Table of Contents
Advertisement
Advertisement
Table of Contents
Related Manuals for Rittal 3311.490
Summary of Contents for Rittal 3311.490
- Page 1 LCU DX 3311.490 3311.491 3311.492 3311.493 Assembly and operating instructions...
- Page 2 Foreword 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 –...
-
Page 3: Table Of Contents
5.2.4 Mounting the external unit ........14 Installation ........16 General information ........16 Notes on pipework ........16 Connecting the condensate discharge ..18 Electrical connection ........18 6.4.1 General .............. 18 6.4.2 Connecting the external unit ....... 19 Rittal LCU DX... -
Page 4: Notes On Documentation
1.6.1 Legal information concerning the operating instructions We reserve the right to make changes in content. Rittal GmbH & Co. KG and/or Hannich GmbH are not respon- sible for any damage which may result from failure to Information on electromagnetic com- comply with these assembly and operating instructions. -
Page 5: Safety Instructions
2 Safety instructions Safety instructions Danger! Risk of poisoning from refriger- The devices in the LCU DX series from Rittal GmbH & ant gases created under the influence of Co. KG are developed and manufactured with due re- heat. gard for all safety precautions. Nevertheless, the unit still... -
Page 6: Service And Technical Staff
Note: Rittal offers leak testing of the device as a service. Caution! Risk of malfunction or damage! Installation, and in particular the laying 2.3.1... -
Page 7: F-Gas Regulation
The LCU DX fulfils the requirements of EU Directive 2011/65/EC on the Restriction of Use of Certain Hazard- ous Substances in Electrical and Electronic Equipment (RoHS) of 8 June 2011. Note: Corresponding information about the RoHS Directive may be found on our website at www.rittal.com/RoHS. Rittal LCU DX... -
Page 8: Device Description
(U) of the 482.6 mm (19") level must be sealed with blanking plates, which are available as Rittal accessories (see section 13 "Accessories"). If the LCU DX is used to cool a TS IT server enclosure, it is important that this is sealed, by fitting the enclosure with side panels, roof and gland plates. -
Page 9: External Unit (Inverter-Controlled Cooling Unit)
– Use of replacement parts which are not authorised by cooling output to be precisely adapted to the actual Rittal GmbH & Co. KG cooling requirement. – Non-static use, e.g. on moving or vibrating machines –... -
Page 10: Scope Of Supply For The Lcu Dx
Temperature sensor, server front Condensate discharge External unit Set of accessories for mounting the internal unit and for the air block panel Assembly and operating instructions Tab. 2: Scope of supply of an LCU DX, "redundant" variant Rittal LCU DX... -
Page 11: Transport And Handling
Note: Damage and other faults, e.g. incomplete de- livery, should be reported immediately, in writing, to the shipping company and to Rittal GmbH & Co. KG. Place the unit in its intended location. Rittal LCU DX... -
Page 12: Assembly And Siting
The LCU DX may only be operated in combi- nation with 482.6 mm (19") mounting angles. Of which maximum height 12 m Installation with a 482.6 mm (19") mounting difference frame is not possible. Tab. 3: Distances and height differences Rittal LCU DX... -
Page 13: Mounting The Internal Unit
Control and display device 2 Second control and display device 1 for "redundant" ver- sion For the "single" version, fit the external temperature sensor included with the supply in a suitable position in front of the server installations. Rittal LCU DX... -
Page 14: Mounting The External Unit
Attach the external unit to the base plate to avoid the risk of tipping over. Fig. 7: Attachment points for external unit 4 x M10 plugs per external unit Distance > 600 mm Rittal LCU DX... - Page 15 Top view of attachment points For 3 kW unit: 550 mm For 6.5 kW unit: 560 mm Distance 1000 mm For 3 kW unit: 325 mm For 6.5 kW unit: 335 mm 12 x 20 mm elliptical drilled holes Rittal LCU DX...
-
Page 16: Installation
(intake gas line). Oil could collect here, or in the case of the liquid line, gas bubbles could form. Rittal LCU DX... - Page 17 Air and gas mixtures are to be avoided, since to expand. certain mixtures may be hazardous. The manufacturer must select a test method which al- lows suitable results to be achieved in accordance with the requirements outlined below. Rittal LCU DX...
-
Page 18: Connecting The Condensate Discharge
The unit may only be connected after the cess. aforementioned personnel have read 4. The additional fill volume or the new total fill volume this information! should be noted on the rating plate and operating manual. Use only insulated tools. Rittal LCU DX... -
Page 19: Connecting The External Unit
3. Check selected hard solder connections on pipe- Fig. 9: Dimensions for removing the rubber sheathing and in- sulation work for compliance with EN 14276-2. Rittal LCU DX... -
Page 20: Installing The Server
LCU DX. Cut the foamed plastic to the required size. Fig. 10: Air baffle plate on the side opposite the LCU internal unit Air baffle plate Rittal LCU DX... - Page 21 6 Installation Fig. 13: Partitioning with foamed plastic pieces on the side of the LCU internal unit Partitioning above Partitioning inside Partitioning below Rittal LCU DX...
-
Page 22: Operation
The operating status can be read from control and dis- adjusted in line with the ambient conditions. play device 3 on the internal unit. In addition to the con- Rittal LCU DX... - Page 23 Confirm this value by pressing the Set button again. The setpoint is displayed on control and display unit 2. As a general rule, the setpoints on all control compo- nents should be set to the same value. Rittal LCU DX...
-
Page 24: Troubleshooting
For technical queries, or if servicing is re- sponding error message will be displayed on control and quired, please contact Rittal using the ad- display device 3. In the event of a serious malfunction, dresses shown in section 15 "Customer the red LED will be illuminated and the alarm relay will service addresses". -
Page 25: Inspection And Maintenance
F-gas regulation (see section 2.3.3 "F-gas regulation" and section 2.3.4 "Chemicals – Climate Protection Ordinance"). Note: At an ambient temperature of 40°C, the nom- inal service life of the built-in fan is 40,000 op- erating hours. Rittal LCU DX... -
Page 26: Storage And Disposal
+50°C during stor- age. 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 environmental contami- nation! Never allow refrigerant from the cooling circuit or oil from the compressor to es- cape into the environment. -
Page 27: Technical Specifications
IP protection category IEC 60529 IP 20 IP X4 Noise level [dB (A)] 65 (distance 1 m) 40 (Open air above reflective flooring, distance 10 m) Colour RAL 7035 White Tab. 6: Technical specifications for the LCU DX 3 kW Rittal LCU DX... -
Page 28: Lcu Dx 6.5Kw
IP protection category IEC 60529 IP 20 IP X4 Noise level [dB (A)] 66 (distance 1 m) 40 (Open air above reflective flooring, distance 10 m) Colour RAL 7035 White Tab. 7: Technical specifications for the LCU DX 6.5 kW Rittal LCU DX... -
Page 29: Information About The Refrigerant
-3 K and +4 K. A fluctuation period lasts one to two min- utes. On average, the temperatures at the air outlet of To avoid damage to the device, Rittal prescribes the use the internal unit are within the tolerance of ±2 K. -
Page 30: Lcu Dx 3 Kw
Tab. 13: Exterior temperature 35°C Exterior temperature [°C] Setpoint [°C] ± 2 K Cooling output [kW] min./max. 1.00 3.50 1.00 3.50 1.00 3.50 Power consumption [kW] 1.02 1.45 0.97 1.52 0.97 0.68 Tab. 14: Exterior temperature 44°C Rittal LCU DX... -
Page 31: Lcu Dx 6.5 Kw
Tab. 19: Exterior temperature 35°C Exterior temperature [°C] Setpoint [°C] ± 2 K Cooling output [kW] min./max. 3.00 4.00 3.00 4.00 3.00 5.00 Power consumption [kW] 1.66 1.80 1.72 1.96 1.80 2.25 Tab. 20: Exterior temperature 44°C Rittal LCU DX... -
Page 32: Overview Drawings
Fig. 17: Overview drawing of internal unit LCU DX 3 kW and 6.5 kW ("redundant" version) Insert for data and supply cables Refrigerant line for "single" version (1 pair) Refrigerant line for "redundant" version (2 pairs) Condensate discharge Rittal LCU DX... -
Page 33: Dimensions Of Internal Unit Lcu Dx 3 Kw And 6.5 Kw
11 Technical specifications 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 Rittal LCU DX... -
Page 34: Ri Flow Chart Lcu Dx
11 Technical specifications 11.6 RI flow chart LCU DX Internal part External part Electronic Refrigerant, expansion valve liquid Shut-off valve Capillaries Capillaries Evaporator Condenser coil Refrigerant, Accumulator 4-way valve Cooling Compressor Heating Fig. 19: RI flow chart Rittal LCU DX... -
Page 35: Circuit Diagram
11 Technical specifications 11.7 Circuit diagram 11.7.1 Functional diagram, internal unit Fig. 20: Functional diagram, internal unit Rittal LCU DX... -
Page 36: Connection Internal Unit - External Unit, External Interfaces
11 Technical specifications 11.7.2 Connection internal unit – external unit, external interfaces Fig. 21: Connection internal unit – external unit, external interfaces Rittal LCU DX... -
Page 37: Circuit Diagram, External Unit
11 Technical specifications 11.7.3 Circuit diagram, external unit Fig. 22: Circuit diagram, external unit Rittal LCU DX... -
Page 38: Spare Parts
Item Qty. / Packs of Evaporator coil control board Display Compressor Inverter motherboard Electronic expansion valve Evaporator coil fan Dixell (evaporator coil) Temperature sensor hot/cold air Refrigerant filter Tab. 21: List of spare parts – LCU DX Rittal LCU DX... -
Page 39: Accessories
Qty. / Packs of Remarks Refrigerant pipe kit Refrigerant pipe kit 20 m, insulated, for LCU DX 3 kW 3311.495 Refrigerant pipe kit 20 m, insulated, for LCU DX 3311.496 6.5 kW Tab. 22: List of accessories – LCU DX Rittal LCU DX... -
Page 40: Glossary
Multiple servers normally communicate with one an- other and in the network using switches. Because as many inputs as possible are located on the front side of switches, they frequently have an air- flow from the side, not "front to back" cooling. Rittal LCU DX... -
Page 41: Customer Service Addresses
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 Rittal GmbH & Co. KG Auf dem Stützelberg 35745 Herborn Germany Rittal LCU DX... - 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...
Need help?
Do you have a question about the 3311.490 and is the answer not in the manual?
Questions and answers