Viessmann VITOLADENS 300-W Installation And Service Instructions Manual
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Viessmann VITOLADENS 300-W Installation And Service Instructions Manual

Wall mounted oil condensing boiler
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VIESMANN
Installation and service
instructions
for contractors
Vitoladens 300-W
Type VP3C, 12.9/19.3 kW, 16.1/23.5 kW
Wall mounted oil condensing boiler
For applicability, see the last page
VITOLADENS 300-W
Please keep safe.
5782 885 UAE
2/2013

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Summary of Contents for Viessmann VITOLADENS 300-W

  • Page 1 VIESMANN Installation and service instructions for contractors Vitoladens 300-W Type VP3C, 12.9/19.3 kW, 16.1/23.5 kW Wall mounted oil condensing boiler For applicability, see the last page VITOLADENS 300-W Please keep safe. 5782 885 UAE 2/2013...

  • Page 2: Code

    Repairing components that fulfil a ■ Legal instructions regarding the pre- safety function can compromise vention of accidents the safe operation of your sys- ■ Legal instructions regarding environ- tem. mental protection Replace faulty components only with original Viessmann spare parts.
  • Page 3 Installing non-author- ised components and making non-approved modifications or conversions can compromise safety and may invalidate our warranty. For replacements, use only orig- inal spare parts supplied or approved by Viessmann.

  • Page 4: Table Of Contents

    Index Index Service instructions Product information Intended use......................Installation instructions Preparing for installation................... Installation sequence Fitting the boiler and making connections............Flue gas connection..................... 11 Condensate connection..................11 Installing the oil supply as a single line system............ 12 Opening the control unit casing................13 Electrical connections...................
  • Page 5 Index Index (cont.) Checking outputs (relay test)................93 Troubleshooting Fault display......................95 Fault codes......................96 Repair........................104 Function description Control unit ......................112 External extensions (accessories)................ 115 Control functions....................119 Allocating heating circuits to the remote control........... 127 Designs Connection and wiring diagram – Internal connections ........128 Connection and wiring diagram –...

  • Page 6: Intended Use

    Product information Intended use The appliance is only intended to be installed and operated in sealed unven- ted heating systems that comply with EN 12828, with due attention paid to the associated installation, service and operating instructions. It is only designed for the heating of water that is of potable water quality.

  • Page 7: Preparing For Installation

    Preparing for installation Preparing for installation Preparing for boiler installation Please note For on-site preparation of the Avoid device damage. water and electrical connections, Connect all pipework free of load see the installation instructions and torque stress. for the installation aid or mount- ing frame.
  • Page 8 Preparing for installation Preparing for installation (cont.) G Wiring area K Condensate drain H Dimension for installation with DHW cylinder below 1. Prepare the water connections. Thor- oughly flush the heating system. 2. Prepare the oil connections (oil fil- ter). ■...

  • Page 9: Fitting The Boiler And Making Connections

    Installation sequence Fitting the boiler and making connections...
  • Page 10 Installation sequence Fitting the boiler and making connections (cont.) A Heating flow D Cylinder return B Expansion vessel connection E Heating return C Cylinder flow F Filling/draining...

  • Page 11: Flue Gas Connection

    Install the boiler horizontally and at 90 berne GmbH flue system" enclosed with degrees to the wall. the technical documentation may only be used in conjunction with the Viessmann Connect a balanced flue system to the flue system made by Skoberne. boiler flue connection.

  • Page 12: Installing The Oil Supply As A Single Line System

    Installation sequence Installing the oil supply as a single line system A Fuel oil filter with automatic air vent B Foot valve valve Install a single line fuel oil filter R ⅜ (filter Sizing the oil line grade max. 40 µm) and a fuel oil air vent Suction Max.

  • Page 13: Opening The Control Unit Casing

    Installation sequence Installing the oil supply as a single line… (cont.) Note For the oil line, select the smallest diam- eter required for the suction head. Opening the control unit casing Please note Electronic assemblies can be damaged by electrostatic dis- charge.
  • Page 14 Installation sequence Opening the control unit casing (cont.)

  • Page 15: Electrical Connections

    Installation sequence Electrical connections 230V~ 230V~ 7 6 5 4 3 2 1 A Radio clock connection Information on connecting Plug 230 V~ accessories fÖ Power supply When connecting accessories ■ Remove any existing individual observe the separate installation cores. instructions provided with them.
  • Page 16 Installation sequence Electrical connections (cont.) Connect the power sup- LV plugs ply and implement all Outside temperature sensor safety measures (e.g. RCD circuit) in accord- Installation: ance with the following ■ North or north-westerly wall, 2 to regulations: 2.5 m above ground level; in –...
  • Page 17 Installation sequence Electrical connections (cont.) Connection of accessories Power supply and KM BUS Power supply to all accessories via heat source control unit Some accessories with direct power supply A Heat source control unit D Extension AM1, EA1 and/or solar B Extension kit for heating circuit with control module, type SM1 mixer M2...

  • Page 18: Routing The Connecting Cables

    Installation sequence Electrical connections (cont.) Routing the connecting cables Please note When routing and securing con- If connecting cables touch hot necting cables on site, ensure components they will be dam- that the maximum permissible aged. temperatures for these cables are not exceeded.

  • Page 19: Closing The Control Unit Casing And Inserting The Programming Unit

    Installation sequence Closing the control unit casing and inserting the programming unit Insert programming unit (packed sepa- Wall mounting base installation rately) into the control unit support. instructions Note The programming unit can also be inser- ted into a wall mounting base (accesso- ries) near the boiler.

  • Page 20: Connecting The Fire Protection Switch (For A Only)

    Installation sequence Connecting the fire protection switch (for a only) Note Remove the existing jumper before con- necting the fire protection switch.

  • Page 21: Fitting The Front Panel

    Installation sequence Fitting the front panel 3. 2x...

  • Page 22: Steps - Commissioning, Inspection And Maintenance

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance For further information regarding the individual steps, see the page indicated Commissioning steps Inspection steps Maintenance steps Page • • • 1. Removing the front panel..........24 • 2. Filling the heating system..........25 •...
  • Page 23 Commissioning, inspection, maintenance Steps - commissioning, inspection and… (cont.) Commissioning steps Inspection steps Maintenance steps Page • • • 23. Checking all connections on the heating water side for leaks • • • 24. Checking the burner (record values on page 143 of the report) •...

  • Page 24: Removing The Front Panel

    Commissioning, inspection, maintenance Further details regarding the individual steps Removing the front panel 1. Remove front panel A. To do so, 2. If necessary, remove cover panel undo screws B.

  • Page 25: Filling The Heating System

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Filling the heating system Fill water ■ An antifreeze additive suitable for heating systems can be Please note added to the fill water. The anti- Unsuitable fill water increases freeze manufacturer must ver- the level of deposits and corro- ify its suitability.

  • Page 26: Changing The Language (If Required)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Close boiler drain & fill valve A. 2. Fill the heating system via boiler drain & fill valve A in the heating return (at the connection set or on site). Mini- 5.

  • Page 27: Venting The Boiler

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Venting the boiler 1. Close the shut-off valves on the heat- ing water side. 2. Connect the drain hose between top tap B and a drain. 3. Open taps A and B and vent at mains pressure, until no sound of escaping air can be heard.

  • Page 28: Filling The Siphon With Water

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Terminating venting program: Press OK or ä. Filling the siphon with water 1. Remove retaining clip A and siphon A B C 2. Fill siphon B with water. 3. Fit siphon B and secure with retain- ing clip A.

  • Page 29: Function Sequence And Possible Faults

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Function sequence and possible faults Display Measures Control unit is- Increase set value sues a heat de- and ensure heat is mand drawn off Oil preheating after approx. Check the oil pre- starts 10 min heater, lines and...
  • Page 30 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) The solenoid Fault Check the oil sup- valves open ply; check the sol- enoid valves Flame signal Fault Check ignition present electrodes, elec- Symbol A trode gaps and connecting cables Burner in opera- tion.

  • Page 31: Standard Values For Burner Adjustment

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Standard values for burner adjustment Note Check that the service instructions are valid for the relevant burner (see applic- ability on the last page and the serial no. on the boiler type plate). A Flue gas test port Rated heating out- 12.9/19.3...
  • Page 32 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Rated heating out- 12.9/19.3 16.1/23.5 ■ Test value with cov- 12.7-13.9 12.7-13.7 er panel Nozzle gap "a" +0.2/-0.3 +0.2/-0.3 (see page 36) Please note Installation position, oil preheater An incorrectly adjusted nozzle gap "a"...

  • Page 33: Adjusting The Oil Pressure And Checking The Vacuum

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Adjusting the oil pressure and checking the vacuum 1. Insert the pressure gauge (measur- ing range 0 - 25 bar or 0 - 2.5 MPa) into test port "P" A and the vacuum gauge (measuring range 0 - 1 bar or 0.1 MPa) into test port "V"...

  • Page 34: Adjusting The Air Volume (Static Burner Pressure)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Select burner stage 1 or 2: 4. Select the upper heating output: Select "Burner stage 1 + 2 ON" and 1. Press OK and å simultaneously confirm with OK. for approx. 4 s. 2.

  • Page 35: Cleaning The Burner

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the burner 1. Undo screws A, remove cover with 3. Undo Allen screw D and remove mixing assembly B and secure in rifling facility E. the service position. 4. Clean the restrictor, dosing ring and 2.

  • Page 36: Replacing The Nozzle And Checking Or Adjusting The Ignition Electrodes

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Replacing the nozzle and checking or adjusting the ignition elec- trodes 2.5 mm 1. Undo nozzle F whilst counterhold- ing the oil preheater. Prevent the for- mation of bubbles.
  • Page 37 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Insert a new LE nozzle F (counter- holding the oil preheater). Select the nozzle in accordance with the details on page 31. Please note Only use nozzles marked "V" (on the hexagon, see illustration).

  • Page 38: Cleaning And Replacing The Oil Pump Filter, If Required

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning and replacing the oil pump filter, if required Danfoss oil pump, type BFP 52 A Filter plug B O-ring (replace) C Filter (replace)
  • Page 39 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Suntec oil pump, type ATE2 A Filter C O-ring (replace) B Flat gasket (replace) D Cover...

  • Page 40: Checking The Heat Exchanger For Contamination

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the heat exchanger for contamination 1. Pull plugs aCA and a-Ö from the fan. 3. Undo four nuts on burner B and Remove the cables from the cable remove the burner. clip on the left side of the boiler.

  • Page 41: Cleaning The Heat Exchanger

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the heat exchanger Please note Note Do not scratch or otherwise dam- Discolouration on the heat exchanger age the surfaces of the heat surface is a normal sign of use. It has no exchanger that come into contact bearing on the function and service life with hot gas.

  • Page 42: Checking The Condensate Drain And Cleaning The Siphon

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the condensate drain and cleaning the siphon 1. Check at siphon B that the conden- A B C sate can drain freely. 2. Remove retaining clip A and the siphon.

  • Page 43: Matching The Control Unit To The Heating System

    System version 1 One heating circuit without mixer A1 (with/without DHW heating) ID: 4605145_1001_01 1 Vitoladens 300-W 4 Cylinder temperature sensor 2 Outside temperature sensor 5 Heating circuit without mixer A1 3 DHW cylinder...
  • Page 44 30 % greater than the flow rate of the heating circuit with mixer. ID: 4605146_1001_01 1 Vitoladens 300-W 7 Temperature limiter to restrict the maximum temperature of underfloor 2 Outside temperature sensor heating systems...
  • Page 45 System version 3 One heating circuit without mixer A1 and one heating circuit with mixer M2 with system separation (with/without DHW heating) ID: 4605147_1001_01 1 Vitoladens 300-W 7 Temperature limiter to restrict the 2 Outside temperature sensor maximum temperature of underfloor...
  • Page 46 One heating circuit without mixer A1 with a separate heating circuit pump and one heating circuit with mixer M2 (with/without DHW heating) ID: 4605148_1001_01 1 Vitoladens 300-W 8 Temperature limiter to restrict the 2 Outside temperature sensor maximum temperature of underfloor...
  • Page 47 One heating circuit without mixer, one heating circuit with mixer M2 (with extension kit), one heating circuit with mixer M3 (with extension kit) and low loss header (with/without DHW heating) ID: 4605149_1001_01 1 Vitoladens 300-W 7 Heating circuit with mixer M2 2 Outside temperature sensor (heating circuit 2)

  • Page 48: Adjusting The Heating Curves (Only For Weather- Compensated Control Units)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) qQ Heating circuit with mixer M3 qR Heating circuit pump M3 (heating circuit 3) qT Extension kit for one heating circuit qW Temperature limiter to restrict the with mixer M3 maximum temperature of underfloor qZ Low loss header heating systems...
  • Page 49 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Slope -5 -10 -15 -20 Outside temperature in °C Slope setting ranges: Standard set room temperature ■ Underfloor heating systems: 0.2 to 0.8 ■ Low temperature heating systems: 0.8 to 1.6 Selecting the set room temperature Individually adjustable for each heating circuit.
  • Page 50 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) D Heating circuit pump "OFF" Changing the slope and level E Heating circuit pump "ON" Individually adjustable for each heating circuit. Changing the standard set room temper- ature Operating instructions Reduced set room temperature Outside temperature in °C A Changing the slope...

  • Page 51: Linking The Control Unit To The Lon

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Linking the control unit to the LON The LON communication module Note (accessories) must be plugged in. In the same LON system, the same sub- scriber number must not be allocated Installation instructions twice.

  • Page 52: Instructing The System User

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Boiler control unit Vitotronic 200-H Vitotronic 200-H Vitocom Viessmann system Viessmann system Viessmann system — number. number. number. Code "98:1". Code "98:1". Code "98:1". LON subscriber fault LON subscriber fault LON subscriber fault —...

  • Page 53: Scanning And Resetting The "Service" Display

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Scanning and resetting the "Service" display After the limits specified in coding addresses "21" and "23" in the "Boiler" group have been reached, the red fault indicator flashes and "Service" and "¸"...

  • Page 54: Calling Up Coding Level 1

    Code 1 Calling up coding level 1 ■ On weather-compensated control 4. Select coding address. units, codes are displayed as plain text. 5. Select value according to the follow- ■ Codes that have not been assigned ing tables and confirm with OK. due to the heating system equipment level or the setting of other codes are 6.

  • Page 55: General

    Code 1 General Coding Coding in the delivered condition Possible change System design 00:1 System version 1: 00:2 For system schemes, see One heating circuit with- the following table: out mixer A1 00:10 (heating circuit 1), without DHW heating Value System Description address...
  • Page 56 Code 1 General (cont.) Coding in the delivered condition Possible change Internal circulation pump function 51:0 Internal circulation pump 51:1 System with low loss head- always starts when there is a heat demand When there is a heat de- mand, the internal circula- tion pump is only started if the burner is operational.

  • Page 57: Boiler

    Code 1 General (cont.) Coding in the delivered condition Possible change Lock out controls 8F:0 Operation in the standard 8F:1 Operation in standard menu and extended menu and extended menu menu enabled. blocked. Emissions test mode can Note be enabled The respective code is 8F:2 Operation enabled in the...
  • Page 58 Code 1 Boiler (cont.) Coding in the delivered condition Possible change Service status 24:0 "Service" not shown on 24:1 "Service" is shown on dis- display play (the address is auto- matically set and must be manually reset after a serv- ice has been carried out) Filling/Venting 2F:0...

  • Page 59: Solar

    Code 1 Solar Coding Coding in the delivered condition Possible change Speed control solar circuit pump 02:0 Solar circuit pump (multi 02:1 Solar circuit pump (multi stage) is not speed-con- stage) is speed-controlled trolled with wave packet control 02:2 Solar circuit pump is speed-controlled with PWM control Cylinder maximum temperature...

  • Page 60: Heating Circuit 1, Heating Circuit 2, Heating Circuit 3

    Code 1 Solar (cont.) Coding in the delivered condition Possible change Extended solar control functions 20:0 No extended control func- 20:1 Auxiliary function for DHW tions enabled heating. 20:2 Differential temperature control 2 20:3 Differential temperature control 2 and auxiliary func- tion.
  • Page 61 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Parameter address With heating circuit pump logic function: Heating cir- A5:... cuit pump "OFF" AT > RT + 5 K AT > RT + 4 K AT > RT + 3 K AT >...
  • Page 62 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Extended economy function mixer A7:0 Without mixer economy A7:1 With mixer economy func- function (only for heating tion (extended heating cir- circuits with mixer) cuit pump logic): Heating circuit pump also "OFF":...
  • Page 63 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Economy function room temperature b5:0 With remote control: no b5:1 For heating circuit pump room temperature-de- logic function, see the fol- pendent heating circuit b5:8 lowing table: pump logic function...
  • Page 64 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Ext. heating program changeover to heating circuit d8:0 No heating program d8:1 Heating program change- changeover via extension over via input DE1 at ex- tension EA1 d8:2 Heating program change-...
  • Page 65 Code 1 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change Party mode time limit F2:8 Time limit for party mode F2:0 No time limit for party or external operating pro- mode gram changeover via but- F2:1 Time limit adjustable from 1 ton: 8 h...

  • Page 66: Calling Up Coding Level 2

    Code 2 Calling up coding level 2 ■ All codes are accessible in coding 5. Select coding address. level 2. ■ Codes that have not been assigned 6. Select value according to the follow- due to the heating system equipment ing tables and confirm with OK.

  • Page 67: General

    Code 2 General Coding Coding in the delivered condition Possible change 00:1 System version 1: 00:2 For system schemes, see One heating circuit with- the following table: out mixer (A1), without 00:10 DHW heating Value System Description address version 00: ... One heating circuit without mixer A1 (heating circuit 1), with DHW heating (code is adjusted automatically) 2, 3...
  • Page 68 Code 2 General (cont.) Coding in the delivered condition Possible change 32:0 Without extension AM1 32:1 With extension AM1 (auto- matic recognition) 33:1 Function output A1 at ex- 33:0 Function output A1: DHW tension AM1: Heating cir- circulation pump cuit pump 33:2 Function output A1: Circu- lation pump for cylinder...
  • Page 69 Code 2 General (cont.) Coding in the delivered condition Possible change 3A:6 Function input DE1: Brief operation, DHW circulation pump (pushbutton func- tion). DHW circulation pump run- time adjustment: Coding address 3d 3b:0 Function input DE2 at ex- 3b:1 Function input DE2: Heat- tension EA1: Not as- ing program - changeover signed...
  • Page 70 Code 2 General (cont.) Coding in the delivered condition Possible change 3C:2 Function input DE3: Exter- nal demand with set flow temperature. Flow temperature setting: Coding address 9b. Internal circulation pump function: Coding address 3C:3 Function input DE3: Exter- nal blocking. Internal circulation pump function: Coding address 3C:4...
  • Page 71 Code 2 General (cont.) Coding in the delivered condition Possible change 3F:2 Internal circulation pump starts at signal "External demand" 51:0 Internal circulation pump 51:1 System with low loss head- always starts when there is a heat demand When there is a heat de- mand, the internal circula- tion pump is only started if the burner is operational.
  • Page 72 Code 2 General (cont.) Coding in the delivered condition Possible change 76:0 Without LON communi- 76:1 With LON communication cation module module (automatic recog- nition) 77:1 LON subscriber number 77:2 LON subscriber number, adjustable from 1 to 99: 77:99 1 - 4 = Boiler 5 = Cascade 10 - 97 = Vitotronic 200-H 98 = Vitogate...
  • Page 73 97:2 The control unit transmits connected to the control the outside temperature to unit is utilised internally the Vitotronic 200-H 98:1 Viessmann system num- 98:1 System number adjustable ber (in conjunction with from 1 to 5 monitoring several sys- 98:5...

  • Page 74: Boiler

    Code 2 General (cont.) Coding in the delivered condition Possible change 9C:20 Monitoring LON subscrib- 9C:0 No monitoring 9C:5 Time adjustable from 5 to If there is no response 60 min from a subscriber after 9C:60 20 min, the values speci- fied inside the control unit are used.
  • Page 75 Code 2 Boiler (cont.) Coding in the delivered condition Possible change 24:0 "Service" not shown on 24:1 "Service" is shown on dis- display play (the address is auto- matically set and must be manually reset after a serv- ice has been carried out) 26:0 Burner fuel consumption 26:1...
  • Page 76 Code 2 Coding Coding in the delivered condition Possible change 56:0 Set DHW temperature 56:1 Set DHW temperature ad- adjustable from 10 to justable from 10 to above 60 °C 60 °C Note Max. value subject to boiler coding card. Observe the max.
  • Page 77 Code 2 (cont.) Coding in the delivered condition Possible change 62:2 Circulation pump with 62:0 Circulation pump without 2 min run-on time after run-on time cylinder heating 62:1 Run-on time adjustable from 1 to 15 min 62:15 65:... Information on the type of diverter valve (never ad- just;...

  • Page 78: Solar

    Code 2 Solar Coding Coding in the delivered condition Possible change 00:8 Start temperature differ- 00:2 Start temperature differen- ential for solar circuit tial adjustable from 2 to pump 8 K. 00:30 30 K 01:4 Stop temperature differ- 01:1 Stop temperature differen- ential for solar circuit tial adjustable from 1 to pump 4 K.
  • Page 79 5 K 0b:0 Frost protection function 0b:1 Frost protection function for solar circuit switched for solar circuit switched on (not required with Viessmann heat transfer medium) 0C:1 Delta T monitoring 0C:0 Delta T monitoring switch- switched on. ed off.
  • Page 80 Code 2 Solar (cont.) Coding in the delivered condition Possible change ■ Target temperature control switched on (code "10:1"): Temperature at which the solar heated water in the DHW cylinder is to be stratified. ■ Code "20:9" (heating of two DHW cylinders) is selected: When one DHW cylin- der reaches its set...
  • Page 81 Code 2 Solar (cont.) Coding in the delivered condition Possible change 22:8 Start temperature differ- 22:2 Start temperature differen- ential with central heating tial adjustable from 2 to backup (code "20:4" must 22:30 30 K be selected) 8 K. 23:4 Stop temperature differ- 23:2 Stop temperature differen-...

  • Page 82: Heating Circuit 1, Heating Circuit 2, Heating Circuit 3

    Code 2 Solar (cont.) Coding in the delivered condition Possible change After the selected cyclical heating time for the DHW cylinder without priority has expired, the rise in collector temperature is captured during the cycli- cal pause time. Heating circuit 1, heating circuit 2, heating circuit 3 Coding Coding in the delivered condition Possible change...
  • Page 83 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Parameter Heating circuit pump Address A3:... "ON" "OFF" -10 °C -8 °C -9 °C -7 °C -8 °C -6 °C -7 °C -5 °C -6 °C -4 °C -5 °C -3 °C -4 °C -2 °C...
  • Page 84 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Parameter address With heating circuit pump logic function: Heating cir- A5:... cuit pump "OFF" OT > RT + 1 K OT > RT OT > RT - 1 K OT > RT - 9 K Coding in the delivered condition Possible change...
  • Page 85 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change A9:7 With pump idle time: A9:0 Without pump idle time heating circuit pump A9:1 With pump idle time, ad- "OFF" in case of set value justable from 1 to 15.
  • Page 86 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Parameter ad- With heating circuit pump logic function: dress b5:... Heating circuit pump "OFF" Heating circuit pump "ON" > RT < RT - 1 K actual actual > RT - 1 K <...
  • Page 87 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change d7:2 Heating circuit pump starts at signal "External de- mand" (subject to coding addresses 3A, 3b and 3C) d8:0 No operating program d8:1 Operating program changeover via extension changeover via input DE1...
  • Page 88 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change 30 % of the max. speed (only for weather-com- pensated control units) E8:1 Only for heating systems E8:0 Speed subject to the set- without a heating circuit ting in coding address with mixer:...
  • Page 89 Code 2 Heating circuit 1, heating circuit 2, heating… (cont.) Coding in the delivered condition Possible change F8:-5 Temperature limit for ter- F8:+10 Temperature limit adjusta- minating the reduced ble from mode -5 ºC, see example F8:-60 +10 to -60 °C on page 124.

  • Page 90: Diagnosis And Service Scans Calling Up The Service Level

    Diagnosis and service scans Calling up the service level Press OK and å simultaneously for approx. 4 s. Service menu overview Service General Diagnosis Heating circuit 1 Heating circuit 2 Actuator test Heating circuit 3 Coding level 1 Solar Brief scan Coding level 2 Reset data Fault history...

  • Page 91: Brief Scan

    Diagnosis and service scans Diagnosis (cont.) Calling up operating data 2. "Diagnosis" 1. Press OK and å simultaneously 3. Select required group, e.g. "Gen- eral" for approx. 4 s. Resetting operating data Saved operating data (e.g. hours run) can be reset to 0. The value "Adjusted outside temp"...
  • Page 92 Diagnosis and service scans Diagnosis (cont.) For an explanation of the relevant values in the individual lines and fields, see the following table: Line (brief Field scan) Software version, Appliance version Combustion controller control unit version System scheme 01 Number Maximum demand temperature to 10 of KM...

  • Page 93: Checking Outputs (Relay Test)

    Diagnosis and service scans Diagnosis (cont.) Line (brief Field scan) Internal circulation pump Variable Software speed version, pump variable 0: w/o speed 1: Wilo pump 2: Grund- 0: no var- iable speed pump Software Software version, version, ex- exten- tension sion AM1 Checking outputs (relay test) 1.
  • Page 94 Diagnosis and service scans Checking outputs (relay test) (cont.) Display Explanation Heating circ Heating circuit pump output enabled (extension to pump HC3 heating circuit with mixer) Mixer HC3 Open "Mixer open" output enabled (extension to heating circuit with mixer) Mixer HC3 Close "Mixer close"...

  • Page 95: Fault Display

    Troubleshooting Fault display Weather-compensated control unit In the event of a fault, red fault indicator Calling up acknowledged faults A flashes. " " flashes on the display and "Fault" is shown. Select "Fault" in the standard menu. The current faults will be displayed in a list.

  • Page 96: Fault Codes

    Troubleshooting Fault codes Displayed System characteris- Cause Measures fault code tics Regulates as if the Short circuit, out- Check outside tempera- outside temperature side temperature ture sensor (see were 0 °C sensor page 104) Regulates as if the Lead break, out- Check outside tempera- outside temperature side temperature...
  • Page 97 Troubleshooting Fault codes (cont.) Displayed System characteris- Cause Measures fault code tics No DHW heating by Lead break, cylin- Check sensors (see the boiler der temperature page 105) sensor Control mode Short circuit, tem- Check sensor / on solar perature sensor / control module Control mode Short circuit, tem-...
  • Page 98 Troubleshooting Fault codes (cont.) Displayed System characteris- Cause Measures fault code tics Control mode Solar control mod- Replace solar control ule or Vitosolic module or Vitosolic faulty Control mode as per Programming unit Replace programming delivered condition faulty unit Burner blocked Short circuit, flue Check flue gas tempera- gas temperature...
  • Page 99 Troubleshooting Fault codes (cont.) Displayed System characteris- Cause Measures fault code tics Control mode without Communication er- Check connections, ca- remote control ror, remote control ble, coding address "A0" Vitotrol heating cir- in "Heating circuit" cuit 2 (with mixer) group and remote control settings (see page 127).
  • Page 100 Troubleshooting Fault codes (cont.) Displayed System characteris- Cause Measures fault code tics Control mode, max. Communication er- Check coding address pump speed ror, external varia- setting "E5" in "Heating ble speed heating circuit" group. circuit pump, heat- ing circuit 2 (with mixer) Control mode, max.
  • Page 101 Troubleshooting Fault codes (cont.) Displayed System characteris- Cause Measures fault code tics Control mode without Short circuit, room Check room temperature room influence temperature sen- sensor, heating circuit 2 sor, heating circuit 2 (with mixer) Control mode without Short circuit, room Check room temperature room influence temperature sen-...
  • Page 102 Troubleshooting Fault codes (cont.) Displayed System characteris- Cause Measures fault code tics Burner in a fault Temperature limit- Check heating system fill state er has responded. level. Check circulation pump. Vent the system. Check temperature limiter and connecting cables. Press reset button R. Burner in a fault Flame signal is al- Check ignition electrodes,...
  • Page 103 Troubleshooting Fault codes (cont.) Displayed System characteris- Cause Measures fault code tics Burner in a fault 3 x flame blow-off Check oil supply, check state during operation nozzle. Press reset button R. Burner in a fault state Boiler coding card Insert the boiler coding and additional fault is missing...

  • Page 104: Repair

    Troubleshooting Repair Checking the outside temperature sensor (weather-compensa- ted control unit) 1. Pull plug "X3" from the control unit. 2. Test the resistance of the outside temperature sensor across terminals "X3.1" and "X3.2" on the disconnec- ted plug and compare it with the curve.
  • Page 105 Troubleshooting Repair (cont.) Checking the boiler water temperature sensor, the cylinder tem- perature sensor or the flow temperature sensor for the low loss header...

  • Page 106: Check Flue Gas Temperature Sensor

    Troubleshooting Repair (cont.) 1. ■ Boiler water temperature sensor: Pull the leads from boiler water temperature sensor A and check the resistance. ■ Cylinder temperature sensor: Pull plug % from the cable harness at the control unit and check the resistance.
  • Page 107 Troubleshooting Repair (cont.) 1. Pull leads from flue gas temperature sensor A. 2. Check the sensor resistance and compare it with the curve. 3. Replace the sensor in the case of severe deviation. 10 30 50 70 90 110 Temperature in °C Sensor type: NTC 10 kΩ...
  • Page 108 Troubleshooting Repair (cont.) Checking the temperature limiter If the burner control unit cannot be reset after a fault shutdown although the boiler water temperature is below approx. 90 °C, carry out the following checks: 1. Pull the leads from temperature lim- 4.
  • Page 109 Troubleshooting Repair (cont.) Checking the fuse 1. Switch off the power. 3. Remove cover A. 2. Release the side closures and pivot 4. Check fuse F1 (see connection and the control unit down. wiring diagram). Extension kit, mixer Checking the setting of rotary selec- Heating circuit Rotary se- tor S1...
  • Page 110 Troubleshooting Repair (cont.) Checking the rotational direction of Note the rotational direction of the mixer the mixer motor motor during its self-test. Then set the mixer manually to "Open" After being switched on, the boiler imple- again. ments a self-test. During this, the mixer is opened and closed again.
  • Page 111 Troubleshooting Repair (cont.) Check flow temperature sensor Pressure drop curve 10 30 50 70 90 110 Temperature in °C Sensor type: NTC 10 kΩ 1. Disconnect plug ? (flow tempera- 2. Check the sensor resistance and ture sensor). compare it with the curve. Replace the sensor in the case of severe deviation.

  • Page 112: Control Unit

    Function description Control unit 21°C 14°C Boiler temperature 48°C Heating mode The control unit calculates a set boiler The burner control unit calculates the water temperature depending on the out- heat demand and controls the 2-stage side temperature and/or the room tem- burner accordingly.

  • Page 113: Internal Extension H

    Function description Control unit (cont.) Boosting DHW heating This function is activated by specifying a Heating is boosted during the periods second set DHW temperature via coding selected in this time phase. address 58 in the "DHW" group and acti- vating the fourth DHW phase for DHW heating.
  • Page 114 Function description Control unit (cont.) The internal extension is factory-fitted inside the control unit casing. The follow- ing functions are connected to the relay outputs: sÖ Internal circulation pump aXA Oil preheater...

  • Page 115: External Extensions (Accessories)

    Function description External extensions (accessories) Extension AM1 Circulation pump fÖ A Power supply for additional Circulation pump accessories fÖ Power supply aVG KM BUS...
  • Page 116 Function description External extensions (accessories) (cont.) Functions Select the output functions by means of the codes on the boiler control unit. One of the following circulation pumps can be connected to each of the connec- tions A1 and A2: ■ Heating circuit pump for the heating circuit without mixer ■...

  • Page 117: Extension Ea1

    Function description External extensions (accessories) (cont.) Extension EA1 fÖ A Power supply for additional Fuse/MCB accessories Digital input 1 Central fault message/feed Digital input 2 pump/DHW circulation pump Digital input 3 (potential-free) 0 – 10 V 0 – 10 V input KM BUS fÖ...
  • Page 118 Function description External extensions (accessories) (cont.) Digital data inputs DE1 to DE3 The effect of the operating program changeover is selected via coding The following functions can be connec- address d5 in the "Heating circuit" ted alternatively: group. ■ External operating program change- The duration of the changeover is set via over for each heating circuit coding address F2 in the "Heating cir-...

  • Page 119: Control Functions

    Function description External extensions (accessories) (cont.) Analogue input 0 – 10 V Output aBJ The 0 – 10 V hook-up provides an addi- The following functions can be connec- tional set boiler water temperature: ted to output aBJ: 0 – 1 V is taken as "no default for set ■...
  • Page 120 Function description Control functions (cont.) You can select which direction the oper- ating program changeover takes in cod- ing address "d5" in the "Heating cir- cuit" group: Heating program - changeover Code Changeover towards "Permanently reduced" or "Permanent d5:0 standby mode" (subject to the selected set value) Changeover towards "Constant heating mode"...
  • Page 121 Function description Control functions (cont.) External blocking and fault message input Code Input DE1 3A:4 Input DE2 3b:4 Input DE3 3C:4 The effect on the internal circulation The effect on the relevant heating circuit pump is selected in coding address pump is selected in coding address "3E"...
  • Page 122 Function description Control functions (cont.) Fill program In the delivered condition, the diverter Filling with the control unit switched valve is set to its central position, ena- bling the system to be filled completely. After the control unit has been switched If the system is to be filled with the control on, the diverter valve no longer goes into unit switched on, the diverter valve is...
  • Page 123 Function description Control functions (cont.) Temperature profile 2: (ZV parquet and flooring technology) code "F1:2" Days Temperature profile 3: Code "F1:3" Days Temperature profile 4: Code "F1:4" Days Temperature profile 5: Code "F1:5" Days...
  • Page 124 Function description Control functions (cont.) Temperature profile 6: Code "F1:6" Days Temperature profile 7: Code "F1:15" Days Raising the reduced room temperature During operation with reduced room The outside temperature limits for the temperature, the reduced set room tem- start and end of temperature raising can perature can be automatically raised be set in coding addresses "F8"...
  • Page 125 Function description Control functions (cont.) Example using the settings in the delivered condition -5 -10 -15 Outside temperature in °C A Heating curve for operation with B Heating curve for operation with standard room temperature reduced room temperature Reducing the heat-up time During the transition from operation with The value and duration of the additional reduced room temperature to operation...
  • Page 126 Function description Control functions (cont.) Example using the settings in the delivered condition Time in h A Start of operation with standard D Duration of operation with raised set room temperature boiler water or flow temperature in B Set boiler water or flow temperature accordance with coding address in accordance with the selected "Fb":...

  • Page 127: Allocating Heating Circuits To The Remote Control

    Function description Allocating heating circuits to the remote control The heating circuit allocation must be configured when commissioning the Vitotrol. Heating circuit Vitotrol configuration 200A/200 RF 300A/300 RF The remote control affects the heating circuit with- HC 1 out mixer A1 The remote control affects the heating circuit with HC 2 mixer M2...

  • Page 128: Connection And Wiring Diagram – Internal Connections

    Designs Connection and wiring diagram – Internal connections X ... Electrical interfaces Ignition unit § Boiler water temperature sensor a-Ö Flue gas temperature sensor a-ÖA Fan control dÖ Stepper motor for diverter valve Air pressure switch Temperature limiter...

  • Page 129: Connection And Wiring Diagram – External Connections

    Designs Connection and wiring diagram – External connections Main PCB Burner control unit Power supply unit Programming unit Optolink Coding card...
  • Page 130 Designs Connection and wiring diagram – External… (cont.) Connection adaptor Flow temperature sensor, low loss LON communication module header Internal extension H3 Cylinder temperature sensor ON/OFF switch sÖ Internal circulation pump Reset button fÖ Power supply aXA Oil preheater Oil pump aXF Flame monitor Fuel valve stage 1 aVG KM BUS...

  • Page 131: Ordering Parts

    Parts lists Ordering parts The following information is required: Standard parts are available from your ■ Serial no. (see type plate A) local supplier. ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list)

  • Page 132: Overview Of The Assemblies

    Parts lists Overview of the assemblies A Type plate D Burner assembly B Casing assembly E Hydraulic assembly C Heat cell assembly F Miscellaneous assembly...

  • Page 133: Casing Assembly

    G Control unit assembly Casing assembly 0001 Fixing clips (2 pce) 0005 Profiled gasket 0002 Clip nut (set) 0006 Cover panel with gaskets 0003 Control unit support 0007 Viessmann logo 0004 Safety guard 0008 Front panel 0005 0005 0006 0002...

  • Page 134: Heat Cell Assembly

    Parts lists Heat cell assembly 0001 Wall mounting bracket 0008 Flue gas temperature sensor 0002 Ventilation air gasket DN 125 0009 Top cover 0003 Diaphragm grommet (5 pce) 0010 Diaphragm grommet DN 80 0004 Quick-action air vent valve G⅜ 0011 Hose Ø 19 x 600 0005 Silencer 0012 Hose clip 0006 Boiler flue connection...
  • Page 135 Parts lists Heat cell assembly (cont.) 0004 0001 0003 0009 0010 0008 0002 0007 0005 0010 0012 0006 0013 0002 0011 0007 0013 0014 0010 0012...

  • Page 136: Burner Assembly

    Parts lists Burner assembly 0001 Flame tube 0015 Gasket set, radial fan 0002 Thermal insulation ring 0016 Oil pump motor 0003 Pack (gasket) 10 x 10 0017 Motor/pump coupling 0004 Gaskets (set) 0018 Pivoting angle fitting 0005 Rifling facility 0019 Oil hose 0006 Ignition electrode block 0020 Oil pump 0007 Nozzle...
  • Page 137 Parts lists Burner assembly (cont.) 0014 0019 0013 0001 0015 0015 0025 0002 0003 0017 0016 0004 0017 0003 0018 0007 0012 0020 0023 0005 0004 0008 0022 0009 0006 0024 0021 0004 0027 0004 0023 0010 0028 0011 0029...

  • Page 138: Hydraulic Assembly

    Parts lists Hydraulic assembly 0001 O-ring 20.6 x 2.6 0014 Condensate hose 0002 Temperature sensor 0015 Hose clip 0003 Air vent valve G 3/8 0016 Round sealing ring 8 x 2 (5 pce) 0004 Linear stepper motor 0017 Hose clip 0005 Push-fit connector retainer (set) 0018 Spring clip;...
  • Page 139 Parts lists Hydraulic assembly (cont.) 0005 0006 0024 0001 0005 0006 0009 0019 0001 0012 0009 0002 0005 0006 0006 0021 0002 0003 0005 0005 0007 0012 0006 0003 0007 0016 0023 0012 0017 0018 0017 0010 0015 0011 0020 0012 0008 0016...

  • Page 140: Control Unit Assembly

    Parts lists Control unit assembly 0001 Control unit 0011 Cable harness 121/124 0002 Control unit casing back panel 0012 Power cable, stepper motor 0003 Coding card 0013 Mating plug 0004 Fuse 6.3 A slow (10 pce) 0014 Cable fixing 0005 Locking handle 0015 Locking bolts, left and right 0007 Programming unit 0016 Outside temperature sensor NTC...
  • Page 141 Parts lists Control unit assembly (cont.) 0013 0002 0005 0009 0015 0001 0003 0015 0009 0014 0005 0004 0015 0007 0016 0011 0010 0012 0018 0019...

  • Page 142: Miscellaneous Assembly

    Parts lists Miscellaneous assembly 0001 Operating instructions 0004 Special grease 0002 Installation and service instruc- 0005 Spray paint, Vitowhite tions 0006 Touch-up paint stick, Vitowhite 0003 Heat conducting paste 0005 0006 0002 0003 0001 0004...

  • Page 143: Commissioning/Service Reports

    Commissioning/service reports Commissioning/service reports Setting and test values Commission- Maintenance/ Service Oil pressure Stage 1 actual Stage 2 actual Vacuum actual after mainte- nance Carbon dioxide content CO Stage 1 actual % by vol. % by vol. Stage 2 actual % by vol.
  • Page 144 Commissioning/service reports Commissioning/service reports (cont.) Setting and test values Commission- Maintenance/ Service Stage 1 actual mbar mbar Stage 2 actual mbar mbar...

  • Page 145: Specification

    Specification Specification Rated voltage: 230 V~ Control thermostat Rated frequency: 50 Hz and temperature con- Rated current: 6.0 A troller setting: 75 °C Safety category: Temperature limiter IP rating: IP 20 setting: 100 °C Backup fuse (power Permissible ambient temperature supply): max.

  • Page 146: Declaration Of Conformity

    Certificates Declaration of conformity We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, declare as sole respon- sible body that the product Vitoladens 300-W oil condensing boiler complies with the following standards: EN 267 EN 55 014 EN 303 EN 60 335-1...

  • Page 147: Manufacturer's Certificate According To The 1St Bimschv [Germany]

    Certificates Manufacturer's certificate according to the 1st BImSchV [Germany] We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, confirm that the product Vitoladens 300-W oil condensing boiler complies with the NO limits specified by the 1st BImSchV paragraph 6 [Germany]: Allendorf, 1 July 2012 Viessmann Werke GmbH&Co KG...

  • Page 148: Keyword Index

    Keyword index Keyword index Acknowledging a fault display....95 Fault codes........96 Adjusting the air volume.....34 Fault history........95 Adjusting the ignition electrodes..36 Fault manager........51 Adjusting the oil pressure....33 Fault memory........95 Faults..........95 Fill function........122 Boiler water temperature sensor ..105 Filling the system.......26 Boosting DHW heating.....113 Fill water..........25 Brief scans.........91 Flue gas temperature sensor...107...
  • Page 149 Keyword index Keyword index (cont.) Operating program changeover..119 Siphon Outside temperature sensor....104 ■ Cleaning.........42 ■ Filling..........28 Specification ........145 Reduced room temperature raising. 124 Standard set room temperature..49 Reduced set room temperature..50 Standard values for burner adjust- Reducing the heat-up output....124 ment...........31 Reducing the heat-up time....125 Static burner pressure......34...
  • Page 152 Applicability Serial no. (see type plate): 7521643 7521644 Viessmann Middle East FZE Viessmann Werke GmbH&Co KG E-Wing, Office 603 D-35107 Allendorf HQ Building Telephone: +49 6452 70-0 Dubai Silicon Oasis Fax: +49 6452 70-2780 PO Box 341330 www.viessmann.com Dubai, UAE...

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