Dantherm Escalade Mecum 8.7 Service Manual
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Dantherm Escalade Mecum 8.7 Service Manual

Dantherm Escalade Mecum 8.7 Service Manual

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Escalade Mecum 8.7
Service manual
EN
No. 029163 • rev. 1.1 • 08.01.2007

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Summary of Contents for Dantherm Escalade Mecum 8.7

  • Page 1 Escalade Mecum 8.7 Service manual No. 029163 • rev. 1.1 • 08.01.2007...
  • Page 2 Der tages forbehold for trykfejl og ændringer Dantherm can accept no responsibility for possible errors and changes Irrtümer und Änderungen vorbehalten Dantherm n’assume aucune responsabilité pour erreurs et modifications éventuelles...

  • Page 3: Topic See Page

    Overview Introduction This is the service manual for the Dantherm Air Handling Escalade Mecum unit. The table of content below gives you an overview of the main sections. Please see the complete table of content for further information about the sections.

  • Page 4: Table Of Contents

    Table of content Introduction This is the complete table of content covering all sections in this service manual. Each main section will begin with an introduction including a separate table of content covering the exact section. Table of content This service manual covers the following topics: Topic See page Introduction...
  • Page 5 Table of content, continued Table of content, Topic See page continued How to replace the power relay for internal fan How to replace the relay for damper motor How to replace the AC/DC power supply for internal fan Fault finding guide Service agreement Technical information Technical data...

  • Page 6: General Information

    Copying of this service manual, or part of it, is forbidden without prior written permission from Dantherm Air Handling A/S. Dantherm Air Handling A/S reserves the right to make changes and improvements to Reservations the product and the service manual at any time without prior notice or obligation.
  • Page 7 General information, continued EC-Declaration of Dantherm Air Handling A/S, Marienlystvej 65, DK-7800 Skive hereby declare that the Conformity units mentioned below: 360004 Escalade 14.1 kW 3×400V, 50 Hz are in conformity with the following directives: 98/37/EEC Directive on the safety of machines...

  • Page 8: Definitions

    Definitions Introduction This section gives you a definition of some of the technical words and terms used in this manual. List Here you have the list of words and terms with the matching definition: Term Definition Return air (T Internal air entering the ACU from the electronic equipment Ambient air (T External air entering the ACU...

  • Page 9: Product Description

    Product description Overview Introduction This section will give you a description of the Escalade Mecum and its functionality. Content This section covers the following topics: Topic See page General description next page Description of parts Description of the control board Functional description Set points Control strategy...

  • Page 10: General Description

    General description Introduction This section gives you a description of the unit as a whole. The following section describes the different parts in details. Usage of The Escalade Mecum is designed to control the internal temperature of a universal Escalade Mecum shelter or room with respect to climate, moist and airborne.
  • Page 11 General description, continued Illustration, This table gives an overview of the parts: external Parts Heater Control board Internal fan Compressor Filter External condenser fan Damper motor AC/DC converter...

  • Page 12: Description Of Parts

    Description of parts Introduction This section will give you a more detailed description of the parts of the Escalade Mecum. The parts that will be described are: • Temperature sensors • External condenser fan • Filter • Heater • Damper •...
  • Page 13 Description of parts, continued Internal fan The internal fan draws return air from the shelter into the Escalade Mecum, to: • Circulate the internal air, when the return temperature is not too high (recycle) • Draw out the return air and push it through the air condition system to cool the air (active cooling) •...
  • Page 14 Description of parts, continued 25 poled SUB-D, The 25 poled SUB-D connection gives you the possibility of connecting additional connections external equipment. (see table below) Furthermore you have the same functionality as the RS485 communication port, for details about this, see section “Description of the control board”, page 15. Warning! A male Sub-D 25 connector with a connection between 5 and 12 is mounted on the female Sub-D 25 connector.

  • Page 15: Description Of The Control Board

    Description of the control board Introduction This section gives a detailed description of the control board. Description of how to change settings is to find in section “User’s guide”, page 29. DanCon The Escalade Mecum is provided with a DanCon control board. The version of the DanCon for the Escalade Mecum, 8.7 DC version is 008.
  • Page 16 Description of the control board, continued Signals of LED The LED gives you different signals. The below table gives you a description of each signal: Part Function 1 × Green LED Supply Lit as soon as the controller is powered up 3 ×...

  • Page 17: Functional Description

    Functional description Introduction Escalade Mecum operates with 2 systems and in 6 different modes. The 2 systems, which are described in the following, are: • Air conditioning system • Heating system The 6 modes, which are described in the following, are: •...
  • Page 18 Functional description, continued Free cooling In free cooling mode the damper, the internal fan and the external fans will operate to provide exactly the fresh air amount needed to keep a constant temperature in the shelter/room (5 degrees below the cooling set point). Free cooling is in operation between 19 °C and the preset 27 °C* in the room.
  • Page 19 Functional description, continued Emergency Emergency cooling will occur when cooling there is either compressor fault or loss of AC power. Since active cooling is not possible, the internal fan and the damper will attempt to provide fresh air cooling to keep the return temperature 5 degrees below set point even when it is not possible because of high ambient...

  • Page 20: Set Points

    Heater 5 °C 0 °C to15 °C Active cooling 27 °C 20 °C to 40 °C Filter guard, Escalade Mecum 8.7, G4 20-200 filter Humidity controller 55 % RH 20 – 90 % RH Filter guard set points are for G4 filter. Filter guard and humidity controller are...

  • Page 21: Control Strategy

    Control strategy Introduction The control strategy ensures the best mode of operation at all times. Measurements of ambient, supply, return and condensing temperatures decides the specific settings for fans, damper, heater and compressor. The control board contains a programmable CPU with adjustable settings according to the exact requirements.

  • Page 22: Test Facility

    If any fail is detected during the test, the LED will flash with a frequency of 1 Hz for 30 seconds after the test is done to indicate some fault were detected. Test program Escalade Mecum 8.7 – AC and DC versions with damper Closing Stopped...

  • Page 23: Get Ready For Use

    Get ready for use Overview Content This section covers the following topics: Topic See page Mounting Transport of unit mounted on shelter Installation and starting...

  • Page 24: Mounting

    Mounting Introduction This section describes in details how to unpack and mount the Escalade Mecum unit. Wrapping The Escalade Mecum is delivered in a cardboard box on a pallet. The unit must be unpacked carefully and before mounting the following must be Check before mounting checked:...
  • Page 25 Mounting, continued Mounting of the The louvers should be mounted as illustrated here (the gasket must close the gab louvers between the wall and the unit completely. Use weatherproof sealing if needed): Air guides on Wall internal side Gasket Escalade Slot for supply air Slot for...

  • Page 26: Transport Of Unit Mounted On Shelter

    Transport of unit mounted on shelter Important notice, If the Escalade Mecum is transported after it has been mounted on the shelter transportation wall it is of crucial importance that the Escalade Mecum is supported underneath. If the Escalade Mecum is not supported it will suffer damage. The Escalade Mecum could be supported as showed on the following drawings.

  • Page 27: Installation And Starting

    Installation and starting Introduction This section will guide you through the installation and the starting of the Escalade Mecum. Before you start Make sure you have the following available before you start the installation: • Tools for wire connections AC and the DC Both the AC and the DC power supply power supply should be protected by a circuit breaker to...
  • Page 28 Installation and starting, continued Connections, This drawing illustrates the connections regarding Escalade Mecum 5.8/8.7: Escalade Mecum 5.8/8.7 It is very important that the mains AC supply phases are connected correctly! Procedure Follow these steps to install the unit: Step Action Connect the DC supply according to the above drawing Connect the AC supply according to the above drawing Turn on the power and the unit will start a self-test, and then start performing...

  • Page 29: User's Guide

    User’s guide Overview Introduction This section only describes how to activate/use the different functions. Under each of the functions below, you will find relevant references if further information is needed. Illustration This drawing illustrates the control board: Test Occupied Dials for heating/cooling set points You can test all functions in the Escalade Mecum by pushing a sharp object against the Test test button (see above illustration).

  • Page 30: Service Guide

    All requests for information, service or parts should include serial number. Product model and serial numbers are available from the nameplate, which is located on the outside of the unit. Dantherm Air Handling model number: Escalade Mecum, 8.7 kW 028388 Contents This section covers the following topics:...

  • Page 31: Preventive Maintenance

    Preventive maintenance Introduction The unit contains moving mechanical parts. Also the units are often placed in rough environments, with high temperatures, humidity and dirt. To keep the air conditioner fit to meet the specifications, preventive maintenance has to be carried out. The units need preventive maintenance with specific intervals to avoid breakdown or inefficient operation and to maximize the lifetime.
  • Page 32 Preventive maintenance, continued Recommended The recommended approach when performing a preventive maintenance visit is: approach Step Action Make sure that the power to the unit is safely switched of Clean the unit carefully: • Air ducts • Fans • Filter •...

  • Page 33: Accessories

    This section will give you an overview of the available accessories for Escalade Mecum. You will find a list of accessories as well as a short description including part number for ordering. Additional information is available on each accessory, please contact Dantherm Air Handling A/S. List...
  • Page 34 Accessories, continued List, continued Accessory Illustration Description Part No. Hot spot This is an extra temperature 016363 sensor sensor to be placed in the critical spot of the shelter. The operation of the climate unit will then be controlled in accordance with the highest value of either the return air or hot spot sensor Same as the above, inclusive...
  • Page 35 Accessories, continued List, continued Accessory Illustration Description Part No. Humidity Hygrostat with adjustable setting 016361 controller of the maximum allowed % RH to override the free cooling and close the damper. The closed loop operation will then gradually lower the relative humidity Interconnection Interconnection cable, 10 m, with...
  • Page 36 Illustration Description Part No. DanView The DanView is a display unit for 012958 monitoring relevant parameters in connection with the Dantherm Air Handling standard shelter cooling units Electrical Escalade Mecum units are as 016244 heating standard equipped with a 2.0 kW...

  • Page 37: Spare Parts

    Spare parts Overview Introduction This section gives you a list of all available spare parts and under which number, they should be ordered. Furthermore the section contains an instruction in replacing the spare part. Contents This section contains the following topics: Topic See page Spare parts list...

  • Page 38: Spare Parts List

    Spare parts list List Here you have the complete list of spare parts with part numbers to use when ordering replacement spare parts. Spare part Part number Filter 011049 Internal fan DC 48 V 013326 Internal fan DC 24 V DC 010417 Internal fan AC 50/60 Hz 013328...

  • Page 39: How To Replace The Filter

    When to replace The filter only needs to be replaced when it is faulty, very filthy or as a part of the preventive maintenance. Dantherm Air Handling A/S recommends a replacement of the filter in a maximum interval of 6 months.

  • Page 40: How To Replace The Filter

    How to replace the filter, continued Procedure Follow these steps to replace the filter: Step Action Switch of all the power to the unit Unscrew the 2 torx 25 screws that hold the top front cover in place, and remove it Pull the old filter backwards and out Mount a new filter using the guides and make sure to push it completely in.

  • Page 41: How To Replace The Internal Fan

    How to replace the internal fan Product The purpose of the internal fan is to circulate the air inside the indoor enclosure. The description internal fan can either be of an AC operated or a DC operated type. When to replace The internal fan only needs to be replaced when it is faulty or as a part of a long time replacement plan, e.g.

  • Page 42: How To Replace The Internal Fan

    How to replace the internal fan, continued Procedure Follow these steps to replace the internal fan: Step Action Switch of all the power to the unit Unscrew the 2 torx 25 screws that hold the top front cover in place, and remove it Loosen the four 6 mm Allen screws and disconnect the two plugs to the fan and the connections to the heater element...

  • Page 43: How To Replace The External Fan

    How to replace the external fan Product The external fan remove surplus heat from the condenser when the active cooling description mode is active. This fan is AC driven. When to replace The external fan only needs to be replaced when it is faulty or as a part of a long time replacement plan, e.g.

  • Page 44: How To Replace The External Fan

    How to replace the external fan, continued Procedure Follow these steps to replace the external fan: Step Action Switch of all the power to the unit Dismount the grill on the right and left side of the unit, by removing the 8 torx 25 screws on each grill Remove the 13 mm bolts that holds the fan in place Pull the fan out side wards and dismount the wires in the connection box on...

  • Page 45: How To Replace The Control Board

    How to replace the control board Product The control board is a microprocessor equipped PCB with input/outputs to all the description electrical part of the Escalade Mecum. Based on inputs from 4 sensors placed in the unit it controls the fans, compressor etc. When to replace The control board only needs to be replaced when it is faulty.

  • Page 46: How To Replace The Control Board

    How to replace the control board, continued Procedure Follow these steps to replace the control board: Step Action Switch of all the power to the unit Remove the 2 torx 25 screws that hold the top front cover in place Switch the circuit breaker on the unit to off position Remove the 2 torx 25 screws that hold the cover plate over the wires and relays in place.

  • Page 47: How To Replace The Heater Element

    How to replace the heater element Introduction The heater element keeps the internal temperature at an adequate level at low ambient temperature. When to replace The heater element only needs to be replaced when it is faulty. Part number See section “Spare parts list”, page 38 in the service manual for part number information.

  • Page 48: How To Replace The Heater Element

    How to replace the heater element, continued Procedure Follow these steps to replace the heater element: Step Action Switch of all the power to the unit Remove the 2 torx 25 screws that holds the top cover in place, and remove it Loosen the four 6 mm Allen screws and disconnect the two plugs to the fan and the connections to the heater element Lift the entire fan assembly out...

  • Page 49: How To Replace The Damper Motor

    How to replace the damper motor Introduction The damper motor keeps the damper in the right position according to the signals from the control board. This is done in order to use the ambient air for cooling. When the Escalade Mecum is in free cooling range, the damper motor opens and closes the damper as determined by the control board.

  • Page 50: How To Replace The Damper Motor

    How to replace the damper motor, continued Procedure Follow these steps to replace the damper motor: Step Action Switch of all the power to the unit Unscrew the 2 torx 25 screws that hold the top front cover in place and remove it Remove the plate in front of the damper motor by unscrewing 2 Torx 25 screws...

  • Page 51: How To Replace The Temperature Sensors

    How to replace the temperature sensors Product The temperature sensors measure the temperature in different places and thereafter description send these measurements to the control board. There are 4 temperature sensors: • Ambient sensor • Supply air sensor • Return air sensor •...

  • Page 52: How To Replace The Dc/Dc Converter

    How to replace the DC/DC converter Introduction The function of the DC\DC converter is to supply the spring return damper motor with 24 V DC. When to replace The DC/DC converter only needs to be replaced when it is faulty. Part number See section “Spare parts list”, page 38 in the service manual for part number information.

  • Page 53: How To Replace The Dc/Dc Converter

    How to replace the DC/DC converter, continued Procedure Follow these steps to replace the DC/DC converter: Step Action Switch of all the power to the unit Unscrew the 2 torx 25 screws that hold the top front cover in place and remove it Disconnect the wires that are connected to the DC/DC converter Unlock the locking mechanisms under the DC/DC converter by using a...

  • Page 54: How To Replace The Power Relay For Internal Fan

    How to replace the power relay for internal fan Introduction The power relay makes the automatic change between the AC\DC converter to the battery back up when mains disappear. When to replace The power relay only needs to be replaced when it is faulty. Part number See section “Spare parts list”, page 38 in the service manual for part number information.

  • Page 55: How To Replace The Power Relay For Internal Fan

    How to replace the power relay for internal fan, continued Procedure Follow these steps to replace the power relay: Step Action Switch of all the power to the unit Unscrew the 2 torx 25 screws that hold the top front cover in place and remove it Pull out the relay.

  • Page 56: How To Replace The Relay For Damper Motor

    How to replace the relay for damper motor Introduction The power relay is controlled by the DanCon control board and it makes the open/close function of the damper. When to replace The relay only needs to be replaced when it is faulty. Part number See section “Spare parts list”, page 38 in the service manual for part number information.

  • Page 57: How To Replace The Relay For Damper Motor

    How to replace the relay for damper motor, continued Procedure Follow these steps to replace the relay: Step Action Switch of all the power to the unit Unscrew the 2 torx 25 screws that hold the top front cover in place and remove it Release the lock(s) that hold(s) the relay(s) and take out the relay(s) Replace the relay(s) with new one(s)

  • Page 58: How To Replace The Ac/Dc Power Supply For Internal Fan

    How to replace the AC/DC power supply for internal fan Introduction The AC\DC power supply supplies the internal fan with 48 V DC whenever AC is present. When to replace The AC/DC power supply only needs to be replaced when it is faulty. Part number See section “Spare parts list”, page 38 in the service manual for part number information.

  • Page 59: How To Replace The Ac/Dc Power Supply For Internal Fan

    How to replace the AC/DC power supply for internal fan, continued Procedure Follow these steps to replace the AC/DC power supply for internal fan: Step Action Switch of all the power to the unit Unscrew the 2 torx 25 screws that hold the top front cover in place and remove it Disconnect the 6 wires on the AC/DC power supply –...

  • Page 60: Fault Finding Guide

    This section will give you an instruction in locating the fault, when the fail LED on the control panel is active. DanLink Besides fault finding from the LED signals Dantherm can provide DanLink as accessory. DanLink can provide you with specific information of where the fault is located.
  • Page 61 Fault finding guide, continued Warning A warning is activated on one of the following events: • The condenser temperature sensor is missing or short circuited • The hot spot temperature sensor is short circuited • The return air temperature is 20 °C above the compressor set point. The alarm will be cleared when the temperature again is less than 18 °C above the set point •...

  • Page 62: Service Agreement

    Therefore the unit will need preventative maintenance on a regular basis. Hotline The After Sales Support Department of Dantherm Air Handling A/S is ready to help you in case of a problem. To be able to offer quick and efficient help, please have the following information ready when contacting Dantherm Air Handling A/S: •...

  • Page 63: Technical Information

    Technical information Overview Contents This section covers the following topics: If further technical details are requested, please contact Dantherm Air Handling A/S. Topic See page Technical data Next page Connections on the PCB Dimensions Resistance of temperature sensors Wiring diagrams...

  • Page 64: Technical Data

    Technical data Introduction This section gives you the technical data of the Escalade Mecum. Performance The table below shows the performance of the Escalade Mecum unit: Escalade Mecum Specification Unit Active cooling Free cooling Internal flow 2210 External flow 2925 Heater Measured at 35 °C ambient, 27 °C internal and humidity below 30 % Cabinet...
  • Page 65 Technical data, continued Electrical data, Power factor 3 phase Specification Escalade Mecum 8.7 400 V AC, 50 Hz 0.81 Unit with AC internal fan Max. start current 79.15 A Maximum current 16.75 A Nom. current, active cooling 12.05 A Nominal current, free cooling 3.05 A...
  • Page 66 Technical data, continued Operating range This table shows the operating range of the Escalade Mecum: Unit Escalade Mecum Pressure 70-106 Temperature, free cooling °C ÷ 40 - + 55 Temperature, closed loop °C ÷ 40 - + 55 Humidity % RH 8-95 ÷...

  • Page 67: Connections On The Pcb

    Connections on the PCB Fuses and This illustrates the PCB and the position of the fuses and switches: switches Part Function Dip switches Selecting unit n. Fuse 4.0 AT Condenser fan 50 Hz Fuse 6.3 AT Heater/compressor Fuse 6.3 AT AC mains Fuse 6.3 AT Internal DC fan 2...
  • Page 68 Connections on the PCB, continued RS 485 jack’s The 6 way RJ 11 female connector on the control board, or the one located beside the air injection in the top of the unit on the internal side, can be used for the DanLink (Telemetry option), computer tests or the optional display, DanView.
  • Page 69 Connections on the PCB, continued Low voltage J13 This shows the connections to the low voltage connector on the control board: J13 on the control board J13 female seen from PCB side J13 low voltage 48 way Eurocard connector Pin No. Interconnection - Warning relay NC.

  • Page 70: Dimensions

    Dimensions Illustration This drawing illustrates the dimensions of the Escalade Mecum: LH side Front RH side Rear Table with This table shows the dimensions, the letters corresponds to the drawing above: dimensions Escalade Mecum 5.8/8.7 Escalade Mecum Letter 11.3/14.1 kW 92 mm 67 mm 200 mm...

  • Page 71: Resistance Of Temperature Sensors

    Resistance of temperature sensors Scheme The table shows the resistance of the sensor at a given temperature: Temperature Resistance Temperature Resistance Temperature Resistance °C in Ohm °C in Ohm °C in Ohm ÷ 40 90061 ÷ 8 13391 2821 ÷ 39 84325 ÷...

  • Page 72: Wiring Diagrams

    Wiring diagrams Overview Contents This section contains the following wiring diagrams: Topic See page Mains supply next page Compressor and condenser fan control Internal fan control Heater control Damper motor control Auto trafo control DanCon control board...

  • Page 73: Mains Supply

    Mains supply Wiring diagram This is the wiring diagram for mains supply:...

  • Page 74: Compressor And Condenser Fan Control

    Compressor and condenser fan control Wiring diagram This is the wiring diagram for compressor and condenser fan control:...

  • Page 75: Internal Fan Control

    Internal fan control Wiring diagram This is the wiring diagram for internal fan control:...

  • Page 76: Heater Control

    Heater control Wiring diagram This is the wiring diagram for heater control:...

  • Page 77: Damper Motor Control

    Damper motor control Wiring diagram This is the wiring diagram for damper motor control:...

  • Page 78: Auto Trafo Control

    Auto trafo control Wiring diagram This is the wiring diagram for auto trafo control:...

  • Page 79: Dancon Control Board

    DanCon control board Wiring diagram This is the wiring diagram for DanCon control board:...

  • Page 80: Index

    35 internal fan..............13 cabinet ............... 64 cables................. 27 compressor ..............13 louvres................ 25 contact Dantherm Air Handling ........62 control board manual part no.............. 6 communication port ..........15 mounting..............24 DanCon ..............15 description ............. 15 dials ...............
  • Page 81 storage ............... 66 transport of unit mounted on shelter ......26 SUB-D ................ 13 supply and return grills ..........36 usage, get ready for............ 23 user’s guide ..............29 table of content, complete ..........4 target group..............6 wall ducts..............36 technical data .............

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