Pfannenberg DTI 6201C Operating Manual
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Pfannenberg DTI 6201C Operating Manual

Attachment and installation cooling units multi-controller (mc) 230 v
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Operating Manual
Attachment and installation cooling units
DTS and DTI Series 6201C / 6301C
Multi-Controller (MC) – 230 V
Version 1.0, May 2017

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Summary of Contents for Pfannenberg DTI 6201C

  • Page 1 Operating Manual Attachment and installation cooling units DTS and DTI Series 6201C / 6301C Multi-Controller (MC) – 230 V Version 1.0, May 2017...
  • Page 2 Various unit types are documented in this operating manual. Pfannenberg cooling units are subject to continuous improvement. Please understand that we must reserve the right to changes in design, equipment and technology. For this reason, no claims to specific features of the unit can be derived from the content of this operating manual.

  • Page 3: Table Of Contents

    Door contact switch ............................22 3.5.4 Mains supply connection ..........................23 3.5.5 Adapting the upstream fuse /transformer options ..................25 3.5.6 Collective fault signal ............................. 25 Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 3 / 43...
  • Page 4 Maintenance checklist template......................39 Decommissioning ..........................40 Troubleshooting ............................41 Spare part orders / accessory orders ......................42 Terms of warranty ............................42 Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 4 / 43...

  • Page 5: Intended Use

    Intended use General overview The Pfannenberg attachment and installation cooling units of the DTS and DTI series are stationary cooling units for the dissipation of heat from switch cabinets. They are available in two versions:  The DTI cooling units are partially recessed in the side or installed in the door.

  • Page 6: Unit Description

    Unit description Description of use Pfannenberg DTS and DTI series attachment and installation cooling units are designed to dissipate heat from switch cabinets. Sensitive components in the switch cabinet are protected. Condensate arising during the cooling is removed by an integrated system.

  • Page 7: Functional Description

    The air outlet can become very warm depending on the ambient temperature.  Keep body parts away from the air outlet.  For the ambient temperature and air outlet ratio, see Technical data. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 7 / 43...

  • Page 8: Controller

    In case of an operating fault or a malfunction, the gray LED light (1) begins to blink and the LCD (2) displays error numbers alternating with the temperature. For details, see Error messages . Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 8 / 43...

  • Page 9: Refrigerant Circuit Functional Principle

     If there is a risk of ice formation, switch off the compressor and the fans.  This shut-off function is not withdrawn until a system restart. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 9 / 43...

  • Page 10: Accumulation Of Condensate

    (internal) switches on. The value of the temperature setpoint is measured plus hysteresis.  If no fault occurs, the fault indication output is closed in energy saving mode. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 10 / 43...

  • Page 11: Multimaster Function

     All cooling units in the bus function can activate or end cooling mode or energy-saving mode. There is no "master and slave function".  For electrical connection, see Electrical connection. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 11 / 43...

  • Page 12: Type Plate

    Exterior / interior ambient conditions Start-up current Nominal current (UL 60 HZ) Nominal current Serial number Part number Unit type Manufacturer logo Rated operating voltage Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 12 / 43...

  • Page 13: Technical Data

    Max. rated current UL at 60 Hz. **** With a change to the rated operating voltage, adapt the Adapting the upstream fuse . upstream fuse; see Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 13 / 43...

  • Page 14: Assembly And Initial Commissioning

    Always store the cooling unit in the position of use.  The warranty will no longer apply if these instructions are not observed. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 14 / 43...

  • Page 15: Unpacking

    When making the cooling unit cut-outs, assembly chips can fall into the switch cabinet.  When assembling the switch cabinet, protect against contaminants and use protective covers. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 15 / 43...

  • Page 16: General Assembly Requirements

     Check to ensure the proper seating of the M8 jack rings in the cooling unit.  The M8 jack rings are screwed in the cooling unit and the unit can be moved. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 16 / 43...

  • Page 17: Dts Cooling Unit Assembly (Side Attachment)

     Deburr the cut edges.  Remove chips and assembly waste from the switch cabinet.  Cut-out and holes have been made. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 17 / 43...
  • Page 18 2 mm.  The DTS cooling unit is attached to the switch cabinet and ready for electrical connection; Electrical connection. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 18 / 43...

  • Page 19: Dti Cooling Unit Assembly (Installation)

     The four corner cut-outs can be rectangular or have a maximum R = 4 mm.  Deburr the cut edges.  Remove chips and assembly waste from the switch cabinet.  Cut-outs have been made. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 19 / 43...

  • Page 20: Electrical Connection

     Mount the cooling unit (3) so that the emergency condensate drain is arranged at the bottom of the unit.  The DTI cooling unit is attached to the switch cabinet and ready for Electrical connection. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 20 / 43...

  • Page 21: Multi-Controller (Mc) Electrical Circuit Diagram

    Service interface (TTL) (internal) (external) Multimaster terminal Ground terminal contact Mains terminal contact contact Door contact+ terminal Optional Power cable contact +Fault indication Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 21 / 43...

  • Page 22: Multimaster Connection

     The door contact switch is connected. The motors switch off when the switch cabinet is opened. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 22 / 43...

  • Page 23: Mains Supply Connection

    Always connect the cooling unit to the mains by means of a separating device (switch/contactor).  The separating device must have a contact opening of 3 mm. The separating device is installed by the customer. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 23 / 43...
  • Page 24  Before switching on, ensure that the mains voltage matches the upstream fuse; see Electrical connection.  The cooling unit is connected electrically. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 24 / 43...

  • Page 25: Adapting The Upstream Fuse /Transformer Options

     The fault signaling contact is potential-free.  Ensure that the contact is loaded with a maximum of 230V, 1 A. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 25 / 43...

  • Page 26: Operation

     The ambient conditions and switch cabinet interior temperatures must correspond to the prescribed technical data; see Technical data.  The ambient temperature must be less than 55°C; see Air flow functional principle. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 26 / 43...

  • Page 27: Multi-Controller Operation

     If there is no input for 30 seconds, a TIMEOUT is initiated and the LCD switches to temperature display.  Menu is adjusted in the cooling unit. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 27 / 43...
  • Page 28 Password menu * Menu Display Limit value Temperature Value +1 Input too low Value -1 mode Save parameter Do not save parameter Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 28 / 43...

  • Page 29: Operation Of The Cooling Unit

     Regular inspection of the seals assures protection against heavy condensate accumulation.  Ensure that the accumulating condensate can drain freely. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 29 / 43...

  • Page 30: Service Interface

     The ECoolPLANT software (3) is available for download free of charge on the website: https://www.pfannenberg.com/ QR-Code (3).  The corresponding operating manual for the ECoolPLANT software is available HERE and from My Pfannenberg. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 30 / 43...

  • Page 31: Error Messages

    • Condenser fan  Replace controller circuit (external): board if the sensor is • External heating: soldered in place. Fault signal contact: Open Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 31 / 43...
  • Page 32  Sensor 2 is plugged into (external): the circuit board, not • Heater (external): permanently soldered in • Fault signal contact: Open place. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 32 / 43...
  • Page 33 • Evaporator fan according to the unit (internal): type. • Condenser fan (external): • Heater (external): • Fault signal contact: Open Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 33 / 43...

  • Page 34: Lcd Error Messages

    - The cooling unit received a stop command, (internal): - e.g. via the software application. • Condenser fan (external): • Heater (external): Fault signal contact: Closed Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 34 / 43...

  • Page 35: Service And Maintenance

     Remove dust or environmental residue from the heat exchangers.  Check the condensate drain regularly. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 35 / 43...

  • Page 36: Cleaning The Cooling Unit - Unit Cover Removal

     Raise the unit cover about 15 mm and pull it out of the slots in the bottom plate (4).  The unit cover is removed. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 36 / 43...

  • Page 37: Cooling Unit And Filter Mat Cleaning Tasks

     If the dirt is dry, vacuum, blow or knock the dirt off of the filter mat.  Ensure that correct and safe operation is assured after cleaning.  The cooling unit is clean. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 37 / 43...

  • Page 38: Maintenance

     The functions of Pfannenberg filters are optimally matched to the cooling units. Therefore, use of Pfannenberg filters has a positive effect on the scope of maintenance work.

  • Page 39: Maintenance Checklist Template

    Check the drive for signs of overheating Clean fans* Pre-filter Replace filter mat* Clean filter mat* Maintenance intervals are more frequent, depending on the degree of contamination. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 39 / 43...

  • Page 40: Decommissioning

     Refrigerant must be professionally extracted from the refrigerant system. Avoid refrigerant emissions.  The cooling unit must only be disposed of by authorized, qualified personnel.  Waste equipment must also be disposed of correctly by Pfannenberg. Freight charges for delivery to one of our manufacturing facilities must be pre-paid.

  • Page 41: Troubleshooting

    The blinking of the red LED light on the controller circuit board is not a fault indicator or error message. The red LED lamp indicates that voltage is supplied to the cooling unit. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 41 / 43...

  • Page 42: Spare Part Orders / Accessory Orders

     Only original Pfannenberg parts are permitted for use. Violations void the warranty. For recognition of warranty claims and return of the unit, observe the following:  Provide an exact description of the defect and the SRO (RMA) numbers specified by Pfannenberg with the cooling unit.
  • Page 43 However, we make no guarantee as to the completeness and correctness of the specifications. Legal notice: Pfannenberg GmbH Werner-Witt-Straße 1 21035 Hamburg Tel. +49 40 734 12-0 www.pfannenberg.com © Pfannenberg 2017 Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100016 © Pfannenberg GmbH Page 43 / 43...
  • Page 44 Operating Manual Attachment and installation cooling units DTS and DTI Series 6201C / 6301C Multi-Controller (MC) – 400 V 2~ Version 1.0, May 2017...
  • Page 45 Various unit types are documented in this operating manual. Pfannenberg cooling units are subject to continuous improvement. Please understand that we must reserve the right to changes in design, equipment and technology. For this reason, no claims to specific features of the unit can be derived from the content of this operating manual.
  • Page 46 Door contact switch ............................22 3.5.4 Mains supply connection ..........................23 3.5.5 Adapting the upstream fuse /transformer options ..................25 3.5.6 Collective fault signal ............................. 25 Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 3 / 43...
  • Page 47 Maintenance checklist template......................39 Decommissioning ..........................40 Troubleshooting ............................41 Spare part orders / accessory orders ......................42 Terms of warranty ............................42 Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 4 / 43...

  • Page 48: Intended Use

    Intended use General overview The Pfannenberg attachment and installation cooling units of the DTS and DTI series are stationary cooling units for the dissipation of heat from switch cabinets. They are available in two versions:  The DTI cooling units are partially recessed in the side or installed in the door.

  • Page 49: Unit Description

    Unit description Description of use Pfannenberg DTS and DTI series attachment and installation cooling units are designed to dissipate heat from switch cabinets. Sensitive components in the switch cabinet are protected. Condensate arising during the cooling is removed by an integrated system.

  • Page 50: Functional Description

    The air outlet can become very warm depending on the ambient temperature.  Keep body parts away from the air outlet.  For the ambient temperature and air outlet ratio, see Technical data. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 7 / 43...

  • Page 51: Controller

    In case of an operating fault or a malfunction, the gray LED light (1) begins to blink and the LCD (2) displays error numbers alternating with the temperature. For details, see Error messages . Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 8 / 43...

  • Page 52: Refrigerant Circuit Functional Principle

     If there is a risk of ice formation, switch off the compressor and the fans.  This shut-off function is not withdrawn until a system restart. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 9 / 43...

  • Page 53: Accumulation Of Condensate

    (internal) switches on. The value of the temperature setpoint is measured plus hysteresis.  If no fault occurs, the fault indication output is closed in energy saving mode. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 10 / 43...

  • Page 54: Energy-Saving Mode

     All cooling units in the bus function can activate or end cooling mode or energy-saving mode. There is no "master and slave function".  For electrical connection, see Electrical connection. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 11 / 43...

  • Page 55: Type Plate

    Exterior / interior ambient conditions Start-up current Nominal current (UL 60 HZ) Nominal current Serial number Part number Unit type Manufacturer logo Rated operating voltage Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 12 / 43...

  • Page 56: Technical Data

    Max. rated current UL at 60 Hz. **** With a change to the rated operating voltage, adapt the Adapting the upstream fuse . upstream fuse; see Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 13 / 43...

  • Page 57: Assembly And Initial Commissioning

    Always store the cooling unit in the position of use.  The warranty will no longer apply if these instructions are not observed. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 14 / 43...

  • Page 58: Unpacking

    When making the cooling unit cut-outs, assembly chips can fall into the switch cabinet.  When assembling the switch cabinet, protect against contaminants and use protective covers. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 15 / 43...
  • Page 59  Check to ensure the proper seating of the M8 jack rings in the cooling unit.  The M8 jack rings are screwed in the cooling unit and the unit can be moved. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 16 / 43...

  • Page 60: General Assembly Requirements

     Deburr the cut edges.  Remove chips and assembly waste from the switch cabinet.  Cut-out and holes have been made. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 17 / 43...

  • Page 61: Dts Cooling Unit Assembly (Side Attachment)

    2 mm.  The DTS cooling unit is attached to the switch cabinet and ready for electrical connection; Electrical connection. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 18 / 43...

  • Page 62: Dti Cooling Unit Assembly (Installation)

     The four corner cut-outs can be rectangular or have a maximum R = 4 mm.  Deburr the cut edges.  Remove chips and assembly waste from the switch cabinet.  Cut-outs have been made. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 19 / 43...

  • Page 63: Electrical Connection

     Mount the cooling unit (3) so that the emergency condensate drain is arranged at the bottom of the unit.  The DTI cooling unit is attached to the switch cabinet and ready for Electrical connection. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 20 / 43...

  • Page 64: Multi-Controller (Mc) Electrical Circuit Diagram

    Transformer (internal) (external) Service interface (TTL) Ground terminal contact Mains terminal contact Multimaster terminal Door contact+ terminal Optional contact contact +Fault indication Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 21 / 43...

  • Page 65: Multimaster Connection

     The door contact switch is connected. The motors switch off when the switch cabinet is opened. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 22 / 43...
  • Page 66 Always connect the cooling unit to the mains by means of a separating device (switch/contactor).  The separating device must have a contact opening of 3 mm. The separating device is installed by the customer. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 23 / 43...

  • Page 67: Mains Supply Connection

     Before switching on, ensure that the mains voltage matches the upstream fuse; see Electrical connection.  The cooling unit is connected electrically. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 24 / 43...

  • Page 68: Adapting The Upstream Fuse /Transformer Options

     The fault signaling contact is potential-free.  Ensure that the contact is loaded with a maximum of 230V, 1 A. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 25 / 43...

  • Page 69: Operation

     The ambient conditions and switch cabinet interior temperatures must correspond to the prescribed technical data; see Technical data.  The ambient temperature must be less than 55°C; see Air flow functional principle. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 26 / 43...

  • Page 70: Multi-Controller Operation

     If there is no input for 30 seconds, a TIMEOUT is initiated and the LCD switches to temperature display.  Menu is adjusted in the cooling unit. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 27 / 43...
  • Page 71 Password menu * Menu Display Limit value Temperature Value +1 Input too low Value -1 mode Save parameter Do not save parameter Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 28 / 43...

  • Page 72: Operation Of The Cooling Unit

     Regular inspection of the seals assures protection against heavy condensate accumulation.  Ensure that the accumulating condensate can drain freely. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 29 / 43...

  • Page 73: Service Interface

     The ECoolPLANT software (3) is available for download free of charge on the website: https://www.pfannenberg.com/ QR-Code (3).  The corresponding operating manual for the ECoolPLANT software is available HERE and from My Pfannenberg. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 30 / 43...
  • Page 74 • Condenser fan  Replace controller circuit (external): board if the sensor is • External heating: soldered in place. Fault signal contact: Open Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 31 / 43...

  • Page 75: Error Messages

     Sensor 2 is plugged into (external): the circuit board, not • Heater (external): permanently soldered in • Fault signal contact: Open place. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 32 / 43...
  • Page 76 • Evaporator fan according to the unit (internal): type. • Condenser fan (external): • Heater (external): • Fault signal contact: Open Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 33 / 43...

  • Page 77: Lcd Error Messages

    - The cooling unit received a stop command, (internal): - e.g. via the software application. • Condenser fan (external): • Heater (external): Fault signal contact: Closed Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 34 / 43...

  • Page 78: Service And Maintenance

     Remove dust or environmental residue from the heat exchangers.  Check the condensate drain regularly. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 35 / 43...

  • Page 79: Cleaning The Cooling Unit - Unit Cover Removal

     Raise the unit cover about 15 mm and pull it out of the slots in the bottom plate (4).  The unit cover is removed. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 36 / 43...

  • Page 80: Cooling Unit And Filter Mat Cleaning Tasks

     If the dirt is dry, vacuum, blow or knock the dirt off of the filter mat.  Ensure that correct and safe operation is assured after cleaning.  The cooling unit is clean. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 37 / 43...

  • Page 81: Maintenance

     The functions of Pfannenberg filters are optimally matched to the cooling units. Therefore, use of Pfannenberg filters has a positive effect on the scope of maintenance work.

  • Page 82: Maintenance Checklist Template

    Check the drive for signs of overheating Clean fans* Pre-filter Replace filter mat* Clean filter mat* Maintenance intervals are more frequent, depending on the degree of contamination. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 39 / 43...

  • Page 83: Decommissioning

     Refrigerant must be professionally extracted from the refrigerant system. Avoid refrigerant emissions.  The cooling unit must only be disposed of by authorized, qualified personnel.  Waste equipment must also be disposed of correctly by Pfannenberg. Freight charges for delivery to one of our manufacturing facilities must be pre-paid.

  • Page 84: Troubleshooting

    The blinking of the red LED light on the controller circuit board is not a fault indicator or error message. The red LED lamp indicates that voltage is supplied to the cooling unit. Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 41 / 43...

  • Page 85: Spare Part Orders / Accessory Orders

     Only original Pfannenberg parts are permitted for use. Violations void the warranty. For recognition of warranty claims and return of the unit, observe the following:  Provide an exact description of the defect and the SRO (RMA) numbers specified by Pfannenberg with the cooling unit.
  • Page 86 However, we make no guarantee as to the completeness and correctness of the specifications. Legal notice: Pfannenberg GmbH Werner-Witt-Straße 1 21035 Hamburg Tel. +49 40 734 12-0 www.pfannenberg.com © Pfannenberg 2017 Operating Manual DTS and DTI 6201C / 6301C Multi-Controller (MC) 086100014 © Pfannenberg GmbH Page 43 / 43...

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