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DC Air Conditioner 3000 Service manual Rev. 1.0...
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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...
Target group The target group for this service manual are the technicians who install and maintain the DC Air Conditioner 3000 unit, as well as the users of the unit. Copyright Copying of this service manual, or part of it, is forbidden without prior written permis- sion from Dantherm Air Handling A/S.
This section describes the overall product, and its functionality Usage of the DC Air Conditioner 3000 is designed to control the internal temperature of an outdoor DC Air Conditioner enclosure. DC Air Conditioner 3000 removes dissipated heat from electronic equipment 3000 and it´s designed to maintain correct temperature for electronic equipment.
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Overall description, continued Outdoor view This illustrates the unit outdoor visible parts Fig. 1 Parts description This tables shows outdoor parts according to Fig. 1 outdoor view Part Function Mounting frame Lifting handles Condenser air output Condenser air input Condensed water spigot Continued overleaf...
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Overall description, continued Indoor view This illustrates the unit indoor visible parts Fig. 2 Parts description This tables shows indoor parts according Fig. 2 indoor view Part Function Evaporator air inlet Controller Service entrance Evaporator fan blowing cold air out Serial number label Continued overleaf...
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Functionality The illustration and table below show the airflows of DC Air Conditioner 3000. The two air flows (internal/external) operate separately. External air is only used to cool down the condenser which dissipates the heat absorbed by the indoor evaporator.
Electronic control description Introduction This section describes key features of the electronic control, and how it operates. WARNING Never carry out any installation, maintenance or service, without disconnecting the DC power supply, by means of the external power supply disconnecting devices. Installation Please incorporate the following when installing the electrical connections: requirements...
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Electronic control description, continued Alarms The controller has one hardware alarm output. Alarm output is a bi-directional dry contact. Max load 60V/50mA. Contact is closed on failure. Two LED’s indicates status of operation. LED indication Color STATUS Definition Green Power supply OK No power or Voltage out of range Flashing Selftest on-going.
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Electronic control description, continued Data communication The controller has an RS 485 communication line with an embedded ModBus protocol. This interface has galvanic insulation. Communication settings: RS 485 specification Baud rate 9600 baud 8 bit Stop bit 1 bit Parity Cooling setpoint Cooling set point can be set between 20-40 °C in steps of 5°C.
Connections Connection This illustration shows the control panel with connections. Fig. 4 Connection This describes the above connection: description Part Function Cooling set-point dial Alarm output, see specification at page 9 RJ45 – factory only Earth connection Reset switch Power input -44.0 to -58.0 VDC. Reverse polarity protected. LED feedback, see specification at page 9...
Installation - outdoor Introduction The unit can be mounted outdoor, flush to the wall, or through wall. Is through wall please jump to next section in this manual Flush wall outdoor Mounting procedure for outside flush: mounted Step Action Unpack the unit, and locate the enclosed paper cutout template Place and secure this paper template on the wall, at an appropriate location and in correct level.
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Installation - outdoor, continued Flush mounted, continued Step Action After cutting apply a polymer sealing, at all four sides, following the outside line of the drilled holes. Illustration: Lift and push the unit into the hole, and install all 16 pcs bolts Continued overleaf...
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Installation - outdoor, continued Flush mounted, Step Action continued, continued Install the drainage hose Make electrical connection. Always install an external DC circuit breaker. Illustration: Connect additional connection to alarm out if needed, according the con- nection section in this manual at page 11 Continued overleaf...
Installation – through wall Throug wall The through wall installation differs from outdoor only in two details: Please read the guide for outdoor, and taking the below changes in consideration Phase Description When marking the cutout area, don’t use the paper template. Use instead a normal ruler, and mark a square of 480mm wide and 1260 mm high according the dimension shown in the specification part of this manual at page 29.
Service guide Overview Introduction This section gives all relevant information about servicing, spare parts and trouble shooting. Serial numbers Product model and serial numbers are found on the nameplate. Please have product model and serial numbers ready if you are contacting After Sales Support.
Preventive maintenance Introduction Preventive maintenance has to be carried out to: Anticipate a continues operation in product expected lifetime of 10 years or more Meet the warranty conditions Avoid malfunctions Avoid inefficient operation Maximize the unit’s lifetime The factory warranty is only valid if documented preventive maintenance has been car- ried out, with an time interval of: ...
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Preventive maintenance, continued Cooling circuit The cooling circuit should only be serviced by trained cooling technicians. The following steps is mandatory: Step Action Check for any leakages in all junctions, with a suitable leakage detector foam. Check the HP switch functionality. A.
Troubleshooting Introduction Operating errors may occur. Please follow below service guidelines for possible solu- tions. Fault: No cooling No cooling, fan on =YES Fans is running. Shelter Temperature Set dial lower than Check temp sensor > setpoint ? temperature according schematics Check power supply to Red Alarm LED flash? compressor dirve...
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Troubleshooting, continued Fault: No visible or audiable No cooling, fan off running indication. =YES Both fans off Power connected Correct and connect correctly and present ? Check 24V to DC con- Check/replace DC filter Green LED on ? troller inside range ? module or cable Replace DC controller unplug compressor...
Cooling circuit Introduction This section describes the active cooling system WARNING Never carry out any installation, maintenance or service, without disconnecting the AC power supply, by means of the external power supply disconnecting devices. Service on any cooling circuit with cooling refrigerant is only too carried out by a trained cooling technician.
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Locating cooling parts Fig. 7 Parts designation This tables shows the cooling part shown on Fig. 7 Pos. Part Evaporator Controller Condenser fan Expansion valve Evaporator fan Condenser High pressure switch (HP) Low pressure switch (LP) Receiver Compressor...
Spare part list Illustration Available spare parts for DC Air Conditioner 3000: Fig. 8 List List of spare parts including spare part numbers for DC Air Conditioner 3000: Pos. Description Main controller type CC3 218639 DC supply filter 218649 Capacitor 2200F...
Replacing parts Introduction This section covers the replacement of parts WARNING Never carry out any installation, maintenance or service, without disconnecting the AC power supply, by means of the external power supply disconnecting devices. Condenser fan Follow these steps in order to replace the evaporator fan Step Action Disconnect power...
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Replacing parts, continued Evaporator fan Follow these steps in order to exchange one or both of the evaporator fan Step Action Disconnect power Remove the 23 pcs. TX 20 screws (pos.1) from the outer cover Gently pull out the outer cover, and remove it Remove the 4 pcs.
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Replacing parts, continued Electronics Follow these steps to locate and exchange electronic parts from the inside service en- trance Step Action Disconnect power, and remove all plugs connected to the connection panel Remove the 10 pcs. TX 20 screws and remove the cover plate pos.A Remove the 2 pcs.
Technical data Introduction This section covers technical data and dimensions for DC Air Conditioner 3000. Technical data This table shows the technical data for the DC Air Conditioner 3000 Specification Unit Value Operational temperature range °C -15 ~ +55 Storage temperature °C...
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Technical data, continued Dimensions Fig. 9 Continued overleaf...
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Technical data, continued EC-Declaration of Dantherm Air Handling A/S, Marienlystvej 65, DK-7800 Skive hereby declare that the Conformity units DC Air Conditioner 3000 are in conformity with the following directives: 2006/42/EC Directive on the Safety of Machines 2006/95/EC Low Voltage Directive 2004/108/EC EU EMC Directive (December 2004)...
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