Emerson Liebert XDFN manual

SER VICE MANUAL English Cod. 272823 Rev . 28.03.2008 XDFN Closed Loop Cooling for High Density Racks Precision Cooling for Business−Critical Continuity[...]

[...]

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Caution We recommend that: S the manual is retained for the entire service life of the machine; S the user reads the manually carefully before carrying out any operations on the machine; S th e control is used exclusively for the purpose for which it is intended; incorrect use [...]

f c a b e d Digit Configuration Digit and Configuration The user will configure the system choosing in between the following alternatives. The basic system is composed by six pieces to be precisely defined: a. Air conditioner b. Base module air conditioner c. T op plenum air conditioner d. Rack e. Base module rack f. T op plenum rack Air conditione[...]

1 3 2 5 6 4 C B M Base module air conditioner Digit 4 − Dampers L On left side R On right side 2 Both sides Digit 5 − Free 0 Digit 6 − Special Requirements 0 None X Special requirement Digit 1, 2 and 3 CBM 1 3 2 5 6 4 T op plenum air conditioner C T P Digit 4 − Free 0 Digit 5 − Free 0 Digit 6 − Special Requirements 0 None X Special requ[...]

1 3 2 5 6 Digit 1, 2 and 3 RAC 4 Rack 8 9 7 10 11 13 14 12 15 R A C Digit 4 − Fr ont door and configuration 3 All height transparent door , with top plenum 2 All height solid door , with top plenum 1 Short transparent door 0 Short solid door Digit 5 − Base module 1 Base module with backup ventilation 0 Without base module Digit 6 − Fire Detec[...]

English Index 1 − Preliminary operations 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 − P acking (see Fig. 1 − Enclosures H) 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

[...]

1 English XDFN 1 − Preliminary operations 1.1 − Packing (see Fig. 1 − Enclosures H) The units are usually packed on a wooden pallet (1), with shockproof angle pieces in pressed cardboard (2, 3, 4)/po- lystyrene (5), panels in cardboard (6)/polystyrene (7) and fle xibl e polythene film (8). Base module and plenum are packed in pressed carboard[...]

2 English XDFN 3 − P ositioning The units are available in the configurations shown below . Fig. b − Basic configuration air path (one rack, one air conditioner) Fig. c − F ull redundancy configuration air path (one rack, two air conditioners) Fig. d − Advanced redundancy configuration air path (n racks, n+1 air conditioners) RACK AC UNIT R[...]

3 English XDFN 4 − Installation A TTENTION : T h e conditioner must never be installed out of doors. See drawings in Enclosures C . 4.1 − Base module If there is no raised floor below the unit it is recommended to choose rear connections. See also information on Enclosure D−1. 5 − Refrigeration connections 5.1 − Refrigeration pipeline con[...]

4 English XDFN T ab. a − Condenser positioning CONDENSER POSITION CONDENSER ABOVE CONDITIONER CONDENSER AND CONDITIONER AT SAME LEVEL CONDENSER BELOW CONDITIONER (not recommended) gas int. necessary necessary necessary INSULA- gas ext. only for aesthetic reasons only for aesthetic reasons only for aesthetic reasons INSULA- TION liq int. absolutel[...]

5 English XDFN T ab. c − Weight of refrigerant contained in piping during operation EXTERNAL PIPE DIAMETER (*) liquid (+), at different condensing temperatures liquid (+), at different condensing temperatures DIAMETER ( mm ) gas (*) R407C (kg/m) R22 (kg/m) (mm) 35.0 _ C 46.0 _ C 57.0 _ C 35.0 _ C 46.0 _ C 57.0 _ C 10 x 1 0.0031 0.06 0.06 0.05 0.0[...]

6 English XDFN 5.2 − V acuum creation and refrigerant charge Check the refrigerant type to be used on the data plate of the air conditioner and on the refrigerating compressor . Fig. f − Pump and refrigerant charging cylinder con- nection for vac uum creation and refrigerant charge R.L . 10 10a 11 11a 14 12 10b 5.2.1 − R407C precharge (A vers[...]

7 English XDFN 6.2 − Water connections − Condensate drain (Fig. g ) : S U se galvanized steel, PVC or flexible polythene tub- ing. S All ow a 2% gradient towards the drain. S There must be a drain trap (1) placed on the rear side of the air condizioner base module. S Fill the drain trap with water (2). Fig. g − Condensate drain BRACKET to be [...]

8 English XDFN Fig. h − Advised Dry cooler Installation APPLIANCE TS HTC Stand−by pump disconnect after charge filling water (optional) HTC TS shut−off valve pump non−return valve manometer thermostat Variex (opt.) safety valve expansion tank air separator charge group (filter , reducer , non−return valve) filling meter drain (at lowest p[...]

9 English XDFN 7.1.3 − Protection degree IP2x check Af te r whole of the connections and installation works, check and verify the protection degree IP2x (protection against fin- ger access, std. IEC 60364−1) at the boundary of the air conditioner . 7.1.4 − Protective features of EC fan Th e EC fan has been provided with the following protecti[...]

10 English XDFN 6) Verify the operation of the crankcase heater . 7) Check that there are no water leakages. 8) Close all MCBs on the electrical panel. 9) Check the supply voltage on all phases. 10) ENSURE THAT THE COMPRESSOR HAS BEEN PRE- HEATED FOR AT LEAST 4 HOURS BEFORE ST ART- ING THE UNIT . 11) Start the air conditioner by pressing the specif[...]

11 English XDFN move the bridges N1−N8 and R1−R8, and connect th e terminals R8−N8−PE (230V ac 50Hz) to the UPS. P art two P ower s upply the auxiliary circuits of air condition ers switch- ing on the relative magnetic circuit breaker (MCB) 5) In the air conditioners Hirobus network, make sure to have set via Hiromat ic: a) number of c oo l[...]

12 English XDFN through the evaporator , thus cooling the air passing over it . F or fan and compressor operation see Control manu- al. Chilled water mode (CW) The chilled water flows through the chilled valve coil, t hu s cooling the air passing over it. The chilled water flow is controlled by a 0−10 Vdc proportional valve, which regulates the f[...]

13 English XDFN 12 − M aintenanc e/Spare P arts 12.1 − Safety instructions All maintenance operations must be carried out strictly ob- serving the European and National accident prevention reg- ulations. We refer especially to the accident prevention regu- lations concerning electrical systems, refrigerators, and manufacturing resources. Mainte[...]

14 English XDFN Maintenance schedule MAINTENANCE PERIOD EVERY COMPONENT 1 Month 3 Months 6 Months 1 Y ear FAN S Check for soiling, damage, corrosion, and proper fixing. X FAN S Attention do not Check bearings noise. X Att en ti on, d o no t reach into the fan while the fan Check blower balancing. Vibrations (mm/s). X reach into the fan while the fa[...]

15 Eng lish XDFN 12.5 - - - Refrigeration circ uit WHEN REP AIRING THE RE FRIGERATION C IRCU IT COL LE CT A LL RE FR IGE RA NT I N A CO NT AIN ER: DO NOT ALLOW IT TO ES CAP E. S When either removing (for repairs) or charging ref riger- ant this m ust always be done on both the high and low pressure side s of the com pressor simulta neously . S The [...]

16 Eng lish XDFN e. Recovery for t he p urpose of recycling, reclama - tion or destruction of t he fluorinated greenhouse gases, pursuant t o Art. 4 (Recovery ) of Reg.842/2006, shall take place b efore the final di spos al of t hat eq ui pmen t an d, w hen ap pr opri - ate, during its servic ing and maintenan ce. S Opera tor , according to Reg. 84[...]

A − 1 English XDFN App. A − HUMID AIR humidifier A.1 − Preface The HUMIDAIR represents the best humidifier technology avail able, guaranteeing the steam as clean as possible to- get her with simple maintenance. In order to obtain optimum performance from the HUMID- AIR it is advisable to read this manual carefully . T ab. a − Humidair speci[...]

A − 2 English XDFN Fig. b − Drain water connection L K DRAIN WA TER DEVICE Dispose the drain water into an ordinary drainage net- work, using a funnel (the drainage network must be able to withstand water tem- peratures up to 100 °C). WA TER DRAIN TUBING It is supplied a hose with an inte- gral drain trap. DO NOT DISMANTLE THE DRAIN TRAP . S D[...]

A − 3 English XDFN A.4 − Start−up and operation A.4.1 − Start−up Bef ore using the humidifier , check the following: S Supply and drain connections. S That the cut−off tap is open. S All wiring. S Earthing. S Steam hose connection between steam cylinder and distributor . T o start the humidifier simply switch on the air conditioner , wh[...]

A − 4 English XDFN A.6 − Humidifier spare part list It is recommended the use of original spare parts. When p l ac i n g an order quote the part code, as well as the air condi- tioner mo del no. and serial no. POSITION (see Fig. c ) CODE DESCRIPTION Humidair Model K UECLA Notes C 141090 Steam cylinder CLA 1 (*) T Drain tank 1 U Filling cup 1 K [...]

T echnical data table XDFN B − 1 English T ab. 2 − Electrical data Configuration Model Po we r supply FLA [A] LRA [A] RESIDUAL−CURRENT CIRCUIT BREAKERS I n n = 0.3A (400V) X13UA /W 18.0 58.0 25A Cooling + Electrical heating X17UA /W 50 Hz 18.2 71.0 25A g heating Fan + compressor + X20UA /W 50 H z 3Ph / 4 00V + N PE 18.8 79.0 25A F an + compre[...]

T echnical data table English B − 2 XDFN T ab. 7 − Calibrations of electrical components COMPONENT SET TING NOTES Contact Low Pressure Switch (LP) STOP 2 barg ST ART 2.8 barg DIFFER. (fixed) 0.8 bar (fixed setting − automatic re- set) Delayed automatic reset (see MICROFACE/ HIROMA TIC manual) Normally closed High Pressure Switch (HP) STOP 26 [...]

T echnical data table XDFN B − 3 English T ab. 8 − R407C/R22 refrigerant and oil charge for air cooled models (A type) BASE REFRIGERANT CHARGE ( 2 ) BASE OIL CHARGE ( 1 ) (liters) MODEL BASE REFRIGERANT CHARGE ( 2 ) [kg − each circuit] oil within compressor [kg − each ci r c u it] initial oil charge Max topping up X13UA 4.8 1.36 1.24 X17UA [...]

Installation drawings C − 1 XDFN English Space requirement (one) Fi rs t be sure to have the space in your area available, and the holes on the raised floor for electrical, refrigerant connections and data cables. Fig. 1 Hole on the raised floor for piping and electrical connections COOLING MODULE Fig. 2 Holes on the raised floor for electrical c[...]

Installation drawings C − 2 XDFN English Space requirement (two) Room requir ed for the basic cooling column. Please multiply by all the planned modules. 2400 1950 225 225 CTP TOP PLENUM AIR CONDITIONER CBM BASE MODULE AIR CONDITIONER X...U A/W/C AIR CONDITIONER Fig. 3 Overall dimensions Cooling module components Fig. 4 Service Area Cooling modul[...]

Installation drawings C − 3 XDFN English Space requirement (three) Room r equired for the basic rack module. Please multiply by all the planned columns. Fig. 5 Overall dimensions Rack module components 1950 225 225 2400 150 RTP TOP PLENUM RACK RAC ... RACK UNIT RBM BASE MODULE RACK SERVICE AREA (BACK UP VENTILATION) Fig. 6 Service Area Rack modul[...]

Installation drawings C − 4 XDFN English Building the system (one) Fir st locate the two base modules, as shown in the drawing. A gasket must be applied on the connecting surface. Fig. 7 Step 1 LA TERAL P ANEL CLOSED BASE MODUL (AC UNIT) WASHER D . 8 x 32 DOWEL M8 x 40 SCREW M8 x 40 GASKET SELF LOCKING NUT M8 LATERAL P ANEL T o be closed if end o[...]

Installation drawings C − 5 XDFN English Building the system (two) Th e rack will be located over the corresponding base module. And then the cooling module. Between the pieces the gasket. Fig. 8 Step 2 SELF LOCKI NG NUT M8 WASHER D . 8.4 x 17 GASKET GASKET RACK RACK AC UNIT SELF LOCKING NUT M8 WASHER D . 8.4 x 17 see detail B for gasket location[...]

Installation drawings C − 6 XDFN English 275 330 335 260 850 750 119 856 225 DET AIL B − TOP VIEW S gasket location: see the sectioned lines S gasket thickness: 3 mm 20 1950 BASE MODULE DET AIL C − LATERAL VIEW S gasket location: see the sectioned lines S gasket thickness: 3 mm[...]

Installation drawings C − 7 XDFN English Building the system (three) Th e rack top plenum will be placed on the top. In between the gasket. Fig. 9 Step 3 SELF LOCKI NG NUT M8 WASHER D . 8.4 x 17 GASKET RACK AC UNIT TOP MODUL (RACK) DOWEL M8 x 40 LATERAL P ANEL CLOSED GASKET see detail D for gasket location[...]

Installation drawings C − 8 XDFN English Building the system (four) T he air conditioner top plenum will be placed on the top. In be- tween the gasket. Fig. 10 Step 4 SELF LOCKI NG NUT M8 WASHER D . 8.4 x 17 RACK AC UNIT GASKET WASHER D . 8.4 x 32 SCREW M8 x 40 LATERAL P ANEL to be closed if end of system TOP MODUL (AC UNIT) SELF LOCKING NUT M8 L[...]

Installation drawings C − 9 XDFN English DEA TIL E − LATERAL VIEW S gasket location: see the sectioned lines S gasket thickness: 3 mm DET AIL D − TOP VIEW S gasket location: see the sectioned lines S gasket thickness: 3 mm 15 1170 15 225 258 719 223 235 735 230 850 750[...]

Refrigerant and hydraulic connections D −1 XDFN English Fig. 1 Connections COOLING MODULE B DET . A A 125 DET . B LA TERAL VIEW REAR VIEW TOP VIEW BOTTOM CONNECTIONS IL IWC ICW OG OWG OCW HD HF CD EC EC 183 60 7 0 180 60 296,5 514 CONNECTIONS (*) FRONT UNIT REAR VIEW DET . B INTERNAL AIR CONDITIONER CONNECTIONS IL IWC ICW OG OWG OCW HD HF CD EC E[...]

Refrigerant and hydraulic connections D −2 XDFN English Fig. 2 Connections RACK MODULE Sealed holes (dia . 63 mm) for power and data cables. T wo supplied seals: one for 9 cables max dia. 10,5 mm; one for 4 cables max dia. 16,5 mm. The remaining four holes are supplied with simple gland cable. LA TERAL VIEW TOP VIEW FRONT VIEW BOTTOM CONNECTIONS [...]

Refrigeration circuits E − 1 XDFN English Fig. 1 XDFN XxxUA SUPPL Y LIMIT CONDENSING UNIT 2 4 4 MC 16 1 12 3 15 5 FG 8 9 10 6 19 20 13 6 18 21 7 11 17 6 13 T 13 11 12 14 T 6 POS. DESCRIPTION 1 Capacity modulating compressor 2 Crankcase heater 3 High pressure switch (HP) 4 Air cooled condenser 5 Liquid receiver 6 Access valve 7 Safety valve 8 Filt[...]

Refrigeration circuits E − 2 XDFN English Fig. 2 XDFN XxxUW 2 4 4 MC 6 16 1 3 6 15 5 FG 9 10 6 19 20 7 17 A B AB 8 6 COOLING WA TER INLET COOLIN G WA TER OUTLET 11 12 18 21 T 6 13 14 T POS. DESCRIPTION 1 Capacity modulating compressor 2 Crankcase heater 3 High pressure switch (HP) 4 Water cooled condenser 5 Liquid receiver 6 Access valve 7 Safety[...]

Refrigeration circuits E − 3 XDFN English Fig. 3 XDFN XxxUC 2 1 CHILLED W A TER INLET CHILLED WA TER OUTLET SUPPL Y LIMIT SUPPL Y LIMIT T 4 3 POS. Standard components 1 Chilled water coil 2 Chilled water 3−way valve 3 Manual bleed valve 4 W ater temperature sensor[...]

Electrical connections F − 1 XDFN English Fig. 1 Air conditioner electrical power supply (400V−3ph−50 Hz + N + EARTH) Auxili ary contact cable for back up ventilation enabling: connect to ter- minals 1−12 of terminal block lo- cated inside rack electrical panel REAR VIEW Air conditioner main supply connec- tion terminal block and condensing[...]

Electrical connections F − 2 XDFN English Fig. 2 Rack electrical power supply (230V−1ph−50 Hz + EARTH) BACK UP VENTILATION F ANS ELECTRICAL P ANEL BACK UP VENTILATION DAMPER PE N1 L1 Power supply to be connected to terminal block Back−up ventilation fans terminal block Damper back−up ventilation connection terminal block Rack electrical p[...]

Electrical connections F − 3 XDFN English Fig. 3 Rack electrical panel location FRON T VIEW Electrical panel Fig. 4 Rack power strips and PDU location (optional) REAR V IEW (without door) Power strips (optional) PDU (optional) Fig. 5 Rack smoke warning sensor (optional) location REAR V IEW Smoke W arning Sensor (optional) RJ45 (8 poles) connectio[...]

Maintenance G − 1 XDFN English Fig. 1 Air conditioner column ELECTRIC HE ATERS THERMOST A T MANU AL RESET AIR FIL TER MAINTENANCE EC FAN MAINTENANCE, CONDENSING CONTROL DEVICE (A VERSION) REFRIGERANT LINE SERVICE AREA MAINTENANCE FOR: COMPRESSOR, ELECTRONIC EXP . VAL VE, HUMIDIFIER OPTION, ELECTRICAL HEATING, HIGH PRESSURE PRES SO ST AT , CONDENS[...]

Maintenance G − 2 XDFN English Fig. 2 Rack unit BACK UP VENTILA TION FANS MAINTENANCE ELECTRICAL P ANEL BACK UP VENTILATION DAMPER MAINTENANCE FRONT VIEW[...]

P acking H − 1 XDFN English 4 5 3 2 6 1 7 8 B Fig. 1 Standard packing Air conditioner / Rack with or without base module D Fig. 2 Standard packing Plenum and/or Base module T ab. a − Available packages following the required configuration. − Dimensions DESCRIPTION − Re Fig 1 Dimensions (mm) DESCRIPTION − R e. Fi g. 1 A B Air Conditioner ([...]

[...]

Printed in Italy by Liebert H IRO SS S.p A. Issued by T.D. Servi ce Sinc e the Liebert H IRO SS Company has a polic y of c ontinuous produc t improv ement, it res erves the ri ght to change des ign and spec ific ations w ithout prev ious notic e. Il Fabbricante dichi ara che questo prodotto è conforme alle d irett ive Europee: The Manufac turer he[...]

Emerson Network Power EMEA Liebert Hiross Headquarters Via Leonar do da Vinci, 16/18 35028 - Piove di Sacc o (PD) - Italy tel. +39 049 9719111 fax +39 0495841257 www .eu.emersonnetworkpower .com mark eting.emea@e mersonnetworkpower .com Emerson Network Power EMEA Global Service Via Leonar do da Vinci, 16/18 35028 - Piove di Sacc o (PD) - Italy tel.[...]