexagon screws 4 Remove gasket B and clean the sealing face Assembly Assemble in reverse order Tighten c...

Page 17: ...installation check the stench trap and con densate drain for contamination and clean if required Danger Escaping flue gas poses a risk to health Always connect the condensate drain with a stench trap...

Page 18: ...r for leaks Replace the O rings if the mixer leaks 4 Snap the motorised lever into place Checking the function of the return temperature raising facility if installed Checking the installation room ve...

Page 19: ...for the low flue gas temperatures that may occur In the case of frequent cycling in standby mode and for partial loads below 40 we recommend the following Insulate the flue gas collector Install a mot...

Page 20: ...vice 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 service ins...

Page 21: ...ts not shown 300 Installation instructions 301 Service instructions 302 Thermal insulation fixings 303 Touch up spray paint Vitosilver 304 Touch up paint stick Vitosilver 305 Flame tube gasket Accesso...

Page 22: ...200 208 207 206 019 020 001 002 010 214 214 003 007 006 005 004 022 021 Fig 11 B Boiler control unit see parts list in the service instructions of the boiler control unit Parts lists Boiler part 1 56...

Page 23: ...Plastic hose 008 Hose pack 18 mm 009 Thermal insulation block 010 Thermal insulation mat 012 Packing GF 20 x 15 mm 019 Cleaning brush wearing part 020 Cleaning equipment accessory 200 Front panel top...

Page 24: ...306 Fig 12 A Type plate boiler either on the r h or l h side attach boiler and heat exchanger type plates to the same side C Burner cable see parts list in the service instruc tions of the boiler cont...

Page 25: ...204 Side panel front right with logo pos 306 205 Side panel front left 209 Thermal insulation jacket 210 Thermal insulation mat back 213 Edge protector 214 Fixing rail top 215 Fixing rail bottom 217...

Page 26: ...26 008 012 015 016 015 016 010 013 014 013 011 009 019 022 021 020 005 004 003 002 002 018 022 007 006 017 001 Fig 13 Parts lists Heat exchanger 5692820 Components...

Page 27: ...ue connection 010 Flow line 011 Return line front 012 Return line back 013 Shut off valve 014 Pump 015 Support sleeve 016 Locking ring fitting 017 Temperature controller 018 Heat exchanger flow pipe 0...

Page 28: ...28 200 204 203 201 202 201 213 206 208 209 207 205 210 211 A Fig 14 A Type plate Parts lists Heat exchanger insulation and casing 5692820 Components...

Page 29: ...et 203 Thermal insulation flange 204 Frame flue gas collector 205 Cover flue gas collector 206 Side panel 207 Front panel 208 Back panel 209 Cover panel back panel 210 Top panel right 211 Top panel le...

Page 30: ...ter hardness into the boiler maintenance checklists For systems with a specific system volume greater than 20 l kW heating output apply the requirements of the next higher category of total heating ou...

Page 31: ...s operating at the correct pressure e g systems with expansion ves sel offer good protection against the ingress of air borne oxygen Under all operating conditions and at all points in the heating sys...

Page 32: ...Boiler wa ter Medium Metering volume m3 m3 m3 Maintenance service Commissioning Maintenance service Maintenance service Date By Commissioning Maintenance service Maintenance service Date By Commission...

Page 33: ...33 Commissioning Maintenance service Maintenance service Date By Commissioning Maintenance service Maintenance service Date By Commissioning service reports Maintenance service cont 5692820 Appendix...

Page 34: ...return temperature of 30 C At rated heating output C 35 40 45 40 40 45 55 55 At partial load C 30 35 40 35 35 40 37 41 Temperature at a return temperature of 60 C C 60 60 65 60 70 70 75 80 Flue gas m...

Page 35: ...t part of ordi nary household waste For decommissioning the system isolate the system from the power supply and allow components to cool down where appropriate All components must be disposed of corre...

Page 36: ...n co uk eu conformity Manufacturer s certificate We Viessmann Werke GmbH Co KG D 35107 Allendorf confirm that the product Vitoradial 300 type VR3 complies with the following conditions stipulated by t...

Page 37: ...11 M Maintenance service report 32 Manufacturer s certificate 36 Mixer checking for ease of operation and tightness 18 O Operating and service documents 20 Operation partial load 19 Operation with bur...

Page 38: ...38 5692820...

Page 39: ...39 5692820...

Page 40: ...Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessmann com...

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