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  5. Assembly And Operating Instructions Manual

Rittal SK 3302.3 series Assembly And Operating Instructions Manual

Manual is about: Cooling unit

Summary of SK 3302.3 series

  • Page 1

    Montage-, installations- und bedienungsanleitung assembly and operating instructions manuel d’installation et de maintenance montage- en bedieningshandleiding montage- och hanteringsanvisning istruzioni di montaggio e funzionamento instrucciones de montaje r schaltschrank- kühlgerät cooling unit cli...

  • Page 3

    Rittal cooling unit assembly and operating instructions 3 en contents 1 notes on documentation. . . . . . . . . . 4 1.1 associated documents . . . . . . . . . . . . . . . . . 4 1.2 ce labelling . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.3 retention of documents . . . . . . . . . . . . ....

  • Page 4: 1 Notes On Documentation

    4 rittal cooling unit assembly and operating instructions 1 notes on documentation en 1 notes on documentation these assembly instructions are aimed at tradesper- sons who are familiar with assembly and installation of the cooling unit, and at trained specialists who are familiar with operation of t...

  • Page 5: 3 Device Description

    3 device description rittal cooling unit assembly and operating instructions 5 en 3 device description depending on the model chosen, your cooling unit may vary in appearance from the illustrations con- tained in these instructions. However, the functions are identical in principle. Fig. 1: device d...

  • Page 6: 3 Device Description

    6 rittal cooling unit assembly and operating instructions 3 device description en 3.1.4 safety equipment – in the cooling cycle, the cooling unit has a tested pressure-operated switch to en 12 263 which is set to maximum ps (admissible pressure); this operates via an automatic reset device whenever ...

  • Page 7: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 7 en 3.1.8 additional interface x3 an additional interface card may be connected to the 9-pole sub-d connector x3 in order to incor- porate the cooling unit into higher-level monitoring systems (available as an accesso...

  • Page 8: 4 Assembly and Connection

    8 rittal cooling unit assembly and operating instructions 4 assembly and connection en 4.2.2 layout of the electronic components in the enclosure fig. 3: never direct the cold airflow at active components air diversion components are available as accesso- ries – please refer to the rittal catalogue ...

  • Page 9: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 9 en 4.3.1 cutting out the enclosure • stick the supplied drilling template onto the side panel or door of the enclosure using adhesive tape. There are dimensioning lines on the drilling template to suit the various in...

  • Page 10: 4 Assembly and Connection

    10 rittal cooling unit assembly and operating instructions 4 assembly and connection en • loosen the four nuts on the front enclosure half and pull the enclosure forwards by approx. 5 cm. • loosen the flat-pin connectors of the pe conductor between the two enclosure halves. • disconnect the fan conn...

  • Page 11: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 11 en 4.3.4 full internal mounting of the cooling unit • carefully remove the louvred grille and the infill panel from the enclosure by pulling forwards. • carefully disconnect the connector from the rear of the displa...

  • Page 12: 4 Assembly and Connection

    12 rittal cooling unit assembly and operating instructions 4 assembly and connection en 4.5 notes on electrical installation when performing the electrical installation, it is im- portant to observe all valid national and regional reg- ulations as well as the provisions of the responsible power supp...

  • Page 13: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 13 en 4.6 carrying out the electrical installation 4.6.1 bus connection (only in conjunction with several units with a comfort controller) when using several cooling units, the serial device interface x2 can be used to...

  • Page 14: 4 Assembly and Connection

    14 rittal cooling unit assembly and operating instructions 4 assembly and connection en fig. 19: connection example: master-slave operation legend 1 serial interface (model no. Sk 3124.200) 2 serial interface cable 3 master-slave bus cable (model no. Sk 3124.100) rtt rittal toptherm cooling units x1...

  • Page 15: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 15 en fig. 21: electrical wiring plan no. 1 fig. 22: electrical wiring plan no. 2 22 21 a1 m1 m2 x1 l1 l2 n pe 1 2 3 4 5 s1 mains l 1 2 3 1 2 3 2 1 n pe 5 power s1 kx m1 1 2 3 m2 1 2 3 m4 1 2 3 2 1 f2 ntc i red ntc e b...

  • Page 16: 4 Assembly and Connection

    16 rittal cooling unit assembly and operating instructions 4 assembly and connection en fig. 23: electrical wiring plan no. 3 fig. 24: electrical wiring plan no. 4 sk 3361.540/.640 l1 pe 1 2 3 4 5 l2 n s1 22 21 pe 5 x1 m1 1 2 3 1 2 3 l n power s1 1 2 3 1 2 kx ntc i red a2 1 f2 2 p 2 2 2 a1 m2 1 2 3 ...

  • Page 17: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 17 en fig. 25: electrical wiring plan no. 5 fig. 26: electrical wiring plan no. 6 2 3 4 5 m2 l1 l2 n pe 1 s1 pe 5 l 1 2 3 n power kx m1 1 2 3 m2 1 2 3 m4 1 3 ntc i red ntc e blue term l1 l2 r1 p m4 m 1~ m 1~ c p a f3 x...

  • Page 18: 4 Assembly and Connection

    18 rittal cooling unit assembly and operating instructions 4 assembly and connection en fig. 27: electrical wiring plan no. 7 fig. 28: electrical wiring plan no. 8 sk 3304.700, sk 3328.700 ntc i red ntc e blue term m1 1 2 3 m2 1 2 3 m4 1 2 3 c1.2 p r c a c1.1 m2 m4 m 1~ m 1~ pe mains 22 21 s1 l1 l2 ...

  • Page 19: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 19 en fig. 29: electrical wiring plan no. 9 fig. 30: electrical wiring plan no. 10 sk 3304.500/.600 m2 x1 l 1 2 3 1 2 3 2 1 n pe 5 power m1 1 2 3 m2 1 2 3 m4 1 2 3 2 1 serial b1 b2 p m4 m 1~ m 1~ m1 c4 6 3 f2 f2 b3 b4 ...

  • Page 20: 4 Assembly and Connection

    20 rittal cooling unit assembly and operating instructions 4 assembly and connection en fig. 31: electrical wiring plan no. 11 fig. 32: electrical wiring plan no. 12 sk 3304.540, sk 3304.542, sk 3305.540, sk 3305.542, sk 3328.540, sk 3329.540, sk 3304.640, sk 3305.640, sk 3328.640, sk 3329.640, sk 3...

  • Page 21: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 21 en fig. 33: electrical wiring plan no. 13 legend a1 power pcb a2 basic or comfort controller a3 starter relay and rc element b1 temperature sensor, internal temperature b2 icing hazard temperature sensor b3 temperat...

  • Page 22: 5 Commissioning

    22 rittal cooling unit assembly and operating instructions 5 commissioning en 4.7 finalising assembly 4.7.1 installing the filter media the cooling unit condenser is finished all over with a dirt-repelling, easy-to-clean rinano coating. In many cases, therefore, the use of filter media is unneces- s...

  • Page 23: 6 Operation

    6 operation rittal cooling unit assembly and operating instructions 23 en 6 operation you can operate the cooling unit using the controller on the front of the device (fig. 1, no. 11, page 5). Depending on the model, the unit is equipped with a basic or comfort controller. 6.1 control using the basi...

  • Page 24: 6 Operation

    24 rittal cooling unit assembly and operating instructions 6 operation en 6.1.2 operating and error display the basic controller monitors and controls the cool- ing unit. It indicates the operating and error status via the green and red leds (fig. 36, no. 3 and 4): tab. 3: operating and error displa...

  • Page 25: 6 Operation

    6 operation rittal cooling unit assembly and operating instructions 25 en the overtemperature message (red led illuminated) may also be polled via an integral floating contact on the connection clamp of the cooling unit (system message relay with changeover contact, see con- nection diagrams under “...

  • Page 26: 6 Operation

    26 rittal cooling unit assembly and operating instructions 6 operation en 6.2 control using the comfort controller for unit types sk xxxx.500/.510/.540 and sk xxxx.600/.610/.640. Fig. 38: comfort controller legend 1 programming button, also display of the set temperature unit (degrees celsius) 2 set...

  • Page 27: 6 Operation

    6 operation rittal cooling unit assembly and operating instructions 27 en in principle, the programming is identical for all editable parameters. To enter programming mode: • press button 2 (“set”) for approx. 5 sec. The controller is now in programming mode. While in programming mode, if you do not...

  • Page 28: 6 Operation

    28 rittal cooling unit assembly and operating instructions 6 operation en 6.2.5 programming overview fig. 39: programming overview = 5 sec. = 5 sec..

  • Page 29: 6 Operation

    6 operation rittal cooling unit assembly and operating instructions 29 en 6.2.6 defining system messages for evaluation system messages are shown on the display screen of the comfort controller via the displays a1 to a20 and e0. A more detailed explanation of the system messages may be found in sect...

  • Page 30: 6 Operation

    30 rittal cooling unit assembly and operating instructions 6 operation en 6.2.7 setting the master-slave identifier when several cooling units are connected together (maximum ten), one of the cooling units must be defined as the “master” and the others as “slaves”. For this purpose, assign a corresp...

  • Page 31: 6 Operation

    6 operation rittal cooling unit assembly and operating instructions 31 en tab. 6: troubleshooting with the comfort controller display screen system message possible cause measures to rectify the fault a01 enclosure door open door open or door limit switch incorrectly positioned close door, position ...

  • Page 32: 7 Inspection and Maintenance

    32 rittal cooling unit assembly and operating instructions 7 inspection and maintenance en 6.2.9 resetting the comfort controller after the occurrence of faults a03, a06 and a07, you will need to reset the comfort controller. • press buttons 1 ( ▲ ) and 3 ( ▼ ) (fig. 38) simul- taneously for 5 sec. ...

  • Page 33: 7 Inspection and Maintenance

    7 inspection and maintenance rittal cooling unit assembly and operating instructions 33 en fig. 43: remove the lower louvred grille fig. 44: remove the infill panel fig. 45: disconnect the connector from the display (1) fig. 46: disconnect the connector from the display (2).

  • Page 34: 7 Inspection and Maintenance

    34 rittal cooling unit assembly and operating instructions 7 inspection and maintenance en fig. 47: cooling unit without grille fig. 48: remove the external circuit fan (loosen the four screws) fig. 49: remove the fan fig. 50: disconnect the fan connectors fig. 51: remove the cover (loosen the four ...

  • Page 35: 7 Inspection and Maintenance

    7 inspection and maintenance rittal cooling unit assembly and operating instructions 35 en fig. 54: remove the cover (1) fig. 55: remove the cover (2) fig. 56: loosen the earthing cable between the cover and the chassis (1) fig. 57: loosen the earthing cable between the cover and the chassis (2) fig...

  • Page 36: 7 Inspection and Maintenance

    36 rittal cooling unit assembly and operating instructions 7 inspection and maintenance en fig. 59: clean out the heat exchanger coil and compressor chamber using compressed air (2) 7.1.2 compressed air cleaning sk 3328.Xxx, sk 3329.Xxx, sk 3332.Xxx fig. 60: disconnect the power cord fig. 61: remove...

  • Page 37: 7 Inspection and Maintenance

    7 inspection and maintenance rittal cooling unit assembly and operating instructions 37 en fig. 63: remove the upper louvred grille (3) fig. 64: remove the lower louvred grille (1) fig. 65: remove the lower louvred grille (2) fig. 66: remove the infill panel.

  • Page 38: 7 Inspection and Maintenance

    38 rittal cooling unit assembly and operating instructions 7 inspection and maintenance en fig. 67: disconnect the display cable fig. 68: push back the display cable and press it through the cable gland (1) fig. 69: push back the display cable and press it through the cable gland (2) fig. 70: loosen...

  • Page 39: 7 Inspection and Maintenance

    7 inspection and maintenance rittal cooling unit assembly and operating instructions 39 en fig. 75: disconnect the fan earthing cable (1) fig. 76: disconnect the fan earthing cable (2) fig. 77: loosen the four screws of the cover fig. 78: remove the cover fig. 79: disconnect the earthing cable (1).

  • Page 40: 7 Inspection and Maintenance

    40 rittal cooling unit assembly and operating instructions 7 inspection and maintenance en fig. 80: disconnect the earthing cable (2) fig. 81: clean out the heat exchanger coil and compressor chamber using compressed air (1) fig. 82: clean out the heat exchanger coil and compressor chamber using com...

  • Page 41: 8 Storage and Disposal

    8 storage and disposal rittal cooling unit assembly and operating instructions 41 en 8 storage and disposal during storage, the cooling unit must stand upright. The closed cooling circuit contains refrigerant and oil which must be properly disposed of for the sake of the environment. Disposal can be...

  • Page 42: 9 Technical Specifications

    42 rittal cooling unit assembly and operating instructions 9 technical specifications en unit model no. Sk basic controller, ral 7035 – 3302.100 3302.110 3302.300 3302.310 3303.100 3303.110 3304.100 3304.110 3304.70 0 comfort controller, ral 7035 – – – – – 3303.500 3303.510 3304.500 3304.510 3304.80...

  • Page 43: 9 Technical Specifications

    9 technical specifications rittal cooling unit assembly and operating instructions 43 en unit model no. Sk basic controller, ral 7035 – 3304.140 3304.142 3305.100 3305.110 3305.140 3305.142 3328.100 3328.110 3328.140 3329.100 3328.700 comfort controller, ral 7035 – 3304.540 3304.542 3305.500 3305.51...

  • Page 44: 9 Technical Specifications

    44 rittal cooling unit assembly and operating instructions 9 technical specifications en unit model no. Sk basic controller, ral 7035 – 3329.110 3329.140 3332.140 3361.100 3361.110 3361.140 comfort controller, ral 7035 – 3329.510 3329.540 3332.540 3361.500 3361.510 3361.540 basic controller, stainle...

  • Page 45: 10 List of Spare Parts

    10 list of spare parts rittal cooling unit assembly and operating instructions 45 en 10 list of spare parts fig. 85: spare parts for sk 3302.Xxx fig. 86: spare parts for sk 3302.3xx 75 40 71 45 25 1 55 100 15 5 90 71 10 sk 3302.Xxx sk 3302.3xx 40 100 90 10 15 5 1 55 45 25 20 71 71.

  • Page 46: 10 List of Spare Parts

    46 rittal cooling unit assembly and operating instructions 10 list of spare parts en fig. 87: spare parts for sk 3303.Xxx, sk 3361.Xxx fig. 88: spare parts for sk 3304.Xxx, sk 3305.Xxx 40 71 5 100 90 10 1 15 71 45 55 30 20 75 71 71 25 sk 3303.Xxx sk 3361.Xxx 20 71 100 90 25 45 50 10 40 71 45 55 5 15...

  • Page 47: 10 List of Spare Parts

    10 list of spare parts rittal cooling unit assembly and operating instructions 47 en fig. 89: spare parts for sk 3328.Xxx, sk 3329.Xxx fig. 90: spare parts for sk 3332.Xxx sk 3328.Xxx sk 3329.Xxx 90 71 10 40 50 45 20 46 46 45 100 55 5 15 71 1 75 71 71 80 30 101 102 sk 3332.Xxx 90 71 15 10 46 100 1 4...

  • Page 48: 10 List of Spare Parts

    48 rittal cooling unit assembly and operating instructions 10 list of spare parts en fig. 91: spare parts for sk 3366.Xxx, sk 3377.Xxx legend 1 compressor 5 condenser fan 10 evaporator fan 15 dispatch bag 20 expansion valve 25 filter dryer 30 psa h pressure-operated switch 40 controller board 45 lou...

  • Page 49

    11 appendix: cut-out and hole sizes rittal cooling unit assembly and operating instructions 49 en 11 appendix: cut-out and hole sizes 11.1 dimensions for external mounting fig. 92: sk 3302.Xxx external mounting (except sk 3302.3xx) fig. 93: sk 3302.3xx external mounting fig. 94: sk 3303.Xxx, sk 3361...

  • Page 50

    50 rittal cooling unit assembly and operating instructions 11 appendix: cut-out and hole sizes en fig. 98: sk 3332.Xxx external mounting 11.2 dimensions for partial internal mounting fig. 99: sk 3303.Xxx, sk 3361.Xxx partial internal mounting fig. 100: sk 3304.Xxx, sk 3305.Xxx partial internal mount...

  • Page 51

    11 appendix: cut-out and hole sizes rittal cooling unit assembly and operating instructions 51 en 11.3 dimensions for full internal mounting fig. 103: sk 3302.1xx full internal mounting fig. 104: sk 3302.3xx full internal mounting fig. 105: sk 3303.Xxx, sk 3361.Xxx full internal mounting fig. 106: s...

  • Page 52

    R rittal gmbh & co. Kg · postfach 1662 · d-35726 herborn telephone: +49(0)2772 505-0 · telefax: +49(0)2772 505-2319 · email: info@rittal.De · www.Rittal.Com 3rd edition 12/09 (04/07) 318 635 power distribution stromverteilung distribution de courant stroomverdeling strömfördelning distribuzione di c...