FRIEDHELM LOH Rittal 3273 Series Assembly And Operating Instructions Manual Download Page 2

Contents

EN

2

Rittal enclosure cooling unit

Contents

1

Notes on documentation  .................. 3

1.1

CE labelling ..................................................   3

1.2

Storing the documents.................................   3

1.3

Symbols used in these operating instructions  3

1.4

Other applicable documents ........................   3

2

Safety notes  ..................................... 3

3

Device description  ............................ 3

3.1

TÜV-tested output measurement to 
DIN EN 14511 ..............................................  4

3.2

Functional description ..................................   4

3.2.1 How it works ......................................................... 4
3.2.2 Control .................................................................. 4
3.2.3 Bus mode (e-Comfort controller only)  .................... 4
3.2.4 Safety devices ....................................................... 5
3.2.5 Condensation ....................................................... 5
3.2.6 Filter mats  ............................................................. 5
3.2.7 Door limit switch  ................................................... 5
3.2.8 Additional interface X3  .......................................... 5

3.3

Proper use, foreseeable misuse ...................   5

3.4

Scope of supply ...........................................   6

4

Assembly and connection  ................ 6

4.1

Choosing the installation site ........................   6

4.2

Notes on assembly ......................................   6

4.2.1 General ................................................................. 6
4.2.2 Layout of the electronic components in the 

enclosure .............................................................. 6

4.3

Fitting the cooling unit ..................................   7

4.3.1 Making the cut-outs  .............................................. 7
4.3.2 Top mounting of the cooling unit  ........................... 7

4.4

Connecting the condensate discharge .........   8

4.5

Notes on electrical installation ......................   9

4.5.1 Connection data  ................................................... 9
4.5.2 Overvoltage protection and supply line load  .......... 9
4.5.3 Three-phase devices ............................................. 9
4.5.4 Door limit switch  ................................................... 9
4.5.5 Notes on the flicker standard  ................................ 9
4.5.6 Potential equalisation  ............................................ 9

4.6

Making the electrical connection ................   10

4.6.1 Bus connection (only when interconnecting several 

units with a Comfort controller) ............................ 10

4.6.2 Connection X3 for serial interface  ........................ 10
4.6.3 Installing the power supply  .................................. 11

4.7

Finalising assembly ....................................   12

4.7.1 Installing the filter media  ...................................... 12
4.7.2 Fitting the cooling unit  ......................................... 12
4.7.3 Setting the filter mat monitor  ............................... 12

5

Start-up .......................................... 13

6

Operation ....................................... 13

6.1

Control using the e-Comfort controller .......   13

6.1.1 Properties ........................................................... 13
6.1.2 Eco mode  ........................................................... 13
6.1.3 Launching test mode  .......................................... 14
6.1.4 General information about programming  ............. 14

6.1.5 Editable parameters  ............................................  15
6.1.6 Programming overview  .......................................  16
6.1.7 Defining system messages for evaluation  ............ 17
6.1.8 Setting the master/slave identifier ........................ 18
6.1.9 Evaluating system messages  .............................. 18
6.1.10 Resetting the e-Comfort controller  ......................  20

7

Inspection and maintenance  ..........  20

7.1

Compressed air cleaning............................   20

8

Storage and disposal  .....................  22

9

Technical details  ............................  22

9.1

Technical specifications..............................   22

9.2

Performance diagrams ...............................   25

10

List of spare parts  ..........................  26

11

Appendix .......................................  28

11.1 Cut-out and hole sizes ...............................   28

11.1.1 Dimensions for assembly  .................................... 28

11.2 Electrical wiring plan...................................   29

Summary of Contents for Rittal 3273 Series

Page 1: ...Enclosure cooling unit Assembly and operating instructions 3359 xxx 3273 xxx 3382 xxx 3383 xxx 3384 xxx 3385 xxx 3386 xxx 3387 xxx...

Page 2: ...oad 9 4 5 3 Three phase devices 9 4 5 4 Door limit switch 9 4 5 5 Notes on the flicker standard 9 4 5 6 Potential equalisation 9 4 6 Making the electrical connection 10 4 6 1 Bus connection only when...

Page 3: ...ed by properly trained specialists Do not obstruct the air inlet and air outlet of the cooling unit inside and outside the enclosure see sec tion 4 2 2 Layout of the electronic components in the enclo...

Page 4: ...cooling circuit Fig 2 Cooling circuit In the evaporator coil 1 the liquid refrigerant is convert ed to a gaseous state The energy needed for this pur pose is taken from the enclosure air in the form...

Page 5: ...nser is covered with a dirt repelling easy to clean RiNano coating In many appli cations therefore the use of filter media is unnecessary particularly with dry dusts For dry coarse dust and lint in th...

Page 6: ...at least 200 mm The cooling unit must be installed and operated in a horizontal position maximum deviation 2 The site must be free from excessive dirt aggressive ambient conditions and moisture The a...

Page 7: ...ng frame onto the cut out roof plate Note When using an air duct system care must be taken to ensure that it is laid straight and without kinks wherever possible This mini mises the resistance to the...

Page 8: ...lock refer also to Accessories in the Rittal Catalogue 4 4 Connecting the condensate discharge A condensate discharge hose 1 2 may be fitted to the cooling unit The condensate discharge must be laid w...

Page 9: ...specified value This will achieve the best short circuit protection for cables and equip ment Example Specified setting range 6 3 10 A set to 6 3 A 4 5 3 Three phase devices The electrical connection...

Page 10: ...or remotely setting parameters and monitor ing or for integration into the facility management sys tem Fig 12 Connection example Master slave operation Key 1 Serial interface Model No 3124 200 2 Seria...

Page 11: ...ver see fig 29 on page 22 marked with an arrow If you would like the system messages from the cool ing unit to be evaluated via the system message relay you should also connect a suitable low voltage...

Page 12: ...heavy lint contamination lint screens should be used available as an optional extra Pull the louvred air inlet grille off the enclosure Secure the filter mat in front of the condenser using the suppl...

Page 13: ...temper ature and all error messages in the 7 segment display Using an interface card Model No 3124 200 the unit may be incorporated into higher level remote monitor ing systems The cooling unit opera...

Page 14: ...y In order to be able to change a value you must enter the authorisation code 22 Keep the programming button C held down until 22 appears Press button 2 Set to confirm the code You can now alter the p...

Page 15: ...Switch between C F 0 1 0 The temperature display can be switched be tween C 0 and F 1 The LED displays the current unit of temperature 5 H1 Setting for switch ing difference hys teresis 2 K 10 K 5 K...

Page 16: ...6 Operation EN 16 Rittal enclosure cooling unit 6 1 6 Programming overview Fig 19 Programming overview 5 sec 5 sec...

Page 17: ...supply is interrupted the corresponding relay will drop out and open the contact The RiDiag II software available as an accessory Model No 3159 100 allows you to invert the system message relay circu...

Page 18: ...onnection examples see section 4 6 1 Bus connection only when interconnecting several units with a Comfort controller For details of how to set the identifier see section 6 1 5 Editable parameters or...

Page 19: ...ry A10 Evaporator fan Blocked or defective Clear the blockage replace if necessary A11 Compressor Compressor overloaded internal winding protection No action required Unit switches on again independen...

Page 20: ...perating hours Depending on the level of contamination in the ambient air the maintenance interval may be reduced to suit the air pol lution intensity Sequence of maintenance measures Check the level...

Page 21: ...enance EN Fig 22 Release the louvred grille Fig 23 Remove the louvred grille Fig 24 Disconnect the connector from the display Fig 25 Disconnect the earthing cable Fig 26 Remove the assembly screws fro...

Page 22: ...The closed cooling cycle contains refrigerant and oil which must be properly disposed of for the protection of the environment Facilities for disposal are available at the Rittal plant Please contact...

Page 23: ...0 62 0 42 0 48 0 55 0 62 0 42 0 58 0 77 0 79 0 52 0 47 0 77 0 79 0 52 0 47 0 77 0 79 0 52 0 47 1 00 1 09 0 71 0 81 1 00 1 09 0 71 0 81 1 00 1 09 0 71 0 81 Sensible cooling output Ps to DIN EN 14511 L...

Page 24: ...50 kW kW 1 10 1 20 0 85 0 87 1 10 1 20 0 85 0 87 1 50 1 65 1 15 1 30 1 50 1 65 1 15 1 30 1 50 1 65 1 15 1 30 2 00 2 14 1 41 1 51 2 00 2 14 1 41 1 51 2 00 2 14 1 41 1 51 Sensible cooling output Ps to...

Page 25: ...circuit breaker or gG slow fuse T Total cooling output Pc to L 35 L 35 DIN EN 14511 L 35 L 50 kW kW 3 00 3 30 2 20 2 50 3 80 4 00 3 05 3 30 Sensible cooling output Ps to DIN EN 14511 L 35 L 35 kW 2 7...

Page 26: ...s Fig 33 Spare parts for 3359 xxx 3382 xxx Fig 34 Spare parts for 3273 xxx 3383 xxx 3384 xxx 3385 xxx 101 102 100 71 45 55 25 5 10 10 95 95 70 70 40 75 30 80 15 20 1 90 3359 xxx 3382 xxx 101 15 95 25...

Page 27: ...le 55 Display 71 Temperature sensor 75 Cover 80 Transformer 90 Evaporator coil 100 Condenser 101 Condensate evaporator 102 Miniature fuse condensate evaporator T4A 6 3 x 32 mm 40 25 5 90 55 95 75 30 7...

Page 28: ...ions for assembly Fig 36 3359 xxx 3382 xxx assembly Fig 37 3273 xxx 3383 xxx 3384 xxx 3385 xxx assembly Fig 38 3386 xxx 3387 xxx assemblyf 375 415 326 170 597 415 365 80 30 475 260 326 375 597 475 415...

Page 29: ...X2 X3 K2 K1 B5 B4 B3 2 2 2 NTCCwhite NTCA yellow Level green 1 2 MS1 Serial 3 8 2 L N A1 Kx 13 12 11 10 14 3359 5xx 6xx 3382 5xx 6xx PE PE PE 22 21 3383 5xx 6xx 3384 5xx 6xx 3385 5xx 6xx Power F3 Kx...

Page 30: ...contact F11 F12 Miniature fuses condensate evaporator K1 Relay collective fault 1 K2 Relay collective fault 2 M1 Compressor M2 Condenser fan M3 Condenser fan optional 3383 xxx to 3387 xxx M4 Evaporat...

Page 31: ......

Page 32: ...an find the contact details of all Rittal companies throughout the world here www rittal com contact RITTAL GmbH Co KG Postfach 1662 D 35726 Herborn Phone 49 0 2772 505 0 Fax 49 0 2772 505 2319 E mail...

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