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  5. Assembly And Operating Manual

Rittal 3311.490 Assembly And Operating Manual

Summary of 3311.490

  • Page 1

    Lcu dx assembly and operating instructions 3311.490 3311.491 3311.492 3311.493.

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    Foreword en 2 rittal lcu dx foreword dear customer, thank you for choosing a rittal liquid cooling unit dx (also referred to hereafter as "lcu dx"). This documentation applies to the following devices in the lcu dx series (dx = direct expansion): – lcu dx 3 kw single – lcu dx 3 kw redundant – lcu dx...

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    Rittal lcu dx 3 contents en contents 1 notes on documentation .................. 4 1.1 ce label ........................................................ 4 1.2 information on electromagnetic compatibility . 4 1.3 storing the documents .................................. 4 1.4 symbols in these operatin...

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    1 notes on documentation en 4 rittal lcu dx 1 notes on documentation 1.1 ce label the declaration of conformity has been issued by the company hannich gmbh and is included with the sup- ply of the lcu dx. The cooling unit bears the following mark: 1.2 information on electromagnetic com- patibility t...

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    Rittal lcu dx 5 2 safety instructions en 2 safety instructions the devices in the lcu dx series from rittal gmbh & co. Kg are developed and manufactured with due re- gard for all safety precautions. Nevertheless, the unit still poses a number of unavoidable dangers and residual risks. These safety i...

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    2 safety instructions en 6 rittal lcu dx as a general requirement, please observe the following five safety rules to din en 50110-1 (vde 0105-1) when working in and on the lcu dx, in order to avoid acci- dents: 1. Switch off! Switch off the on-site power supply to the lcu dx. 2. Secure against react...

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    Rittal lcu dx 7 2 safety instructions en 3. Outcome of any analysis of reused refrigerant, if available 4. Origin of reused refrigerant 5. Amendments to and replacement of system com- ponents 6. Results of all regular routine checks and 7. Any significant shutdowns 2.3.3 f-gas regulation regulation ...

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    3 device description en 8 rittal lcu dx 3 device description 3.1 general functional description the liquid cooling unit dx (dx = direct expansion) is essentially a split cooling unit used to dissipate heat losses from server enclosures or for the effective cooling of devices built into a server encl...

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    Rittal lcu dx 9 3 device description en on fixing brackets on the rear wall of the evaporator coil. The evaporator coil has two condensate collecting trays to enable installation on the left or right of the enclosure. The bottom condensate discharge in each case remains unused. The internal unit is ...

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    3 device description en 10 rittal lcu dx 3.5 scope of supply for the lcu dx the supply of an lcu dx in the "single" variant includes the following: the supply of an lcu dx in the "redundant" variant in- cludes the following: qty. Parts 1 lcu dx , ready to connect, consisting of: 1 internal unit 1 re...

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    Rittal lcu dx 11 4 transport and handling en 4 transport and handling 4.1 transport the lcu dx is delivered shrink-wrapped on a pallet. 4.2 unpacking remove the packaging materials from the unit. Check the unit for any damage that may have oc- curred during transport. Place the unit in its intended ...

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    5 assembly and siting en 12 rittal lcu dx 5 assembly and siting 5.1 general 5.1.1 siting location requirements to ensure proper functioning of the lcu dx, the follow- ing conditions for the siting location of the device must be observed. Climatic conditions when choosing a siting location for the in...

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    Rittal lcu dx 13 5 assembly and siting en fig. 2: move the 482.6 mm (19") level sideways ensure that the front distance from the 482.6 mm (19") mounting angle to the front edge of the ts frame is at least 100 mm. Fig. 3: move the 482.6 mm (19") level in the depth position the punched section with mo...

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    5 assembly and siting en 14 rittal lcu dx for the "redundant" version, fit the second external temperature sensor included with the supply, likewise in a suitable position in front of the server installations. 5.2.4 mounting the external unit the external unit may be secured to a solid wall or onto ...

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    Rittal lcu dx 15 5 assembly and siting en fig. 8: top view of attachment points key 1 for 3 kw unit: 550 mm for 6.5 kw unit: 560 mm 2 distance 1000 mm 3 for 3 kw unit: 325 mm for 6.5 kw unit: 335 mm 4 12 x 20 mm elliptical drilled holes 1 1 2 3 4.

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    6 installation en 16 rittal lcu dx 6 installation 6.1 general information the internal unit and the external unit must be connect- ed with suitable copper pipework. With the ts it server enclosure, this pipework can either be inserted into the enclosure from above or from below. When using in a micr...

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    Rittal lcu dx 17 6 installation en 7. For intake gas lines laid vertically with the direction of flow pointing upwards (external unit is above the in- ternal unit), an oil elevation arc should be provided at least every 3 m of line length. The pre-insulated pairs of lines may be laid with no distanc...

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    6 installation en 18 rittal lcu dx connections must be checked with a detector or using a technique with a detection sensitivity as described in en 1779 with a bubble test (application of liquid) if the test pressure is 1 x ps. The manufacturer must verify that the test method used complies with the...

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    Rittal lcu dx 19 6 installation en 6.4.2 connecting the external unit power is supplied to the external unit via a 3-wire con- nection cable (230–240 v, 1~, n, pe). As external units are generally sited outdoors, a uv-resistant cable should be used. Strip approximately 45 mm from the rubber sheathin...

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    6 installation en 20 rittal lcu dx 4. Check the refrigerant pipelines. 5. Inspect the report on the cooling system leak test. 6. Visually inspect the cooling system. 7. Check the labels. This inspection must be documented; see en 378-2, section 6.4.3. No cooling system may be operated with- out the ...

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    Rittal lcu dx 21 6 installation en fig. 13: partitioning with foamed plastic pieces on the side of the lcu internal unit key 1 partitioning above 2 partitioning inside 3 partitioning below 3 1 2.

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    7 operation en 22 rittal lcu dx 7 operation this section describes operation of the lcu dx using the control and display devices. 7.1 control and display devices control and display device 1 is located in the 3 u trim panel on the maintenance side of the rack. In the "single" version, there is one s...

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    Rittal lcu dx 23 7 operation en first set the required setpoint temperature on control and display device 1. For the "redundant" version, also set the same set- point temperature on control and display device 2. On control and display device 2, keep the set button held down for 3 seconds. Your setti...

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    8 troubleshooting en 24 rittal lcu dx 8 troubleshooting 8.1 general if there is a malfunction or alarm on the device, a corre- sponding error message will be displayed on control and display device 3. In the event of a serious malfunction, the red led will be illuminated and the alarm relay will swi...

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    Rittal lcu dx 25 9 inspection and maintenance en 9 inspection and maintenance the following maintenance work should be carried out on the lcu dx: – the condensate discharge device should be checked regularly for correct functioning. – regularly check the refrigerant circuit and all main components f...

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    10 storage and disposal en 26 rittal lcu dx 10 storage and disposal during storage, both the internal as well as the external unit must stand upright. Disposal can be performed at the rittal plant. Please contact us for advice. Caution! Risk of damage! The lcu dx must not be subjected to temperature...

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    Rittal lcu dx 27 11 technical specifications en 11 technical specifications 11.1 lcu dx 3 kw technical specifications internal unit external unit description/model no. 3311490: lcu dx 3 kw "single" version description/model no. 3311491: lcu dx 3 kw "redundant" version dimensions and weight dimension...

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    11 technical specifications en 28 rittal lcu dx 11.2 lcu dx 6.5kw technical specifications internal unit external unit description/model no. 3311492: lcu dx 6.5 kw "single" version description/model no. 3311493: lcu dx 6.5 kw "redundant" version dimensions and weight dimensions (width x height x dep...

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    Rittal lcu dx 29 11 technical specifications en 11.3 information about the refrigerant to avoid damage to the device, rittal prescribes the use of refrigerant r410a. R410a is virtually azeotropic and is comprised of equal parts of r32 and r125. The basic properties of r410a are: – no ozone depletion...

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    11 technical specifications en 30 rittal lcu dx 11.4.1 lcu dx 3 kw exterior temperature [°c] -18 setpoint [°c] ± 2 k 22 25 28 cooling output [kw] min./max. 1.00 3.00 1.00 3.00 1.00 3.00 power consumption [kw] 0.41 0.64 0.46 0.65 0.45 0.68 tab. 9: exterior temperature -18°c exterior temperature [°c] ...

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    Rittal lcu dx 31 11 technical specifications en 11.4.2 lcu dx 6.5 kw exterior temperature [°c] -18 setpoint [°c] ± 2 k 22 25 28 cooling output [kw] min./max. 3.00 6.50 3.00 6.50 3.00 6.50 power consumption [kw] 1.45 2.03 1.66 2.10 1.52 2.10 tab. 15: exterior temperature -18°c exterior temperature [°...

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    11 technical specifications en 32 rittal lcu dx 11.5 overview drawings 11.5.1 internal unit lcu dx 3 kw and 6.5 kw fig. 17: overview drawing of internal unit lcu dx 3 kw and 6.5 kw ("redundant" version) key 1 insert for data and supply cables 2 refrigerant line for "single" version (1 pair) 3 refrig...

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    Rittal lcu dx 33 11 technical specifications en 11.5.2 dimensions of internal unit lcu dx 3 kw and 6.5 kw fig. 18: dimensions of internal unit lcu dx 3 kw and 6.5 kw outlet zone for cold air condensat e runoff for left-side installation refriger ant connections inspection opening for electr onics co...

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    11 technical specifications en 34 rittal lcu dx 11.6 ri flow chart lcu dx fig. 19: ri flow chart shut-off valve internal part external part electronic expansion valve capillaries capillaries condenser evaporator coil 4-way valve compressor cooling heating accumulator refrigerant, gas refrigerant, li...

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    Rittal lcu dx 35 11 technical specifications en 11.7 circuit diagram 11.7.1 functional diagram, internal unit fig. 20: functional diagram, internal unit redundancy changeover remot e contr o l (3 u) contr ol and display device 1 contr ol and display device 1 "r edundant" contr ol and display device ...

  • Page 36

    11 technical specifications en 36 rittal lcu dx 11.7.2 connection internal unit – external unit, external interfaces fig. 21: connection internal unit – external unit, external interfaces com-no connect or , int ernal unit a sk 3311.490 t o sk 3311.493 connect or , int ernal unit b sk 3311.491 and s...

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    Rittal lcu dx 37 11 technical specifications en 11.7.3 circuit diagram, external unit fig. 22: circuit diagram, external unit ipm boar d invert er boar d motherboar d ext ernal t emper atur e sensor regist er sensor hot gas sensor electr onic e x pansion valve 4-way valve compressor heat er floor he...

  • Page 38

    12 spare parts en 38 rittal lcu dx 12 spare parts item qty. / packs of evaporator coil control board 1 display 1 compressor 1 inverter motherboard 1 electronic expansion valve 1 evaporator coil fan 1 dixell (evaporator coil) 1 temperature sensor hot/cold air 1 refrigerant filter 2 tab. 21: list of s...

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    Rittal lcu dx 39 13 accessories en 13 accessories item model no. Qty. / packs of remarks refrigerant pipe kit 1 refrigerant pipe kit 20 m, insulated, for lcu dx 3 kw 3311.495 1 refrigerant pipe kit 20 m, insulated, for lcu dx 6.5 kw 3311.496 1 tab. 22: list of accessories – lcu dx.

  • Page 40

    14 glossary en 40 rittal lcu dx 14 glossary 1 u server: 1 u servers are very flat and deep, modern high per- formance servers, whose height corresponds to one height unit (1 u = 44.54 mm, the smallest standard height division). Typical dimensions are (w x d x h) 482.6 mm (19") x 800 mm x 1 u. These ...

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    Rittal lcu dx 41 15 customer service addresses en 15 customer service addresses for technical queries, please contact: tel.: +49(0)2772 505-9052 e-mail: info@rittal.De homepage: www.Rittal.Com for complaints or service requests, please contact: tel.: +49(0)2772 505-1855 e-mail: service@rittal.De rit...

  • Page 42

    ◾ enclosures ◾ power distribution ◾ climate control ◾ it infrastructure ◾ software & services you can find the contact details of all rittal companies throughout the world here. Www.Rittal.Com/contact 02.201 6.