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Rittal Liquid Cooling Package

49

14 Preparation and maintenance of the cooling medium

EN

14

Preparation and maintenance of
the cooling medium

Depending on the type of installation to be cooled, cer-
tain purity requirements are placed on the cooling water
in a recooling system. According to the level of contam-
ination and the size and design of the recooling systems,
a suitable process is used to prepare and/or maintain
the water. The most common types of contamination
and frequently used techniques to eliminate them in in-
dustrial cooling are:

Tab. 53: Cooling water contaminants and treatment procedures

Type of impurity

Procedure

Mechanical contami-
nation

Filter the water using:
Mesh filter, sand filter, cartridge fil-
ter, precoated filter, magnetic filter

Excessive hardness

Soften the water via ion exchange

Moderate content of
mechanical contami-
nants and hardeners

Add stabilisers and/or dispersing
agents to the water

Moderate levels of
chemical contami-
nants

Add passifiers and/or inhibitors to
the water

Biological contami-
nants, slime bacteria
and algae

Treat the water with biocides

Note:
For the proper operation of a recooling sys-
tem that uses water on at least one side, the
composition of any additive used or system
water should not deviate substantially from
hydrological data presented in section 13.1
"Hydrological information".

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Содержание TopTherm LCP Hybrid 3311.600

Страница 1: ...TopTherm LCP Hybrid Montage Installations und Bedienungsanleitung Assembly and operating instructions 3311 600 3311 800 3311 610 3311 810 3311 700 3311 900 3311 710 3311 910 ...

Страница 2: ... 2 Safety instructions This is essential for secure assembly of the Liquid Cooling Package safe handling and trouble free operation Please keep the complete documentation readily availa ble so that it is always on hand when needed We wish you every success Yours Rittal GmbH Co KG Rittal GmbH Co KG Auf dem Stützelberg 35745 Herborn Germany Tel 49 0 2772 505 0 Fax 49 0 2772 505 2319 E mail info ritt...

Страница 3: ...nclosure 14 5 2 3 Dismantle the rear server enclosure door 14 5 2 4 Fit the door latch mechanisms 15 5 2 5 Fit the LCP Hybrid 15 5 2 6 Fitting the potential equalisation 16 5 2 7 Install the air routing kit optional 16 5 2 8 Remove the mounting aid 16 6 Installation 18 6 1 Cooling water connection 18 6 2 Bleeding the air from the heat exchanger 19 6 3 Installing the cover 20 7 Commissioning checkl...

Страница 4: ...ion for the accessories used 1 4 Normative instructions 1 4 1 Legal information concerning the operating instructions We reserve the right to make changes in content Rittal GmbH Co KG will not be held liable for any mistakes in this documentation Liability for indirect damages as sociated with the supply or use of this documentation is excluded to the extent allowable by law 1 4 2 Copyright The di...

Страница 5: ...oist trolley a forklift or a crane Warning Danger of cut wounds espe cially from the sharp edges of the heat exchanger module Put on protective gloves before begin ning assembly or cleaning work Warning Injury due to falling loads If the server rack is not fully populated there is a risk of it tipping over when the Liquid Cooling Package is swung away Heavy equipment should be installed in the bot...

Страница 6: ...m 482 6 mm 19 equipment 4 LCP Hybrid with air water heat exchanger 5 Cooled air Immediately in front of the heat exchanger is a row of heat pipes These heat pipes support even distribution of the thermal load over the entire height of the heat ex changer In the heat exchanger the thermal energy heat loss from the devices is transferred to a cold water system There the air is cooled and then flows ...

Страница 7: ... kg m3 0 k J k g 2 0 k J k g 4 0 k J k g 6 0 k J k g E n t h a l p y 100 50 90 80 70 60 40 30 20 15 10 5 Rel Humidity 0 g kg 2 g kg 4 g kg 6 g kg 8 g kg 10 g kg 12 g kg 14 g kg 16 g kg 18 g kg 20 g kg Water 15 10 5 0 5 10 15 20 25 30 35 40 Temperature Mollier h x diagram for humid air pressure 0 950 bar 537 000 m 10 000 C 80 000 rF 22 11 Dew point curve ...

Страница 8: ...accessories see section 12 Accessories This prevents the hot air from flowing back at the sides adjacent to the server installations and forming hot spots fig 3 Fig 3 Correct arrangement of the partitioning plates air baffle plates Key 1 Cold ambient air 2 Installed devices 3 Partitioning plates in the rear section 4 Hot airflow 5 LCP Hybrid with air water heat exchanger 6 Cooled air If the air ba...

Страница 9: ...om of the server enclosure and passive com ponents with low heat generation at the top If the server enclosure is not fully populated seal the open height units U in the 482 6 mm 19 level with blanking plates available as Rittal accessories see section 12 Accessories 3 3 Equipment assembly 3 3 1 Unit components Fig 6 LCP Hybrid Door closed Key 1 LCP door with air water heat exchanger 2 Door bracke...

Страница 10: ... generally connected to the cold wa ter system using an optional connection hose Alterna tively the LCP Hybrid may also be connected on site with the installed pipework 3 4 Proper and improper usage The Liquid Cooling Package is used to dissipate high heat losses and for the effective cooling of the waste air from IT components built into a server enclosure The unit is state of the art and built a...

Страница 11: ...rectification of malfunctions Use of replacement parts which are not authorised by Rittal GmbH Co KG 3 5 Supply scope of a Liquid Cooling Package The Liquid Cooling Package supply includes Tab 1 Supply scope of an LCP Hybrid Qty Parts 1 Liquid Cooling Package ready for connection 1 Cover 1 Assembly instructions 5 Posidrive raised countersunk screw 3 Contact washer 7 Screw 1 Bleed tool ...

Страница 12: ... the Liquid Cooling Package is subject to tipping Risk of toppling especially after the unit is removed from the pallet Caution Transportation of the Liquid Cooling Package without a pallet Use only suitable and technically sound lifting gear and load bearing devices with sufficient load capacity Note After unpacking the packaging materials must be disposed of in an environmentally friendly way Th...

Страница 13: ...ir produced by the LCP Hybrid is drawn in by a server en closure positioned behind it The LCP Hybrid installed there cools the air from this enclosure and so on If several server enclosures are positioned adjacent to one another each enclosure must be partitioned sepa rately To this end we recommend using a partition be tween two enclosures and a corresponding side panel as the termination Type of...

Страница 14: ...1 Server rack 2 Air baffle plate If devices which require cooling via sideways air throughput e g switches router etc are built into the server enclosure the air baffle plates will need to be repositioned to allow for cooling fig 5 Attach the air baffle plate in the front section on one side of the server rack Attach the air baffle plate in a suitable place in the rear section on the other side of...

Страница 15: ...packaging With at least two people lift the LCP Hybrid out of the packaging and set it upright Rotate the LCP Hybrid on the mounting aid in such a way that the mounting points and the cooling water connections are on the right hand side Push the LCP Hybrid against the server enclosure on the mounting aid and align it in such a way that the mounting points in the door hinge of the LCP Hybrid are al...

Страница 16: ...ugh the LCP Hybrid for the devices installed at the top and bottom of the server enclosure To this end the air routing kit 3311 160 available as an accessory should be mounted at the rear on the inside of the server enclosure frame First insert one air baffle plate each from above into the corresponding fastening plate Fig 18 Air routing kit at the bottom of the server enclosure Key 1 Assembly scr...

Страница 17: ...Rittal Liquid Cooling Package 17 5 Assembly and siting EN Fig 19 Mounting aid on the LCP Hybrid ...

Страница 18: ...stems will not be supplied homogeneously with the re quired volume of cold water This will adversely affect ef ficient operation Fig 21 Cooling distribution without hydraulic balancing Key 1 Circulating pump 2 Shut off valve 3 Fine filter 4 Return 5 Supply 6 Pump pressure 7 Appliance to be cooled LCP Hybrid 8 Pipe friction pressure factor 9 Opening of control valve 10 Control valve Here hydraulic ...

Страница 19: ...lves fully closed but they must be opened prior to commission ing Proceed as follows to bleed the device Swing the LCP Hybrid away from the server enclosure Remove the three assembly components from the in ner maintenance door of the LCP Hybrid and open the maintenance door Remove the vent hose included with the supply from the inside of the maintenance door Fig 24 Vent hose on the LCP Hybrid Key ...

Страница 20: ... the system Once you have finished the vent process remove the vent hose again and secure it to the inside of the maintenance door Close the inner maintenance door of the Liquid Cooling Package Swing the LCP Hybrid towards the server enclosure and close the door 6 3 Installing the cover Once all the installation work is complete the cover is fit ted over the door hinge Fig 26 Cover on the LCP Hybr...

Страница 21: ...Rittal Liquid Cooling Package 21 6 Installation EN Fig 27 Cover on the LCP Hybrid Key 1 Screw and contact washer for potential equalisation 1 ...

Страница 22: ...uality can be found in section 13 1 Hydrological information of the assembly and operating instructions of your Liquid Cooling Package It is important to ensure that the recommended water quality is maintained even after installation Was the pipework sufficiently flushed before the Liquid Cooling Package was connected It is important to clean or flush the water circuits ap propriately especially f...

Страница 23: ...available for 2 applica tions and 2 enclosure widths Are all water connections correctly made Before water is admitted and ideally before the ball valves are opened be sure to check that all connec tions are properly made Is the server enclosure equipped with suitable doors The front side front door of the server enclosure must have unrestricted air permeability so that the servers can draw in the...

Страница 24: ...used height units in the 482 6 mm 19 level as well as side slots and openings must be sealed using blank ing plates or air baffle plates Both are available as acces sories Malfunc tion loca tion Malfunction Cause of malfunction Effect Remedy Cold water system Corrosion and contami nants in the cold water system Insufficient cleaning after a new installation Unclean and aggressive wa ter leads to a...

Страница 25: ...intenance free An additional external strainer with fine mesh sieve 0 25 mm is required if the cooling water is contami nated This should be cleaned regularly Visually inspect for leaks regularly annual cycle The maintenance door to the Liquid Cooling Package should be opened at regular intervals and the heat ex changer vacuumed clean ...

Страница 26: ...hould be drained com pletely To this end attach two vent hoses to the vent valves of the Liquid Cooling Package and open the valves so that the cooling fluid can run out see section 6 2 Bleeding the air from the heat exchanger Caution Risk of damage The air water heat exchanger must not be subjected to temperatures above 70 C during storage Caution Risk of environmental contami nation Refrigerant ...

Страница 27: ... door 135 135 135 135 Weight kg 76 78 78 81 Cooling circuit Cooling medium Water see Internet for specifications Cold water inlet temperature C 7 30 and at least 3 K above the dew points of the ambient and flowing air Permissible operating pressure PS1 bar 6 Fill quantity of heat exchanger l 8 Max volumetric flow of water l min 70 Fill quantity of heat pipe with R134a kg 0 65 Water connection DN 2...

Страница 28: ...135 135 Weight kg 76 81 81 84 Cooling circuit Cooling medium Water see Internet for specifications Cold water inlet temperature C 7 30 and at least 3 K above the dew points of the ambient and flowing air Permissible operating pressure PS1 bar 6 Fill quantity of heat exchanger l 8 Max volumetric flow of water l min 70 Fill quantity of heat pipe with R134a kg 0 65 Water connection DN 25 G1 Rated coo...

Страница 29: ... x 2000 mm Air baffle plate for TS IT 5501 815 1 Width x height 800 mm x 2000 mm Air baffle plate for TS IT 5501 825 1 Width x height 600 mm x 2200 mm Air baffle plate for TS IT 5501 835 1 Width x height 800 mm x 2200 mm Connection hose 3301 351 2 Length 1 m may be cut to required length Air routing kit 3311 160 2 Tab 5 Accessories list Liquid Cooling Package ...

Страница 30: ... If the cooling efficiency determined in this way is 100 then the air outlet temperature from the LCP Hybrid will be less than or at the most equal to the air inlet temper ature into the server enclosure If the cooling efficiency determined in this way is less than 100 then the air outlet temperature from the LCP Hybrid will be greater than the air inlet temperature into the server enclosure The r...

Страница 31: ...C F 23 73 4 40 8 7 47 7 23 73 4 45 10 4 50 7 23 73 4 50 12 53 6 23 73 4 55 13 5 56 3 23 73 4 60 14 8 58 6 Tab 10 Determination of the dew point for room temperature 23 C Room tempera ture C F Rel humidity Dew point C F 24 75 2 40 9 6 49 3 24 75 2 45 11 3 52 3 24 75 2 50 12 9 55 2 24 75 2 55 14 4 57 9 Tab 11 Determination of the dew point for room temperature 24 C Room tempera ture C F Rel humidity...

Страница 32: ...13 Further technical information EN 32 Rittal Liquid Cooling Package Fig 31 Upstream pressure loss in the 20 kW version ...

Страница 33: ...ater volume l min 10 11 14 19 21 28 40 Volumetric airflow m3 h 1000 1000 1000 1100 1100 1100 1100 Air outlet from LCP Hybrid C 21 21 21 21 21 21 21 Air inlet to LCP Hybrid C 36 36 36 36 36 36 36 T air K 15 15 15 15 15 15 15 Tab 14 Cooling output at partial load and a T air of 15 K Cooling output sensible kW 10 10 10 10 10 Inlet temperature C 12 13 14 15 16 Return temperature C 17 5 17 5 18 18 18 W...

Страница 34: ...3 33 33 T air K 12 12 12 12 12 Tab 17 Cooling output at partial load and a T air of 12 K Cooling output sensible kW 15 15 15 15 15 Inlet temperature C 12 13 14 15 16 Return temperature C 19 19 19 20 20 Water volume l min 32 36 43 48 60 Volumetric airflow m3 h 3200 3200 3200 3200 3200 Air outlet from LCP Hybrid C 21 21 21 21 21 Air inlet to LCP Hybrid C 36 36 36 36 36 T air K 15 15 15 15 15 Tab 18 ...

Страница 35: ...rflow m3 h 1300 1300 1300 1300 1300 1300 1300 1300 Air outlet from LCP Hybrid C 22 22 22 22 22 22 22 22 Air inlet to LCP Hybrid C 34 34 34 34 34 34 34 34 T air K 12 12 12 12 12 12 12 12 Tab 21 Cooling output at partial load and a T air of 12 K Cooling output sensible kW 5 5 5 5 5 5 5 5 Inlet temperature C 12 13 14 15 16 17 18 19 Return temperature C 20 5 20 20 20 20 20 5 21 21 Water volume l min 9...

Страница 36: ...W 10 10 10 10 10 Tab 23 Cooling output at full load and a T air of 12 K Cooling output sensible kW 15 15 15 15 15 15 Inlet temperature C 12 13 14 15 16 17 Return temperature C 19 19 20 20 20 20 5 Water volume l min 32 36 38 40 48 60 Volumetric airflow m3 h 3600 3600 3600 3600 3600 3600 Air outlet from LCP Hybrid C 22 22 22 22 22 22 Air inlet to LCP Hybrid C 34 34 34 34 34 34 T air K 12 12 12 12 12...

Страница 37: ...0 4100 Air outlet from LCP Hybrid C 22 22 22 22 Air inlet to LCP Hybrid C 37 37 37 37 T air K 15 15 15 15 Tab 28 Cooling output at full load and a T air of 15 K Cooling output sensible kW 5 5 5 5 5 5 5 5 5 Inlet temperature C 12 13 14 15 16 17 18 19 20 Return temperature C 22 22 21 21 21 21 21 5 22 22 Water volume l min 7 8 10 12 14 17 20 26 38 Volumetric airflow m3 h 1200 1200 1200 1200 1200 1200...

Страница 38: ...T air of 12 K Cooling output sensible kW 10 10 10 10 10 Inlet temperature C 12 13 14 15 16 Return temperature C 19 19 20 19 20 Water volume l min 21 23 25 46 50 Volumetric airflow m3 h 2000 2000 2000 2600 2600 Air outlet from LCP Hybrid C 23 23 23 23 23 Air inlet to LCP Hybrid C 38 38 38 38 38 T air K 15 15 15 15 15 Tab 32 Cooling output at full load and a T air of 15 K Cooling output sensible kW ...

Страница 39: ... Water volume l min 40 45 50 55 65 75 Volumetric airflow m3 h 4500 4500 4500 4500 4500 4500 Air outlet from LCP Hybrid C 23 23 23 23 23 23 Air inlet to LCP Hybrid C 35 35 35 35 35 35 T air K 12 12 12 12 12 12 Tab 35 Cooling output at full load and a T air of 12 K Cooling output sensible kW 20 20 20 20 20 20 Inlet temperature C 12 13 14 15 16 17 Return temperature C 20 20 20 20 20 21 Water volume l...

Страница 40: ... 10 10 10 10 10 Inlet temperature C 12 13 14 15 16 17 18 Return temperature C 19 19 5 20 20 21 21 21 5 Water volume l min 20 22 24 26 30 34 40 Volumetric airflow m3 h 2400 2400 2400 2400 2500 2500 2500 Air outlet from LCP Hybrid C 24 24 24 24 24 24 24 Air inlet to LCP Hybrid C 36 36 36 36 36 36 36 T air K 12 12 12 12 12 12 12 Tab 39 Cooling output at full load and a T air of 12 K Cooling output se...

Страница 41: ...h 3000 3000 3000 3000 3000 3000 3000 Air outlet from LCP Hybrid C 24 24 24 24 24 24 24 Air inlet to LCP Hybrid C 39 39 39 39 39 39 39 T air K 15 15 15 15 15 15 15 Tab 42 Cooling output at partial load and a T air of 15 K Cooling output sensible kW 18 18 18 18 18 18 Inlet temperature C 12 13 14 15 16 17 Return temperature C 20 20 20 21 21 22 Water volume l min 30 34 36 40 46 55 Volumetric airflow m...

Страница 42: ...b 45 Cooling output at partial load and a T air of 12 K Cooling output sensible kW 5 5 5 5 5 5 5 Inlet temperature C 12 13 14 15 16 17 18 Return temperature C 26 25 25 25 24 24 5 23 5 Water volume l min 5 6 7 8 10 12 14 Volumetric airflow m3 h 1000 1000 1000 1100 1100 1100 1100 Air outlet from LCP Hybrid C 25 25 25 25 25 25 25 Air inlet to LCP Hybrid C 40 40 40 40 40 40 40 T air K 15 15 15 15 15 1...

Страница 43: ... 3700 3700 3700 3700 3700 Air outlet from LCP Hybrid C 25 25 25 25 25 25 Air inlet to LCP Hybrid C 37 37 37 37 37 37 T air K 12 12 12 12 12 12 Tab 49 Cooling output at partial load and a T air of 12 K Cooling output sensible kW 15 15 15 15 15 15 Inlet temperature C 12 13 14 15 16 17 Return temperature C 22 22 22 5 23 23 24 Water volume l min 24 26 28 30 32 35 Volumetric airflow m3 h 3200 3200 3200...

Страница 44: ...4 15 16 17 Return temperature C 22 22 22 22 23 23 Water volume l min 30 34 36 40 44 50 Volumetric airflow m3 h 4000 4000 4000 4000 4000 4000 Air outlet from LCP Hybrid C 25 25 25 25 25 25 Air inlet to LCP Hybrid C 40 40 40 40 40 40 T air K 15 15 15 15 15 15 Tab 52 Cooling output at full load and a T air of 15 K Cooling output sensible kW 18 18 18 18 18 18 Tab 51 Cooling output at full load and a T...

Страница 45: ...Further technical information EN 13 3 Overview drawing Fig 32 Overview drawing of LCP Hybrid 600 x 2000 X1 1 4 Cut out for piping X2 1 3 X1 X2 1978 590 567 82 173 409 1678 105 27 51 29 1 3 5 1000 1200 105 1688 437 104 50 4 IN OUT 51 14 20 ...

Страница 46: ...ormation EN 46 Rittal Liquid Cooling Package Fig 33 Overview drawing of LCP Hybrid 800 x 2000 Cut out for piping X2 1 3 X1 1 4 X2 X1 1678 431 173 182 790 1978 767 105 437 1688 50 4 104 14 20 27 51 29 OUT IN 1000 1200 105 1 3 5 ...

Страница 47: ...kage 47 13 Further technical information EN Fig 34 Overview drawing of LCP Hybrid 600 x 2200 X2 1 4 X1 1 4 Cut out for piping X2 X1 104 50 4 114 120 2178 1678 273 590 82 567 409 1688 437 105 1 3 5 1000 1200 29 27 51 105 OUT IN ...

Страница 48: ...nformation EN 48 Rittal Liquid Cooling Package Fig 35 Overview drawing of LCP Hybrid 800 x 2200 X2 1 4 X1 1 4 Cut out for piping X2 X1 431 767 82 590 273 1678 2178 105 437 1688 50 4 104 1000 1200 OUT IN 27 29 51 105 114 120 ...

Страница 49: ...ntaminants and treatment procedures Type of impurity Procedure Mechanical contami nation Filter the water using Mesh filter sand filter cartridge fil ter precoated filter magnetic filter Excessive hardness Soften the water via ion exchange Moderate content of mechanical contami nants and hardeners Add stabilisers and or dispersing agents to the water Moderate levels of chemical contami nants Add p...

Страница 50: ... Overview of spare parts Key 1 Plastic attachment kit 2 Plastic hinge kit Note As well as the spare part number the follow ing information must also be provided when ordering spare parts Unit model Fabrication number Date of manufacture This information can be found on the rating plate 2 1 ...

Страница 51: ...ystem malfunctions Air water heat exchanger Air water heat exchangers operate according to the same principle as automobile radiators A liquid water flows through the heat exchanger while at the same time air is blown over its surface area which is as large as possible facilitating energy exchange Depending on the temperature of the circulating liquid water an air water heat exchanger may either h...

Страница 52: ...stribution Climate Control IT Infrastructure Software Services RITTAL GmbH Co KG Postfach 1662 D 35726 Herborn Phone 49 0 2772 505 0 Fax 49 0 2772 505 2319 E mail info rittal de www rittal com 10 2014 ID no D 0000 00000159 ...

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