Viessmann Vitocrossal 300 CT3 SERIES Service Instructions Manual Download Page 1

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Service instructions

for contractors

VIESMANN

Vitocrossal 300
Type CT3

, 187 to 635 kW

Gas condensing boiler

For applicability, see the last page

VITOCROSSAL 300

5692 909 GB

12/2011

Please keep safe.

Summary of Contents for Vitocrossal 300 CT3 SERIES

Page 1: ...Service instructions for contractors VIESMANN Vitocrossal 300 Type CT3 187 to 635 kW Gas condensing boiler For applicability see the last page VITOCROSSAL 300 5692 909 GB 12 2011 Please keep safe...

Page 2: ...accidents all legal instructions regarding envi ronmental protection the Code of Practice of relevant trade associations all current safety regulations as defined by DIN EN DVGW TRGI TRF VDE and all...

Page 3: ...tatic dis charges Touch earthed objects such as heating or water pipes to dis charge static loads Repair work Please note Repairing components which ful fil a safety function can compro mise the safe...

Page 4: ...ction and maintenance 5 Further details regarding the individual steps 7 Parts lists 18 Commissioning service reports 25 Specification 26 Certificates Declaration of Conformity 30 Certificates Manufac...

Page 5: ...chamber and heating surfaces 10 10 Checking gaskets and thermal insulation parts 10 11 Checking all connections and the sensor well on the heating water side for leaks 11 12 Checking the function of...

Page 6: ...enance steps Page 22 Checking the flue system for leaks 23 Adjusting the burner 16 24 Instructing the system user 16 25 Operating and service documents 17 Commissioning inspection maintenance Steps co...

Page 7: ...r see Minimising pulsation noise on page 8 Commissioning the system Operating instructions for control unit burner and neutralising sys tem service instructions for con trol unit and burner manufactur...

Page 8: ...all screws Danger For safe operation a minimum operating pressure of 0 5 bar is essential For this a minimum pressure switch can be used Minimising pulsation noise Whatever the make of boiler burner o...

Page 9: ...pipe 2 Undo the screws on the boiler door and open the door Please note Scratches inside the combustion chamber can lead to corrosion Never put tools or other objects into the combustion chamber Separ...

Page 10: ...ional surfactants e g Fauch 600 Remove coatings and surface discolouration yellow brown with slightly acidic chloride free cleaning agents based on phos phoric acid e g Antox 75 E 2 Remove loose depos...

Page 11: ...is open B A 1 Remove cap A from the back of the boiler 2 Check sensor well B for leaks 3 Fit cap A Checking the function of the safety equipment Check the safety valves water level lim iter and pressu...

Page 12: ...pressure fluc tuations and more significant pressure differentials point towards a system fault Immediately remedy such faults other wise other heating system components may become damaged Diaphragm e...

Page 13: ...es of condensate on the outside of the flue gas collector indicate a leak 2 If required retighten the gaskets at clamping clips A and at actuator damper B Commissioning inspection maintenance Further...

Page 14: ...Checking the thermal insulation Check the thermal insulation fit and re align if required Checking the mixer for ease of operation and leaks 1 Remove the motorised lever from the mixer handle 2 Check...

Page 15: ...otal hardness of the feed and top up water must not exceed the standard values specified by the VDI 2035 see page 27 The pH value should be between 8 2 and 9 5 Cleaning and reconnecting the condensate...

Page 16: ...rain and fill with water or fit a siphon and fill that with water Note There is a risk of flue gas escaping if the U bend or siphon is not filled with water 6 Connect the supply line to the neu tralis...

Page 17: ...ystem users their section for safekeeping Retain the heating contractor s section 2 File all parts lists operating and serv ice instructions in the folder and hand this over to the system user Commiss...

Page 18: ...tre 210 Front panel bottom 211 Back panel top 214 Side panel bottom 215 Side panel top 216 Side panel l h and r h 217 Finned bottom panel r h front 220 Finned bottom panel l h front 221 Cap 222 6 fold...

Page 19: ...19 206 229 207 207 231 231 231 228 200 201 206 082 082 Parts lists Parts lists cont 5692 909 GB...

Page 20: ...20 202 203 087 090 206 207 207 207 230 230 093 Parts lists Parts lists cont 5692 909 GB...

Page 21: ...21 C 237 216 208 234 220 209 210 222 217 Parts lists Parts lists cont 5692 909 GB...

Page 22: ...22 221 236 211 232 238 235 B 233 239 214 226 223 225 224 227 215 240 Parts lists Parts lists cont 5692 909 GB...

Page 23: ...23 076 077 073 074 075 098 097 095 069 071 070 072 096 096 099 Parts lists Parts lists cont 5692 909 GB...

Page 24: ...24 087 086 087 086 081 080 084 083 Parts lists Parts lists cont 5692 909 GB...

Page 25: ...vice Service date by Service Service Service date by Service Service Service date by Service Service Service date by Service Service Service date by Commissioning service reports Commissioning service...

Page 26: ...40 40 40 40 40 Temperature at return temp 60 C C 75 75 75 75 75 75 Product parameters according to EnEV Efficiency at 100 of the rated heating output 97 8 97 6 97 8 97 5 97 6 97 6 at 60 of the rated h...

Page 27: ...0 11 2 200 to 600 1 5 8 4 600 0 02 0 11 The standard values assume the follow ing The total volume of fill and top up water during the system s service life will not exceed three times the water cont...

Page 28: ...so observe the follow ing during commissioning Commission the system step by step starting with the lowest boiler output and a high heating water flow rate This prevents localised concentration of lim...

Page 29: ...e The pre charge pressure of the diaphragm expansion vessel should be checked at least during the annual service For pressure main taining systems see page 12 The use of gas permeable components e g p...

Page 30: ...diant burner conforms to the following standards EN 303 EN 60335 1 EN 676 EN 60335 2 102 EN 15417 EN 61000 3 2 EN 15420 EN 61000 3 3 EN 50090 2 2 EN 62233 EN 55014 1 TRD 702 EN 55014 2 In accordance w...

Page 31: ...e gas loss of max 9 in accordance with para 10 1 The standard seasonal efficiency to DIN of at least 94 according to para 6 2 Boiler and burner unit Vitocrossal 300 type CT3 170 285 187 314 kW with Ma...

Page 32: ...ystem pressure 11 Checking the thermal insulation 14 Checking the water quality 15 Cleaning the combustion chamber 10 Cleaning the condensate drain sys tem 15 Cleaning the heating surfaces 10 Cleaning...

Page 33: ...33 5692 909 GB...

Page 34: ...34 5692 909 GB...

Page 35: ...35 5692 909 GB...

Page 36: ...ed Hortonwood 30 Telford 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...

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