GOVI polarik 6WN1 Operating Manual
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GOVI polarik 6WN1 Operating Manual

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EN OPERATING MANUAL
6WN1 - 10WN1 - 15WN2 - 20WN2 - 40WN3
5WL1 - 7WL1 - 10WL2 - 15WL2 - 20WL3
®

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  • Page 1 EN OPERATING MANUAL 6WN1 - 10WN1 - 15WN2 - 20WN2 - 40WN3 5WL1 - 7WL1 - 10WL2 - 15WL2 - 20WL3 ®...
  • Page 2 After reading the operating manual, keep it in a safe place for future reference. Copyright© by GOVI GmbH 2021. The reproduction and copying of this document, in part or in whole, are prohibited. We reserve the right to make technical changes in the course of further development.

  • Page 3: Table Of Contents

    ® Operating manual.. Contents General points .................6 Intended use................6 Conditions of use ..............6 Personnel .................7 Spare parts ................7 Environmental regulations ............7 Disposal of the unit ..............8 Safety ..................9 Safety messages and safety-alert symbols....... 9 Other terms and symbols ............9 Safety and hazard precautions ...........9 Refrigerant-handling precautions ...........
  • Page 4 ® Operating manual....Installation ................29 Conditions for installation ............29 Installation of the units .............30 6.1.1 General preparation ..............30 6.1.2 Hanging installation of the unit (removable top) ....... 31 6.1.3 Embedded installation of the unit (installation opening) .... 33 6.1.4 Final tasks ................35 Installation of accessories ............36 Operating elements ..............37...
  • Page 5 ® Operating manual.. 11.1 Troubleshooting ...............48 11.2 Error codes ................50 Appendix................51 12.1 Wiring diagrams ...............51...

  • Page 6: General Points

    For further information, please contact your GOVI distributor. To ensure the durability of GOVI products, please follow the instructions in this manual. Intended use This monoblock unit is designed for use in cold rooms that are not exposed to any explosion or fire hazard.

  • Page 7: Personnel

    Spare parts Use only original spare parts or parts approved by GOVI. Please note that spare parts and accessories not supplied by GOVI are neither tes- ted nor approved. GOVI can accept no responsibility or warranty liabi- lity for loss or damage arising from the use of non-original spare parts.

  • Page 8: Disposal Of The Unit

    ® Operating manual....General points Disposal of the unit WARNING Incorrect dismantling of the monoblock unit may result in personal-injury hazard or danger to the environment. Engage only trained and qualified specialists to disassemble the monoblock unit. Take special care when handling the refrigerant.

  • Page 9: Safety

    ® Operating manual . Safety Safety Safety messages and safety-alert symbols DANGER Failure to observe these instructions is likely to result in irreversible, or even fatal, injury. WARNING Failure to observe these instructions may result in ir- reversible, or even fatal, injury. CAUTION Failure to observe these instructions may result in personal injury and/or damage to equipment or the...
  • Page 10 ® Operating manual ....Safety WARNING Danger of fatal electric shock Strictly observe the following safety rules when wor- king on the monoblock unit’s electrical system: Switch OFF. „ Block the switch to prevent accidental reactivation. „ Disconnect the power supply. „...
  • Page 11 ® Operating manual . Safety WARNING Danger arising from unauthorised modification DO NOT drill any extra holes into the monoblock unit, as this may damage important components. Dama- ge to electrical wiring or refrigerant conduits may cause a fire. WARNING Risk of damage to health from leaking refrigerant Liquid refrigerant or fumes may leak out during main- tenance or repair work involving the refrigerant circuit.

  • Page 12: Refrigerant-Handling Precautions

    ® Operating manual ....Safety CAUTION Risk of injury from sharp edges and rotating parts. Keep your distance from rotating fan blades, and be- ware of the sharp sheet-metal edges under the main cover. Contact with these sharp edges, especially the fan blades, can result in injury.

  • Page 13: First Aid

    ® Operating manual . Safety First aid In the event of eye contact with refrigerant or compressor oil, rinse the affected eye(s) immediately with abundant clean water (for at least 15 minutes), and seek medical attention. In the event of skin burn, protect the affected area(s) from further con- tact with the refrigerant, and take the following immediate measures: Remove refrigerant-contaminated clothing and footwear.

  • Page 14: Technical Data

    ® Operating manual....Technical data Technical data The monoblock unit consists of a self-supporting chassis made of gal- vanized sheet metal and a front cover made of coated ABS. Fig. 1: Nameplate The nameplate carries the serial number of the monoblock unit, toge-ther with other important technical data.

  • Page 15: Monoblock Units 6Wn1 10 Wn1, 5 Wl1 And 7 Wl1

    ® Operating manual. Technical data Monoblock units 6WN1 10 WN1, 5 WL1 and 7 WL1 Fig. 2: Dimensions of the 6 WN1, 10 WN1, 5 WL1 and 7 WL1 units...
  • Page 16 ® Operating manual....Technical data Designation Unit 6 WN1 10 WN1 5 WL1 7 WL1 Temperature range of °C MT +10 / -5 LT -15 / -25 cold room Max. spatial volume of cold room Power supply 1~230 Frequency Refrigeration capacity 1026 1590...
  • Page 17 ® Operating manual. Technical data Designation Unit 6 WN1 10 WN1 5 WL1 7 WL1 equivalent t CO 0,189 0,253 0,642 0,856 Refrigerant quantity Length of mains cable Evaporator-fan throw distance Dimensions See fig. 2: “Dimensions of 6 WN1, 10 WN1, 5 WL1 and 7 WL1” (page 15) Weight Colour...

  • Page 18: Monoblock Units 15 Wn2, 20 Wn2, 10 Wl2, 15 Wl2

    ® Operating manual....Technical data Monoblock units 15 WN2, 20 WN2, 10 WL2 and 15 WL2 Fig. 3: Dimensions of 15 WN2, 20 WN2, 10 WL2 and 15 WL2...
  • Page 19 ® Operating manual. Technical data Designation Unit 15 WN2 20 WN2 10 WL2 15 WL2 Temperature range of °C MT +10 / -5 LT -15 / -25 cold room Max. spatial volume of cold room Power supply 1~230 3~400 1~230 3~400 Frequency Cooling capacity...
  • Page 20 ® Operating manual....Technical data Designation Unit 15 WN2 20 WN2 10 WL2 15 WL2 631,4 2140 (global warming potential) equivalent t CO 0,474 0,505 1,605 1,712 Refrigerant quantity Length of mains cable Evaporator-fan throw distance Dimensions See fig. 3: Dimensions of 15 WN2, 20 WN2, 10 WL2 and 15 WL2”...

  • Page 21: Monoblock Units 40 Wn3, 20 Wl3

    ® Operating manual. Technical data Monoblock units 40 WN3 and 20 WL3 Fig. 4: Dimensions of 40 WN3 and 20 WL3...
  • Page 22 ® Operating manual....Technical data Designation Unit 40 WN3 20 WL3 Temperature range of °C MT+10 / -5 LT -15 / -25 cold room Max. spatial volume of cold room Power supply 3~400 Frequency Cooling capacity 4370 2670 (at ambient temperature of 32°C (at ambient temperature of 32°C and cold room temperature and cold room temperature of...
  • Page 23 ® Operating manual. Technical data Designation Unit 40 WN3 20 WL3 equivalent t CO 1,01 3,745 Refrigerant quantity 1600 1750 Length of mains cable Evaporator-fan throw distance Dimensions See fig. 4: “Dimensions of 40 WN3 and 20 WL3” (page 21) Weight Colour 9010 / 724...

  • Page 24: Packing, Transport And Storage

    In the event of severe external damage to the packing material and/or the monoblock unit itself, contact your local GOVI representative immediately. DO NOT try to install the monoblock unit. DO NOT attempt to start it up.

  • Page 25: Transport

    ® Operating manual. Packing, transport and storage Transport CAUTION Risk of equipment damage The monoblock unit must be transported in an upright position. Leave the monoblock unit standing upright for at least six hours before starting it up for the first time. Use only suitable lifting gear and transport equipment to raise and „...

  • Page 26: System Description

    ® Operating manual....System description System description Fig. 5: Flowchart...
  • Page 27 ® Operating manual. System description The compressor 1 draws the gaseous vaporised refrigerant from the evaporator 8 and compresses it. This makes the refrigerant temperature rise abruptly. The vaporised refrigerant is transported from the compressor 1 to the condenser 5. In the condenser 5, the refrigerant gas is cooled by ambient air, cau- sing it to liquefy.
  • Page 28 ® Operating manual....System description Air outlet 5 Control unit Condenser fan Main cover 6 Condensate tray 10 Evaporator 7 Compressor 11 Evaporator fan Air intake Control system 8 Condenser Fig. 6: Overview of the monoblock unit The main cover 2 covers the components outside the cold room. These include the control unit, the compressor, the condenser and the condenser fan, along with the condensate tray.

  • Page 29: Installation

    ® Operating manual Installation Installation requirements 1. Read through the operating manual carefully in order to carry out installation correctly. 2. Verify that the monoblock unit has been delivered according to your order specifications, and that it is in good condition with no visible signs of damage.

  • Page 30: Installation Of The Units

    ® Operating manual ....Installation of the units 6.1.1 General preparation Main cover 2 Lifting ring Fig. 7: Installation, preparation 1. Place the cold room and monoblock unit on a dry, clean level surface.

  • Page 31: Hanging Installation Of The Unit (Removable Top)

    ® Operating manual 2. Make sure that the cold room is level. 3. Ensure that the mating surface between the cold room wall and monoblock unit is level and free of impurities. 4. Remove all loose items from the installation area. 5.
  • Page 32 Operating manual polarik Installation 1. Remove the top of the cold room. 2. Carry out preparatory work as described in 6.1.1 “General prepa- ration“ (page 30). See fig. 9: 3. Make the corresponding cutouts in the cold room wall. “Installation with wall cutout for fitting of unit” (page 31). Angle bracket Fig.

  • Page 33: Embedded Installation Of The Unit (Installation Opening)

    ® Operating manual 7. Seal the cold room by applying silicone sealant to the gap between the monoblock unit and cold room. as described in 6.1.4 “Final tasks“ (page 35). 8. Carry out final tasks Model WN1 / WL1 438 mm 755 mm 355 mm 405 mm 443 mm WN2 / WL2...
  • Page 34 Operating manual polarik Installation Fixing holes Fig. 11: Installation, fitting the through-the-wall kit 3. Secure the monoblock unit to the cold room by means of suitable screws inserted into the four mounting holes 4. 4. Detach the lifting gear. 5. Carry out final tasks as described in 6.1.4 “Final tasks“...

  • Page 35: Final Tasks

    Operating manual polarik Installation 6.1.4 Final tasks 7 Overflow pipe Drain pipe Corner-piece Fig. 12: Installation, mounting and drainage 1. Feed the drain pipe 5 through the hole in the monoblock unit and connect it to the corner-pieces 6 . 2.

  • Page 36: Installation Of Accessories

    Operating manual polarik Installation Installation of accessories As an option, a lamp inside the cold room can be connected to the monoblock unit and operated from it. It is not necessary to open the unit when installing the lighting system. The power supply connection has been prefitted at the factory.

  • Page 37: Operating Elements

    ® Operating manual Operating elements Operating elements Fig. 13: Control panel The following functions can be displayed or called up via the control panel: Monoblock unit on/off function „ Display and selection of nominal temperature „ Cold room lamp on/off function „...

  • Page 38: Led Indicators

    Operating manual polarik Operating elements LED Indicator Symbol Name Operation Meaning Compressor Permanently on Compressor is activated. „ Flashing The compressor is switched „ on and in its startup phase. Defrosting Permanently on Defrost function is active. „ Flashing Permanently on Fan is on.

  • Page 39: Function Keys

    Operating manual polarik Function keys Symbol Press briefly Press and hold (> 5 s) Cancellation of selected func- Activation of the reduced-set- „ „ tion point function Display of current error mes- Access to Programming menu „ „ sages (password-protected) Access to Machine Status „...

  • Page 40: Commissioning

    Operating manual ....Commissioning Commissioning Function key 2 Display Control panel Fig. 14: Commissioning CAUTION Switch the monoblock unit off immediately if you de- tect smoke or unusual smells or noises coming from the unit. Contact GOVI Customer Service before restarting.
  • Page 41 ® Operating manual .. Commissioning 1. Switch on the monoblock unit. a. Press function key 1. The LED of function key 1 lights up to in- dicate that operating voltage is present. b. The compressor is started. The corresponding symbol on the display 2 flashes until the compressor is ready for operation.

  • Page 42: Operation

    ® Operating manual....Operation Operation CAUTION Switch the monoblock unit off immediately if you de- tect smoke or unusual smells or noises coming from the unit. Contact GOVI Customer Service before restarting. Fig. 15: Control panel...

  • Page 43: Switching The Monoblock Unit On And Off

    ® Operating manual Operation Switching the monoblock unit on and off 1. To switch on, press function key 1 until the key LED lights up. 2. To switch off, press function key 1 until the key LED goes out. Unblocking the function keys Push any function key on the control panel, and keep it pressed for more than 5 seconds.

  • Page 44: Switching The Lamp On And Off

    ® Operating manual....Operation Switching the lamp on and off The monoblock unit must be switched on and the key-lock function disabled. 1. To switch on, press function key 6 until the key LED lights up 2. To switch off, press function key 6 until the key LED goes out. Carrying out a manual defrost The monoblock unit must be switched on and the key-lock function disabled.

  • Page 45: Maintenance

    ® Operating manual . Maintenance Maintenance Monoblock unit Carry out maintenance every six months, or „ after a long period of time without operation, or „ after operation in a dusty or damp environment. „ Failure to carry out proper maintenance can lead to malfunctioning of, and damage to, the monoblock unit.

  • Page 46: Cleaning Procedure

    Operating manual polarik Maintenance 10.1 Cleaning 10.1.1 Cleaning of components inside the cold room WARNING Danger of fire and explosion. DO NOT use flammable solvents such as alcohol, benzene or thinners for cleaning. Evaporator Fig. 16: Cleaning of components inside the cold room 1.

  • Page 47: Cleaning Of External Components

    Operating manual polarik Maintenance 10.1.2 Cleaning of external components Cover 2 Condenser Fig. 17: Cleaning of external components Disconnect the monoblock unit from the power supply and secure it to prevent accidental reactivation. Undo the five screws and remove the main cover 1. 3.

  • Page 48: Faults

    „ not cool sufficiently. too high. leaks. Ensure adequate ventilation „ and air circulation in the surrounding area. Leaking refrigerant. Contact GOVI Customer „ Service. Condenser is blocked. Clean the condenser, „ section 10.1.2 “Cleaning of external components” (page 47).
  • Page 49 ® Operating manual. Faults Error or fault Cause Remedy High-pressure switch is Contact GOVI Customer „ triggered. Service. Water dripping from Drain hose blocked. Blow out drain hose with „ monoblock unit. compressed air to remove impurities. Ice build-up on eva- Cold room door is open.

  • Page 50: Error Codes

    ® Operating manual....Faults 11.2 Error codes Error Code Cause Remedy Defective temperature sensor in Contact GOVI Customer „ cooling cell. Service. Defective defrost-temperature Contact GOVI Customer „ sensor. Service. Alarm: Temperature too high. Contact GOVI Customer „ Service.

  • Page 51: Appendix

    ® Operating manual. Appendix Appendix 12.1 Wiring diagrams The corresponding wiring diagram is also attached to the device, on the inside of the cover.
  • Page 52 ® Operating manual....Appendix...
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  • Page 59 ® Operating manual. Appendix...
  • Page 60 GOVI GmbH Max-Planck-Str.5 53842 Troisdorf (Germany) Tel.: +49(0)2241-92 29 460 e-mail: info-polarik@govi-gmbh.de www.govi-gmbh.de...

This manual is also suitable for:

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