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Related Manuals for Viessmann Vitoclima 200-C
Summary of Contents for Viessmann Vitoclima 200-C
- Page 1 VIESMANN Service instructions for contractors Vitoclima 200-C Chillers for external installation as 230 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 695 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.
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Page 4: Table Of Contents
Unit for cooling mode .................. 35 Unit for heating and cooling mode ............... 36 Parts lists Parts list Vitoclima 200-C, type OC208............37 Parts list fan convectors, type V202H to V209H ........... 37 Parts list ceiling cassette devices, type C202H to C205H ......38 Parts list duct mounted devices, type DC205H to DC210H...... -
Page 5: Unit Layout
Unit layout Unit layout 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 6: Connection And Wiring Diagrams
Unit layout Unit layout (cont.) A Manual air vent valve B Service valves, low pressure side C Service valve, high pressure side D Safety valve, hydraulic circuit Connection and wiring diagrams The connection and wiring diagrams are affixed to the inside of the front panel. -
Page 7: 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 8 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.
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Page 9: 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 10: 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 5). -
Page 11: 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 12: 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 39. Checking the free rotation of the fan Danger Record the implementation of the Unintentional starting of the fan work in the service report from can lead to severe injuries. -
Page 13: 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 14: 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 15: 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 16 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Calculate the available pressure 4. If necessary, change the pump set- from the pressure differential ting (see section "Adjusting the between the unit flow and return pump rate" on page 17). p2).
- Page 17 Stage 3: highest throughput Explanations to the example diagram Required heating or cooling water throughput Heating mode: 1162/1742 l/h (min./max.) for Vitoclima 200-C, type OC208: Cooling mode: 1270/1903 l/h Calculated available delivery pressure: 0.35 bar Result: Starting from 0.35 bar ( 3.5 m head) in this diagram, the points of intersection B and D with the pump curves for stage 1 and 3 lie outside the range of the required flow rate.
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Page 18: Checking The Set Values And Adjusting, If Required
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Checking the set values and adjusting, if required Note For adjustments of the set values, see from page 31. Heating mode Return temperature (HEA): max. 45.0 °C (standard setting 40.0 °C) Flow temperature: Return temperature plus 5 to 8 K Cooling mode... -
Page 19: Checking The Evaporator Parameters
Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 3. Recheck the superheating. Note Should the thermostatic expansion 4. If required, repeat steps 1 to 3. valve fail to respond to the superheat- ing adjustment, it may be stuck or faulty and may need to be replaced. -
Page 20: 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 21: 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 39. values with the details in the specifi- cation (see from page 41). -
Page 22: 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 39. -
Page 23: 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 24 Troubleshooting Control unit diagnostics (cont.) LED indicator Operating condition Defrosting Flashes Defrost demand active Defrost active No defrost Central heating Heating mode Cooling mode or "Standby" mode Cooling Cooling mode 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 25 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...
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Page 26: 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 27 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...
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Page 28: Control Settings
Control settings Menu structure overview A Continued see page 29... - Page 29 Control settings Menu structure overview (cont.) A Continued see page 28 B Code: 177...
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Page 30: 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 31: 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 32: 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 33 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.
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Page 34: Components
Components Differential pressure regulator The differential pressure regulator is This prevents damage to the heat an important safety element of this exchanger, e.g. as a result of a circu- unit. It is fitted at the heat exchanger lation pump failure or through icing up of the hydraulic circuit. -
Page 35: Refrigerant Circuits
Refrigerant circuits Unit for cooling mode Type OC208M 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 36: Unit For Heating And Cooling Mode
Refrigerant circuits Unit for heating and cooling mode Type OC208HM 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 37: Parts Lists
Parts lists Parts list Vitoclima 200-C, type OC208 When ordering spare parts: 012 Main isolator Quote the part and serial no. (see 013 Main isolator handle type plate) and the item no. of the 014 Electronics box required part (as per this parts list). -
Page 38: Parts List Ceiling Cassette Devices, Type C202H To C205H
Parts lists Parts list ceiling cassette devices, type C202H to C205H When ordering spare parts: 003 Fan complete Quote the part and serial no. (see 004 Eco transformer 80 W type plate) and the item no. of the 005 Condensate pump required part (as per this parts list). -
Page 39: Commissioning/Service Reports Test Report
Commissioning/service reports Test report Assembly Tested Cleane- Comments placed Air heat exchanger Fins Heat exchanger surface Condensate drain 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 40 Commissioning/service reports Test report (cont.) Assembly Tested Cleane- Comments placed Antifreeze concentration, hydraulic circuit Water filter Tested by: Date:...
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Page 41: Specification
Specification Specification Vitoclima 200-C Type OC208M OC208HM Cooling mode Rated cooling capacity Power consumption (compres- sor) Performance factor (EER) (com- 2.50 2.50 pressor) Flow rate (min./max.) 1162/1742 1162/1742 Heating mode Rated heating output Power consumption (compres- sor) Coefficient of Performance 2.34... - Page 42 Specification Specification (cont.) Vitoclima 200-C Type OC208M OC208HM Dimensions and weight Total length Total width 1182 1182 Total height Weight Permissible operating pres- sure Hydraulic Flow connection 1" 1" Return connection 1" 1" Diaphragm expansion vessel (ca- pacity)
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Page 43: Certificates
Certificates Declaration of conformity We, Viessmann Werke GmbH & Co KG, D-35107 Allendorf, confirm as sole responsible body that the product Vitoclima 200-C, type OC208M and OC208HM complies with the following standards: EN 61 000-6-3 EN 60 204-1 EN 61 000-6-4... -
Page 44: Keyword Index
Keyword index Keyword index Air heat exchanger Main fuse/MCB ........... . . Applicability Maintenance . - Page 48 Applicability Applicable for chillers Vitoclima 200-C. Type: from serial no.: OC208M 7245 559 7 00001100 OC208HM 7245 554 7 00001100 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...