Viessmann Vitoclima 200-C Service Instructions Manual
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Viessmann Vitoclima 200-C Service Instructions Manual

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VIESMANN
Service instructions
for contractors
Vitoclima 200-C
Chillers for external installation as 400 V version
For cooling as well as for cooling and heating operation
For applicability, see the last page
VITOCLIMA 200-C
Please keep safe.
5692 696 GB
2/2007

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  • Page 1 VIESMANN Service instructions for contractors Vitoclima 200-C Chillers for external installation as 400 V version For cooling as well as for cooling and heating operation For applicability, see the last page VITOCLIMA 200-C Please keep safe. 5692 696 GB 2/2007...
  • Page 2 Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained the Code of Practice of relevant trade associations. Danger all current safety regulations as This symbol warns against the defined by DIN, EN, VDE and all risk of injury.
  • Page 3 Replace faulty components compromise its function. Instal- only with original Viessmann ling non-authorised compo- spare parts. nents and non-approved modifications or conversions can compromise safety and may invalidate our warranty.

  • Page 4: Table Of Contents

    Parts lists Parts list Vitoclima 200-C, type OC208............44 Parts list Vitoclima 200-C, type OC211 to OC215 ........44 Parts list fan convectors, type V202H to V209H ........... 45 Parts list ceiling cassette devices, type C202H to C205H ......45 Parts list duct mounted devices, type DC205H to DC210H......
  • Page 5 Index Index (cont.) Appendix Pump curves ....................53 Certificates Declaration of conformity ................57 Keyword index ..................58...

  • Page 6: Unit Layouts

    Unit layouts Unit layout type OC208 A Manual air vent valve on the flow E Phase monitor (only for 400 V ver- B ON/OFF switch sion) C Programming unit F Diaphragm expansion vessel D Cover for the circulation pump G Fill & drain valve...
  • Page 7 Unit layouts Unit layout type OC208 (cont.) A Manual air vent valve B Service valves, low pressure side C Service valve, high pressure side D Safety valve, hydraulic circuit...

  • Page 8: Unit Layout Type Oc211 To Oc215

    Unit layouts Unit layout type OC211 to OC215 A ON/OFF switch E Diaphragm expansion vessel B Programming unit F Fill & drain valve C Phase monitor (only for 400 V ver- G Service valve, low pressure side sion) H Service valve, high pressure side D Automatic air vent valve...

  • Page 9: Connection And Wiring Diagrams

    Unit layouts Unit layout type OC211 to OC215 (cont.) Rear view with back panel removed A Cover for the circulation pump B Safety valve, hydraulic circuit Connection and wiring diagrams The connection and wiring diagrams are affixed to the inside of the front panel.

  • Page 10: Commissioning, Inspection, 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. Switching OFF the main fuse/MCB and the system ON/OFF switch ............... 2.
  • Page 11 Commissioning, inspection, maintenance Steps - commissioning, inspection and . . . (cont.) Commissioning steps Inspection steps Maintenance steps Page 23. Checking the water side of the evaporator for contamination ............... . 24.

  • Page 12: Further Details Regarding The Individual Steps

    Commissioning, inspection, maintenance Further details regarding the individual steps Switching OFF the main fuse/MCB and the system ON/OFF switch Danger Touching 'live' components can result in the transfer of dangerous body currents. Isolate the unit from the power supply, check that it is no longer 'live' and safeguard against unauthorised reconnection.

  • Page 13: Checking The Diaphragm Expansion Vessel And The Pressure Of The Hydraulic Circuit

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Check the inlet pressure of the 4. Fill the system with process med- internal (and, if installed, external) ium and fully vent the system via diaphragm expansion vessel. the fill & drain valve (for position, see unit layouts from page 6).

  • Page 14: Cleaning The Water Filter

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Example: 3. Top up with water, until the filling Static head 10 m pressure exceeds the inlet pres- (The distance between sure of the diaphragm expansion the external unit and the vessel.

  • Page 15: Cleaning The Condensate Drain

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cleaning the condensate drain Record the implementation of the work in the service report from page 46. Checking the free rotation of the fans Danger Record the implementation of the Unintentional starting of the work in the service report from fans can lead to severe inju-...

  • Page 16: Checking The Tightness Of Electrical Connections

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Only when cleaning with water: 3. Only when cleaning with com- pressed air: Please note The effect of heat can result Please note in the refrigerant reaching Excessive air pressure can higher pressure levels.

  • Page 17: Placing The Unit In Standby Mode

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Placing the unit in standby mode Please note 2. The following only applies if a Starting the compressor in a dot is shown in the segmented cold state can result in equip- display: ment damage.

  • Page 18: Adjusting Parameters Hea And H31

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. The following only applies to 3. The following only applies to commissioning in summer commissioning in winter (cooling mode): (heating mode): Press repeatedly unto the LED Press repeatedly unto the LED below symbol "...
  • Page 19 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Note 3. Using the pump curves from For this test, pressure gauges must page 53 check at what pump set- be fitted to the flow and return of ting, starting from the available the hydraulic circuit.
  • Page 20 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Example: Example diagram for determining the BCD Points of intersection deliv- required pump setting for Vito- ery pressure/pump curves clima 200-C, type OC212 Stage 1: lowest throughput Stage 2: average through- Range of the required flow rate Stage 3: highest throughput...

  • Page 21: Checking The Set Values And Adjusting, If Required

    (cont.) Explanations to the example diagram Required heating or cooling water throughput (min./max., see the specification from page 48) Heating mode: 1835/2725 l/h for Vitoclima 200-C, type OC212: Cooling mode: 1734/2602 l/h Calculated available delivery pressure: 0.75 bar Result: Starting from 0.75 bar ( 7.5 m head) in this diagram, the point of intersection B with the pump curve for stage 1 lies outside the range of the required flow rate.

  • Page 22: Checking The Superheating And Correcting, If Required (Cooling Mode)

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Heating operation Return temperature (HEA): max. 45.0 °C (standard setting 40.0 °C) Flow temperature: Return temperature plus 5 to 8 K Cooling operation Return temperature (Coo): approx. 12.0 °C (standard setting 12.0 °C) Flow temperature: Return temperature less 5 to 8 K Checking the superheating and correcting, if required...

  • Page 23: Checking The Evaporator Parameters

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the evaporator parameters Check the return temperature (ST1, Record the determined values in the see page 37), flow temperature (ST2, service report from page 46. see page 37) and the water circulation volume of the evaporator (if possible).

  • Page 24: Checking The Antifreeze Concentration In The Hydraulic Circuit

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the antifreeze concentration in the hydraulic cir- cuit Subject to local minimum outside tem- Note peratures, antifreeze may need to be Antifreeze concentrations > 40 % are added to the hydraulic circuit (see the not permissible because of the result- following table).

  • Page 25: Checking The Fan Power Consumption

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the fan power consumption Check the fan current during start and Record the determined values in the operation, and compare the actual service report from page 46. values with the details in the specifi- cation (see from page 48).

  • Page 26: Checking The Relays

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the relays Record the implementation of the work in the service report from page 46.

  • Page 27: Troubleshooting

    Troubleshooting Control unit diagnostics Overview of the programming unit at the unit The programming unit supplies information about the operating state and any messages, as well as enabling scans and modifications of the equipment con- figuration to be implemented. The programming unit is equipped with a 3-segment display. The return tem- perature is permanently displayed with one digit behind the decimal point.
  • Page 28 Troubleshooting Control unit diagnostics (cont.) LED indicator Operating condition Defrosting Flashes Defrost demand active Defrost active No defrost Central heating Heating operation Cooling mode or "Standby" mode Cooling Cooling operation Heating mode or "Standby" mode Reports Internal faults are captured and dis- If there is a fault, the display shows played by the unit.
  • Page 29 Troubleshooting Control unit diagnostics (cont.) Displaying messages Note If a message was issued, initially determine the cause for the fault and remove it. Returning the unit into use is only permissible for troubleshooting. The unit must not be returned into use several times if a fault persists. Code Description Possible cause Measures...

  • Page 30: Diagnosis

    Troubleshooting Control unit diagnostics (cont.) Code Description Possible cause Measures Flow limiter Inadequate throughput in- Check differential pressure side the hydraulic circuit switch, circulation pump and water filter Note The message is automati- cally acknowledged until three fault messages in one hour occur for the first time.
  • Page 31 Troubleshooting Diagnosis (cont.) Fault Possible cause Measures Compressor can- Power supply line break Check power supply for short not function circuit or earth fault. Check fuses High pressure switch has Locate and remove the rea- tripped son for the tripping. Reset the high pressure switch and restart the unit Control fuse blown...
  • Page 32 Troubleshooting Diagnosis (cont.) Fault Possible cause Measures Liquid line frosted The shut-off valve in the li- Check whether all valves in over quid line is partially closed the refrigerant circuit are open Filter dryer blocked Replace the filter dryer...

  • Page 33: Control Settings

    Control settings Menu structure overview A Continued see page 34...
  • Page 34 Control settings Menu structure overview (cont.) A Continued see page 33 B Code: 177...

  • Page 35: Scanning And Changing Parameters

    Control settings Menu structure overview (cont.) C If the display is shown with a deci- mal point, multiply the indicated value by 100 D The units described in these instructions are only equipped with one compressor Scanning and changing parameters Example: 4.

  • Page 36: Selecting The Set Value For Heating Mode (Hea)

    Control settings Code entry (cont.) Please note simultaneously for less Parameter changes can result than 2 s; the display in equipment damage. shows " ". Never change parameters that have not been explained in press until value "177" is detail. The code may only be displayed.

  • Page 37: Selecting The Set Value For Cooling Mode (Coo)

    Control settings Selecting the set value for cooling mode (Coo) Press the following keys: to lower the set value simultaneously and simultaneously and for at briefly (< 2 s); the display least 5 s; the change is shows "SET". saved and the next higher menu level is dis- simultaneously and played.
  • Page 38 Control settings Scanning sensor values (cont.) simultaneously and at 12. To return to the standard display least for 5 s; the display (return temperature), repeat step shows "T03" again. 11 several times.

  • Page 39: Components

    Components Phase monitor These units are equipped with a phase monitor (designated KA1, for position, see the unit layouts from page 6) that will prevent a start in case of an incorrect phase sequence. LEDs explained: Yellow and green LEDs ON: Field of rotation OK, unit ready.

  • Page 40: Refrigerant Circuits

    Refrigerant circuits Units for cooling mode Type OC208 A Return 7 Differential pressure switch B Flow 8 Air vent valve C Hydraulic circuit 9 Circulation pump, hydraulic circuit D Refrigerant circuit qP Diaphragm expansion vessel 1 Service valve, high pressure side qQ Pressure gauge 2 High pressure switch qW Safety valve...
  • Page 41 Refrigerant circuits Units for cooling mode (cont.) Type OC211 to OC215 A Return 7 Differential pressure switch B Flow 8 Air vent valve C Hydraulic circuit 9 Circulation pump, hydraulic circuit D Refrigerant circuit qP Diaphragm expansion vessel 1 Service valve, high pressure side qQ Safety valve 2 High pressure switch qW Pressure gauge...

  • Page 42: Units For Heating Or Cooling Operation

    Refrigerant circuits Units for heating or cooling operation Type OC208H A Return 7 Differential pressure switch B Flow 8 Air vent valve C Hydraulic circuit 9 Circulation pump, hydraulic circuit D Refrigerant circuit qP Diaphragm expansion vessel E Four-way changeover valve qQ Pressure gauge shown in cooling mode (position qW Safety valve...
  • Page 43 Refrigerant circuits Units for heating or cooling operation (cont.) Type OC211H to OC215H A Return 8 Differential pressure switch B Flow 9 Air vent valve C Hydraulic circuit qP Circulation pump, hydraulic circuit D Refrigerant circuit qQ Diaphragm expansion vessel E Four-way changeover valve qW Safety valve shown in cooling mode (position...

  • Page 44: Parts Lists

    010 Expansion valve 044 Touch-up paint stick, Vitosilver 011 High pressure switch 045 Touch-up spray, Vitosilver Parts list Vitoclima 200-C, type OC211 to OC215 When ordering spare parts: 012 High pressure switch Quote the part and serial no. (see 013 Contactor type plate) and the item no.

  • Page 45: Parts List Fan Convectors, Type V202H To V209H

    Parts lists Parts list fan convectors, type V202H to V209H When ordering spare parts: 008 Four-way valve Quote the part and serial no. (see 009 Valve head 230 V type plate) and the item no. of the 010 Air flow switch required part (as per this parts list).

  • Page 46: Commissioning/Service Reports

    Commissioning/service reports Test report Assembly Tested Cleane- Comments placed Air heat exchanger Fins Heat exchanger surface Condensate drain Fan(s) Power consumption, fan Air temperatures [ °C] Inlet Outlet Plate-type heat exchanger Water temperature [°C] Flow Return Throughput [l/h] Compressor Compressor condition Noise emissions test Compressor current Start-up...
  • Page 47 Commissioning/service reports Test report (cont.) Assembly Tested Cleane- Comments placed Antifreeze concentration, hydraulic circuit Water filter Tested by: Date:...

  • Page 48: Specification (Units For Cooling And Heating Mode)

    Specification (units for cooling and heating mode) Specification (units for cooling and heating mode) Vitoclima 200-C Type OC208H OC211H Cooling mode Rated cooling capacity 10.5 Power consumption (compressor) Performance factor (EER) (com- 2.50 pressor) Flow rate (min./max.) 1162/1742 1505/2258 Heating mode Rated output 10.3...
  • Page 49 Specification (units for cooling and heating mode) Specification (units for cooling and heating . . . (cont.) Vitoclima 200-C Type OC208H OC211H Dimensions and weight Total length Total width 1182 1182 Total height 1309 Weight Permissible operating pressure Hydraulic Flow connection 1"...
  • Page 50 Specification (units for cooling and heating mode) Specification (units for cooling and heating . . . (cont.) Vitoclima 200-C Type OC212H OC215H Refrigerant circuit Process medium R 407 C Fill volume 2.74 3.80 Compressor Type Scroll Surface area (W x H) primary heat...

  • Page 51: Specification (Units For Cooling Mode)

    Specification (units for cooling mode) Specification (units for cooling mode) Vitoclima 200-C Type OC208 OC211 Rated cooling capacity 10.5 Power consumption (compressor) Performance factor (EER) (com- pressor) Flow rate (min./max.) 1162/1742 1505/2258 Electrical values Power supply 3/N/PE 400 V/50 Hz...
  • Page 52 Specification (units for cooling mode) Specification (units for cooling mode) (cont.) Vitoclima 200-C Type OC212 OC215 Rated cooling capacity 12.1 14.9 Power consumption (compressor) Performance factor (EER) (com- pressor) Flow rate (min./max.) 1734/2602 2136/3204 Electrical values Power supply 3/N/PE 400 V/50 Hz...
  • Page 53 Appendix Pump curves Vitoclima 200-C, type OC208 A Permiss. water throughput range (2) Stage 2: average throughput (1) Stage 1: lowest throughput (3) Stage 3: highest throughput...
  • Page 54 Appendix Pump curves (cont.) Vitoclima 200-C, type OC211 A Permiss. water throughput range (2) Stage 2: average throughput (1) Stage 1: lowest throughput (3) Stage 3: highest throughput...
  • Page 55 Appendix Pump curves (cont.) Vitoclima 200-C, type OC212 A Permiss. water throughput range (2) Stage 2: average throughput (1) Stage 1: lowest throughput (3) Stage 3: highest throughput...
  • Page 56 Appendix Pump curves (cont.) Vitoclima 200-C, type OC215 A Permiss. water throughput range (2) Stage 2: average throughput (3) Stage 3: highest throughput...
  • Page 57 Declaration of conformity We, Viessmann Werke GmbH & Co KG, D-35107 Allendorf, confirm as sole responsible body that the product Vitoclima 200-C, type OC208 and OC 208H, OC211 and OC211H, OC212 and OC212H as well as OC215 and OC215H com-...
  • Page 58 Keyword index Keyword index Air heat exchanger Main fuse/MCB ........... Air vent valve Maintenance .
  • Page 60 Applicability Applicable for chillers Vitoclima 200-C. Type: from serial no.: OC208H 7245 550 7 00001100 OC211H 7245 551 7 00001100 OC212H 7245 552 7 00001100 OC215H 7245 553 7 00001100 OC208 7245 555 7 00001100 OC211 7245 556 7 00001100...

This manual is also suitable for:

Oc212hOc215hOc208Oc211Oc212Oc215

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