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18 

How to replace the external fan 

 

 

The external fan only needs to be replaced when they are faulty or as a part of a long 
time replacement plan, e.g. after approximately 5 years. 

When to replace 

 

Caution! 

  Only trained and certified technicians are allowed to replace parts 

  Switch of the DC supply before working on the unit 

  Make sure that all work has been performed before switching on the power again 

 

Make sure you have the following tools available before you start: 

Tools 

  Torx 20 screwdriver 

 

This drawing illustrates the external fan 
and where the fan is placed in the unit:

Illustration 

 

Continued overleaf 

Summary of Contents for HEX 30

Page 1: ...HEX 30 Service manual EN No 061629 rev 1 0 25 02 2008...

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: ...e the complete table of content for further information about the sections Serial number This manual covers units with serial numbers equal or higher than xxxxxx1131132 Table of contents This service...

Page 4: ...ction 3 Table of content 4 General information 5 Product description 6 Description of the HEX 30 and its parts 7 Control board 8 Functional description 9 Mounting and installation 11 Service guide 12...

Page 5: ...otice or obligation Dantherm Air Handling A S Marienlystvej 65 DK 7800 Skive hereby declare that the units mentioned below EC Declaration of Conformity 352909 HEX 30 are in conformity with the followi...

Page 6: ...ction This section will give you a description of the HEX 30 and its functionality Content This section covers the following topics Topic See page Description of the HEX 30 and its parts next page Con...

Page 7: ...l fan d Control board with temperature sensor g Drain hole at the back of the unit e Heat exchanger Cabinet The cabinet is made of made of alu zinc sheet steel Heat exchanger The heat exchanger ensure...

Page 8: ...ide the cabinet 60 C Major alarm is when the internal external or the tempera ture sensor fails Part Function RS 232 To be used for factory testing or to get further information from the controller Al...

Page 9: ...ir via the heat exchanger The air flows are never mixed This illustrates the air flow of the HEX 30 Internal air flow The warm internal air is sucked from the enclosure into the internal fan at the to...

Page 10: ...the speed of the internal fan according to different temperatures on this drawing Top temperature inside the cabinet External fan strat egy See the speed of the external fan according to different te...

Page 11: ...again Before you start Make sure you have the following available before you start the installation 8 M6 nuts Cable with Sub D 9 pole plug Mounting Follow this procedure to mount the unit to the insi...

Page 12: ...d include serial number Product model and serial numbers are available from the nameplate Contents This section covers the following topics Topic See page Preventive maintenance next page Spare part l...

Page 13: ...nded preventive maintenance intervals should not exceed 6 months Preventive main tenance Please follow this procedure to carry out the preventive maintenance Step Action 1 Clean the fans either vacuum...

Page 14: ...ilable spare parts for HEX 30 Illustration c d f e List of spare parts including spare part numbers List Pos Dantherm no Description 1 061589 Complete unit 2 061535 Internal fan 3 061533 External fan...

Page 15: ...ffective to replace the whole unit in stead of just replacing the fans etc This should be estimated from case to case When to replace it Before you start to replace the fan make sure that you have the...

Page 16: ...trained and certified technicians are allowed to replace parts Switch of the DC supply before working on the unit Make sure that all work has been performed before switching on the power again Make s...

Page 17: ...nt 2 Remove the 4 torx 20 screws that holds the front cover plate and re move the front cover plate 061629 Version 1 0 25 02 2009 3 Loosen do not unscrew the 4 torx 25 screws that hold the fan and lif...

Page 18: ...ly trained and certified technicians are allowed to replace parts Switch of the DC supply before working on the unit Make sure that all work has been performed before switching on the power again Make...

Page 19: ...ect all power to the unit by removing the plug from the front 2 Remove the 4 torx 20 screws that holds the fan assembly 3 Disconnect the 4 way multi plug from the fan assembly 4 Reconnect the multi pl...

Page 20: ...available before you start Before you start Torx 20 screw driver Straight slot screw driver for power plug This drawing illustrates the control board and where it is placed in the unit Illustration Fo...

Page 21: ...constantly Too high temperature in the shelter above 60 C or a fan failure Replace the fan The red LED is flashing The on board sensor has been disconnected shorted Replace the controller The interna...

Page 22: ...therm Air Handling 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 malfunction...

Page 23: ...chnical 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 and dim...

Page 24: ...ondensing environment Operating temperature ambient C 45 55 Cold start 30 C Power supply V DC 40 60 Nominal 48 Power consumption W 80 Performance W K 30 Air output M3 h 250 Capacity T 20K W 600 Weight...

Page 25: ...25 Wiring diagram This is the wiring diagram for the HEX 30 Diagram 061629 Version 1 0 25 02 2009 Control board Internal fan External fan...

Page 26: ...heat exchanger 7 I internal air flow 9 internal fan 7 14 L LED illuminates constantly 21 LED is flashing 21 M maintenance intervals 13 manual part no 5 mounting 11 P preventive maintenance 13 product...

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