Viessmann CR3B Service Instructions For Contractors Download Page 24 | Manualshive

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Fig. 10

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Type plate, either right or left

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Boiler control unit (see parts list in the service
instructions of the boiler control unit)

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Burner cable (see parts list in the service instruc-
tions of the boiler control unit)

Parts lists

Thermal insulation

5692910

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Summary of Contents for CR3B

Page 1: ...Service instructions for contractors VIESMANN Vitocrossal 300 Type CR3B 787 to 1400 kW Gas condensing boiler VITOCROSSAL 300 5692910 GB 9 2018 Please keep safe ...

Page 2: ...cable standards a ÖNORM EN ÖVGW G K directives ÖVGW TRF and ÖVE 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 gas is used as the fuel close the main gas shut off valve and safeguard it against unintentional reopening Isolate the system from the power supply e g by removing the separate fuse or by means of ...

Page 3: ...c 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 condensate touch your skin or eyes and do not swallow it Flue systems and combustion air Ensure that flue systems are clear and cannot be sealed for instance due to accumulation of conden sate or other...

Page 4: ...lation 24 Miscellaneous 26 4 Water quality Water quality requirements 28 Prevention of damage due to scaling 28 Prevention of damage due to corrosion on the water side 29 5 Commissioning service reports Water quality 30 Maintenance service 30 6 Specification 32 7 Final decommissioning and disposal 33 8 Certificates EU Declaration of Conformity 34 Manufacturer s certificate 34 9 Keyword index 35 In...

Page 5: ...on 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 systems that comply with EN 12828 with due attention paid to the associated installation service and operating instruc tions as well as the details in the datasheet It is only designed for the heating...

Page 6: ...6 Vitocrossal 300 type CR3B Fuel Natural gas E and natural gas LL Rated heating output 787 kW and 1400 kW Permissible operating pressure 6 bar 0 6 MPa Information Product information 5692910 Information ...

Page 7: ...ll on the heating water side for tightness 11 12 Checking the function of the safety equipment 12 13 Checking the pressure switch function 12 14 Checking the temperature controller setting if a building management system is used DCC system 13 15 Expansion vessel and system pressure 13 16 Cleaning the sight glass in the boiler door 14 17 Closing the boiler door 14 18 Checking the thermal insulation...

Page 8: ...he heating system pressure Permissible boiler operating pressure 6 bar 0 6 MPa 02 Check that the installation room ventilation is unobstructed 03 Check the gas supply pressure 04 Check that the cleaning aperture on the flue outlet is closed 05 Open the gas line shut off valves 06 Start the system in this order 1 Mains isolator 2 Switch for the heating circuit pump 3 ON OFF switch for the burner Bu...

Page 9: ... against unauthorised reconnection 2 Pull plugs fA and lÖ from the burner 3 Close the gas shut off valve Opening the boiler door Danger When working with high temperature insulating materials that contain zirconium or aluminium silicate ceramic fibres fibre dust may develop This fibre dust can be harmful to health Only trained personnel may adjust or replace the insulation Wear suitable protective...

Page 10: ...etween the boiler shell and the thermal insulation Remove soot deposits with alkaline cleaning agents with surfactant additive e g Fauch 600 Remove coatings and surface discolouration yellow brown with slightly acidic chloride free cleaning agents based on phosphoric acid e g Antox 75 E 2 Remove loosened deposits from the boiler Thor oughly flush heating surfaces and the flue gas col lector with a...

Page 11: ...be in close contact with the flame tube Checking all connections and the sensor well on the heating water side for tightness Danger There is a risk of injury when working on pres surised components Only open the connections on the heating water side after the boiler has been depressurised If draining with a suction pump only drain the boiler with the air vent valve open Commissioning inspection ma...

Page 12: ...e heat exchanger module 5 Position the top panels and secure with screws Note The gaskets can also be checked under full load with an inspection mirror If required remove the thermal insulation components Checking the function of the safety equipment Check safety valves water level and pressure limiter in accordance with manufacturer s details Checking the pressure switch function Installation ins...

Page 13: ...e pressure of the expansion vessel when the system is cold 4 Mark this value on the pressure gauge as the mini mum charge pressure Pump controlled pressure maintaining systems Note In heating systems with automatic pressure maintain ing equipment or deaeration systems operating according to the pressure reduction method for deaer ation we recommend installing an expansion vessel DEV for individual...

Page 14: ...p up water and the total hard ness of the feed and boiler water into the table in the appendix on page 30 For water quality requirements see page 28 The total hardness of the feed and top up water must not exceed the standard values specified by VDI 2035 see page 28 The pH value should be between 8 2 and 9 5 Cleaning and reconnecting the condensate drain system The condensate drain siphon neutrali...

Page 15: ... filled with water flue gas can escape 6 Clean the inside of the pipes of the condensate drain system and the neutralising system Neutralising system operating instructions 7 Connect the inlet of the neutralising system to siphon B using line D and seal in if necessary Ensure proper condensate drain to the drainage system Checking the installation room ventilation Checking the flue system for tigh...

Page 16: ... replace the gasket Instructing the system user The system installer should hand the operating instruc tions to the system user and instruct the user in oper ating the system This includes all components installed as accessories e g remote control units In addition the system instal ler must make the user aware of the required mainte nance work Operating and service documents 1 Complete and detach...

Page 17: ... tions in the folder and hand this over to the system user The installation instructions are no longer required after the installation and therefore do not need to be retained Commissioning inspection maintenance Operating and service documents cont 5692910 ...

Page 18: ...18 Commissioning inspection maintenance Operating and service documents cont 5692910 ...

Page 19: ...00 Fixings 0301 Trim strip 1 roll 10 m 0302 Touch up spray paint Vitosilver 150 ml can 0303 Touch up paint stick Vitosilver 0304 Vitocrossal 300 installation instructions 0305 Vitocrossal 300 service instructions 0308 Spring clip short 10 pce 0310 Flue system collar 0311 Butterfly valve conversion kit Parts lists Ordering parts 5692910 ...

Page 20: ...20 012 011 008 005 010 014 013 012 016 015 004 003 018 006 007 008 009 021 Fig 8 Parts lists Parts 5692910 ...

Page 21: ...e 800 mm 0010 Sensor well 0011 Thermal insulation mats 0012 Thermal insulation block 0013 Packing 15 x 25 L 2500 with adhesive 0014 Hose packing GF d 25 L 3000 0015 Burner plate DI 270 0016 Glass fibre reinforced fabric tape 15 x 2 x 1500 0018 Packing cord D 18 L 2500 0021 Thermal insulation mat Parts lists Parts cont 5692910 ...

Page 22: ...22 220 208 241 219 218 206 207 208 209 223 225 224 226 203 216 228 214 214 214 217 202 227 229 210 307 307 306 306 Fig 9 Parts lists Casing 5692910 ...

Page 23: ...Side panel centre 0216 Side panel left rear 0217 Side panel left front 0218 Corner rail 0219 Front panel top 0220 Front panel bottom 0223 Back panel top 0224 Top panel centre back 0225 Top panel back 0226 Top panel centre 0227 Top panel left 0228 Top panel centre connector 0229 Top panel right 0241 Corner rail right 0306 Vitocrossal 300 logo 0307 Viessmann logo Parts lists Casing cont 5692910 ...

Page 24: ...201 200 B A 019 C C 230 239 Fig 10 A Type plate either right or left B Boiler control unit see parts list in the service instructions of the boiler control unit C Burner cable see parts list in the service instruc tions of the boiler control unit Parts lists Thermal insulation 5692910 ...

Page 25: ...ar 0221 Back panel bottom 0222 Cover panel 0230 Mounting bracket rear panel 0231 Mounting bracket 0232 Mounting bracket fascia 0233 Trunking retainer 0234 Cable trunking FB 60 x 150 lower section l 1550 0236 Cable trunking FB 60 x 150 upper section l 2190 0237 Thermal insulation jacket front 0238 Thermal insulation jacket centre 0239 Thermal insulation jacket back 0240 Thermal insulation mat heat ...

Page 26: ...26 004 003 004 002 002 017 001 Fig 11 Parts lists Miscellaneous 5692910 ...

Page 27: ...os Part 0001 Flue gas cover with gasket and rotary damper 0002 Gasket set comprising 0003 Gasket DN 125 PN 6 0004 Gasket DN 100 PN 6 1100 1280 kW only 0017 Stench trap Parts lists Miscellaneous cont 5692910 ...

Page 28: ...ater 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 output in accordance with the table In multi boiler systems apply the output of the smallest boiler In the case of severe overshoot 50 l kW soften the water down to a total of alkaline earths of 0 02 m...

Page 29: ...ms 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 system including the intake side of the pump the pressure must be higher than atmos pheric pressure Check the pre charge pressure of the expansion vessel at least during the annual service Avoid the use...

Page 30: ...tenance service Commissioning Maintenance service Maintenance service Date By Commissioning Maintenance service Maintenance service Date By Commissioning Maintenance service Maintenance service Date By Commissioning Maintenance service Maintenance service Date By Commissioning service reports Water quality 5692910 Appendix ...

Page 31: ...31 Commissioning Maintenance service Maintenance service Date By Commissioning service reports Maintenance service cont 5692910 Appendix ...

Page 32: ...parameters according to EnEV Standard seasonal efficiency to DIN At heating system temperature 40 30 C Up to 98 Hs gross cv At heating system temperature 75 60 C Up to 95 Hs gross cv Standby loss qB 70 0 25 0 25 0 25 0 25 Power consumption At 100 of rated heating output W 1059 1175 At 30 of rated heating output W 353 140 Specification Specification 5692910 Appendix ...

Page 33: ...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 correctly Final decommissioning and disposal Final decommissioning and disposal 5692910 Appendix ...

Page 34: ...ound on the following website www viessmann co uk eu conformity Manufacturer s certificate We Viessmann Werke GmbH Co KG D 35107 Allendorf confirm that the product Vitocrossal 300 type CR3B complies with the following conditions stipulated by the 1st German Immissions Order BImSchV NOx limits according to paragraph 6 1 Flue gas loss of no more than 9 according to paragraph 10 1 Allendorf 1 August ...

Page 35: ...ort 30 Manufacturer s certificate 34 N Neutralising system 10 O Operating and service documents 16 Ordering parts 19 P Parts 19 20 Pressure maintaining system 13 Pressure switch function checking 12 Product information 6 Pulsation noise 9 R Reports 30 Rotary damper 8 S Specification 32 Steps overview 7 Symbols 5 System Commissioning 8 Shutting down 9 T Thermal insulation Checking 14 Parts 24 Tight...

Page 36: ... 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 5692910 Subject to technical modifications ...

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