Dantherm DanX 2/4, Service Manual

Page 1: ...DanX Service manual EN No 029884 rev 1 2 15 10 2007...

Page 2: ...hold for trykfejl og ndringer Dantherm can accept no responsibility for possible errors and changes Irrt mer und nderungen vorbehalten Dantherm n assume aucune responsabilit pour erreurs et modificati...

Page 3: ...engineers If such precautions are neglected persons or equipment may be injured or damaged Not included This manual does not include information about Transport mounting installation start and commis...

Page 4: ...set the frost thermostat 9 How to adjust fan belts 10 How to adjust the number of fan rotations 11 Service guide 13 Planning of service inspections overview 14 Preventive maintenance 16 How to service...

Page 5: ...the service manual at any time without prior notice or obligation EC Declaration of Conformity Dantherm Air Handling A S declares that the DanX units comply with the following directives 98 37 EEC Dir...

Page 6: ...e unit is delivered with control from Dantherm Air Handling A S Note Not all DanX units are delivered with thermostats and pressure switches Contents This section deals with the following items Item S...

Page 7: ...eset Do as follows to reset the high pressure switch Step Action 1 Open the door to the compressors and locate the high pressure switch on the cold conductor 2 Press the red button to reset the high p...

Page 8: ...er than the pre set temperature e g 40 C If the unit is delivered with control from Dantherm Air Handling the release of the fire thermostat will switch off the ventilation unit Procedure Do as follow...

Page 9: ...the water valve opens and the circulation pump that may be connected accessory will start running If the unit is delivered with control from Dantherm Air Handling Procedure Do as follows to reset the...

Page 10: ...accordance with the mm indications of the table last column The deflection strength of each belt is dependent on the profile type and the distance between the centres Use the drawing and the table to...

Page 11: ...the number of motor rotations and the relation between the diameters of the two pulleys Dependent on the motor size the pulleys have 1 2 or 3 grooves Illustration Taperlock pulley Part function This...

Page 12: ...f flow a pressure difference will be created between the two measuring points The negative pressure in the inlet cone of the fan is getting bigger than on the suction side of the fan Flow and pressure...

Page 13: ...ls in section Planning of service inspections overview page 14 Guarantee The factory guarantee is only valid when the preventive maintenance is in accordance with the guidelines of this section Writte...

Page 14: ...18 5000 operation hours annually Check the following parts after 5000 operation hours and at least once annually to ensure optimum operation Component Service Ref Fan The ball bearings of large fans a...

Page 15: ...he coils Clean the condensate tray the outlet and the drain trap Check the condensation amount Page 31 Fan Check the fan wheel Check the vibration dampers and the flexible connections Page 18 Air dist...

Page 16: ...ntenance on the various unit parts within the stipulated intervals Read more about intervals in section Planning of service inspections overview page 14 Guarantee The factory guarantee is only valid w...

Page 17: ...before service Illustration The cabinet Procedure Do as follows to service the cabinet Step Action 1 Use a dry cloth to clean the cabinet Note it may be necessary to use water and detergent 2 Lubrica...

Page 18: ...driven fans Direct driven fans Plug fans Procedure Do as follows to service the fan Step Action 1 Check and clean if necessary the fan wheels for dust that may cause unbalance and vibrations If necess...

Page 19: ...d the centre distance Dantherm Air Handling recommend the use of special purpose tools for the measuring of the belt tightening in order to ensure the control of the values of the table below Belt Pro...

Page 20: ...damper which is described separately under Accessories See How to service dampers page 32 Warning Do not forget to disconnect all current to the unit and its parts before service Take care when clean...

Page 21: ...e edges of the rotary heat exchanger 3 Wash with fat dissolving detergent to remove fat or dirt on the edges of the heat exchanger 4 If necessary clean the heat exchanger by compressed air Use a vacuu...

Page 22: ...on the surface Special conditions Where a unit is used in connection with exhaust e g from a kitchen with fatty air exhaust hood filters etc must be cleaned every day to ensure optimum performance and...

Page 23: ...Water and dirt is removed from the opposite side of the exchanger Procedure service The cross flow heat exchanger is serviced as described below Step Action 1 Check that the edges of the heat exchange...

Page 24: ...preventive maintenance is consequently important Procedure Do as follows to service the run around heat exchanger Step Action 1 Check the coils for dust or dirt If necessary clean the alu slats by a...

Page 25: ...continued Step Action 6 Clean the condensate tray the drain and the drain trap from the drip tray under the cooling coil 7 Check and clean the eliminator plate if the unit is equipped with one Use com...

Page 26: ...heck the coils for dust or dirt If necessary clean the alu slats by a soft brush and a vacuum cleaner Alternatively you may blow compressed air through the coil against the normal air direction 2 Stra...

Page 27: ...viation is to be expected because of different temperatures inside the unit or change to summer winter operation or defrosting mode 2 Check that there is perceptible cooling over the evaporator and he...

Page 28: ...through the filter decides the intervals Use the following methods to decide whether a filter needs to be replaced A filter guard if fitted will give a signal when the filter needs to be replaced A d...

Page 29: ...new bag filters against the gaskets inside the unit Procedure panel filter Do as follows to replace the panel filter Step Action 1 Pull out the filter frame 2 Replace the panel filter 3 Clean the fra...

Page 30: ...Illustration The heating coil Procedure Do as follows to service the heating coils Step Action 1 Check the coils for dust or dirt If necessary clean the alu slats by a soft brush or a vacuum cleaner...

Page 31: ...coils during cleaning Illustration A cooling coil Procedure Do as follows to service the cooling coils Step Action 1 Carefully clean the coils using a high pressure cleaner with atomizer or compressed...

Page 32: ...not need lubrication Illustration Dampers Bypass damper Louver damper Procedure Do as follows to service the dampers Step Action 1 Clean the damper louvers 2 Check that the rubber gaskets are fixed an...

Page 33: ...ailable before start Brush or vacuum cleaner Warning Do not forget to disconnect all current to the unit and the unit parts before service Illustration The air distributor Procedure The air distributo...

Page 34: ...e correct part The serial number is indicated on the name plate of the unit Contact information Contact the After Sales Support Department at Dantherm Air Handling A S Tove I Kristensen 45 9614 4762 S...

Page 35: ...ng A S offers to do the preventive maintenance on the units so that they at all times will operate according to factory standards Corrective and emergency repair In case of malfunctions of the product...

Page 36: ...re thermostat 8 frost thermostat 9 G general information 5 guarantee 13 16 H heat pump 26 heating coil 30 high pressure switch 7 HP switch 7 P panel filter 28 planning of service inspections 14 plug f...