Related Manuals for Viessmann Vitocrossal CRU Series
Summary of Contents for Viessmann Vitocrossal CRU Series
- Page 1 VIESMANN Installation instructions for contractors Vitocrossal Type CRU, 800 to 1000 kW Gas condensing boiler VITOCROSSAL Dispose after installation. 5833291 GB 6/2018...
- Page 2 Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk of injury. Details identified by the word "Note" contain additional information. Please note This symbol warns against the risk of material losses and environmental pollution.
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Page 3: Table Of Contents
Index Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................System examples ................■ Preparing for installation Clearances and dimensions ..............Anti-vibration boiler supports .............. ■ Thermal insulation components ............. Thermal insulation, pack 1 ..............■ Thermal insulation, pack 2 .............. -
Page 4: Information Disposal Of Packaging
Please dispose of packaging waste in line with statu- DE: Use the disposal system organised by tory regulations. Viessmann. AT: Use the ARA statutory disposal system (Altstoff Recycling Austria AG, licence number 5766). CH: Packaging waste is disposed of by the HVAC contractor. -
Page 5: Product Information
Gas condensing boiler, 800 kW and 1000 kW rated heating output with modulating MatriX-Disk burner for natural gas E and natural gas LL ■ Permissible operating pressure for the heating sys- tem: 6 bar/0.6 MPa. System examples For available system examples, see www.viessmann- schemes.com... -
Page 6: Preparing For Installation Clearances And Dimensions
Clearances and dimensions Note Vertical flue gas pipework The stated clearances are recommended clearances. (300) Minimum clearances are indicated in brackets. (300) Fig. 2 Note If routing the flue gas vertically, allow space for work- ing on the control unit. (100) Fig. -
Page 7: Anti-Vibration Boiler Supports
Clearances and dimensions (cont.) Anti-vibration boiler supports Fig. 3 Permissible load 2970 Boiler front Length ■ Quantity ■ Boiler back Length ■ Quantity ■ Boiler front ■ Boiler back ■ Spring elements, unloa- ■ Spring elements, loa- 38-39 ■ Thermal insulation components The thermal insulation and casing are supplied in 2 Note packs. -
Page 8: Thermal Insulation, Pack 1
Control unit cover 0019 Side panel, front left 0036 Back panel, centre 0027 Front panel 0037 Back panel, bottom 0028 Control unit panel 0038 Viessmann logo 0029 Top panel, front 0039 Vitocrossal logo 0030 Top panel, left 0031 Top panel, right... -
Page 9: Thermal Insulation, Pack 2
Thermal insulation components (cont.) Thermal insulation, pack 2 0011 0009 0013 0014 0013 0013 0012 0008 0013 0007 0010 0006 0005 0008 0020 0021 0007 0006 0022 0005 0017 0002 0025 0015 0024 0026 0001 0023 0040 0016 0018 Fig. 5 Pos. - Page 10 Thermal insulation components (cont.) Pos. Part 0024 Centre side panel 1, right 0025 Centre side panel 2, right 0026 Side panel, back right 0040 Fixings: Spring hooks, edge protectors, vari- ous screws and washers, ball studs, links and gas springs...
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Page 11: Installation Sequence Installing The Combustion Chamber Module
Installing the combustion chamber module Installation without anti-vibration boiler supports 1. Position a plate, e.g. a flat steel strip, underneath the adjusting screws to distribute the load evenly. Fig. 6 Installation with anti-vibration boiler supports To ensure the spring elements bear an equal load, pro- 3. -
Page 12: Fitting The Heat Exchanger Module To The Combustion Chamber Module
Fitting the heat exchanger module to the combustion chamber module Please note 1. Lift the heat exchanger module by the lifting eyes. Scratches inside the combustion chamber or on components that come into contact with flue gas can lead to corrosion damage. Never place tools or other objects inside the combustion chamber. -
Page 13: Fitting The Supplied Foot Supports To The Heat Exchanger Module
Fitting the heat exchanger module to the… (cont.) Fitting the supplied foot supports to the heat exchanger module Fig. 8... -
Page 14: Levelling The Combustion Chamber And Heat Exchanger Modules
Levelling the combustion chamber and heat exchanger modules Fig. 9 Connections on the heating water side Note The boiler is only suitable for fully pumped hot water heating systems. - Page 15 Connections on the heating water side (cont.) Fig. 10 Female connection for control equipment: R ½ Boiler flow: PN 6, DN 100 with sensor well for boiler water temperature sensor Female connection for pressure limiter: R ½ Safety connection (safety valve): R 2 Boiler return 2: PN 6, DN 100 Boiler return 1: PN 6, DN 100 Drain outlet: R 1...
- Page 16 Connections on the heating water side (cont.) 2. Connect the hydraulic lines. 3. Seal any unused connections. System with 1 heating circuit: Note Connect the heating return to boiler return 1. Never connect a heat consumer to connector ■ (safety connection). System with 2 heating circuits: ■...
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Page 17: Fitting The Thermal Insulation
Fitting the thermal insulation Fig. 11 Black side outwards Note If required, secure the spring hooks to the boiler base. -
Page 18: Mounting The Burner
Mounting the burner 120 kg! 40 Nm Fig. 12 Lifting eye Danger Please note Incorrect handling of the 120 kg burner can Mechanical damage to delicate components will cause injury. impair the burner function. Move the burner with suitable auxiliary equip- Carefully insert the burner into the combustion ment e.g. -
Page 19: Fitting The Intake Extension To The Burner
Mounting the burner (cont.) Fitting the intake extension to the burner Fig. 13 Retaining bracket Please note Mechanically loaded ventilation air pipework can lead to leaks and appliance damage. Secure the intake extension free of load and tor- que stress. -
Page 20: Attaching The Top And Bottom Rails
Attaching the top and bottom rails M 6 x 10 Fig. 14 Rail, top (long) Rail, bottom (long) Rail, top (short) Rail, bottom (short) -
Page 21: Routing Electric Cables Along The Rails
Routing electric cables along the rails Fig. 15 Leads/cables 230 V~/400 V~ Boiler water temperature sensor LV leads Leads with plugs for connection to Vitotronic con- Leads with plugs for connection to burner and pro- trol unit gramming unit Please note Please note Damage to the connecting cables and sensor Incorrect wiring can lead to serious injury from... -
Page 22: Fitting The Crossbars
Fitting the crossbars Ø 4.8 Ø 3.5 Ø 4.8 Fig. 16... -
Page 23: Burner Electrical Connection
Burner electrical connection Fig. 17 Danger Please note Incorrect wiring can lead to serious injury from Damage to the cables/leads causes malfunction. electrical current and result in appliance dam- The cables/leads must not come into contact age. with hot components. Route LV leads and power cables (230 V~/400 V~) separately. -
Page 24: Fitting The Side Panels
Fitting the side panels Ø 4.8 Ø 4.8 Fig. 18... -
Page 25: Attaching The Control Unit Panel To The Front Top Panel
Attaching the control unit panel to the front top panel Ø 4.8 Ø 4.8 Fig. 19 Fitting the top front panel Note Links , ball studs and gas springs are sup- plied in pack 2 of the thermal insulation. - Page 26 Fitting the top front panel (cont.) M 6 x 20 Fig. 20...
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Page 27: Connecting The Programming Unit
Connecting the programming unit Fig. 21 LAN cable Data cable to the control unit Programming unit power supply (230 V~) -
Page 28: Fitting The Control Unit To The Top Back Panel
Fitting the control unit to the top back panel Note Edge protectors are supplied in pack 2 of the ther- mal insulation. Fig. 22... -
Page 29: Attaching The Back Panels
Attaching the back panels Ø 3.5 Fig. 23 Plugs for the flue gas dampers LAN socket Flue gas temperature sensor Cable ties for on-site cables... -
Page 30: Connecting The Control Unit
Connecting the control unit 400 V~ Fig. 24 Control unit power supply Power cable 400 V~ for external power supply Danger Please note Incorrect wiring can lead to serious injury from Damage to the cables/leads causes malfunction. electrical current and result in appliance dam- The cables/leads must not come into contact age. -
Page 31: Inserting Cables And Applying Strain Relief
Connecting the control unit (cont.) Inserting cables and applying strain relief 8. 8. 1. Fig. 25 Cables with moulded strain relief On-site cables; strip up to 100 mm insulation. On-site connections at the Vitotronic control unit Vitotronic control unit installation and service instructions... -
Page 32: Overview Of Electrical Connections, Burner Control Unit
Connecting the control unit (cont.) Overview of electrical connections, burner control unit Fig. 26 Junction box Fuel valve BV2 Mains connection to main MCB/fuse 400 V/50 Hz, Display and programming unit see the following chapter Gas pressure switch GDW2 Burner control unit VUC 310 Air pressure switch 1 Flame monitor (ionisation current) Gas pressure switch GDW1... -
Page 33: Power Supply
Connecting the control unit (cont.) Power supply Danger Danger Incorrectly executed electrical installations can Incorrect core assignment can result in serious result in injuries from electrical current and dam- injury and damage to the appliance. age to the appliance. Never interchange cores "L" and "N". Connect the power supply and implement all Danger safety measures (e.g. - Page 34 Connecting the control unit (cont.) Overview of electrical connections, junction box 400 V/50 Hz L2 L3 PE PE PE L1 L1 L2 L3 4 N N N 1L1 3L2 5L3 2T1 4T2 6T3 400V~ 100A 100A Base I Fig. 27 Mains connection to Vitotronic control unit fÖ...
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Page 35: Fitting The Top Panels And Control Unit Cover
Fitting the top panels and control unit cover Ø 4,8 Ø 4,8 Ø 4,8 Ø 4,8 M 5 x 16 Fig. 28 Danger The absence of system component earthing can lead to serious injury from electric current if an electrical fault occurs. The appliance and pipework must be connected to the equipotential bonding of the building. -
Page 36: Fitting The Trap
Fitting the trap Fig. 29 Danger If the trap is not full, flue gas can escape. Escaping flue gas can cause life threatening carbon monoxide poisoning. Always fill the trap with water before commis- sioning. Connecting the neutralising system Neutralising system installation instructions 1. - Page 37 Connections on the flue gas side (cont.) 1. Fit the boiler flue connection as shown in the dia- gram. 2. Route the flue pipe with the shortest possible run, maintaining a slight rise to the chimney. Avoid sharp kinks. Flue system installation instructions Danger Leaking or blocked flue systems, or an inade- quate supply of combustion air can cause life...
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Page 38: Fitting The Front Side Panels
Fitting the front side panels M6 x 10 Fig. 32... -
Page 39: Connections On The Gas Side
Connections on the gas side Fig. 33 Note 2. Check for leaks. The gas connection can be made through the left or right side panel. In the case of gas connection from the Please note right, route the gas pipe behind the intake extension of Excessive test pressure will damage the the burner. -
Page 40: Fitting The Front Panel
Fitting the front panel M 5 x 25 M 5 x 25 Fig. 34 Type plate... -
Page 41: Commissioning
Commissioning "Vitocrossal, type CRU" service instructions... -
Page 42: Keyword Index
Keyword index System examples............5... - Page 44 Viessmann Werke GmbH & Co. KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com Fax: +44 1952 675040 E-mail: info-uk@viessmann.com...
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