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  4. SK 3302.100
  5. Assembly And Operating Instructions Manual

Rittal SK 3302.100 Assembly And Operating Instructions Manual

Manual is about: Cooling unit

Summary of SK 3302.100

  • Page 1

    Schaltschrank-kühlgerät cooling unit climatiseur koelaggregat kylaggregat condizionatori per armadi di comando refrigerador para armarios sk 3302.Xxx sk 3302.3xx sk 3303.Xxx sk 3304.Xxx sk 3305.Xxx sk 3328.Xxx sk 3329.Xxx sk 3332.Xxx sk 3361.Xxx sk 3366.Xxx montage-, installations- und bedienungsanl...

  • Page 2

    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. . . . . . . . . . . . . . . 4...

  • Page 3: 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 4: 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 5: 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 6: 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 7: 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 8: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 9 en 4.3.1 cutting out on 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...

  • Page 9: 4 Assembly and Connection

    10 rittal cooling unit assembly and operating instructions 4 assembly and connection en fig. 10: remove the cover • remove the four spacer bolts. • cut the supplied sealing tape to the correct length and stick it carefully along the inside of the rear enclosure half so that no gaps are left at the c...

  • Page 10: 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 11: 4 Assembly and Connection

    12 rittal cooling unit assembly and operating instructions 4 assembly and connection en 4.4 connecting the condensate discharge unit types sk 3302.Xxx, sk 3303.Xxx and sk 3361.Xxx support the installation of a condensate discharge hose (Ø 1 / 2 ˝). The condensate discharge – must be laid with a suit...

  • Page 12: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 13 en 4.5.4 door limit switch – each door limit switch must only be assigned to one cooling unit. – several door limit switches may be connected in parallel and operated on one cooling unit. – the minimum cross-section...

  • Page 13: 4 Assembly and Connection

    14 rittal cooling unit assembly and operating instructions 4 assembly and connection en fig. 20: 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 14: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 15 en fig. 22: electrical wiring plan no. 1 fig. 23: 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 15: 4 Assembly and Connection

    16 rittal cooling unit assembly and operating instructions 4 assembly and connection en fig. 24: electrical wiring plan no. 3 fig. 25: 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 16: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 17 en fig. 26: electrical wiring plan no. 5 fig. 27: electrical wiring plan no. 6 22 21 m2 x1 l 1 2 3 1 2 3 2 1 n pe 1 2 f10 f11 e1 3 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~ r 6 3 f2 f2 b3 b4...

  • Page 17: 4 Assembly and Connection

    18 rittal cooling unit assembly and operating instructions 4 assembly and connection en fig. 28: electrical wiring plan no. 7 fig. 29: electrical wiring plan no. 8 sk 3366.500/.510/.600/.610 22 21 m2 x1 l 1 2 3 1 2 3 2 1 n pe 1 2 f10 f11 e1 3 5 power m1 3 2 1 m2 1 2 3 m4 1 2 3 2 1 serial b1 b2 p m4 ...

  • Page 18: 4 Assembly and Connection

    4 assembly and connection rittal cooling unit assembly and operating instructions 19 en legend a1 power pcb a2 display terminal a3 starter relay and rc element b1 temperature sensor, internal temperature b2 icing hazard temperature sensor b3 condenser temperature sensor b4 ambient temperature sensor...

  • Page 19: 5 Commissioning

    20 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 20: 6 Operation

    6 operation rittal cooling unit assembly and operating instructions 21 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 an e-comfort controller. 6.1 control using the...

  • Page 21: 6 Operation

    22 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. 32, no. 3 and 4): tab. 3: operating and error displa...

  • Page 22: 6 Operation

    6 operation rittal cooling unit assembly and operating instructions 23 en 6.1.3 test mode for the basic controller the basic controller is equipped with a test function whereby the cooling unit commences cooling ope- ration independently of the set temperature or door limit switch function. First yo...

  • Page 23: 6 Operation

    24 rittal cooling unit assembly and operating instructions 6 operation en – protective function to prevent icing – monitoring of all motors (compressor, condenser fan, evaporator fan) – phase monitoring for three-phase units – master-slave function with a maximum of ten units. One device functions a...

  • Page 24: 6 Operation

    6 operation rittal cooling unit assembly and operating instructions 25 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 25: 6 Operation

    26 rittal cooling unit assembly and operating instructions 6 operation en 6.2.6 programming overview fig. 36: programming overview = 5 sec. = 5 sec..

  • Page 26: 6 Operation

    6 operation rittal cooling unit assembly and operating instructions 27 en 6.2.7 defining system messages for evaluation system messages are shown on the display screen of the e-comfort controller via the displays a1 to a20 and e0. A more detailed explanation of the system messages may be found in se...

  • Page 27: 6 Operation

    28 rittal cooling unit assembly and operating instructions 6 operation en 6.2.8 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 28: 6 Operation

    6 operation rittal cooling unit assembly and operating instructions 29 en tab. 6: troubleshooting with the e-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, positio...

  • Page 29: 7 Inspection and Maintenance

    30 rittal cooling unit assembly and operating instructions 7 inspection and maintenance en 6.2.10 resetting the e-comfort controller after the occurrence of faults a03, a06 and a07, you will need to reset the e-comfort controller. • press buttons 1 ( ▲ )and 3 ( ▼ ) (fig. 34) simul- taneously for 5 s...

  • Page 30: 7 Inspection and Maintenance

    7 inspection and maintenance rittal cooling unit assembly and operating instructions 31 en fig. 40: remove the lower louvred grille fig. 41: remove the infill panel fig. 42: disconnect the connector from the display (1) fig. 43: disconnect the connector from the display (2).

  • Page 31: 7 Inspection and Maintenance

    32 rittal cooling unit assembly and operating instructions 7 inspection and maintenance en fig. 44: cooling unit without grille fig. 45: remove the external circuit fan (loosen the four screws) fig. 46: remove the fan fig. 47: disconnect the fan connectors fig. 48: dismantle cover (loosen 4 nuts) fi...

  • Page 32: 7 Inspection and Maintenance

    7 inspection and maintenance rittal cooling unit assembly and operating instructions 33 en fig. 51: remove the cover (1) fig. 52: remove the cover (2) fig. 53: loosen the earthing cable between the cover and the chassis (1) fig. 54: loosen the earthing cable between the cover and the chassis (2) fig...

  • Page 33: 7 Inspection and Maintenance

    34 rittal cooling unit assembly and operating instructions 7 inspection and maintenance en fig. 56: 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. 57: disconnect the power cord fig. 58: remove...

  • Page 34: 7 Inspection and Maintenance

    7 inspection and maintenance rittal cooling unit assembly and operating instructions 35 en fig. 60: remove the upper louvred grille (3) fig. 61: remove the lower louvred grille (1) fig. 62: remove the lower louvred grille (2) fig. 63: remove the infill panel.

  • Page 35: 7 Inspection and Maintenance

    36 rittal cooling unit assembly and operating instructions 7 inspection and maintenance en fig. 64: disconnect the display cable fig. 65: push back the display cable and press it through the cable gland (1) fig. 66: push back the display cable and press it through the cable gland (2) fig. 67: loosen...

  • Page 36: 7 Inspection and Maintenance

    7 inspection and maintenance rittal cooling unit assembly and operating instructions 37 en fig. 72: disconnect the fan earthing cable (1) fig. 73: disconnect the fan earthing cable (2) fig. 74: loosen the four nuts of the cover fig. 75: remove the cover fig. 76: disconnect the earthing cable (1).

  • Page 37: 7 Inspection and Maintenance

    38 rittal cooling unit assembly and operating instructions 7 inspection and maintenance en fig. 77: disconnect the earthing cable (2) fig. 78: clean out the heat exchanger coil and compressor chamber using compressed air (1) fig. 79: clean out the heat exchanger coil and compressor chamber using com...

  • Page 38: 8 Storage and Disposal

    8 storage and disposal rittal cooling unit assembly and operating instructions 39 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 39: 9 Technical Specifications

    40 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 – – – – basic controller, stainless steel – 3302.200 3302.210 – – – – – – e-comfort controller, ral 7035 – – – – – 3303.500 3303...

  • Page 40: 9 Technical Specifications

    9 technical specifications rittal cooling unit assembly and operating instructions 41 en unit model no. Sk e-comfort controller, ral 7035 – 3304.540 3305.500 3305.510 3305.540 3328.500 3328.510 3328.540 3329.500 e-comfort controller, nema 4x – 3304.544 3305.504 3305.514 3305.544 3328.504 3328.514 33...

  • Page 41: 9 Technical Specifications

    42 rittal cooling unit assembly and operating instructions 9 technical specifications en unit model no. Sk e-comfort controller, ral 7035 – 3329.510 3329.540 3332.540 3361.500 3361.510 3361.540 e-comfort controller, nema 4x – 3329.514 3329.544 – – – – e-comfort controller, stainless steel cover – 33...

  • Page 42: 10 List of Spare Parts

    10 list of spare parts rittal cooling unit assembly and operating instructions 43 en 10 list of spare parts fig. 82: spare parts for sk 3302.Xxx fig. 83: 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 43: 10 List of Spare Parts

    44 rittal cooling unit assembly and operating instructions 10 list of spare parts en fig. 84: spare parts for sk 3303.Xxx, sk 3361.Xxx fig. 85: 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 44: 10 List of Spare Parts

    10 list of spare parts rittal cooling unit assembly and operating instructions 45 en fig. 86: spare parts for sk 3328.Xxx, sk 3329.Xxx fig. 87: 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 45: 10 List of Spare Parts

    46 rittal cooling unit assembly and operating instructions 10 list of spare parts en fig. 88: 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 46

    11 appendix: cut-out and hole sizes rittal cooling unit assembly and operating instructions 47 en 11 appendix: cut-out and hole sizes 11.1 dimensions for external mounting fig. 89: sk 3302.Xxx external mounting (except sk 3302.3xx) fig. 90: sk 3302.3xx external mounting fig. 91: sk 3303.Xxx, sk 3361...

  • Page 47

    48 rittal cooling unit assembly and operating instructions 11 appendix: cut-out and hole sizes en fig. 95: sk 3332.Xxx external mounting 11.2 dimensions for partial internal mounting fig. 96: sk 3303.Xxx, sk 3361.Xxx partial internal mounting fig. 97: sk 3304.Xxx, sk 3305.Xxx partial internal mounti...

  • Page 48

    11 appendix: cut-out and hole sizes rittal cooling unit assembly and operating instructions 49 en 11.3 dimensions for full internal mounting fig. 100: sk 3302.1xx full internal mounting fig. 101: sk 3302.3xx full internal mounting fig. 102: sk 3303.Xxx, sk 3361.Xxx full internal mounting fig. 103: s...

  • Page 49

    1st edition 07.2011 / id no. 328 124 / drawin g no. A449 1200sk23 䡲 enclosures 䡲 power distribution 䡲 climate control 䡲 it infrastructure 䡲 software & services rittal gmbh & co. Kg postfach 1662 䡠 d-35726 herborn phone +49(0)2772 505-0 䡠 fax +49(0)2772 505-2319 e-mail: info@rittal.De 䡠 www.Rittal.Co...