Rittal SK 3302.series Assembly And Operating Instructions Manual
Cooling unit
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Also See for SK 3302.series:
- Assembly and operating instructions manual (51 pages) ,
- Assembly and operating instructions manual (104 pages)
Table of Contents
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Schaltschrank-
Kühlgerät
Cooling unit
Climatiseur
Koelaggregaat
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
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
SK 3332.xxx
SK 3361.xxx
SK 3366.xxx
SK 3377.xxx
R
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Summary of Contents for Rittal SK 3302.series
- Page 1 Schaltschrank- Kühlgerät Cooling unit Climatiseur Koelaggregaat SK 3302.xxx SK 3332.xxx Kylaggregat SK 3302.3xx SK 3361.xxx Condizionatori per SK 3303.xxx SK 3366.xxx armadi di comando SK 3304.xxx SK 3377.xxx Refrigerador SK 3305.xxx para armarios SK 3328.xxx SK 3329.xxx Montage-, Installations- und Bedienungsanleitung Assembly and operating instructions Manuel d’installation et de maintenance Montage- en bedieningshandleiding...
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Page 3: Table Of Contents
4.7.2 Fitting the cooling unit....22 4.7.3 Setting the filter mat monitor (only with Comfort controller) ... . 22 RITTAL cooling unit assembly and operating instructions... -
Page 4: Notes On Documentation
(refer enclosed with the unit in the form of a PDF file to the accessories in the RITTAL Catalogue). (Adobe Acrobat) on CD-ROM This raises the door slightly and balances out the... -
Page 5: Device Description
Rear half of the enclosure Louvred grille for air outlet 3.1.2 Control Display RITTAL enclosure cooling units are fitted with a con- Infill panel troller for setting the functions of the cooling unit. Louvred grille for air inlet Depending on the design, this is either a Basic con-... -
Page 6: Safety Equipment
(see “4.4 Connect- ing the condensate drain”, page 11). External con- densate evaporators are available as accessories for these unit types (refer also to the accessories in the RITTAL Catalogue). RITTAL cooling unit assembly and operating instructions... -
Page 7: Additional Interface X3
3.2 Proper usage – The site must be free from excessive dirt and moisture. RITTAL enclosure cooling units were developed and – The ambient temperature must not exceed 55°C. designed in accordance with the state-of-the-art and the recognised rules governing technical safety. -
Page 8: Layout Of The Electronic Components In The Enclosure
Installation method Air diversion components are available as accesso- To this end, cut the side panel or door of the enclo- ries – please refer to the RITTAL catalogue “System sure as per the drilling template included with the climate control”. -
Page 9: Cutting Out The Enclosure
• Secure the unit using the supplied washers and cable gland. nuts. Fig. 7: Secure the cooling unit (all models except SK 3302.1xx) Fig. 10: Remove the louvred grille & disconnect the display RITTAL cooling unit assembly and operating instructions... - Page 10 • Push the rear enclosure half into the mounting cut- out and secure it with the four spacer bolts. • Push the display cable through the cable gland of the front enclosure half. RITTAL cooling unit assembly and operating instructions...
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Page 11: Full Internal Mounting Of The Cooling Unit
– must be laid without kinks – must not have a reduced cross-section if extended. The condensate hose is available as an accessory (refer also to Accessories in the RITTAL Catalogue). Fig. 16: Attach the sealing tape • Loosen the four nuts and washers from the front enclosure half. -
Page 12: Notes On Electrical Installation
4.5.6 Potential equalisation equipped with a transformer. RITTAL recommends connecting a conductor with a – Install the slow pre-fuse specified on the rating nominal cross-section of at least 6 mm to the poten- plate (miniature circuit-breaker with “K”... -
Page 13: Carrying Out The Electrical Installation
– Make sure that the lines are short. Caution! Regarding the last slave unit in the group, do not, under any circumstances, connect the remaining socket of the Y cable SK 3124.100 into interface X3 of the cooling unit! RITTAL cooling unit assembly and operating instructions... -
Page 14: Installing The Power Supply
• If you would like the system messages from the cooling unit to be evaluated via the system message relay, you should also connect a suitable low-voltage cable to connection clamps 3 – 5. RITTAL cooling unit assembly and operating instructions... - Page 15 NTC I red Serial NTC E blue Power NTC C white NTC A yellow Level green Term 1 2 3 1 2 3 1 2 3 Fig. 22: Electrical wiring plan no. 2 RITTAL cooling unit assembly and operating instructions...
- Page 16 Fig. 23: Electrical wiring plan no. 3 SK 3304.100/.200 Mains 1 2 3 NTC I red NTC E blue Power Term 1 2 3 1 2 3 Fig. 24: Electrical wiring plan no. 4 RITTAL cooling unit assembly and operating instructions...
- Page 17 F11 F12 NTC I red NTC E blue Power Term 1 2 3 4 1 2 3 4 1 2 3 2 3 4 1 2 Fig. 26: Electrical wiring plan no. 6 RITTAL cooling unit assembly and operating instructions...
- Page 18 NTC I red Power NTC E blue NTC C white NTC A yellow Level green Term 1 2 3 1 2 3 1 2 3 C1.2 C1.1 Fig. 28: Electrical wiring plan no. 8 RITTAL cooling unit assembly and operating instructions...
- Page 19 NTC I red Serial NTC E blue Power NTC C white NTC A yellow Level green Term 1 2 3 1 2 3 1 2 3 Fig. 30: Electrical wiring plan no. 10 RITTAL cooling unit assembly and operating instructions...
- Page 20 Mains F11 F12 NTC I red Term NTC E blue Power 1 2 3 4 1 2 3 4 1 2 3 1 2 3 4 Fig. 32: Electrical wiring plan no. 12 RITTAL cooling unit assembly and operating instructions...
- Page 21 LED alarm red Compressor Condenser fan Evaporator fan Potentiometer for setting the temperature Door limit switch (without door limit switch: terminal 1, 2 open) Transformer (optional) Main terminal strip Master-slave connection Optional interface RITTAL cooling unit assembly and operating instructions...
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Page 22: Finalising Assembly
You can now make your individual settings on the unit, e.g. set the temperature or (with Comfort con- troller only) assign the network identifier, etc. (refer to the “Operation” chapter). Fig. 35: Connect the display and attach the louvred grille RITTAL cooling unit assembly and operating instructions... -
Page 23: Operation
Temperature setting Basic controller ensures automatic normal shut- LED green (“line”) down operation of the cooling unit by the value of the LED red (“alarm”) fixed preset switching difference of 5 K. Reset button RITTAL cooling unit assembly and operating instructions... -
Page 24: Operating And Error Display
Tab. 3: Operating and error display of the Basic controller Key to flash intervals = 500 ms (red LED on) = 500 ms (red LED off) ***** = 3 s pause (red LED off) RITTAL cooling unit assembly and operating instructions... -
Page 25: Test Mode For The Basic Controller
You can now start test mode. • Rotate the potentiometer to the left-hand stop, then hold the rubberised potentiometer display down while you re-connect the mains voltage. RITTAL cooling unit assembly and operating instructions... -
Page 26: Control Using The Comfort Controller
In order to save energy, and due to the the unit may be incorporated into higher-level risk of increased condensation, do not set remote monitoring systems such as the RITTAL the temperature lower than that actually Computer Multi Control CMC. -
Page 27: Editable Parameters
5 K, then error message A2 (enclosure internal temperature too high) appears on the display terminal. If necessary, the differential may be altered here within the range of 3 – 15 K. Tab. 4: Editable parameters RITTAL cooling unit assembly and operating instructions... -
Page 28: Programming Overview
6 Operation 6.2.5 Programming overview Fig. 39: Programming overview RITTAL cooling unit assembly and operating instructions... -
Page 29: Defining System Messages For Evaluation
– Terminal 5: NO (normally open, relay 1) The definition NO refers to the de-energised state. As soon as power is applied to the cooling unit, both system message relays (relay 1 and 2) energise. RITTAL cooling unit assembly and operating instructions... -
Page 30: Setting The Master-Slave Identifier
Comfort controller (see “6.2.9 Re- 07: Master with 7 slave cooling units setting the Comfort controller”, page 32). 08: Master with 8 slave cooling units 09: Master with 9 slave cooling units RITTAL cooling unit assembly and operating instructions... - Page 31 Ambient parameters or heat loss outside of the applicable limits Low heat Minimal heat loss inside the enclosure Reset Manual device reset required, see “6.2.9 Resetting the Comfort controller”, page 32. Tab. 6: Troubleshooting with the Comfort controller RITTAL cooling unit assembly and operating instructions...
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Page 32: Resetting The Comfort Controller
– Check the level of dirt. – Filter soiling? Replace the filter if necessary. – Cooling membranes soiled? Clean if necessary. – Activate test mode; cooling function OK? – Check noise generation of compressor and fans. RITTAL cooling unit assembly and operating instructions... - Page 33 7 Inspection and maintenance Fig. 43: Remove the lower louvred grille Fig. 45: Disconnect the connector from the display (1) Fig. 46: Disconnect the connector from the display (2) Fig. 44: Remove the infill panel RITTAL cooling unit assembly and operating instructions...
- Page 34 Fig. 52: Push back the display cable Fig. 48: Remove the external circuit fan (loosen the four screws) Fig. 53: Push the display cable through the cable gland Fig. 49: Remove the fan RITTAL cooling unit assembly and operating instructions...
- Page 35 Fig. 57: Loosen the earthing cable between the cover and the chassis (2) Fig. 55: Remove the cover (2) Fig. 58: Clean out the heat exchanger coil and compressor chamber using compressed air (1) RITTAL cooling unit assembly and operating instructions...
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Page 36: Compressed Air Cleaning
Remove the upper louvred grille (1) 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. 62: Remove the upper louvred grille (2) RITTAL cooling unit assembly and operating instructions... - Page 37 7 Inspection and maintenance Fig. 63: Remove the upper louvred grille (3) Fig. 65: Remove the lower louvred grille (2) Fig. 64: Remove the lower louvred grille (1) Fig. 66: Remove the infill panel RITTAL cooling unit assembly and operating instructions...
- Page 38 Push back the display cable and press it through Fig. 73: Disconnect the fan connectors (2) the cable gland (2) Fig. 70: Loosen the four screws of the external circuit fan Fig. 74: Disconnect the fan connectors (3) RITTAL cooling unit assembly and operating instructions...
- Page 39 Disconnect the fan earthing cable (1) Fig. 76: Disconnect the fan earthing cable (2) Fig. 78: Remove the cover Fig. 77: Loosen the four screws of the cover Fig. 79: Disconnect the earthing cable (1) RITTAL cooling unit assembly and operating instructions...
- Page 40 (2) Fig. 81: Clean out the heat exchanger coil and compressor Fig. 83: Clean out the heat exchanger coil and compressor chamber using compressed air (1) chamber using compressed air (3) RITTAL cooling unit assembly and operating instructions...
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Page 41: Storage And Disposal
Please contact us for advice. Fig. 84: Rating plate (technical specifications) – Observe the mains connection data (voltage and frequency) as per the rating plate. – Observe the pre-fuse as per the specifications on the rating plate. RITTAL cooling unit assembly and operating instructions... - Page 42 IP 34 280 x 550 x Dimensions (W x H x D) 280 x 550 x 140 525 x 340 x 153 400 x 950 x 260 Weight Basic controller +30°C to +55°C RITTAL cooling unit assembly and operating instructions...
- Page 43 – Internal circuit – IP 54 – External circuit – IP 34 Dimensions (W x H x D) 400 x 950 x 260 400 x 1580 x 290 Weight Basic controller +30°C to +55°C RITTAL cooling unit assembly and operating instructions...
- Page 44 – Internal circuit – IP 54 – External circuit – IP 34 Dimensions (W x H x D) 450 x 1590 x 195 450 x 1590 x 165 Weight Basic controller +30°C to +55°C RITTAL cooling unit assembly and operating instructions...
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Page 45: List Of Spare Parts
10 List of spare parts 10 List of spare parts SK 3302.xxx Fig. 85: Spare parts for SK 3302.xxx SK 3302.3xx Fig. 86: Spare parts for SK 3302.3xx RITTAL cooling unit assembly and operating instructions... - Page 46 10 List of spare parts SK 3303.xxx SK 3361.xxx Fig. 87: Spare parts for SK 3303.xxx, SK 3361.xxx SK 3304.xxx SK 3305.xxx Fig. 88: Spare parts for SK 3304.xxx, SK 3305.xxx RITTAL cooling unit assembly and operating instructions...
- Page 47 10 List of spare parts SK 3328.xxx SK 3329.xxx Fig. 89: Spare parts for SK 3328.xxx, SK 3329.xxx SK 3332.xxx Fig. 90: Spare parts for SK 3332.xxx RITTAL cooling unit assembly and operating instructions...
- Page 48 Louvred grille 1 on the rating plate. Louvred grille 2 Infill panel Display Temperature sensor Enclosure tray Transformer Evaporator coil 100 Condenser 101 Condensate evaporator 102 Miniature fuse, condensate evaporator (T4A; 6.3 x 32 mm) RITTAL cooling unit assembly and operating instructions...
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Page 49: Appendix: Cut-Out And Hole Sizes
SK 3304.xxx, SK 3305.xxx external mounting Fig. 93: SK 3302.3xx external mounting Ø 13 (10x) Ø 8 (4x) Fig. 94: SK 3303.xxx, SK 3361.xxx external mounting Fig. 97: SK 3328.xxx, SK 3329.xxx external mounting RITTAL cooling unit assembly and operating instructions... -
Page 50: Dimensions For Partial Internal Mounting
Fig. 99: SK 3303.xxx, SK 3361.xxx partial internal mounting Ø 13 (4x) Fig. 102: SK 3332.xxx partial internal mounting 25 x 45 Ø 9.5 (4x) Fig. 100: SK 3304.xxx, SK 3305.xxx partial internal mounting RITTAL cooling unit assembly and operating instructions... -
Page 51: Dimensions For Full Internal Mounting
Fig. 107: SK 3328.xxx, SK 3329.xxx full internal mounting Ø 8 (4x) 18 x 45° (230) Fig. 105: SK 3303.xxx, SK 3361.xxx full internal mounting Fig. 108: SK 3366.xxx, SK 3377.xxx full internal mounting RITTAL cooling unit assembly and operating instructions... - Page 52 Soluzioni per IT Soluciones TI Communication Systems Communication Systems Armoires outdoor Outdoor-behuizingen Communication Systems Soluzioni outdoor Sistemas de comunicación 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 ·...
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Questions and answers
A02 Alaram then rebooting
The A02 alarm indicates a "Connection problem between display and controller board" on the Rittal SK 3302 series. To resolve it:
1. Switch off the power supply.
2. Wait approximately 2 seconds.
3. Switch the power supply on again.
4. Check for a defective or loose cable connection.
5. If the problem persists, exchange the boards.
This answer is automatically generated
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