FRIEDHELM LOH Rittal LCP Rack DX 20 Manuel utilisateur

LCP Rack DX 20

LCP Inline DX 20

3313.290

3313.390

Assembly and operating instructions

Foreword

2Rittal Liquid Cooling Package

Foreword

Dear Customer!

Thank you for choosing a Rittal Liquid Cooling Package

DX (referred to hereafter also as "LCP DX").

This documentation applies to device LCP Inline DX 20

(DX = Direct Expansion).

Please take the time to read this documentation carefully

and pay particular attention to the safety instructions in

the text and to section 2 "Safety instructions".

This is the prerequisite for:

– secure assembly of the LCP DX

– safe handling and

– the most trouble-free operation possible.

Please keep the complete documentation readily availa-

ble so that it is always on hand when needed.

We wish you every success!

Your,

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@rittal.de

www.rittal.com

www.rittal.de

We are always happy to answer any technical questions

regarding our entire range of products.

Rittal Liquid Cooling Package 3

Contents

1 Notes on documentation .................. 5

1.1 CE labelling................................................... 5

1.2 Information on electromagnetic compatibility. 5

1.3 Storing the documents.................................. 5

1.4 Symbols in these operating instructions ........ 5

1.5 Other applicable documents ......................... 5

1.6 Normative instructions .................................. 5

1.6.1 Legal information concerning the operating

instructions ........................................................... 5

1.6.2 Copyright ............................................................. 5

2 Safety instructions ............................ 6

2.1 Important safety instructions ......................... 6

2.2 Service and technical staff ............................ 7

2.2.1 Personal safety equipment ................................... 7

2.3 Operator requirements.................................. 7

2.3.1 Abbreviated instructions ....................................... 7

2.3.2 System log ........................................................... 7

2.3.3 F-gas regulation ................................................... 8

2.3.4 Chemicals – Climate Protection Ordinance ........... 8

2.4 RoHS compliance ......................................... 8

3 Device description ............................ 9

3.1 General functional description ....................... 9

3.2 Air routing ..................................................... 9

3.2.1 General ................................................................ 9

3.2.2 LCP Rack DX ..................................................... 10

3.2.3 LCP Inline DX ..................................................... 11

3.3 Equipment assembly................................... 11

3.3.1 Unit components ................................................ 11

3.3.2 Coolant circuit .................................................... 12

3.3.3 External condenser ............................................. 12

3.3.4 Fan module ........................................................ 13

3.4 Proper and improper usage ........................ 13

3.5 Supply scope of a LCP DX.......................... 13

4 Transportation and handling ........... 14

4.1 Transportation ............................................ 14

4.2 Unpacking .................................................. 14

5 Assembly and siting ....................... 15

5.1 General ....................................................... 15

5.1.1 Installation site requirements ............................... 15

5.1.2 Prepare the installation room .............................. 16

5.1.3 Installation guidelines .......................................... 16

5.2 Assembly procedure ................................... 16

5.2.1 General .............................................................. 16

5.2.2 Fit the attenuators .............................................. 17

5.2.3 Dismantle the side panels ................................... 17

5.2.4 Seal the server enclosure .................................... 17

5.2.5 Installation and baying of the LCP DX ................. 18

5.2.6 Mounting the side panel ..................................... 19

5.3 External condenser ..................................... 19

6 Installation ...................................... 21

6.1 General ....................................................... 21

6.2 Notes on pipework...................................... 21

6.3 Connecting the condensate discharge ........ 24

6.4 Electrical connection .................................. 25

6.4.1 General .............................................................. 25

6.4.2 Connecting the LCP DX ..................................... 26

6.4.3 Connecting the external condenser .................... 26

6.5 Checking the entire system prior to commis-

sioning ....................................................... 27

7 Operation ....................................... 28

7.1 Control and display components................ 28

7.2 Switching the LCP DX on and off ............... 28

7.2.1 Switching on the LCP DX and the external

condenser .......................................................... 28

7.2.2 Switching off the LCP DX and the external

condenser .......................................................... 28

7.2.3 Switching off in an emergency ............................ 28

7.3 Layout of the user interface ........................ 28

7.4 General operating instructions.................... 28

7.4.1 Moving between menus ..................................... 28

7.4.2 Changing parameter values ................................ 28

7.5 Start screen ............................................... 28

7.6 Menu level A "On/Off Unit" ......................... 29

7.6.1 Menu A01 .......................................................... 29

7.6.2 Menu A02 .......................................................... 29

7.7 Menu level B "Setpoint".............................. 29

7.7.1 Menu B01 .......................................................... 29

7.7.2 Menu B02 .......................................................... 29

7.8 Menu level C "Clock/Scheduler"................. 30

7.8.1 Menu C01 .......................................................... 30

7.8.2 Menu C02 – C04 ................................................ 30

7.8.3 Menu C05 .......................................................... 30

7.9 Menu level D "Input/Output"....................... 30

7.9.1 Menu D01 – D06 ................................................ 30

7.9.2 Menu D07 – D12 ................................................ 30

7.9.3 Menu D13 .......................................................... 30

7.9.4 Menu D14 .......................................................... 30

7.9.5 Input/output menu .............................................. 30

7.10 Menu level E "Data logger" ......................... 30

7.10.1 Menu E01 .......................................................... 30

7.11 Menu level F "Board switch"....................... 30

7.12 Menu level G "Service" ............................... 31

7.12.1 Menu Ga "Change language" ............................. 31

7.12.2 Menu Gb "Information" ....................................... 31

7.12.3 Menu Gd "Working hours" .................................. 31

7.13 Configure the pCO Web card ..................... 31

7.13.1 Activate the factory bootswitch parameters ........ 31

7.13.2 Logging on to the pCO Web card ....................... 31

7.13.3 Configure the network interface .......................... 32

7.13.4 E-mail configuration ............................................ 32

7.13.5 LCP DX supervisory table ................................... 33

8 Troubleshooting ............................. 37

8.1 General ...................................................... 37

8.2 Alarm relay circuit....................................... 37

8.3 List of error messages and solutions .......... 38

9 Inspection and maintenance ........... 41

9.1 Safety instructions concerning maintenance

work .......................................................... 41

9.2 Cleaning the heat exchanger...................... 41

Contents

4Rittal Liquid Cooling Package

9.3 Fan installation ........................................... 41

10 Storage and disposal ...................... 43

11 Technical specifications .................. 44

11.1 LCP Rack DX/LCP Inline DX ...................... 44

11.2 Standard condenser .................................. 45

11.3 Low temperature unit ................................. 46

11.3.1 Low temperature condenser for ambient

temperatures up to -40 °C .................................. 46

11.3.2 Winter kit module for operating the low

temperature condenser unit ................................ 46

11.4 High temperature condenser for ambient

temperatures up to +53 °C ........................ 47

11.5 Total refrigerant charge .............................. 48

11.6 Refrigerant pipes........................................ 48

12 Spare parts .................................... 49

13 Accessories .................................... 50

14 SNMP card .................................... 51

15 Options .......................................... 52

15.1 General information.................................... 52

15.2 Humidifier................................................... 52

15.2.1 General information ............................................. 52

15.2.2 Activating the humidifier ...................................... 52

15.2.3 Setting the humidity setpoint ............................... 52

15.2.4 Technical specifications ...................................... 52

15.2.5 Installation prerequisites ...................................... 53

15.3 Electrical heaters........................................ 53

15.3.1 General information ............................................. 53

15.3.2 Activating the heaters .......................................... 54

15.3.3 Technical specifications ...................................... 54

15.4 Dehumidification ........................................ 54

15.4.1 General information ............................................. 54

15.4.2 Activating the dehumidification ............................ 54

15.4.3 Installation prerequisites ...................................... 55

15.5 Condensate pump ..................................... 55

15.5.1 General information ............................................. 55

15.5.2 Technical specifications ...................................... 55

15.5.3 Installation ........................................................... 55

15.6 Low temperature unit ................................. 56

15.6.1 General information ............................................. 56

15.6.2 Installation ........................................................... 56

15.7 High temperature condenser...................... 56

15.7.1 General information ............................................. 56

15.7.2 Installation prerequisites ...................................... 56

15.8 Air filter....................................................... 56

15.8.1 General information ............................................. 56

15.8.2 Setting the threshold ........................................... 56

15.8.3 Maintenance ....................................................... 57

15.9 Redundancy .............................................. 57

15.9.1 General information ............................................. 57

15.9.2 Installation ........................................................... 57

15.9.3 Activating the redundancy ................................... 57

15.9.4 Installation prerequisites ...................................... 58

16 Further technical information .......... 59

16.1 Coolant information .................................... 59

16.2 Cooling output ........................................... 59

16.3 Overview drawing....................................... 60

16.4 Circuit diagram........................................... 67

16.5 Piping and instrumentation diagram to

DIN EN 1861:1998 ..................................... 68

17 Glossary ........................................ 70

18 Customer service addresses .......... 71

Rittal Liquid Cooling Package 5

1 Notes on documentation

1.1 CE labelling

Rittal GmbH & Co. KG hereby confirms that the cooling

units in the LCP DX series are compliant with the EMC

Directive 2014/30/EC as well as with the Machinery Di-

rective 2006/42/EC. A corresponding declaration of

conformity has been issued and enclosed with the doc-

umentation package supplied with the unit.

The cooling unit bears the following mark.

1.2 Information on electromagnetic

compatibility

The LCP DX is a class A device as defined by EN 55022.

Under certain circumstances, the device may cause ra-

dio interference in domestic environments. In such cas-

es, the operator may be asked to implement appropriate

measures.

1.3 Storing the documents

The assembly and operating instructions as well as all

applicable documents are integral components of the

product. They must be handed to those persons who

are engaged with the unit and must always be available

and on hand for operating and maintenance personnel.

1.4 Symbols in these operating instructions

The following symbols are found in this documentation:

This symbol indicates an "Action Point" and shows

that you should carry out an operation/procedure.

1.5 Other applicable documents

The general plant documentation for the room where the

equipment is situated (construction specifications for the

ventilation system) also applies in conjunction with these

assembly and operating instructions.

1.6 Normative instructions

1.6.1 Legal information concerning the operating

instructions

We reserve the right to make changes in content. Rittal

GmbH & Co. KG is not responsible for any damage

which may result from failure to comply with these as-

sembly and operating instructions. The same applies to

failure to comply with the valid documentation for acces-

sories used.

1.6.2 Copyright

The distribution and duplication of this document and

the disclosure and use of its contents are prohibited un-

less expressly authorised.

Offenders will be liable for damages. All rights created by

a patent grant or registration of a utility model or design

are reserved.

Danger!

Hazardous situation which may lead to

death or serious injury if the instructions

are not followed.

Warning!

Hazardous situation which may lead to

death or serious injury if the instructions

are not followed.

Caution!

Hazardous situation which may lead to

(minor) injuries if the instructions are not

followed.

Note:

Information concerning individual proce-

dures, explanations, or tips for simplified ap-

proaches. Also indicates situations which

may result in material damage.

2 Safety instructions

6Rittal Liquid Cooling Package

2 Safety instructions

The devices in the LCP DX series produced by Rittal

GmbH & Co. KG are developed and produced with due

regard for all safety precautions. Nevertheless, the unit

still poses a number of unavoidable dangers and resid-

ual risks. The safety instructions provide you with an

overview of these dangers and the necessary safety pre-

cautions.

In the interests of your safety and the safety of others,

please read these safety instructions carefully before as-

sembly and commissioning of the LCP DX.

Follow the user information found in these instructions

and on the unit carefully.

2.1 Important safety instructions

Danger! Electric shock!

Contact with live electrical parts may be

lethal.

Before switching on, ensure that there is

no possibility of accidental contact with

live electrical parts.

The unit has a high discharge current.

Before connecting to the supply circuit,

therefore, it is essential to make a 6 mm²

earth connection (see section 16.4 "Cir-

cuit diagram").

Danger! Injury caused by fan impellers!

Keep persons and objects away from

the fan impellers! Do not remove covers

until the power supply is disconnected

and impellers are not moving! Always

use mechanical protection when work-

ing! Shut down the respective fan during

maintenance work! Tie long hair back!

Do not wear loose clothing! Fans start

up automatically following power dis-

ruptions!

Danger! Hot components may cause in-

jury!

In particular, never touch the compres-

sor and cables while operational and for

some time thereafter, as they may still

be hot.

Danger! Risk of poisoning from coolant

gases created under the influence of

heat.

When carrying out welding and solder-

ing work on the coolant circuit, use pro-

tective gloves and breathing apparatus

with a filter. In case of major leaks, stop

smoking immediately. Avoid fire and na-

ked flames.

Danger! Risk of injury from incorrect in-

stallation.

Installation of the coolant lines and other

media connections must only be carried

out by qualified plumbers or cooling

technology specialists.

Danger! Threat to the environment from

escaping coolant!

Never allow the coolant to escape into

the environment if at all possible (see

section2.3.3 "F-gas regulation").

Danger! Injury due to falling loads!

Do not stand under suspended loads

when transporting the unit with a hoist

trolley, a forklift, or a crane.

Warning! Danger of cut wounds, espe-

cially from the sharp edges of the fan

module and heat exchanger modules!

Put on protective gloves before begin-

ning assembly or cleaning work!

Warning! Injuries from escaping coolant!

Escaping gas may freeze the skin. Be-

fore working on the cooling circuit, put

on protective gloves and goggles.

Caution! Risk of malfunction or damage!

Do not modify the unit! Use only original

spare parts!

Rittal Liquid Cooling Package 7

2 Safety instructions

The electrical equipment protection devices must be

– adequate and useful for the intended use;

– placed correctly;

– easily identifiable which part(s) or circuit(s) of the

equipment is (are) affected (e.g. where necessary, with

durable marking).

Appropriate means must be provided to prevent unin-

tentional and/or erroneous closure of such devices from

the control unit or from other locations.

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 LCP DX, in order to avoid acci-

dents:

1. Switch off!

Switch off the LCP DX at the master switch.

2. Prevent reactivation!

3. Ensure that all poles are de-energised!

4. Earth and short-circuit!

5. Cover or shield adjacent, live parts

2.2 Service and technical staff

The installation, commissioning, maintenance and repair

of this unit may only be carried out by trained, qualified

mechanical and electro-technical personnel.

Only properly instructed personnel may service a unit

while in operation.

2.2.1 Personal safety equipment

Personal safety equipment is to be worn during any

work on this unit when personnel might come into con-

tact with refrigerant and in general for all maintenance

work (see section 16.1 "Coolant information"). As a min-

imum requirement, personal safety equipment is com-

prised of the following components:

– thermally insulated gloves

– protective goggles

– in the event of fire, airtight respiratory masks must be

worn.

2.3 Operator requirements

In accordance with EU Regulation 517/2014, the oper-

ator must carry out a leak test of the coolant circuit using

a suitable test device at least once a year. Any leaks that

are detected must be repaired immediately.

2.3.1 Abbreviated instructions

The operator must ensure that abbreviated instructions

containing the following information are available in a

readily accessible location on the LCP DX.

1. Name, address and telephone number of the instal-

lation company, its customer service department, or

the customer service department of the owner/op-

erator, or as a minimum requirement, the individual

responsible for the cooling system, together with the

address and telephone number of the fire brigade,

police, hospitals and burn victims centres.

2. Type of refrigerant: R410A, comprising 50% di-

fluormethane R32 (CH2F2) and 50% R125 pen-

tafluoroethane (C2HF5);

3. Instructions for switching off the cooling system in

an emergency (see section 7.2.3 "Switching off in an

emergency");

4. The maximum permissible pressures (see

section 11 "Technical specifications").

2.3.2 System log

Under DIN EN 378, the operator is required to keep a

system log and ensure that it is regularly updated. The

system log should contain the following information:

1. Details of all repair work

2. Quantity and type (new, reused or recycled) of refrig-

erant added, quantity of refrigerant removed

3. Outcome of any analysis of reused refrigerant, if

available

Caution! Risk of malfunction or damage!

Proper and flawless unit operation can

only be ensured when it is operated un-

der the intended ambient conditions. As

far as possible, observe the ambient

conditions for which the unit was de-

signed, e.g. temperature, humidity, air

purity.

Caution! Risk of malfunction or damage!

All media required for the control sys-

tem, such as the correct fill volume of

coolant, must be available throughout

the entire operating period of the device.

Caution! Risk of malfunction or damage!

Installation, and in particular the coolant

line pipework between the external con-

denser and the LCP DX, must only be

carried out by trained, qualified and ac-

credited cooling system specialists.

Caution! Risk of malfunction or damage!

In order to prevent EMC-related mal-

functions during operation, and to allow

access for servicing purposes, cross-

wiring through the LCP DX to the bayed

racks is prohibited.

Note:

Rittal offers leak testing of the device as a

service.

2 Safety instructions

8Rittal Liquid Cooling Package

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 (EC) No. 517/2014 of the European Parlia-

ment and of the Council of 16 April 2014 on certain fluor-

inated greenhouse gases entered into force on 9 June

2014. The Regulation regulates the reduction of emis-

sions, the use, recovery and destruction of certain fluor-

inated greenhouse gases, and the labelling and disposal

of products and equipment containing such gases.

Leak test pursuant to Article 4 (leak checks)

The leak checks shall be carried out with the following

frequency, depending on the CO2 equivalent quantities

of fluorinated greenhouse gases.

–5t–50tat 12-month intervals, (or where a leakage

detection system is installed, at least every

24 months),

–50 t – 500 t at 6-month intervals, (or where a leakage

detection system is installed, at least every

12 months),

–more than 500 t at 3-month intervals, (or where a

leakage detection system is installed, at least every

6 months).

2.3.4 Chemicals – Climate Protection Ordinance

This Ordinance applies in addition to the aforementioned

Regulation (EC) No. 517/2014 of the European Parlia-

ment and of the Council of 16 April 2014.

2.4 RoHS compliance

The LCP 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 1 July 2011.

Note:

Corresponding information about the RoHS

Directive may be found on our website at

www.rittal.com/RoHS.

Rittal Liquid Cooling Package 9

3 Device description

3.1 General functional description

The Liquid Cooling Package DX (DX = Direct Expansion)

is essentially a split air conditioning unit used to dissipate

high heat losses from server enclosures or for the effec-

tive cooling of devices built into a server enclosure.

The air routing in the LCP DX supports the "front to

back" cooling principle of the devices built into the server

enclosure. The hot air expelled by the devices in the

server enclosure is drawn in by the fans at the rear di-

rectly from the server enclosure (LCP Rack DX) or from

the hot aisle (LCP Inline DX) and thus routed through the

heat exchanger module.

In the heat exchanger module, the heated air is directed

through a heat exchanger (coolant evaporator), and its

thermal energy (heat losses from the server) is trans-

ferred to the coolant. This causes the coolant to change

from a liquid to a gaseous state. As a result, the air is

cooled to a freely selectable temperature within the au-

thorised parameters and then routed directly in front of

the 482.6 mm (19") level in the server enclosure (LCP

Rack DX) or into the cold aisle (LCP Inline DX).

In its delivered state, cold air from the LCP Inline DX is

expelled to the front; it is also possible to expel the cold

air on both sides, or by mounting a side panel, at one

side of the device.

Fig. 1: Air routing on the LCP Rack DX – top view

Key

1 Air inlet

2 Heat exchanger

3Airoutlet

4Fanmodule

5 2nd air inlet

6 2nd air outlet

Fig. 2: Air routing on the LCP Inline DX – top view

Key

1 Air inlet

2 Heat exchanger

3Fanmodule

4Airoutlet

The temperature of the impelled cold air is controlled by

continuously comparing the actual temperature with the

setpoint temperature (preset to +22°C).

If the actual temperature exceeds the setpoint tempera-

ture, the speed of the compressor is automatically in-

creased, providing a greater cooling output from the

heat exchanger, until the setpoint temperature is

reached.

The temperature differential between the setpoint and

the warm air intake is used to calculate and control the

fan speed.

Any condensate incurred is collected in the condensate

collecting tray integrated into the LCP DX below the heat

exchanger, and from there is routed outside via a con-

densate discharge hose.

3.2 Air routing

3.2.1 General

In order to achieve sufficient cooling in the server enclo-

sure, it is important to ensure that the cooling air passes

through the interior of the built-in units and is unable to

flow past at the sides.

Targeted air routing inside the server enclosure has a

major effect on the heat loss to be dissipated.

3 Device description

10 Rittal Liquid Cooling Package

In order to ensure targeted air routing in the system, the

server enclosure should be divided vertically into warm

air and cold air sections. The division is accomplished in

the front section of the server assembly to the left and

right of the 482.6 mm (19") level using foam strips or air

baffle plates which, depending on the enclosure width

and the number of server enclosures to be cooled, can

be ordered as an accessory (see section 13 "Accesso-

ries").

If devices which require sideways air throughput are also

built into the server enclosure (e.g. switches, router,

etc.), these may be cooled by means of targeted place-

ment of the foam strips or air baffle plates.

3.2.2 LCP Rack DX

The LCP Rack DX may optionally be bayed on the right

or left of a server enclosure or between two server en-

closures, according to preference.

Fig. 3: LCP Rack DX on two server enclosures

Together with the bayed server enclosure, the LCP

Rack DX forms an airtight cooling system with horizontal

air routing. It places no additional demands on the

room's climate control system.

Fig. 4: Air routing with a bayed server enclosure – top view

Key

1 Server enclosure

2LCPRackDX

Fig. 5: Air routing with two bayed server enclosures – top view

Key

1 Server enclosure

2LCPRackDX

The system consisting of the LCP Rack DX and the serv-

er enclosure should be sealed as effectively as possible

in order to prevent the loss of cooling air. To accomplish

this, the enclosure is equipped with side panels, roof and

gland plates. Any existing cable entries should be sealed

e.g. using suitable brush strips.

Whilst the system is in operation, both the front and the

rear doors should be kept completely shut.

Note:

The 482.6 mm (19") level must likewise be

completely sealed. This is already the case in

a fully equipped server enclosure. With a par-

tially configured server enclosure, the open

height units (U) of the 482.6 mm (19") level

must be sealed with blanking plates, which

are available as Rittal accessories (see

section 13 "Accessories").

The more devices are installed in the server

enclosure, the more important it becomes to

follow this specification.

IT rack

211

IT rack IT rack

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