1. Manuals
  2. Brands
  3. Master Manuals
  4. Air Conditioner
  5. AC 24
  6. Installation manual

Master AC 24 Installation Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
EN
AC 24
Installation manual
Rev. 1.0
Rev. 1.0

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the AC 24 and is the answer not in the manual?

Questions and answers

Related Manuals for Master AC 24

Summary of Contents for Master AC 24

  • Page 1 AC 24 Installation manual Rev. 1.0 Rev. 1.0...
  • Page 2 Dantherm S.p.A Marienlystvej 65 DK - 7800 Skive Tel.: +45 96 14 37 00 Fax: +45 96 14 38 00 Declaration of following product: AC 24 Product name: Product no.: 323043 The product is in conformity with the following directives: 2006/42/EC...
  • Page 3 Overview Introduction This is the service manual for the Master AC-24 unit. The below table of contents gives an overview of the main sections. This manual is for the unit AC 24 Dantherm Number Code 323043 AC-24-B-305-R9010 * 4120-22-631-1514 *) The code is specified on the data plate, which is placed on the control panel.
  • Page 4 Copying of this service manual, or part of it, is forbidden without prior written permission from Master. Reservations Master reserves the right to make changes and improvements to the product and the service manual at any time without prior notice or obligation. Recycling The unit is designed to last for many years.

  • Page 5: Table Of Contents

    Transport of the unit Starting up and shutting down the air conditioner Reset of thermo relay and control circuit fuse Service guide Preventive maintenance Spare parts Fault finding guide Service agreement Technical information Technical data Dimensions Wiring diagram, AC 24 Wiring diagram reference...

  • Page 6: Product Description

    Product description Introduction This section will give you a description of the AC 24 and its functionality. Content The section covers the following topics: Topic See page General description Transport of the unit Description of parts Syntax Description of the cooling system...
  • Page 7 The following sections describe the different parts of the unit.. General The AC 24 is a portable air conditioner that is made of high quality materials and the production process is subject to constant quality checking. The instructions in this service manual have been prepared to ensure that, when followed, this air condi-tioner will provide long and efficient service.

  • Page 8: General Description

    General description, continued Illustration This illustration gives an overview of the unit.      Parts Item Description Handlebars for transport ( Accessories) Wheels for easy field mobility of the unit (Accessories) Control panel with function switch and lamps Mains cable Room thermostat Transport of the unit.

  • Page 9: Syntax

    Syntax Introduction All products are named according to a syntax giving information about the specific unit configuration. Example This example is not necessarily related to the specific unit this manual describes: AC_24_ B_305_ R9010 Air conditioner Nominal performance 24.000BTU/h 1ph; 230VAC; 50Hz 1ph;...

  • Page 10: Description Of Parts

    Description of parts Introduction This section gives a description of the following parts of the AC 24: • Cabinet • Fans • Air filters • Mains cable • Heating coil • Air openings The following sections in this chapter give separate detailed descriptions of the cooling circuit, the control board and operation.
  • Page 11 Description of parts, continued Mains cable The unit requires an external electric power source. The mains cable is 10 m long and normally has a 16 A CEE connector at its end. Air openings Varm air outlet Cold air intake Cold air out Hot Air intake...
  • Page 12 Description of parts, continued Air openings, continued inlets/outlets Purpose Supply air outlet, Air is supplied to the tent/shelter through these openings. 1 × 315 mm Flexible air hose(s) will be connected here Return air inlet, Air is drawn into the unit through this/these opening(s).

  • Page 13: Description Of The Cooling System

    Description of the cooling system Illustration This drawing illustrates the different parts of the cooling circuit and where they are situated in the AC 24 unit:          Parts and their function This table gives an overview and short description of each part shown above and on the next page: ...
  • Page 14 Description of the cooling system, continued Description Both evaporator and condenser are heat exchangers with copper tubes and aluminium coated fins. By the cooling of the evaporator air stream heat is adapted to the cooling circuit and released in the condenser together with the electric energy consumption of the compressor. At room temperatures below 20 °C, where cooling is not normally required, the humidity in the airflow will form ice on the evaporator.

  • Page 15: Description Of The Control Board

    This section gives a description of the control board. A description of how to start up, for example, is found in the relevant sections. The control panel on the front contains the controls required for normal operation. Illustration This drawing illustrates the control board of the AC 24:...
  • Page 16 Description of the control board, continued Part/function This table gives an overview of each part of the control panel in fig. 6: Part Function Electric Mains cable with a 16 A CEE connector at the end  connection Function The function switch selects the operating mode and has three positions: ...

  • Page 17: Description Of Room Thermostat

    Description of room thermostat Introduction This section gives a detailed description of the room thermostat. Illustration This drawing illustrates the different parts of the room thermostat:    Sensor  Parts and their function No Part Function Knob Setting of the temperature ...

  • Page 18: Description Of The High And Low Pressure Switch Function

    Description of the high and low pressure switch function Introduction This topic describes the HP/LP function. System protection The cooling system is protected by pressure switches. If the pressure falls outside of the normal operating range, the air conditioner compressor is automatically switched off. This is to prevent component damage.

  • Page 19: Functional Description

    With the function switch in this position, the unit will operate according to the room thermostat Room thermostat operation, settings. cooling/heating (if installed) On the AC 24 with heating coils the room thermostat has a flip switch with the following positions: • Cool With the flip switch in the cool position, the unit will cool as long as the thermostat senses a temperature higher than the set point.

  • Page 20: User's Guide

    User’s guide Introduction This section describes how to utilise the different functions. WARNING Do not try to restart the compressor several times within a short period. This will make the compressor overheat and may damage it. The internal compressor thermostatic protection may also cut out. Operating the product outside the temperature range specified in the technical data will cause the cooling system to start frequently.

  • Page 21: Preparations

    Preparations Location Follow these conditions when siting the air conditioner: Conditions Place in the shade as close as possible to the tent/shelter that needs to be ventilated Place the air supply ducts in both ends of the tent/shelter Allow sufficient space around the air conditioner for operating and servicing access Avoid sharp bends or kinking when locating air supply ducts in order to avoid disrup-tion of the airflow (see “Recommended camp configuration”, page 23) Keep any source of engine exhaust fumes (vehicles/generators etc.) away from air in-takes...

  • Page 22: Setup

    Setup Procedure Step Action Find a suitable location for the air conditioner as described on previous page. Supply ducts. Connect the flexible insulated air hoses to the evaporator discharge openings and insert the opposite end of the hose to the tent. If there are any internal distribution hoses in the tent, these can be connected too Return ducts.

  • Page 23: Recommended Camp Configuration

    Recommended camp configuration Introduction The configuration is an important factor for gaining the highest performance and reliability from the air conditioner including lowest power consumption. A camp can be set up in various ways and still work, but a few important hints will be given in this section. This section describes the following: •...
  • Page 24 Recommended camp configuration, continued Air distribution In cases where air distribution plenums are used for distributing the internal cooled air, it can be an advantage if the plenum is located under the roof. The cold air will slowly fall to ground and be sucked back into the air conditioner. Sand storm In case of sand storms it is important that the air conditioner is shielded against the sand.
  • Page 25 Recommended camp configuration, continued Doors and openings In order to achieve best performance it is imperative that doors and openings are kept closed. Heat sources Heat producing sources will degrade the efficiency of the air conditioner and thus non- essential heat sources should be turned off whenever possible. Surroundings Do not cover, block or obstruct the air path.

  • Page 26: Transport Of The Unit

    Recommended camp configuration, continued Drain Water draining from the evaporator will saturate the area around the drain outlet. Pay attention to this potential problem and route away condensate if necessary. If possible raise the air conditioner above ground level by use of a pallet or other suitable means. WARNING Do not park vehicles where exhaust gases can be drawn into the air intake of the AC-24...

  • Page 27: Starting Up And Shutting Down The Air Conditioner

    Starting up and shutting down the air conditioner Start up After preparation and set-up the air conditioner is ready for operation. Turn the function switch to the desired mode (see “Description of the control board”, page 14) and the unit will operate according to the “Functional description”, Fault If the unit does not operate it might have been switched off by a safety device: •...

  • Page 28: Reset Of Thermo Relay And Control Circuit Fuse

    Reset of thermo relay and control circuit fuse Introduction The procedures below describe how to reset the thermo and replace the control circuit fuse. Thermo relay If the running current for the compressor, condenser fan or evaporator fan exceeds the set value, the thermo relay will switch off the compressor or fan and will have to be reset.

  • Page 29: Service Guide

    Service guide Contents Topic See page Preventive maintenance Spare parts Fault finding guide Service agreement...

  • Page 30: Preventive Maintenance

    Preventive maintenance Introduction In order to achieve the best possible operation and long lifetime of the air conditioner it has to be maintained properly within defined guide lines. This section contains the description of daily, monthly and annual maintenance. Tools For service and maintenance no special tools are required.
  • Page 31 Preventive maintenance, continued Monthly preventive Step Action maintenance Perform daily maintenance as described on previous page. Remove the air filter which have to be vacuum cleaned or washed in lukewarm soapy water. The evaporator filter is easily removed. In order to remove the filter material, Remove the three flexible plastic rods holding the filter in place .

  • Page 33: Spare Parts

    Spare parts Introduction This section contains the general information needed when ordering spare parts. For units in military services spares will normally be ordered through the military logistic system. When ordering When ordering, kindly inform us about: • Dantherm S.p.A. spare parts number/text •...
  • Page 34 Spare parts for cabinet Illustration Available spare parts...
  • Page 35 Spare parts for cabinet Cabinet Cabinet Art.No. Name 098820 Sideplate right/left 4130-22-632-1603 098822 Rear plate with hose connection 4130-22-632-1606 098823 Hose connection 5999-22-632-1609 098824 Filter mounting 5340-22-632-1612 081579 Filter 4130-22-632-1614 093803 Roomthermostat complete. 5930-22-632-1619 081582 Condenser fan 4140-22-632-1622 075499 Evaporator fan 4130-22-632-1626 098830 Front for controller...
  • Page 36 Spare parts for Cooling system Illustration Available spare parts for cooling system 2.10 2.11...
  • Page 37 Spare parts for Cooling system Cabinet Cabinet Art.No. Name 081580 Condenser coil 4130-22-632-1665 063125 Service valve 4820-22-632-1667 298976 Low Pressure switch (LP) 5930-22-632-1668 098840 Compressor cpl. 4130-22-632-1670 091283 Evaporator coil 4130-22-632-1672 081631 Thermostatic valve 4820-22-632-1677 063123 Sight glass 6680-22-632-1679 298974 Filter drier 4130-22-616-3541 063128...
  • Page 38 Spare parts for Controller Illustration Available spare parts for controller 3.10 3.12 3.11...
  • Page 39 Spare parts for Controller Cabinet Cabinet Art.No. Name 081686 Transformer 6120-22-632-1689 098858 K1 - Contactor Cpl. 6110-22-632-1709 098859 K2 - Contactor Cpl. 6110-22-632-1710 098860 K3 - Contactor Cpl. 5945-22-632-1712 098861 Fuse Block 5920-22-632-1713 098862 Fuse 10 pcs. 5925-22-632-1714 098863 Terminal block cpl. 5940-22-632-1726 098864 Controller front...
  • Page 40 Accessories Accessories Art. No. Description Illustration Nato Stock Number 4520-22-631-7709 096673 Wheel set and handles 097754 Hose Ø320mm L. 3000mm 4720-22-631-7710 097756 Air distribution hose 4720-22-631-7163 Ø320mm L. 5000mm 5340-22-631-7711 098108 Hose ties 093894 Handles 5340-22-631-7708...

  • Page 41: Fault Finding Guide

    Fault finding guide Fault finding Malfunctions that might occur in the operation of the air conditioner are listed in the table below. Reference to actions required to restore the air conditioner to normal op-erating condition are also indicated. If the air conditioner should malfunction, find the problem in column 1. Columns 2 and 3 describe the possible causes and corrective actions.
  • Page 42 Fault finding guide, continued Fault finding, continued Problem  Cause  Action  Condenser or evaporator fan Fan thermo relay has cut off Press the reset button for does not operate. the evaporator or condenser fan on the control panel (see section “Reset of thermo", Green and red thermo relay page 28)

  • Page 43: Service Agreement

    Service agreement Introduction The unit includes mechanical and electrical parts and the unit is often placed in a rough environment where the components are exposed to different climate conditions. Therefore the unit will need preventative maintenance on a regular basis. The After Sales Support Department of Dantherm S.p.A.

  • Page 44: Technical Information

    Technical information Overview This section provides technical information about the AS 24 and covers the following topics: Contents Topic See page Technical data Dimensions Wiring diagram, AC 24 Wiring diagram reference...

  • Page 45: Technical Data

    Technical data Introduction Technical data for the AC 24 units. *Note: All data regarding heating is only relevant for models with heating coil installed. Performance The air conditioner has a maximum cooling capacity of 6.0 kW. characteristics When the relative humidity of the air inlet is high, the air can be cooled below its dew point and thus condense some of the water vapour to free water.

  • Page 46: Dimensions

    Dimensions Dimensions...

  • Page 47: Wiring Diagram, Ac

    Wiring diagram Wiring diagram...
  • Page 48 Wiring diagram, continued Wiring diagram, Continued...

  • Page 49: Wiring Diagram Reference

    Compressor relay Condenser fan motor thermo Room thermostat relay Compressor thermo relay Function switch Green lamp “Mains” Transformer Red lamp “Thermo relay” Thermostat plug Yellow lamp “HP/LP” Control current breaker Master can accept no responsibility for possible errors and changes.
  • Page 52 United Arab Emirates t. +971 56 831 7466 Lars Skou Nielsen Master is a part of Data, descriptions and pictures are for indication only and absolutely not binding. The Company reserves the right to modify or improve them without prior notice.

Table of Contents