Viessmann VITOCROSSAL 300 Service Instructions Manual
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Viessmann VITOCROSSAL 300 Service Instructions Manual

Gas condensing boiler
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VIESMANN
Service instructions
for contractors
Vitocrossal 300
Type CM3, 87 to 142 kW
Gas condensing boiler
For applicability, see the last page
VITOCROSSAL 300
Please keep safe.
5692 501 GB
11/2014

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Summary of Contents for Viessmann VITOCROSSAL 300

  • Page 1 VIESMANN Service instructions for contractors Vitocrossal 300 Type CM3, 87 to 142 kW Gas condensing boiler For applicability, see the last page VITOCROSSAL 300 Please keep safe. 5692 501 GB 11/2014...
  • Page 2 ■ Statutory regulations for the protection of the envi- For replacements, use only original spare parts ronment supplied or approved by Viessmann. ■ Codes of Practice of the relevant trade associations All current safety regulations as defined by DIN, EN, Safety instructions for operating the system ■...
  • Page 3 Safety instructions Safety instructions (cont.) If you smell flue gas Danger Flue gas can lead to life threatening poisoning. ■ Shut down the heating system. ■ Ventilate the installation site. ■ Close doors to living spaces to prevent flue gases from spreading. Flue systems and combustion air Ensure that flue systems are clear and cannot be sealed, for instance due to accumulation of conden-...

  • Page 4: Table Of Contents

    Index Index Information Symbols ....................Intended use ..................Commissioning, inspec- Steps - commissioning, inspection and maintenance ......tion, maintenance Parts lists Ordering parts ..................13 Thermal insulation ................. 14 Boiler ...................... 16 Commissioning/service ........................18 reports Specification ........................19 Certificates Declaration of conformity ...............

  • Page 5: Information Symbols

    Information Symbols The work sequences for commissioning, inspection Symbol Meaning and maintenance are summarised in the chapter Reference to other document containing "Commissioning, inspection and maintenance "and are further information marked as follows: Additional information, not safety relevant Symbol Meaning Step: Work sequences required during commis- The numbering corresponds to the se-...

  • Page 6: Commissioning, Inspec-Steps - Commissioning, Inspection And Maintenance

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • 1. Checking the high limit safety cut-out setting..............• 2. Filling the heating system with water and venting the system........• 3. Filling the trap with water....................•...

  • Page 7: Checking The High Limit Safety Cut-Out Setting

    Commissioning, inspection, maintenance Checking the high limit safety cut-out setting The high limit safety cut-out must not be set higher Control unit installation and service instructions than 110 °C. If required, set it to a maximum of 110 °C. Filling the heating system with water and venting the system Enter the amount of water charged, water hardness Please note and pH value into the table on page 11.

  • Page 8: Shutting Down The System

    Commissioning, inspection, maintenance Commissioning the system (cont.) 7. Check the function of the neutralising system. 9. Check the boiler door and cleaning cover a few days after commissioning and retighten all screws. Neutralising system operating instructions 8. Check all gaskets and plugs, and retighten if neces- sary.

  • Page 9: Checking Components Exposed To Flue Gas For Corrosion Damage

    Commissioning, inspection, maintenance Cleaning the combustion chamber and heating… (cont.) 1. Clean the combustion chamber and heating surfa- 2. Remove loosened deposits from the boiler. Thor- ces. oughly flush heating surfaces and the flue gas col- ■ For normal cleaning, flush the heating surfaces lector with a jet of water.

  • Page 10: Checking Gaskets And Thermal Insulation Components On The Boiler

    Commissioning, inspection, maintenance Checking gaskets and thermal insulation components on the boiler Fig.3 1. Check flue gas collector seal between flue gas 4. Check fittings on the water side for tightness. If required replace the gaskets. collector and boiler body for tightness.

  • Page 11: Cleaning And Reconnecting The Condensate Drain System

    Commissioning, inspection, maintenance Checking the water quality (cont.) Meter reading Fill and top- Total water Total hardness pH value Date up water volume Feedwater Boiler water The total hardness of the feed and top-up water must The pH value should be between 8.2 and 9.5. not exceed the standard values specified by VDI 2035 (see page 20).

  • Page 12: Checking The Condensate Drain And The Neutralising System (If Installed)

    Commissioning, inspection, maintenance Cleaning and reconnecting the condensate drain… (cont.) 3. Clean the neutralising system (if installed) in 4. Pull off hose and fit trap to the condensate accordance with the manufacturer's instructions. drain. Neutralising system operating instructions 5. Refit hose of the neutralising system to the trap.

  • Page 13: Parts Lists Ordering Parts

    Parts lists Ordering parts The following details are required when ordering parts: ■ Serial no. (see type plate ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list) Parts not shown Pos.

  • Page 14: Thermal Insulation

    Parts lists Thermal insulation Fig.5 Type plate Boiler control unit, see separate parts list...
  • Page 15 Parts lists Thermal insulation (cont.) Pos. Part Fascia Top panel Side panel, l.h. and r.h. side Front panel Thermal insulation mat, front Vitocrossal 300 logo Edge protector...

  • Page 16: Boiler

    Parts lists Boiler Fig.6...
  • Page 17 Parts lists Boiler (cont.) Pos. Part Flue gas collector Flue gas collector gasket Adjustable foot Trap Flue gasket Back panel Thermal insulation jacket Thermal insulation mat, back Cover plate, bottom Thermal insulation fixings...

  • Page 18: Commissioning/Service

    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 19: Specification

    Specification Specification Rated heating output range = 50/30 °C 29 to 87 38 to 115 47 to 142 = 80/60 °C 27 to 80 35 to 105 43 to 130 Rated heating input range 27 to 82 36 to 108 45 to 134 Product ID CE-0085 BN 0569...
  • Page 20 Water quality requirements Note Observing the following requirements is necessary to safeguard your warranty rights. The 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 Guideline 2035 Part 1 "Prevention of damage in water heating installations - Scale formation in domestic hot water...
  • Page 21 Water quality requirements (cont.) Failure to observe the requirements of VDI Guideline This measure must be carried out by a qualified con- 2035 can result in damaging limescale deposits. In tractor. Inspect the heating system for possible dam- such cases, the service life of the installed boilers will, age prior to returning it into use.

  • Page 22: Certificates Declaration Of Conformity

    This product meets the requirements of the Efficiency Directive (92/42/EEC) for condensing boilers. The product characteristics determined as system values for the product Vitocrossal 300 as part of EC type test- ing according to the Efficiency Directive (see specification table), can be utilised to assess the energy consump- tion of heating and ventilation equipment to DIN V 4701-10, which is specified by the EnEV [Germany].

  • Page 23: Keyword Index

    Keyword index Keyword index Boiler water requirements.......... 20 Neutralising system............8 Checking gaskets............9 Opening the boiler door..........8 Checking the water quality......... 10 Combustion chamber cleaning........8 Commissioning.............7 Parts................13 Condensate drain system...........11 Shutdown..............8 Declaration of conformity........... 22 Siphon, filling..............7 Specification...............19 Symbols............... 5 Heating system, filling..........
  • Page 24 Applicability Serial No.: 7170771 7170772 7170773 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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