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SERVICE MANUAL

1. AVAILABLE PLENUM HEIGHTS B mm A Models x Plenum for Plenum for high Plenum with frontal mm Simple plenum silencing cartridges efficiency filters airflow OVER only S04 05 400 S07 10 12 500 13 17 20 23 750 500 600 700 800 500 600 700 600 M25 29 850 900 1000 100 1200 600 900 1200 800 900 M31 34 35 41 850 42 47 50 58 66 600 700 800 L83 99 890 900 1000 100 1200 600 700 800 900 C 1 Liebert HPM A W F D H English Installation drawings WEIGHTS kg MODELS Versions A W F D H K A K W S04 160 165 S05 170 175 S07 195 200 200 205 S10 210 215 215 220 12 215 222 222 229 13 240 247 247 254 17 250 260 290 280 290 260 270 20 260 270 310 300 310 270 280 23 270 280 320 310 320 280 290 M25 415 425 510 500 510 425 435 M29 420 430 M31 565 575 715 705 715 M34 580 590 725 715 725 M35 570 580 720 710 720 M41 585 600 730 715 730 M42 585 600 745 730 745 M47 605 620 740 725 740 M50 620 635 755 740 755 M58 625 650 770 745 770 M66 645 670 L83 925 950 1140 1115 1140 L99 975 1000 English Liebert HPM A W F D H C 2 Installation drawings Fig 5 Air inlet and outlet hole for plenum connection S04 12 Models nr 4 4 5 2 mm q 4 amp nr 4 4 95 2mm Es s
2. Autotrasformer outlet voltage Configuration Model pe cone c Sta Dehumidification ngara Under Over K G L S04xA W 1Ph 140 120 S05xA W 1Ph 160 140 SO7xA W 1Ph 170 130 150 S10xA W 1Ph 200 170 185 S12xA W 1Ph 215 185 200 S13xA W 3Ph Y 260 220 S17xA W 3Ph Y 290 260 S20xA W 3Ph Y 220 190 S23xA W 3Ph Y 290 260 UNDER U M25xA W 3Ph Y 220 190 OVER 0 M29xA W 3Ph Y 290 260 CONSTANT K L M31xA W 3Ph A 220 190 GRILLE G M34xA W 3Ph A 260 220 M35xA W 3Ph A 260 220 M41xA W 3Ph Y 220 190 M42xA W 3Ph Y 220 190 M47xA W 3Ph Y 260 220 M50xA W 3Ph Y 260 220 M58xA W 3Ph Y 290 260 M66xA W 3Ph Y 330 290 L83UA W 3Ph A 330 290 L99UA W 3Ph A 360 330 S17xF D H 3Ph Y 290 260 S20xF D H 3Ph Y 220 190 S23xF D H 3Ph Y 290 260 M25xF D H 3Ph Y 290 260 M31xF D H 8Ph A 260 220 M34xF D H 3Ph A 290 260 UNDER F D H M35xF D H 3Ph A 290 260 COMERME DIO M41xF D H 3Ph Y 260 220 M42xF D H 3Ph Y 260 220 M47xF D H 3Ph Y 290 260 M50xF D H 3Ph Y 290 260 M58xF D H 3Ph Y 330 290 L83UF D H 3Ph A 330 290 S04DxA W 1Ph 120 120 SO5DxA W 1Ph 140 120 S07DxA W 1Ph 150 130 S10DxA W 1Ph 185 170 S12DxA W 1Ph 200 185 DISPLACEMENT D S13DxA W 3Ph Y 220 190 S17DxA W 3Ph Y 260 220 S20DxA W 3Ph Y 190 150 S23DxA W 3Ph Y 260 220 M25DxA W 3Ph Y 190 190 M
3. UA 10 11 12 13 14 15 16 17 Digit 5 Version I A Air Cooled Digit 4 W Water Cooled gs F Freecooling EE ER D Dualfluid Air Cooled U Downflow H Dualfluid Water Cooled O Upflow D Displacement G Frontal Upflow Other Configurations K Constant Upflow only L Constant Top Frontal Flow only Digit 12 Air Filter Efficiency 0 G4 1 F5 2 Gd with Clogged Filter Pressure Switch 3 F5 with Clogged Filter Pressure Switch Digit 13 Refrigerant 0 R407C 1 R22 Digit 14 Paint 0 RAL 7035 Colour 1 CHARCOAL GREY Colour 2 BLACK Emerson 7021 Colour Digit 15 On board MCB for Remote Air Condenser 0 NoMCB 1 MCB 6 A single circuit condenser 2 MCB 10 A single circuit condenser Digit 16 Packing For S04 S05 S07 810 and S12xx units F PLP and Pallet G PLP and Wooden Crate M Seaworthy For all other units P PLP and Pallet C PLP and Wooden Crate S Seaworthy Digit 17 Special Requirements Q Standard Emerson Network Power X Special Emerson Network Power Index 1 Preliminary operations co oococoocococococooccocococococcooccococoanana nana nan R R RE 1 gt Inspection sermien eer Prep SEGA eC eer pepe ne ddr andy PM ee espere LE pa 1 125 Handling taire SEED ec eee vedete e A DEOR RE ME 1 1 3 Operating Ta CEET 1 1 4 Noise level limits o BE Br ER ERE erp REV eee i ehe Ma heads 1 2 Positioning EC A RE What xe ades i hs a 3 3
4. Fig 6 Refrigerant water and electrical connections Liebert HPM M34 66 doublecircuit Plan view 0 1750 6 1285 1505 1710 850 CD 705 no 5 holes 48 OWC2 IWC2 0G2 IL2 330 HE brar 330 Sti 280 293 HD 190 OWC1 lt 150 LN eZI 150 s EC OFCF Fe OFC 944 FC u 70 Qo 0 0 e 70 800 870 1348 1435 0 100 180 1375 1465 1565 1655 1750 Precut holes ue UNIT FRONT v v Version Models Unit Connection A w D i F M34 42 50 58 66 IL1 Refrigerant liquid line inlet 1 OD 16 mm OD 16 mm M34 42 50 58 66 IL2 Refrigerant liquid line inlet 2 OD 16 mm OD 16 mm M34 42 50 58 66 0G1 Refrigerant gas line outtlet 1 OD 18 mm OD 18 mm M34 42 50 58 66 0G2 Refrigerant gas line outlet 2 OD 18 mm OD 18 mm M34 42 3 4 GAS F 3 4 GAS F M50 58 66 ING Water to condenser 1 inlet 1 1 4 GAS F 1 1 4 GAS F M34 42 3 4 GAS F 3 4 GAS F M50 58 66 Iwc2 Water to condenser 2 inlet 14 4 GAS F 14 4 GAS F M34 42 3 4 GAS F 3 4 GAS F M50 58 66 OWC1 Water from condenser 1 outlet 144 GAS F 144 GAS F M34 42 3 4 GAS F 3 4 GAS F M50 58 66 owc2 Water from condenser 2 outlet 144 GAS F 144 GAS F Mxx IHW Hot water inlet opt OD 22 mm Mxx OHW Hot water outlet opt OD 22 mm M34 IFC F 14 4 GAS F Ma2 50 58 IFC F Water inlet to Freecooling 112 GASF M34 OFC F 14 4 GAS F Ma2 50 58 OFC F Water outlet from Freecooling 14 2 GASF M34 IFC D H 14 4 GAS F 1 1 4
5. o IE 7 MEN IN English Liebert HPM A W F D H E 3 Refrigeration circuits Fig 4 Liebert HPM Sxx U O W SUPPLY LIMIT COOLING WATER INLET COOLING WATER OUTLET EIN BE valve OO E LS 9 smoes E 4 Liebert HPM A W F D H SUPPLY LIMIT DESCRIPTION Hot gas ON OFF solenoid valve optional Reheating coil optional Low pressure switch LP Water solenoid valve by the customer English Refrigeration circuits Fig 5 Liebert HPM M25 47 U O W COOLING WATER OUTLET SUPPLY LIMIT Pos DESCRIPTION High pressure switch HP Water cooled condenser 4 e Access vas De Peme o T 12 18 14 16 17 18 19 REC EE D id RC Ree WS EE NS English Liebert HPM A W F D H DESCRIPTION Hot gas ON OFF solenoid valve optional Check valve Shut off valve Reheating coil optional Low pressure switch LP Shut off solenoid valve Head pressure control valve Water solenoid valve by the customer Refr
6. only with reheating coil optional 4 2 1 R407C precharge A and D 1 Open all cocks of the system including those used for pressurizing ambient unit and condensing unit By this operation all the components of the refrigerating circuit must be subject to vacuum 2 Connect a proper high efficiency vacuum pump 10 suit able for polyester oils to the couplings Compressor intake and delivery using if available the three way Rotalock cocks coupling 1 4 SAE make sure that all three ways are open otherwise the Schrader valves welded on the pipings Three way Rotalock cock coupling 1 4 SAE of the liquid receiver 12 make sure that all three ways are open Schrader coupling 13 fit on the compressor or fan space if the reheating coil option is available 3 Provide for a connection with refrigerant cylinder be fore making vacuum 4 Make the system vacuum up to 0 3 absolute mbar and after 3 hours check if 1 3 absolute mbar have not been exceeded This condition warrants a humidity lower than 50 ppm inside the system If the complete vacuum is not possible this means that there are some leaks to be removed according to the in structionsin 6 below English NEVER USE THE COMPRESSOR TO CREATE A VAC UUM THIS INVALIDATES ITS GUARANTEE 5 Break the vacuum as follows a Close the cock 10a for the vacuum pump 10 b Open the cock of the refrigerant cylinder
7. 10 Liebert HPM A W F D H Low pressure transducer English Refrigeration circuits Fig 11 Liebert HPM L83 U F KB comm ho Oy cond 37 oj 6 9 P 1 MC D los dech SUPPLY LIMIT COOLING WATER INLET COOLING WATER OUTLET ONLY WITH REHEATING COIL OPTION POs DESCRIPTION e Aces valve SSCS E eme i talas POS DESCRIPTION Reheating coil optional Low pressure switch LP injecti anti Safety thermostat Shut off solenoid water valve Shut off valve English Liebert HPM A W F D H 24 Manual bleed valve E 11 Refrigeration circuits Fig 12 Liebert HPM Sxx U O D M25 47 U O D KO YO el X 47 NM AN Oo EO SUPPLY LIMIT CONDENSING UNIT ER 2 Crankcase heater 6 Liege 9 8 L 9 sondas 11 Hot gas ON OFF solenoid valve optional 12 Check valve Shut off valve E 12 Liebert HPM A W F D H CHILLED WATER INLET CHILLED WATER OUTLET DESCRIPTION Reheating coil optional Evaporator Low pressure switch LP 17 Shut off solenoid valve 19 Chilled
8. A Tab c Pipe diameters room unit remote condenser system STANDARD PIPE DIAMETERS alid for equivalent lengths up to 50 m P S p 1 Lay the piping taking note of the following copper tube copper tube Welding external diametre x external diametre x gt MOD thickness mm thickness mm re Us ee Ee rat R407C R22 void butt welds by using sleeves or enlarging one of the pipes using a pipe opener Gas Liquid Gas Liquid e Use silver based solders and the correct appa ee Ld o 2 N n es correct weld as a refrigerant leak or S07 12X1 12X1 12X1 10X1 a faulty weld which leads to a leak later on can S10 12X1 12X1 12X1 12X1 seriously damage the air conditioner S12 14 X1 14X1 14X1 14X1 Always use large radius curves bending radius at 13 14X1 14X1 16X1 16X1 a to pipe diameter Bend the pipes as fol S17 16X1 16X1 16X1 16X1 soft copper by hand or bending device S20 18X1 16X1 22X1 18X1 hard copper use preformed curves Do not S23 22X1 18X1 22X1 18X1 EE when welding so as to mini M25 29 31 22X1 18X1 22X1 18X1 M34 16X1 16X1 16X1 16X1 2 u A a ondensers wi utt welded pipe connections M35 22X1 18x1 28X1 22X1 cut the pipe enlarge it and weld it to the pipeline M41 47 28X1 22X1 28X1 22X1 Condensers with threaded tap connections flange M42 18X1 16X1 22X1 18X1 the pipes and connect M50 58 22X1 18X1 22X1 18X1 RESPECT
9. APms Medis IS Sech 1 Positive difference in height condenser above conditioner 2 Negative difference in height condenser below conditioner Other information in para 5 3 1 4 Noise level limits The sound pressure level in free field at 1 5 m height and 2m in front of the air conditioner with compressor and fan in op erations is less than 70 dBA for all models English The units are available in the four configurations shown below U UNDER O K OVER Downflow Upflow with front air return fg a I I I 1 1 1 D DISPLACEMENT G L GRILLE Frontal air discharge at floor level Frontal upflow with front air return Pa u II 1 S04 05 models English Liebert HPM A W F D H 2 Positioning See overall dimensions and service area drawings in Enclo sures C Note for ducted Over conditioner and with electrical heaters in the case of plenum or duct not supplied by us To avoid overheating of insulation material of a plenum or a duct in the case of a ventilation fault before the safety ther mostat intervention it is mandatory to locate the insulation material at a distance higher than 30 cm from the top of the of the air conditioner 3 Installation ATTENTION The condi
10. 190 COlouw 180 150 BE EC G GJ 80 0 0 o e 0 70 230 420 100 180 280 370 755 1000 Precut holes UNIT FRONT i Version Unit Connection W B T F IL Refrigerant liquid line inlet OD 16 mm OD 16 mm OG Refrigerant gas line outlet OD 18mm OD 18mm IWC Water to condenser inlet 1 GAS F GAS F OWC Water from condenser outlet 1 GAS F GAS F IHW Hot water inlet opt OD 18 mm OHW Hot water outlet opt OD 18 mm IFC Water eng and 1 GAS F GAS F 1 1 4 GAS F OFC Water outer tromi Freecoolingn 1 GAS F GAS F 1 1 4 GAS F CD Condensate drain ID 20 mm HF Humidifier feed opt 1 2 GAS M HD Humidifier drain opt ID 22 mm EC Electrical power supply Hole 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab c on para 4 1 2 English Liebert HPM A W F D H Refrigerant and hydraulic connections Fig 5 Refrigerant water and electrical connections Liebert HPM M31 47singlecircuit Plan view 0 1750 6 1285 1505 1710 850 CD 705 no 5 holes 48 OWC1 IWC1 OG1 IL1 330 HE Era 330 dag 280 293 HD 190 enu S 180 150 l 150 EC OFCp Fe OFC 944 FC u 70 OO 0 e 0 e 70 800 870 1345 1435 0 100 180 1375 1465 1565 1655 1750 Precut h
11. S Ee p IWC2 IL2 E H oy 3 H E 3 S E 60 OWC1 0G1 IWC1 IL1 115 185 ra Bt 2 G 685 60 03 80 89 303 m 2550 UNIT FRONT This must be cut in order to allow access for the pipes and cables Models Unit Connection verion onnecuo A W D H F L83 99 IL1 Refrigerant liquid line inlet 1 OD 18 mm OD 18 mm L83 99 IL2 Refrigerant liquid line inlet 2 OD 18 mm OD 18 mm L83 99 OG1 Refrigerant gas line outlet 1 OD 22 mm OD 22 mm L83 99 0G2 Refrigerant gas line outlet 2 OD 22 mm OD 22 mm L83 99 IWC1 Water to condenser 1 inlet 1 1 4 GAS F 1 1 4 GAS F L83 99 IWC2 Water to condenser 2 inlet 1 1 4 GAS F 1 1 4 GAS F L83 99 OWC1 Water from condenser 1 outlet 1 1 4 GAS F 1 1 4 GAS F L83 99 OWC2 Water from condenser 2 outlet 1 1 4 GAS F 1 1 4 GAS F Lxx IHW Hot water inlet opt OD 22 mm Lxx OHW Hot water outlet opt OD 22 mm L83 IFC F Water inlet to Freecooling 2 1 2 GAS M L83 OFC F Water outlet from Freecooling 2 1 2 GAS M L83 Den Water inlet to Dualfluid 2 1 2 GAS M 2 1 2 GAS M L83 dan Water outlet from Dualfluid 2 1 2 GAS M 2 1 2 GAS M Lxx CD Condensate drain ID 20 mm Lxx HF Humidifier feed opt 1 2 GAS M Lxx HD Humidifier drain opt ID 22 mm Lxx EC Electrical power supply Hole 80 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab c on para 4 1 2 Liebert HPM A W F D H English Refrigerant and hydraulic connect
12. TECH Ati EE 3 3d Base module Wetan ee ha Dna a DELE e E d 3 4 Refrigeration connections 44sssssssssserssrss 3 4 1 Refrigeration pipeline connections A and D beeen nett 3 4 2 Vacuum creation and refrigerant charge een ete 6 43 Refrigeration circuits 4 4 biog padna iia ben Lorna PER be qe me pee ee eh E AANG Nan Ae apa ang ag ela 7 5 Water connections lt cce K 0 R 9 R R 4e RRR RRR RR eee nnns 7 5 1 EEN e CEET 7 5 2 Water conn ctionSs sceler Ba BRA ane Be ER eru ae BEN REY PG 7 5 3 Chilled water connections D and H only Fig e eunana 7 5 4 Coooling water connections W F and H only enan n nenene 7 55 Adding ethylene glycol EELER re nk Ry dp DE ea ae bean aa REGE 8 6 Electrical connections 4 44sssssssssssrrssees 9 6 1 Electrical Connections siei A Ha aw Dik este e oR ad de En Ka ina 9 6 2 Fan Connections fs en AREE Jag a eer RR tne va ama ech rer Puta dd a Eu Eh 9 6 3 Protection degree IP2x check oo r vcrs cinereis orni a e aa a 9 6 4 Protective features of EC fan optional sess esss eeun n runnen aeaaeae 9 7 Starn up vs ieee ook dai nenne 10 7T 1 Firststart up or after long standstill 10 72 Starting and Kel elel rose met p Rp dt SET pP EE 10 7 3 Automa
13. ae lt 70 S13 23 M25 66 Models ES e gt nr 4 4 8 5 2 mm Models Amm Bmm C mm D mm E mm F mm Gmm S04 05 400 128 352 S07 10 12 500 178 452 13 17 20 23 750 206 702 206 695 674 750 M25 29 850 240 802 238 945 924 1000 M31 66 850 240 802 238 1695 1674 1750 L83 99 2485 2460 2550 C 3 Liebert HPM A W F D H English Installation drawings Fig 6 Hole in raised floor BASE FRAME ACCESSORY F E FRONT UNIT Dimensions mm MODELS d B c without base with base without base with base without base with base D E F frame frame frame frame frame frame S04 05 320 390 380 S07 10 12 690 750 420 490 740 480 13 17 20 23 670 740 i E 730 M25 29 930 1000 30 9 lt 500 990 M31 66 1680 1750 770 pu lt 800 749 990 L83 99 2460 2550 805 895 2550 885 CAUTION For UNDER units installed on raised floor inhibit inappropriate access to the unit from the base to not authotized staff i e fixing the floor panels up to 850 mm from the unit Fig 7 Extension hood Fig 8 Over conditioner with electrical heaters Upflow ducted conditioner equipped with electri cal heaters connected to air duct not supplied by Emerson Network Power Pay attention to the position of insulating material gt 30cm AA Wr H
14. reset see iCom manual STOP 26 barg START 20 barg 3 High Pressure Switch HP EE G 0bar GE fixed setting manual re Bag set Reset Clogged filter ES differential pressure switch PET 5 es de Setting ring B 6 Liebert HPM A W F D H English Tab 6 Adjustments and calibrations of valves see Enclosed E Refrigeration circuits Technical data table Refri t librati m Circuit Pos Component on Application Model Drawing Overheating control de 10 Thermostatic valve 5 8K All versions mo d TCBE ee paras 9 1 mod TDEZ gt ALCO Head pressure control Factory calibrated Liebert HPM W 18 valve 13 14 bar F H ee ose Liebert HPM Hot gas injection 3 way ON OFF action con A W F D H ALCO 11 valve trolled by iCom re no 3031RC1287 Reheating mode heating Liebert HPM Constant Hot gas injection 3 way Modulating action y 11 valve controlled by Com M K Siemens Room thermal load 0 10 VDC Constant M3FB15LX control see para 9 3 Hot gas injection 1 Antifreeze protecion in Se MS E Freecooling unit Modulating action 214 22 N B Calibrated at Danfoss iot E 2 C at machine CPCE LG S gA eean start up Liebert HPM Regulating Evaporating pressure screw control KA KW Modulating action 2 way ened water pi see para Liebert HPMF SC GC 19 3 way chilled water Modulating act
15. 11a until the system reaches a pressure value of about 1 bar The refrigerant must be introduced IN and charged by taking only liquid fluid from the cylinder c Atthis point both the vacuum pump and the refriger ant cylinder can be disconnected as follows c1 close the cylinder cock 11a c2 closethe way 1 4 SAE ofthe Rotalock cocks and ofthe connected Schrader valves 6 Inspectall connections joints using a leak detector If a leak is found empty the pipes and the condenser seal the leak and repeat the instructions in 3 6 7 Now the machine is ready for completing the charge and the start up 8 Chargethe refrigerant ONLY LIQUID by means of the charge valve placed at the evaporator inlet 4 2 2 R22 precharge A and D 1 Open all cocks of the system including those used for pressurizing ambient unit and condensing unit By this operation all the components of the refrigerating circuit must be subject to vacuum 2 Connect a proper high efficiency vacuum pump 10 to the couplings for compressor intake and delivery by using if avail able the three way Rotalock cocks coupling 1 4 SAE make sure that all the three ways are open otherwise the Schrader valves welded on the pip ings Three way Rotalock cock coupling 1 4 SAE of the liquid receiver 12 make sure that all three Ways are open Schrader coupling 13 fit on the compressor or fan space if the reheating c
16. 5 5 6 5 5 5 M34xF D H 7 0 6 0 7 0 6 0 M35xF D H 7 0 6 0 7 0 6 0 M41xF D H 8 0 7 0 8 0 7 0 M42xF D H 8 0 7 0 8 0 7 0 M47xF D H 9 0 8 0 9 0 8 0 M50xF D H 9 0 8 0 9 0 8 0 M58xF D H 9 5 8 5 9 5 8 5 L83UF D H 8 5 7 5 NOTE The EC fan settings can be modified acting on the control display see iCom manual English Liebert HPM A W F D H Technical data table Tab 3 Electrical data standard component COMPRESSOR FAN 3Ph 400V 50Hz Compo 3Ph 400V S13 S23 um 230V eer CPNT 20V mon ja STANDARD R407C MOTOR OPTIONAL R22 Nominal Nominal Winding Nominal Model OA FLA LRA power OA FLA LRA power resistance OA FLA LRA power kW kW Ohm kW S04xU O 1 4 1 5 3 1 0 20 5 3 10 0 35 0 1 16 2 25 5 1 10 0 35 0 1 12 S05xU O 14 1 5 3 1 0 23 6 8 11 4 47 0 1 45 1 62 6 6 11 4 47 0 1 40 S07xU O 2 2 2 6 4 9 0 34 4 2 5 6 40 0 2 16 4 83 4 0 5 6 40 0 2 07 S10xU O 2 3 2 6 4 9 0 40 4 8 7 0 46 0 2 51 4 03 4 6 7 0 46 0 2 42 S12xU O 2 4 2 6 4 9 0 43 5 8 10 0 50 0 3 05 3 88 5 8 10 0 50 0 3 06 S13xU O 2 6 2 8 9 9 0 87 5 7 10 0 50 0 2 97 3 88 5 7 10 0 50 0 3 00 S17xU O 2 6 2 8 9 9 0 98 7 5 12 4 65 5 3 82 2 75 7 4 12 4 65 5 3 71 S20xU O 4 6 4 8 19 0 1 50 7 9 12 1 74 0 4 38 2 27 7 8 12 1 74 0 4 32 S23xU O 4 5 4 8 19 0 1 86 11 1 15 9 95 0 5 89 1 80 10 7 15 9 95 0 5 67 M25xU O 4 7 4 8 19 0 1 52 11
17. 6 English Liebert HPM A W F D H 10 11 7 4 Checking the refrigeration piping pres sure drops Liebert HPM is equipped with connections to check the re frigeration piping pressure drops room unit condenser gt room unit To carry out this operation it is necessary to use 2 calibrated manometers and connect them as follows M1 connected to the compressor delivery valve M2 connected to theSchrader valve 2 of Fig i When the compressoris ruuning check M1 and M2 N B Repeat this test inverting the manometers tocalcula te the correct Ap consider the average value of the two readings Refrigeration pipeline Pressure drops Ap bar at 45 C approx RA07C R22 Atthe same geodetic level Ap bar M1 M2 e When condenser is above the room unit Ap bar M1 M2 geodetic difference m x 1 1 10 2 When condenser is below the room unit Ap bar M1 M2 geodetic difference m x 1 1 10 2 Fig i Refrigerant line components to the evaporator connection on the Liquid Receiver Liquid receiver valve Filter dryer inlet Schrader valve Filter dryer Sight glass Solenoid valve Thermostatic expansion valve Jojo SI GI MI Evaporator inlet Schrader valve 8 Operation Unit operation is completely automatic The below sequence explains how the unit operates The air sucked in by the fan s enters the unit The air is im
18. C 178 C Pour point lt 40 C Viscosity at 40 C 29 5 cSt Viscosity at 100 C 4 35 cSt Coppoer corrosion 100 C 3 hr ASTM D130 1 Neutralization value 0 03 m x Dielectric strenght gt 30kV 10 4 4 Oil topping up of an installed circuit If oil leakages occur the topping up operation is necessary Contact the local Service before intervention 10 4 5 Compressor removal only L units If the innermost compressor is faulty a few steps must be carried out to ensure an easy replacement see Fig 1 En closure G 10 5 Dismantling the unit The machine has been designed and built to ensure contin uous operation The working life of some of the main components such as the fan and the compressor depends on the maintenance that they receive The unit contains substances and components hazardous for the environment electronic com ponents refrigerating gases and oils At the end of the useful life when the unit is dismantled the operation must be carried out by specialized re frigerating technicians The unit must be delivered to suit able centers specialized for the collection and disposal of equipment containing hazardous substances English 10 6 Regulation EC no 842 2006 F gas Stationary air conditioning placed into the European Community market and operating with fluorinated greenhouse gases f gas such as R407C R134a R410A they have to comply with t
19. F D H M47xA W F7D H M50xA W F D H M58xA W F D H M66xA W L83UA W F D H EN 230 1 50 Hz sa mm Leer Tamron STAAWFDA WED S2xAWFDH WED S2ZxNWIFDM Cooling Electrical heating RS AREA M25xA WIF D H Humidification msn Fan compressor M31xAW m electrical heaters humidifier wessen M3AxXAWIFIDM BLU MSAWFDH weem MAixNWIEDM M42xA W B wessen MazmxAWIFDM BELLUM MOAWFDH wessen MS amp xAWIEDM mn easet sua 400 3N 50 Hz NOTES The cables have to be sized in compliance with local standards and according to the type and characteristics e g Amperes of installation The specific power of the user installed switch must be lower than 300 000 A x s e Prescriptions on the differential relay required to the user e for special places healthcare facilities etc comply with the local regulations For ordinary places a low sensitivity is suggested 300 mA coordinated with the value of the ground heater IEC 364 Ra x 50 la Art 413 1 4 1 CEI 64 8 e Incase of frequent over voltages with mains impulse it is advisable to install a selective differential and to evaluate the need for adopting other devices English Liebert HPM A W F D H B 1 Technical data table Tab 2 Standard fan connections for Liebert HPM with autotransformer
20. Fig g Electrical connections e Use multipolar cables with sheath CEI20 22 only 3 Wiring connections Fig 9 e Connections for remote on off and hot water con sent must be done by the installer According with compressor running two terminals for the opening of a water solenoid valve are avail able by installer W H units Dr General Alarm terminals allow remote alarm sig nalling 4 In case of short circuit check the sticking of the involved switch and possibly replace it See electrical data in Enclosures B Technical data tables AUXILIARY TERMINAL BOX Cooling Electr heating Humidification 1 compressor 2 compressors remote on off 53 020 CLOSE ON 366 clogged filter CF 61 1 CLOSE OK 63 33 water leakage LWD 105 105 106 106 400 NC 400 NC GENERAL ALRM 401 C 401 C 400 401 NC alarm or unit off 402 NO 402 NO WARNING 300 NC 300 301 NC warning or unit off 301 l only on units with EC fan 302 NC smokestat firestat AAP 53 86 optional CLOSE ON 51 84 operating fan 70 70 CLOSE ON 7 71 operating compressor 72 72 CLOSE ON 73 73 operating compressor 2 76 CLOSE ON 77 user alarm 61 86 CLOSE OK 62 030 freecooling relay enabling F D H only 580 580 CLOSE ON 3
21. GAS F M42 50 58 IFC D H Water inlet to Dualfluid 1 1 2 GASF 14 27 GASF M34 OFC D H 14 4 GAS F 14 4 GAS F M42 50 58 OFC D H Water outlet from Dualfluid 1 1 2 GASF 1 1 2 GAS F Mxx CD Condensate drain ID 20 mm Mxx HF Humidifier feed opt 1 2 GAS M Mxx HD Humidifier drain opt ID 22 mm Mxx EC Electrical power supply Hole 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab c on para 4 1 2 English Liebert HPM A W F D H Refrigerant and hydraulic connections Fig 7 Refrigerant water and electrical connections Liebert HPM L83 99 TTT TTT I IRR CIEE HIH a ja a a RR i EIER EIA A 9 AT ROUER A JG RT MAA IP AG DG A AG ON IA KM DA HIRR E SM E Wire mesh safety sereen C pa OWC2 0G2 3
22. SWITCH 19 High pressure switch Stop SET Bar RESET Bar 22 20 High pressure switch Restart OPERATING AIR TEMPERATURE Low pressure switch Stop nin ec ER se 22 Low pressure switch Restart 23 Min room operation temperature ble SE i 24 Max room operation temperature ii li 25 Min room operation humidity CIRCULT h o IRRESSURE 26 Max room operation humidity S 27 Max refrigeration circuit pressure MANUFACTURING DATE Digit Nomenclature DX unit The unit is fully defined by seventeen digits Togo 04 Lj y Digit 1 Family S Small M Medium L Large Digit 2 and 3 Size Cooling Capacity kW approx Nominal Cooling Capacity Digit 6 Fan 0 Standard fan 1 EC fan Digit 7 Main Power Supply 0 400 V 3 Ph 50 Hz 1 230 V 3 Ph 50 Hz 2 230 V 1 Ph 50 Hz Digit 8 Electric heating 0 None 1 Electric heating Digit 9 Humidification 0 None V Electrode humidifier Digit 10 Microprocessor Control ICOM amp Inner Display with Temperature Control ICOM amp Inner Display with Temperature and Humidity Control ICOM amp Coldfire Display Small with Temperature Control ICOM amp Coldfire Display Small with Temperature and Humidity Control ICOM amp Coldfire Display Large with Temperature Control ICOM amp Coldfire Display Large with Temperature and Humidity Control oo U gt ON Digit 11 Reheating System 0 None G Hot gas coil W Hot water coil
23. THE DIRECTION OF REFRIGERANT M66 22X1 18X1 28X1 22X1 NECTI NS LABELS ON REFRIGERANT CON L83 28X1 22X1 28X1 22X1 E 3 Wash out the pipelines as follows L99 28X1 S ch 28X1 22X1 a Plug up the free ends of the pipes b Connecta helium or nitrogen cylinder fitted with a re ducer max pressure 10 bar to the Ya SAE Schrad When the pipes are more than 50 m long er valve of the condenser contact Technical Support Department C Pressurize the pipes with helium or nitrogen d Unplug the pipes instantaneously e Repeat a d several times THIS OPERATION IS ESPECIALLY IMPORTANT WHEN HARD COPPER PIPING IS USED A 4 1 3 Installing pipelines THE FOLLOWING OPERATIONS MUST BE CARRIED OUT BY AN EXPERIENCED REFRIGERATION TECHNICIAN English Liebert HPM A W F D H 4 4 Open all the room unit shut off valve 5 Discharge the room unit pressurized with helium at 1 bar opening the charge valves so that all the branches of the circuit are discharged e g on the receiver on the low pressure side and on the compressor delivery 6 De weld the bottoms from the connections of the room unit 7 Fix wela the pipes to the connections on the air condi tioner 8 Connect the refrigerant safety valve to the outdoor with a 16 copper pipe Tab d Weight of refrigerant contained in piping during operation liquid at different condensin
24. against finger access std IEC 60364 1 at the boundary of the air conditioner 6 4 Protective features of EC fan optional The EC fan has been provided with the following protective features e Over temperature of electronics e Over temperature of motor Locked rotor protection English e Short circuit at the motor output With any of these failures the motor stops electronically no potential separation the status relay is released NO automatic restart To reset the alarm power supply has to be switched off for min 20s once motor is at standstill Mains under voltage detection if mains voltage falls below 3ph 290Vac typical value for 5s minimum motor will be swithed off only by elec tronics no potential separation status relay is released If mains voltage returns to correct values the motor will restart automatically Phase failure recognition if one phase failes for 5s minimum motor will be switched off only by electronics no potential separa tion status relay is released If all 3 phases return to correct values the motor will restart automatically within 10 40s The power supply for an external speed setting potentiome ter is short circuit protected Motor is overload protected via motor current limitation Warning Leakage current of the motor is 7 mA roughly 7 Start up 7 1 First start up or after long standstill TO PREVENT COMPRESSOR DAMAGE THE CR
25. avoid damage to cable insulation 4 There must be a minimum separation of 20 mm between the gas and liquid pipelines If this is not possible insulate both lines 5 Support both horizontal and vertical pipes with vibra tion damping clamps which include rubber gaskets Place these every 1 5 2 m Fig b Recommended pipe layout English Tab b Condenser positioning CONDENSER AND CONDENSER BELOW SON ee CONDITIONER CONDITIONER AT SAME LEVEL not recommended int necessary necessary necessary gas INSULA ext only for aesthetic reasons only for aesthetic reasons only for aesthetic reasons TION i int absolutely not not necessary no expose to cold underfloor air 4 ext only for aesthetic reasons only if exposed to sun only if exposed to sun room unit 4 D room unit D o room unit 8 liquid S LAYOUT ges E E LN liguid 2 Oil traps every 6 m of vertical piping see Chap 1 Tab a 4 1 2 Pipe diameter The discharge operation of the room unit pressurized with helium at 1 bar and the de welding of the bottoms from the connections must be carried out as last operations immediately followed by the connection and emptying of the whole The diameters of the connecting pipes between the condi tioner and the condensing unit listed in Tab c must be re spected otherwise the guarantee becomes invalid
26. head and the flow rate of the pump to be used lid 0 5 1 48 27 39 ethylene glycol to add to water in weight of O 10 20 30 40 50 total mixture N B Values are for Shell antifreeze 402 For different brands check manufacturer s data Fig f Advised Dry cooler Installation filling D water a disconnect after charge Stand by pump o o EA E p g Stand by pump 5 APPLIANCE KE ET E optional 8 L 2 6 o 3 bk shut off valve TS thermostat 1 air separator HTC Variex opt charge group filter pump PEN reducer non return valve H non return valve x safety valve D i x CT illing meter I a t SS ion tank 2 manometer gt expansion tan Y drain at lowest poin See hydraulic drawings in the Enclosures D English Liebert HPM A W F D H 6 Electrical connections 6 1 Electrical connections 1 Before proceeding with the electrical connections en sure that e all electrical components are undamaged e all terminal screws are tight e the supply voltage and frequency are as indicated on the unit 2 Power supply cable connections s Connect the cable to the Line inlet terminal board Use the cable size defined according to the flow the supply voltage and the installation type e Protect the supply using a back up fuse e Do not fit the supply cable in the raceways inside the machine electric board
27. i 7 i 7 E i B e El D CONDENSING UNIT CONDENSING UNIT EE 2 Crankcase heater H o O E mere talas 11 Hot gas ON OFF solenoid valve optional 12 Check valve Shut off valve E 14 Liebert HPM A W F D H DESCRIPTION Reheating coil optional Low pressure switch LP 17 Shut off solenoid valve 19 Chilled water 3 way valve 20 Chilled water coil Hot gas injection valve antifreeze English Refrigeration circuits Fig 15 Liebert HPM Sxx U O H SUPPLY LIMIT COOLING WATER INLET COOLING WATER OUTLET SUPPLY LIMIT Pos LC CNN 6 Acesso 8 mene talas English Liebert HPM A W F D H CHILLED WATER INLET CHILLED WATER OUTLET Renne O E 15 Refrigeration circuits Fig 16 Liebert HPM M25 47 U O H 11 V 6 A FT TN I 3 7 TT og e gt EA A sk LO x II je lj d KC KO Mo 8 po El Do BRL NA MO Xe Lo SUPPLY LIMIT SUPPLY LIMIT COOLING W
28. interface English English A 4 Start up and operation A 4 1 Start up Before using the humidifier check the following e Supply and drain connections e That the cut off tap is open All wiring Earthing e Steam hose connection between steam cylinder and distributor To start the humidifier simply switch on the air conditioner which will in turn automatically start and stop the humidifier as required The adjustable parameters which determine humidifier operation have already been factory preset see iCom manual A 4 2 Operation Water provided it contains even a small quantity of salts in solution is a conductor of electricity Therefore if the steam cylinder is filled with water and a potential difference is ap plied between the electrodes the water behaves like an ordi nary electrical resistance and becomes hot thus creating steam The steam production rate can be controlled by varying the water level in the cylinder the higher the water level the deeper the electrodes are immersed into it and the greater the steam production Note 1 In case of low water conductivity consult HPAC Technical Sales Support Note 2 When starting with an empty cylinder the water conductivity is normally insufficient for the HUMIDIFIER STEAM OUT PUT to be reached immediately Therefore the humidifier produces as much steam as pos sible to fill the cylinder completely Any evaporation water
29. to are trademarks or registered trademarks of their respective owners Emerson Network Power The global leader in Business Critical Continuity M AC Power IM Embedded Computing M Outside Plant EB Rack amp Integrated Cabinets E Connectivity M Embedded Power Bl Power Switching amp Control Bb Services E DC Power EE Monitoring M Precision Cooling E surge Protection Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of EmersonElectric Co 02008 Emerson Electric Co
30. unit model and serial no in case of the necessity for assistance or spare parts locate the identifi cation label on the outside of the unit A Manufactured at via Leonardo da Vinci 16 18 35028 Piove di ce Padova Italy label see below empty fax simile EMERSON Attention data relevant to the supplied unit are indicated on the inboard Data in the manual are referred to standard 9 L ei Gi CD DO DO conditions and can be modified without any TL MI ere MODEL See VOLTAGE PHASE FREQUENCY POS DESCRIPTION 1 Compressor Full Load Ampere A COMPRESSOR 2 Compressor Locked Rotor Ampere A HH LRA 2 ar 3 3 Compressor quantity FAN MOTOR 4 Evaporator fan Full Load Ampere A FLA LRA G QT 6 5 Evaporator fan Locked Rotor Ampere A FAN MOTOR 6 Evaporator fan quantity FLA LRA QT 9 7 Condenser fan Full Load Ampere A Bic HEATER 8 Condenser fan Locked Rotor Ampere A A STAGES 11 9 Condenser fan quantity 10 Electrical heating Ampere Se ie Re 13 11 Electrical heating steps 12 Humidifier Ampere TOTAL FLA ac TOTAL FLA dc Ipk KA 13 Steam production capacity i P 15 tew e 17 14 Max unit AC Ampere REFRIGERANT TYPE 15 Max unit DC Ampere R Kg 16 Rated peak withstand current HIGH PRESS SWITCH MANUAL 17 Rated short time current SET Bar RESET Bar 18 Refrigerant type LOW PRESSURE
31. water 3 way valve Chilled water coil Hot gas injection valve antifreeze English Refrigeration circuits Fig 13 Liebert HPM M34 58 U O D SUPPLY LIMIT CHILLED WATER INLET CHILLED WATER OUTLET CONDENSING UNIT CONDENSING UNIT vos sesmeno 2 Crankcase heater 6 Liege 9 Ce meore o smoes 11 Hot gas ON OFF solenoid valve optional 12 Check valve Shut off valve English Liebert HPM A W F D H DESCRIPTION Low pressure switch LP 17 Shut ofsoenoidvave 18 T Head pressure controlvave 9 Chiled water Sway valve Chilled water coil Hot gas injection valve antifreeze E 13 Fig 14 Liebert HPM L83 U D Refrigeration circuits B i s m o sm comm hr Oy cond 37 D T L lt D 2 E or F eny Ye 48 9t Fe ICI 9 CCS DOW Am 7 Ny eax Ne ED M Hx 8 06 0 IN L E EJ EJ eX Xs A XXe di SUPPLY LIMIT i i i
32. 1 15 9 95 0 5 89 1 80 11 1 15 9 95 0 5 7 M29xU O 4 6 4 8 19 0 1 90 13 2 20 0 123 0 6 96 1 04 13 2 20 0 123 0 6 5 M31xU O 5 7 6 0 23 0 1 99 13 1 20 0 123 0 6 94 1 04 13 1 20 0 123 0 6 5 M35xU O 5 7 6 0 23 0 2 38 15 1 22 0 127 0 7 96 1 02 15 1 22 0 127 0 7 5 M41xU O 2x4 7 2x48 2x19 0 2x1 51 17 6 27 0 167 0 10 00 0 83 17 6 27 0 167 0 9 3 M47xU O 2x46 2x48 2x19 0 2x1 74 20 8 32 0 198 0 12 10 0 72 20 8 32 0 198 0 11 6 M34xU O 5 7 6 0 23 0 2 38 2x7 5 2x12 4 2x65 5 2x3 82 2 75 2x7 5 2x12 4 2x65 5 2x3 7 M42xU O 2x47 2x48 2x19 0 2x1 51 2x7 9 2x12 1 2x74 0 2x4 39 2 27 2x7 9 2x12 1 2x74 0 2x4 3 M50xU O 2x46 2x48 2x19 0 2x1 74 2x11 1 2x15 9 2x95 0 2x5 90 1 80 2x11 1 2x15 9 2x95 0 2x5 7 M58xU O 2x45 2x48 2x19 0 2x1 89 2x13 2 2x20 0 2x123 0 2x6 96 1 04 2x13 2 2x20 0 2x123 0 2x6 5 M66xU O 2x45 2x48 2x19 0 2x2 09 2x15 1 2x22 0 2x127 0 2x7 98 1 02 2x15 1 2x22 0 2x127 0 2x7 5 L83xU 2x5 8 2x6 0 2x17 8 2x3 08 2x17 6 2x26 0 2x159 0 2x9 98 0 83 2x14 9 2x26 0 2x159 0 2x9 3 L99xU 2x5 8 2x6 0 2x17 8 2x3 29 2x20 8 2x30 0 2x198 0 2x12 12 0 72 2x20 3 2x30 0 2x198 0 2x11 6 At standard operating conditions ESP 50 Pa for Over units and 20 Pa for Under units Filters class G4 At nominal operating conditions Condensing temperature 45 C Room conditions 24 C 50 RH B A4 Liebert HPM A W F D H English Technical data table Tab 4 Electrical data optional comp
33. 29DxA W 3Ph Y 260 260 NOTES s To change the ESP External Static Pressure of the fan 20 Pa for Under and 50 Pa for Over it is necessary to move the following wires R5 T5 e R4 TA dehumidification on 13 17 20 23 160 120 dehumidification on S5 12 The motor fan for Liebert HPM SO4 05 07 10 12 is single phase and no internal changes are requested Attention Do not modify Y connections to A Liebert HPM A W F D H English Technical data table Tab 2b EC optional fan connections UNDER U OVER O DISPLACEMENT D CONSTANT K Model Std Dehumidification Std Dehumidification Std Dehumidification Std Dehumidification VDC VDC VDC VDC VDC VDC VDC VDC S13xA W 6 5 5 5 6 5 5 5 6 5 5 5 6 5 5 5 S17xA W 6 9 5 9 6 9 5 9 6 6 5 6 6 9 5 9 S20xA W 7 3 6 3 7 3 6 3 7 0 6 0 7 3 6 3 S23xA W 8 8 7 8 8 8 7 8 8 5 7 5 8 8 7 8 S17xF D H 7 0 6 0 7 0 6 0 S20xF D H 7 5 6 5 7 5 6 5 S23xF D H 9 0 8 0 9 0 8 0 M25xA W 8 0 7 0 8 0 7 0 7 0 6 0 7 5 6 5 M29xA W 8 5 7 5 8 5 7 5 8 0 7 0 M31xA W 6 0 5 0 6 0 5 0 M34xA W 6 5 5 5 6 5 5 5 M35xA W 6 5 5 5 6 5 5 5 M41xA W 7 5 6 5 7 5 6 5 M42xA W 7 5 6 5 7 5 6 5 M47xA W 8 5 7 5 8 5 7 5 M50xA W 8 5 7 5 8 5 7 5 M58xA W 9 0 8 0 9 0 8 0 M66xA W 9 5 8 5 9 5 8 5 L83UA W 8 5 7 5 L99UA W 9 0 8 0 M25xF D H 8 5 7 5 8 5 7 5 M31xF D H 6 5
34. 3 e Place the tubing on supporting saddles 1 e Insulate both tubes using Armaflex insulation 2 e Place shut off ball valves 3 at the conditioner inlet and outlet to allow easy maintenance e tis useful to install a thermometer 4 and a manometer 5 at the conditioner inlet and outlet e Install a water drain tap 6 at the lowest point in the cir cuit e Fill the circuit with water glycol see Fig e Fig e Chilled water circuit Air conditioner N 5 4 Coooling water connections W F and H only The unit must receive cooling water as follows a from an external cooling water source in open circuit para 5 4 1 and Figures in Enclosures b using a Dry cooler in closed circuit para 5 4 2 e Connect the piping as shown in Enclosures D t is advisable to use hoses to be connected with 3 piece joints to the condenser water inlet and outlet couplings IMPORTANT fit a standard strainer on the inlet water pip ing Place shut off ball valves at the conditioner inlet and outletto allow easy maintenance e It is advisable to install a water drain system at the lowest point in the circuit Fully drain the piping before connecting it to the air con ditioner 5 4 1 Notes for open circuit applications s Use the unit with mains or well water DO NOT USE WATER FROM AN EVAPORATIVE COOLING TOWER UNLESS THE FILLING WATER HARDNESS IS CONTROLLED e The water pressure m
35. 6 4 0 S07 12 D KUECLB 400V 3ph 50Hz 1 3 2 0 2 0 1 3 3 3 0 6 4 0 S07 12D KUECLC 230V 3ph 50Hz 1 3 2 0 3 6 1 3 3 3 0 6 4 0 STE p KUECLD 400V 3ph 50Hz 2 7 4 5 4 6 3 0 5 5 0 6 4 0 13 29 D KUECLE 230V 3ph 50Hz 2 7 4 5 8 0 3 0 5 5 0 6 4 0 M25 D For humidifier current FLA and rated power refer to electrical features in the air conditioner manual Unit is factory set to produce about 70 of the maximum value see iCom manual A 2 Installation The humidifier is supplied already mounted within the air conditioner The only necessary operations are the connec tions for the supply water Fig a and drain water Fig b Fig a Supply water connection SUPPLY WATER FEATURES The supply water temperature must never exceed 40 C The supply water pressure must be between 0 3 and 6 bar If greater use a pressure reducing valve set to 3 4 bar Sanitary water should be used Do not use demineralized water or water containing impurities e Conductivity range 125 1250 uS cm B supplying limit water supply A ALTERNATIVE SUPPLY WATER TUBING CUT OFF TAP Unscrew the ring nut A and Must be included in the SUPPLY WATER TUBING connect a tube straight to supply water tubing e Itis supplied a 1 5 m long plastic the 3 4 G Male connection tube with 12 G m connections B on the humidifier English Liebert HPM A W F D H Fig b Drain water connection DRAIN WATER D
36. 69 369 chilled water thermostat enabling 83 710 D version only CLOSE compressor ON 84 720 water solenoid valve enabling by installer before compressor 22 351 intervention W H unit 24 Vac 1A max 0 355 water solenoid valve enabling by installer before compressor 2 353 intervention W H unit 24 Vac 1A max 354 6 2 Fan connections The fan is electrically feeded by 1 or 2 autotransformers that are connected in order to obtain the nominal air flow and the External Static Pressure ESP 20 Pa for Under and 50 Pa for Over To change the factory connection proceed as follow identify the unit s aeraulic graph in the Product Docu mentation choosethe curve s point where both the air flow and the static pressure are the most suitable for the installation checkthe factory fan blocks connection and correct it if necessary see electrical diagram choosethe new output fan connections and connect the wires to the relevant blocks Liebert HPM A W F D H 6 3 Protection degree IP2x check After whole of the connections and installation works com prising ceiling elements plenum ducting and floor ele ments base frame check and verify the protection degree IP2x protection
37. ANK CASE S MUST BE PREHEATED FOR AT LEAST 4 HOURS BEFORE CONDITIONER START UP FAILURE TO DO SO INVALIDATES THE GUARANTEE Start the air conditioner as follows 1 Open all valves in the refrigeration circuit according to the instruction label attached to the valve 2 W F and H only Open all valves in the water circuit ac cording to the instruction label attached to the valve 3 Ensure that the refrigerant charge is correct see Chap 4 4 Using a leak detector verify that there are no refrigerant leaks If there are any then repair the leak and recharge as described in Chap 4 5 At least 4 hours before start up close QS and QF8 on the electrical panel In the iCom control system factory setting the stand alone mode is standard The stand alone mode gives the possibility of turning on the unit simply rotating the main Switch on the electric panel The yellow LED on theiCom case will light after turning on the unit because of the presence of electric power If the LED does not light up e check the electric panel power supply e check the protection devices e g thermal switches e check the fuses 6 Verify the operation of the crankcase heater 7 Check that there are no water leakages 16 Check the electrical absorption of the external condens er Dry cooler if fitted 17 IMPORTANT If the compressor makes a loud and unusual noise IT IS NECESSARY TO INVERT the electrical connections of the p
38. ATER INLET COOLING WATER OUTLET CHILLED WATER INLET CHILLED WATER OUTLET spo Em RE Pong Cd IC EII 6 Access valia i anti DE Fiter dyer s Shoah E 16 Liebert HPM A W F D H English Refrigeration circuits Fig 17 Liebert HPM M34 58 U O H 12 o 7 ONLY WITH REHEATING COIL OPTION comm hr cond al 9 BV B Am Y im im E 2 o o E E lt lt a a LU LU E E I TI o o N py COOLING WATER OUTLET py 4 es 9 COOLING WATER INLET SUPPLY LIMIT SUPPLY LIMIT Compressor 14 Reheating coil optiona 2 Crankcaseheater High pressure switch HP Low pressure switch LP 4 Water cooled condenser Shut off solenoid valve Liquid receiver Head pressure control valve amp Access valve Chilled water 3 way valve i anti Safety valve Chilled water coil 8 Filter dryer Hot gas injection valve antifreeze H 9 Sight glass ot gas injector Thermostatic expansion valve Inlet water thermostat Hot gas ON OFF solenoid
39. EVICE 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 WATER DRAIN TUBING It is supplied a hose with an inte gral drain trap DO NOT DISMANTLE THE DRAIN TRAP DO NOT DISMANTLE THE DRAIN TRAP The hose is already fitted onto the humidifier drain outlet K Fill the drain trap with water L The drain pipe is made of plas tic material which does not conduct electricity NOTES 1 Allow a 2 gradient towards the drain outlet 2 Avoid back pressures in the drain piping A 3 Humidair components The components of the HUMIDAIR humidifiers are shown below Fig c The humidifier and its connections DRAIN VALVE ASSEMBLY D A filling cup overflow tube SUPPLY VALVE F supply valve from humidifier power electrodes to electrical supply from EE ROSE EN DE 7 level sensor P to interface level electrode power electrodes steam cylinder drain valve drain tank Liebert HPM A W F D H NS Tom supply valve to EH outlet from supply valve to
40. Fig 3 Refrigerant water and electrical connections Liebert HPM S13 23 i o no 4 holes 48 E IHW over IFC Ig Ted i LO EC CD HF HD oHw OFC 8 over T 777 i NG 7 OWC IWC OHW IHW 6 unden unden o 8 N Q e 170 455 425 425 350 50 115 750 UNIT FRONT Version Unit Connection A T D i F IL Refrigerant liquid line inlet OD 16 mm OD 16 mm OG Refrigerant gas line outlet OD 18 mm OD 18 mm IWC Water to condenser inlet 3 4 GAS F 3 4 GAS F OWC Water from condenser outlet 3 4 GAS F 3 4 GAS F IHW Hot water inlet opt OD 18 mm OHW Hot water outlet opt OD 18 mm IFC Water inlet to Freecooling Dualfluid coil 1 GAS F 1 GAS F GAS F OFC Water outlet from Freecooling Dualfluid coil 1 GAS F 1 GAS F GAS F CD Condensate drain ID 20 mm HF Humidifier feed opt 1 2 GAS M HD Humidifier drain opt ID 22 mm EC Electrical power supply Hole 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab c on para 4 1 2 Liebert HPM A W F D H English Refrigerant and hydraulic connections Fig 4 Refrigerant water and electrical connections Liebert HPM M25 29 850 850 CD 705 Ro no 4 holes 48 IL IFC IWC 330 7 i HFA IHW SEES 300 280 E7 i l OG HD OFC OWC
41. M Precision Cooling for Business Critical Continuity Liebert HPM 4 99 kW Indoor Room Cooling Units A W F D H Versions SERVICE MANUAL s Liebert ENERO Network Power A Caution We recommend that e the manual is retained for the entire service life of the machine e the user reads the manually carefully before carrying out any operations on the machine e the control is used exclusively for the purpose for which it is intended incorrect use of the control shall release the manufacturer from any liability This manual has been prepared to enable the end user to carry out only the operations that can be made with the panels eren Any operations that reguire the opening of doors or eguipment panels must be carried out only by gualified per sonnel Each machine is eguipped with an Electric Insulating device which allows the operator to work in conditions of safety Switch off the machine with this electric insulating device before any maintenance operation to eliminate risks remaining electric shocks burns automatic restarting moving parts and remote control For UNDER units installed on raised floor switch off the machine before removal of the floor panels within a distance of 850 mm from the machine to avoid risks of contact with rotating devices fans moving and with hot heating elements The panel key supplied with the unit must be kept by the person responsible for maintenance For identification of the
42. PM A W F D H A 3 A 6 Humidifier spare part list It is recommended the use of original spare parts When placing an order quote the part code as well as the air condi tioner model no and serial no Pe laga CODE DESCRIPTION EN Von m pup cup Notes 141090 Steam cylinder CLA 1 141091 Steam cylinder CLB 1 C 141093 Steam cylinder CLC 1 141092 Steam cylinder CLD 1 141094 Steam cylinder CLE 1 T Drain tank 1 1 1 1 1 U Filling cup 1 1 1 1 1 K Rubber gasket for drain tank 1 1 1 1 1 F 183240 Complete supply valve 1 1 1 1 1 A 183241 Drain valve armature 1 1 1 1 1 H 183242 Drain valve housing 1 1 1 1 1 O 254007 Drain valve solenoid 1 1 1 1 1 254905 Isolator for level sensor 1 1 1 1 1 Spare part recommended Consumable material Liebert HPM A W F D H English Technical data table Tab 1 Electrical data Power RESIDUAL CURRENT CIRCUIT GA A T6A T6A T6A TRY ST7XAWIF D H S20xA WIF D H S23xA WIF D H Cooling M29xA W Fan compressor M34xA W F D A M35xA W F D H MATxA W F D H MA2XA W F D H M47xA W F D A M50xA W F D H M58xA W F D H M66xA W L83UA W F D H 400 3N 50 Hz S17xA W F D H S20xA W F D H S23xA W F D H Cooling Electrical M25xA W F D H heating M29xAW Fan compressor M31xA W F ID H electrical heaters M32xA W F D H M35xA WIFID H M41xA W F D A Ma2xA W
43. TER INLET COOLING WATER OUTLET SUPPLY LIMIT ros sesmeno 2 Crankcase heater 6 Liege o 8 L 9 sondas Hot gas ON OFF solenoid valve optional 12 Check valve Shut off valve E 8 Liebert HPM A W F D H DESCRIPTION Low pressure switch LP 7 Shut off solnoidvave 18 Head pressure corroe 18 Chile water my vale Chilled water coil Solenoid water valve English Refrigeration circuits Fig 9 Liebert HPM M25 47 U O F SUPPLY LIMIT COOLING WATER INLET COOLING WATER OUTLET SUPPLY LIMIT Pos DESCRIPTION 2 Crankcase heater 6 Liege 8 L 9 sondas Hot gas ON OFF solenoid valve optional 12 Check valve Shut off valve English Pos DESCAPION 16 Low pressure switch LP Chilled water coil 24 25 Solenoid water valve 26 27 Liebert HPM A W F D H E 9 Refrigeration circuits Fig 10 Liebert HPM M34 58 U O F SUPPLY LIMIT all CD COOLING WATER INLET N COOLING WATER OUTLET ONLY WITH REHEATING COIL OPTION POS DESCRIPTION 8 SC Ce Peme O CX Sega Pos DESCRIPTION O E
44. UPPLY LIMIT EPT Crankcase heater e Recess vane 8 er amer 9 C 3 English CONDENSING UNIT Pos DESCRIPTION Thermostatic expansion valve 11 Hot gas ON OFF solenoid valve optional 12 Check valve 13 Shut off valve Reheating coil optional 16 Low pressure switch LP Shut off solenoid valve Liebert HPM A W F D H E 1 Refrigeration circuits Fig 2 Liebert HPM M34 66 U O A ONLY WITH REHEATING COIL OPTION KT LN SUPPLY LIMIT SUPPLY LIMIT Dlo CONDENSING UNIT CONDENSING UNIT ws ES ves Femme e Aces valve OOOO Ce meore 9 smoes E 2 Liebert HPM A W F D H English Refrigeration circuits Fig 3 Liebert HPM L83 99U A ONLY WITH REHEATING COIL OPTION KD comm hr Cm con E t6 Gi JA 15 E SUPPLY LIMIT SUPPLY LIMIT D CONDENSING UNIT CONDENSING UNIT Pos Besen O 6 Aeswe 8 Peme
45. coil Hot gas injection valve antifreeze ot gas injector 6 Water solenoid valve by the customer English Refrigeration circuits Fig 19 Liebert HPM Sxx KA M25 KA yo SUPPLY LIM X KO N OS x O Xe ke SUPPLY LIMIT vos Bn 2 Crankcase heater 6 Liege CS 8 L 9 sondas English CONDENSING UNIT Liebert HPM A W F D H DESCRIPTION 3 way hot gas modulating valve 12 Check valve 18 Hot gas injection valve antifreeze Hot gas injector E 19 Refrigeration circuits Fig 20 Liebert HPM Sxx KW SUPPLY LIMIT COOLING WATER INLET COOLING WATER OUTLET SUPPLY LIMIT spo Sm E ESB 6 rees DE it s Soa E 20 Liebert HPM A W F D H English Refrigeration circuits Fig 21 Liebert HPM M25 KW SUPPLY LIMIT COOLING WATER INLET COOLING WATER OUTLET a SUPPLY LIMIT CS ES SI cc Water cooled condenser Reheating coil CIN DE meone s Samoa English Liebert HPM A W F D H E 21 Hot water circuit Fig 1 Ho
46. d Le Fabricant d clare que ce produit est conforme aux directives Europ ennes El Fabricante declara que este producto es conforme a las directivas Europeas O Fabricante declara que este produto est em conformidade com as directivas Europeias Tillverkare f rs krar harmed att denna produkt verensst mmer med Europeiska Uniones direktiv De Fabrikant verklaart dat dit produkt conform de Europese richtlijnen is Vaimistaja vakuuttaa t ten ett tama tuote tayattaa seuraavien EU direktiivien vaatimukset Produsent erkl rer herved at dette produktet er i samsvar med EU direktiver Fabrikant erkl rer herved at dette produkt opfylder kravene i EU direktiverne O Kaxaokevaon jc nover t to rap v npol v eiva KATUOKEVAOUEVO avupova ue tis o nyies tng E E 2006 42 EC 2004 108 EC 2006 95 EC 97 23 EC Ensuring The High Availability Of Mission Critical Data And Applications Emerson Network Power a business of Emerson NYSE EMR is Locations the global leader in enabling Business Critical Continuity from Emerson Network Power Headquarters EMEA grid to chip for telecommunication networks data centers health Via Leonardo Da Vinci 16 18 care and industrial facilities Emerson Network Power provides Zona Industriale Tognana innovative solutions and expertise in areas including AC and DC 35028 Piove di Sacco PD Italy Tel 39 049 9719 111 Fax 39 049 5841 257 power integrated racks and enclosures power switching a
47. draulic circuit Make sure that the system is filled with the prescribed amount of glycol and that there is In case water loss needs to be refilled make sure the glycol concentration is correct XX x DX x x x x 6 Months Check that the water circulation is in perfect order 10 4 Refrigeration circuit WHEN REPAIRING THE REFRIGERATION CIRCUIT COLLECT ALL REFRIGERANT IN A CONTAINER DO NOT ALLOW IT TO ESCAPE e When either removing for repairs or charging refriger ant this must always be done on both the high and low pressure sides of the compressor simultaneously The compressor copper plated steel connections should be welded with a silfos material containing a minimum of 596 silver 10 4 1 Refrigerant charge of the water cooled units W F and H 1 Startthe unit as described in para 7 1 2 Manually start the compressor ensure the unit is not in dehumidification 3 Wait a few minutes to allow conditions to stabilize 4 Check the refrigerant circuit using a leak detector If there is a leak recharge the unit until the working condi tions of the entire refrigeration circuit have become nor mal 5 Using a manometer check that the evaporating temper ature is above 0 C 6 Verify the water pressostatic valve WV setting CHAP 8 7 Verify that the superheat is 5 8 K to do this refer to Chap 8 10 4 2 Oil charge R407C The oil to be used when toppi
48. eaters Note See Chap 2 English Liebert HPM A W F D H C 4 Installation drawings Fig 9 Base module Fig 10 Base frame bet 1 Fig 11 High efficiency filters C 5 Liebert HPM A W F D H English Installation drawings Fig 12 New air module Liebert HPM S04 23 Liebert HPM M25 66 OVER CONSTANT Liebert HPM L83 99 Ro Flexible tube M models only Flexible tube passage UNDER DISPLACEMENT Dimensions mm MODELS A B C S04 05 185 310 320 S07 10 12 375 190 420 13 17 20 23 155 450 660 M25 29 650 565 145 M31 66 225 565 145 English Liebert HPM A W F D H Fig 13 Fig 14 Bleed valve position Supply cable path Liebert HPM S04 23 S Installation drawings E Bleed valve position S17 20 23 F D H M25 58 F D H models Electrical connection path thro
49. eating with hot gas reheating S04xW 2 5 2 8 0 74 SO5xW 2 5 2 8 1 12 So7xW 2 7 3 0 1 24 S10xw 21 3 0 1 24 S12xW 21 3 0 1 36 S13xW 3 8 5 1 1 36 S17xW 8 8 5 1 1 95 S17xF H 3 8 5 1 1 95 S20xW 4 1 5 4 1 77 S20xF H 4 1 5 4 1 77 S23xW 4 4 5 7 2 51 S23xF H 4 1 5 4 2 51 M25xW F H 6 3 7 8 2 51 M29xW 7 4 8 8 4 14 M31xW F H 7 7 10 5 4 14 M35xW F H 8 4 11 2 4 14 M41xW F H 9 6 12 4 4 14 M47xW F H 10 4 13 2 414 M34xW F H 4 7 7 5 1 95 M42xW F H 5 4 8 2 1 77 M50xW F H 6 3 9 1 2 51 M58xW F H 7 4 10 2 4 14 M66xW 8 2 11 0 4 14 L83xW F H 8 8 8 8 13 2 4 14 L99xW 10 0 10 0 15 0 4 14 N B The air conditioner is supplied complete with refrigerant and oil 1 The recommended oil for units with R407C refrigerant is EMKARATE RL 32 3MA For units with R22 refrigerant pay attention to compressor label if requested mineral oil this will be SUNISO 3 GS if requested ester oil this will be EMKARATE RL 32 3MA English Liebert HPM A W F D H Fig 1 Overall dimensions Service Area S models a NS IN m K M Lu m N o LO D ka ot e N i 4 05 Fig 3 Overall dimensions Service Area M31 66 Installation drawings Fig 2 Plenum Base module Fig 4 Overall dimensions Service Area M25 29 1950 200 95 is Overall dimensions Service Area L83 99 1950 9 0
50. eck the functional elements e g operational controls and display devices x SYSTEM Check the electrical electronic and pneumatic input signals e g sensors remote X controllers command variable for compliance with nominal values Check control function control signals and safety chains x Adjust control function and control signals X HUMIDIFIER if installed See appendix A Check the power supply on all phases x SWITCH CABINET POWER CIRCUITS Check the connections for Deal and mechanical function X Check the power supply at all terminals X Attention Measure power consumption at all connected consumers X A electrical Set adjust and tighten the functional elements e g operational controls and display de cables and vices X electrical components of the air conditioner Check safety equipment e g thermal switch X are under voltage Replace fuses every 2 3 years X Check protective covers for completeness X COOLING WATER Check cooling water circuit x W F and H only Check for damage leaks and proper fixing X Make sure there is no loss of water Make sure that the water pump works properly X COOLING WATER Deaerate circuits X m a ee oy Check whether the heat transfer medium of circuit connected system is frost proof X iei Check safety equipment for function Check glycol 6 comparing minimum yearly ambient temperature x Measure the working pressures and temperatures to be done by a refrigeration tec
51. eed opt 1 2 GAS M HD Humidifier drain opt ID 22 mm EC Electrical power supply Hole 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab c on para 4 1 2 Liebert HPM A W F D H English Refrigerant and hydraulic connections Fig 2 Refrigerant water and electrical connections Liebert HPM S07 12 Plan view i no 4 holes 48 OG IL e EC CD HF HD 8 OHW IHW OWC IWC C He IN J LO LO N 70 55 55 55 250 50 50 50 115 e e e 750 a UNIT FRONT Version Unit Connection A w IL Refrigerant liquid line inlet OD 12 mm OG Refrigerant gas line outlet OD 16mm IWC Water to condenser inlet 8 4 GAS F OWC Water from condenser outlet 3 4 GAS F IHW Hot water inlet opt OD 16 mm OHW Hot water outlet opt OD 16 mm CD Condensate drain ID 20 mm HF Humidifier feed opt 1 2 GAS M HD Humidifier drain opt ID 22 mm EC Electrical power supply Hole 48 mm on para 4 1 2 English Liebert HPM A W F D H Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab c Refrigerant and hydraulic connections
52. g E 10 3 Maintenance schedule Monthly quarterly biannual and annual checks to be con ducted according to the following guidelines All tasks and periods listed here are regulations from the manufacturer and need to be documented in an inspection report All these tasks should be carried out only by an authorized and trained technician We rec ommend the Emerson Network Power Cus tomer Service English Maintenance schedule MAINTENANCE PERIOD EVERY English COMPONENT 6 2 2 ce t 8 o o o 2 Z lo FANS Check for soiling damage corrosion and proper fixing X Check bearings noise X Attention do not n z E reach into the fan Check blower balancing Vibrations mm s X Les Measure the current and power consumption X Cleaning to preserve the function X Check for soiling damage corrosion X Check state of filter X AIR FILTERS Clean or replace if necessary X Carry out controls more frequently in dusty environments X NEW AIR FILTER ir filter CI x if installed see air filter Clean or replace Check for proper and functionally correct installation and surrounding conditions X Check the function of the LEDs of the display s control system and the alarms x Check the connections for electrical and mechanical function x CONTROL Ch
53. g liquid at different condensing EXTERNAL PIPE temperatures temperatures ae gas R407C kg m R22 kg m 35 0 C 46 0 C 57 0 C 35 0 C 46 0 C 57 0 C 10x 1 0 0031 0 06 0 06 0 05 0 06 0 06 0 05 12x 1 0 0049 0 09 0 09 0 08 0 09 0 09 0 08 14 x1 0 0068 0 11 0 11 0 10 0 12 0 12 0 11 16x1 0 0085 0 17 0 16 0 15 0 18 0 17 0 16 18x1 0 012 0 23 0 22 0 20 0 24 0 23 0 21 22x1 0 019 0 34 0 32 0 31 0 36 0 34 0 33 28x1 0 033 0 58 0 55 0 52 0 61 0 58 0 55 Due to the small weight influence at 15 5 bar discharge temp 65 C only 0 062 kg l for R407C and R22 is considered Liquid pressure and density varies according to condensing temperature see refrigerant tables Tab e Equivalent lengths m of curves shut off and non return valves gt deg a Y mm 90 45 180 90 12 0 50 0 25 0 75 2 10 1 90 14 0 53 0 26 0 80 2 20 2 00 16 0 55 0 27 0 85 2 40 2 10 18 0 60 0 30 0 95 2 70 2 40 22 0 70 0 35 1 10 3 20 2 80 28 0 80 0 45 1 30 4 00 3 30 Liebert HPM A W F D H English 4 2 Vacuum 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 c Pump and refrigerant charging cylinder con nection for vacuum creation and refrigerant charge
54. gh the hot water coil thus heating the air passing over it The hot water flow is controlled by an on off 3 way valve hot gas reheat optional used during dehumidifica tion the hot refrigerant which exits the compressor flows through the hot gas coil thus heating the air passing over it e DEHUMIDIFICATION optional DX mode One of the compressors starts and either the air flow or the evaporator surface is reduced depending on the model thereby causing dehumidification refer also to Control manual In freecooling mode see Control manual N B If during dehumidification the ambient tempera ture drops below a specified level dehumidification will be stopped if necessary see LOW LIMIT intervention in Control manual e HUMIDIFICATION optional The humidifier creates steam which is distributed into the air stream via the steam distribution pipe see also Enclosure A N B Manual control can be performed using the control sys tem see Control manual Fig j Floor panels removal on a safety way 850 mm English English 9 Calibrations amp Regulation at start up The air conditioner has already been factory tested and calibrated but it is very important to check at start up the superheating of thermostatic valve all versions and the by pass hot gas valve F D H KA KW See Tab 5 and Tab 6 Enclosed B tha
55. h the humidifier on for 2 3 minutes in the iCom Service menu Then switch it off 5 Drain the water as for 2 in para A 5 1 6 If the air conditioner features a Com CDL with Graphic dis play reset the humidifier working hours window no 1 of PARAMETER MENU to zero 7 Close the General Switch relative to the humidifier A 5 3 Annual maintenance Annually e g before any close down period carry out the following service on the humidifier see Fig c 1 Carry out the instructions in para A 5 1 N Disconnect the supply F and drain D valve wires wW Unscrew and remove the drain tank T gt Unscrew the drain valve assembly screws V Oo Oo Unscrew and remove the drain valve solenoid O q Remove the drain valve assembly Unscrew and remove the drain valve armature D Clean all parts of the drain valve using a commercially available descaling agent to remove any incrustations 9 Detach the hose from the supply valve Remove the supply valve connection N Unscrew the supply valve F and remove it Clean the supply valve using a jet of water 10 11 12 13 Replace any hose which has become hard and brittle 14 Thoroughly flush the drain line E 15 Reassemble the humidifier by carrying out the above in structions in reverse order ATTENTION Always empty the cylinder completely before any close down period Liebert H
56. harge to be added for every Liauid without hot gas with hot gas 10 m over 30 m between 10 m over 30 m between qui reheating reheating CDT and COND CDT and COND without hot gas reheating with hot gas reheating 2 10 0 070 0 140 0 05 0 10 12 0 101 0 202 0 08 0 16 14 0 137 0 274 0 12 0 24 16 0 178 0 356 0 15 0 30 18 0 227 0 454 0 19 0 38 22 0 339 0 678 0 25 0 50 1 The recommended oil for units with R407C refrigerant is EMKARATE RL 32 3MA For units with R22 refrigerant pay attention to compressor label if requested mineral oil this will be SUNISO 3 GS if requested ester oil this will be EMKARATE RL 32 3MA 2 Unit coupled with remote condenser suggested for ambient temperature up to 35 C The final charge must be precisely defined in field 3 For distance D see Fig 1 4 Topping up is requested for short pipeline too due to the extra charge of refrigerant N B The air conditioner is supplied pressurized with helium at 1 bar Fig 1 Pipeline air conditioner condenser Distance D a b c CDT Conditioner COND Condenser Hiross HPM A W F D H English Technical data table Tab 8 Refrigerant and oil charge for water cooled models W F H type R407C R22 REFRIGERANT CHARGE MODEL kg each circuit OIL CHARGE 1 liters without hot gas reh
57. hases supplying the corresponding scroll compressor which accepts only one direction of rotation 18 Ensure that the fans rotate in the correct direction see arrow on fan CAUTION risk of contact with rotating devices 19 Ensure that all control system settings are correct and that there are no alarms see Control manual 20 W E and H only Verify the water flow 21 W E and H only For closed circuit units ensure that the water pump starts when the compressor starts 22 Verify the Fresh Air Intake operation if fitted 23 Once the system is operating under load check the va rious components as follows e Verify that the fans are operating properly Ensure that the temperature and relative humidity are being controlled and that the humidifier option al and heating steps optional operate when re quired s Ensure that the compressor operates when required DandH only Ensure that chilled water valve oper ates when required e Ensure that the fan operation controller on the exter nal condenser Dry cooler if fitted is calibrated cor rectly and that it controls the fan operation 7 2 Starting and stopping ALWAYS ENSURE THAT EACH CRANKCASE HAS BEEN PREHEATED FOR BRIEF STOPPAGES KEEP THE SUPPLY TO THE CRANKCASE HEATER Turn on the unit operating on the ON OFF switch placed on the left case of the unit Fig h Ifthe ON OFF remote device is not installed the green LED on the Com case wi
58. he Open position no matter if in clockwise or counterclock wise direction the valve is completely opened In order to close the valve again it s necessary to turn again the screw to the Closed position When the hand drive is in Closed position the valve can open if the coil is energized Is then possible to modify the closing times turning a setting screw screw 2 the adjustment possibilities range from fully open position with maximum closing speed to fully closed posi tion with valve always open 9 5 Water leakage sensor Liquistat Due to high flooding alarm device sensitivity to the end to avoid undesirable alarm signal because of few sporadic wa ter drops place the sensors at a minimum distance of 50 cm from the unit base perimeter valve open if letter A is turned upside 10 Maintenance Spare Parts 10 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 Maintenance may be done to air conditioning equipment only by authorized and qualified technicians To keep all warrantees valid the maintenance must adhere to the manufacturer s regulations The work should be done in the system only whenit is at standstill Do this by switching off the air conditioner at the con
59. he F gas Regulation applied since 04 July 2007 Be aware that refrigerants as R22 are not f gas and their relevant regulation is Reg EC no 2037 2000 Following notes have to be considered when operating with the above mentioned equipments s Fluorinated greenhouse gases are covered by the Kyoto Protocol The fluorinated greenhouse gases in this equipment should not be vented to the atmosphere e Referring to the value noted in Annex of Regulation EC No 842 2006 here below the global warming potential GWP of some major f gases R 134a GWP 1300 R 407C GWP 1610 R 410A GWP 1890 Operators of the above mentioned applications which contain fluorinated greenhouse gases shall us ing all measures which are technically feasible and do not entail disproportionate cost a prevent leakage of these gases and as soon as pos sible repair any detected leakage b ensure that they are checked for leakage by certified personnel c ensure for putting in place arrangements for the proper recovery by certified personnel d In case of applications containing 3 kg 6kg in case of hermetically sealed system or more of f gases certified personnel provides regular leak testing ac cording to Reg 1516 2007 and Reg 1497 2007 and maintain records of maintenance activities in a dedi cated log book e Recovery for the purpose of recycling reclama tion or destruction of the fluorinated greenhouse gases purs
60. hh nn A 1 Technical data tables ss ne wa ies da do Ee ees ed ce Ec ete Da wur e abu diet B 1 Installation drawings ides s s s x Rao EXER RAE x x Dea ERR Ta UK aua EE des LO RERO aan C 1 Refrigerant and hydraulic connections D 1 Refrigeration GIS ege ee Rear A Nae rae E 1 Hot rico arre F 1 Mal menang ssn ee a a Re re dace uoce ee a et G 1 English 1 Preliminary operations 1 1 Inspection On receiving the equipment immediately check its condi tion report any damage to the transport company at once 1 2 Handling e Always keep the unit vertically upright and do not leave it out in the open e Transport the unit using a fork lift truck with front shoulders at least 1 5 m high to avoid upsetting danger Fig a Unit handling 1 3 Operating limits The units are designed to operate within working ranges see Tab a These limits are referred to new machines or to those that have been correctly installed and serviced The warranty clauses are no longer valid for any possible damage or malfunction that may occur during or due to op eration outside the application values Tab a Operating limits For all units 18 C 45 RH for L83Ux L99Ux 21 C 40 R H 27 C 55 R H Power supply tolerances e gt For A and D units Room air conditions Room air conditions inlet water Hot water circuit temperature water
61. hnician Check the power consumption measure head temperature and check for possible x REFRIGERATION abnormal operating sounds CIRCUIT Make sure that there is no frost building up on the evaporator and compressor X Check function of all regulating devices power regulators valves etc x A Fluoride refrig Check safety devices for function X erants increase if th S i z the green house effect e quantity of refrigerant is not enough it needs to be reclaimed and refilled with and are subject to re completely new refrigerant ang ee Check oil level at the sight glass X and European regula Carry out an oil test X Change the oil after every 8000 hours of operation x Check valves and replace if necessary on industrial piston compressors every 2 years x Check crankcase heater for function x EXTERNAL CONDENSER Dry cooler See appropriate manual if installed Liebert HPM A W F D H 14 15 COMPONENT MAINTENANCE PERIOD EVERY 1 Month 3 Months 1 Year Make sure there is no loss of water cooling coil Deaerate the cooling water circuit using the vent valve on the top right hand side of the Check that the cold water supply is ensured CHILLED WATER CIRCUIT Check the temperature and the pressure of the water on the inlet and outlet side using thermometers and manometers if installed D and H only Check the proper function of the three way valve no frost in the hy
62. igeration circuits Fig 6 Liebert HPM M34 66 U O W ONLY WITH REHEATING COIL OPTION SUPPLY LIMIT SUPPLY LIMIT ws semen a Deem SSCS Low pressure swich LP Ce meore 9 Sightalass Water solenoid valve by the customer E 6 Liebert HPM A W F D H English Refrigeration circuits Fig 7 Liebert HPM L83 99 U W ONLY WITH REHEATING COIL OPTION COOLING WATER INLET gt SUPPLY LIMIT SUPPLY LIMIT POS DESCRIPTION POS DESCRIPTION Compressor Check valve 2 Shut off valve 3 High pressure switch HP Reheating coil optional 3 Water cooled condenser Evaporator 5 5 Liquid receiver Low pressure switch LP Access valve Shut off solenoid valve DE Pier dyer 3 sSswgas Water solenoid valve by the customer English Liebert HPM A W F D H E 7 Refrigeration circuits Fig 8 Liebert HPM Sxx U O F SUPPLY LIMIT COOLING WA
63. ion Liebert HPM Siemens valve 94 para D H VXP 459 ON OFF action Parker 25 Solenoid valve coupled to valve 19 Liebert HPMF py 133 CN English Liebert HPM A W F D H Technical data table Tab 7 R407C R22 refrigerant and oil charge for air cooled models A D type BASE REFRIGERANT CHARGE 2 BASE OIL CHARGE 1 liters MODEL kg each circuit oil within compressor Without hot gas reheating with hot gas reheating initial oil charge Max topping up SO4xA 2 2 2 5 0 74 0 62 S05xA 2 2 2 5 1 12 1 01 S07xA 2 2 2 5 1 24 1 12 S10xA 2 2 2 5 1 24 1 12 S12xA 2 2 2 5 1 36 1 24 S13xA 2 9 5 7 1 36 1 24 S17xA 2 9 5 7 1 95 1 83 S17xD 2 9 4 2 1 95 1 83 S20xA 3 2 6 0 1 77 1 66 S20xD 3 2 4 5 1 77 1 66 S23xA 3 5 6 3 2 51 2 40 S23xD 3 2 4 5 2 51 2 40 M25xA D 5 0 6 4 2 51 2 40 M29xA 5 5 6 9 4 14 4 05 M31xA D 5 8 8 6 4 14 4 05 M35xA D 6 2 9 0 4 14 4 05 M41xA D 6 7 9 5 4 14 4 05 M47xA D 7 1 9 9 4 14 4 05 M34xA D 3 7 6 5 1 95 1 83 M42xA D 4 4 7 2 1 77 1 66 M50xA D 5 0 7 8 2 51 2 40 M58xA D 5 5 8 3 4 14 4 05 M66xA 6 0 8 8 4 14 4 05 L83xA D 5 8 5 8 8 3 4 14 4 05 L99xA 6 5 6 5 9 0 4 14 4 05 Tab 7a Refrigerant and oil pipe charge i Refrigerant pi harge ni Pipe diameter mm k m for distances D 5 Cil pipe charge I charge to be added for every c
64. ions Fig 8 Refrigeration connections Frontal view liquid line Liebert HPM SxxxA MxxxA LxxxA gas line Non return valve IL Refrigerant pipe inlet oG Refrigerant pipe outlet Notes recommended diameters see Table in Chap 4 Fig 9 Water connections Liebert HPM SxxxF H MxxxF H and LxxxF H Frontal view OWC IWC IWC Water to condenser inlet OWC Water from condenser outlet English Liebert HPM A W F D H Refrigerant and hydraulic connections Fig 10 Chilled water and refrigerant connections Liebert HPM SxxxD MxxxD and LxxxD Frontal view Non return valve IN lt gt OFC IFC OG IL IL Refrigerant liquid line inlet OG Refrigerant gas line outlet IFC Water inlet to Freecooling coil OFC Water outlet to Dry Cooler Fig 11 Chilled water and refrigerant connections Liebert HPM SxxxF H MxxxF H and LxxxF H Frontal view OFC IFC OWC IWC IWC Water to condenser inlet OWC Water from condenser outlet IFC Water inlet to Freecooling coil OFC Water outlet to Dry Cooler D 9 Liebert HPM A W F D H English Refrigeration circuits Fig 1 Liebert HPM Sxx U O A M25 47 U O A S
65. is immediately refilled The drain valve is kept shut and therefore as the steam does not contain any salts the conductivity of the water within the cylinder slowly increases until the HUMIDIFIER STEAM OUTPUT is obtained The length of the start up period depends upon the water conductivity For very conductive water it may occur that the HUMIDIFIER STEAM OUTPUT is obtained immediately A 5 Maintenance A 5 1 Removing the steam cylinder To remove the steam cylinder proceed as follows see Fig 0 1 Open the General Switch relative to the humidifier 2 Drain all the water from the cylinder by activating HUM DRAIN in the CONTROL Service menu several times see Control manual 3 Disconnect the steam hose S made of non conduc tive rubber 4 Disconnect the power electrode wires P and level sen sor wire L 5 Undo the clip R 6 Pull the cylinder C out of its gland at the bottom G A 5 2 Replacing the steam cylinder When the steam cylinder is approaching the stage where it needs to be replaced warning A25 is generated see Con trol manual to advise the user that the cylinder must be re placed To replace the cylinder proceed as follows see Fig c 1 Carry out the instructions in para A 5 1 2 Using the new cylinder carry out 4 6 of para 5 1 in re verse order 3 Connect ne steam hose S the clip on the hose needs to be tightened only slightly 4 Manually switc
66. ise direction If the superheat is too high compressor hot to the touch the screw must be turned in a counterclockwise direc tion 9 2 Adjustment of the hot gas injection valve as antifreeze mode and partial control of the capacity F D H and Constant THIS OPERATION MUST BE CARRIED OUT BY AN EX PERT REFRIGERATION TECHNICIAN 9 2 1 Features This valve is installed int some special versions see relevant refrigeration circuits It enables a partial control of the evap orating pressure so as to avoid evaporation temperatures lower than zero degrees centigrade and thus any ice forma tion chilled water side even with low temperatures of the return air It injects hot gas exiting the compressor before the evaporator through the gas liguid mixer so as to keep the pressure higher than the set value See the refrigeraton dia gram 9 2 2 Adjustment The min evaporating pressure is kept by calibrating the valve as follows e Drastically reduce the conditioner air delivery e Check by a precise pressure gauge the evaporating pressure and the relevant saturation temperature e Adjust the valve acting on the adjustment screw so that it intervenes when the evaporation temperature has de creased to 2 C Then check the correct operation of the thermostatic ex pansion valve 9 3 Chilled water valve F D and H only The 2 way F or 3 way D H valve controls the chilled wa ter flow and opera
67. lating power to ob tain these conditions 4 Chargethe unit until the working conditions of the entire refrigeration circuit have become normal 5 Using a manometer check that the evaporating temper ature is above 0 C 5 Verify that the superheat is 5 8 K to do this refer to para 9 1 4 3 Refrigeration circuits See drawings in Enclosure E 5 Water connections 5 1 General warnings ENSURE THAT THE TUBING DOES NOT OBSTRUCT THE AIR FLOW Under only IF THE TUBING IS TO RUN OUTDOORS ADD ETHYLENE GLYCOL TO THE CIRCUIT AS DESCRIBED IN PARA 5 5 5 2 Water connections Condensate drain Fig d Use galvanized steel PVC or flexible polythene tubing e Allow a 2 gradient towards the drain There must be a drain trap 1 placed at least 25 cm below the drain tray 2 In the units S18 S23 Mxx and Lxx the drain trap must be placed under the unit in the false floor Fill the drain trap with water 3 Fig d Condensate drain ATTENTION von OT CUT T OF THIS DRAIN TRAP EST OR THE DRAINING OF GES USE TEFLON TAPE AND CONNECTIONS to be connected by user BETWEEN FLEXIBLE Tupi Humidifier optional See Enclosure A Hot water optional e Use copper or steel Mannesmann tubing e Insulate both tubes using Armaflex insulation Liebert HPM A W F D H Chilled water connections DandH only Fig e e Use copper or steel Mannesmann tubing 5
68. ll light up together with the LED placed below the ON OFF switch The fan starts immediately the fan always works when the unit is ON after 2 minutes the regulation is activated so the cool ing compressor heating electric heaters humidifying and dehumidifying devices can start Adjust the set point as indicated in Control manual Stop the unit putting the ON OFF switch in OFF 7 3 Automatic restart If desired the unit will automatically restart on the return of power after a supply interruption see Control manual If the power interruption is expected to be of several hours to avoid an automatic cold restart of the compressor stop the unit before the black out and on the return of power allow the compressor to preheat before restarting the unit Fig h On Off switch pcm Rm 8 D and H only Bleed all air out of the chilled water circuit using the bleed valve on the chilled water coil mM i 9 If an external condenser or Dry cooler is installed start it by supplying power to it 10 Close all MCBs on the electrical panel 11 Check the supply voltage on all phases 12 Check the supply voltage on all phases for the external condenser or Dry cooler if fitted y XA 13 ENSURE THAT THE COMPRESSOR HAS BEEN PRE HEATED FOR AT LEAST 4 HOURS BEFORE START ING THE UNIT 14 Start the unit by pressing ON OFF see Fig h 15 Check the electrical absorption of all components see Chap
69. mediately filtered The TEMPERATURE sensor or HUMITEMP temperature rel humidity sensor check type installed verifies the state of the inlet air and relays this information to the control system Filtered new air is injected into the air stream via the Fresh Air Intake optional The treated air passes through the fans which operate continuously and is then dispersed out of the unit e Underunit only the air passes from the underfloor void into the room via air distribution outlets Liebert HPM A W F D H For UNDER units installed on raised floor switch off the machine before removal of the floor panels within a distance of 850 mm from the machine to avoid risks of contact with rotating devices fans moving and with hot heating elements see Fig j The control system compares the relayed information to the set point and proportional band values programmed into its memory it then commands the air conditioner to treat the air as follows see also Control manual COOLING Direct expansion mode DX The compressor is started and the cold refrigerant flows through the evaporator thus cooling the air passing over it For compressor operation see Control manual HEATING This can take one of three forms electrical heating optional the heating elements heat the air passing over them There are 3 heating steps hot water heating optional if hot water is available this flows throu
70. midifier technology available guaranteeing the steam as clean as possible to gether with simple maintenance Tab a Humidair specifications In order to obtain optimum performance from the HUMIDAIR it is advisable to read this manual carefully ABSORBED CYLINDER suppiy MAX DRAIN HPM HUMIDAIR MAIN POWER SUPPLIES SETTING CURRENT POWER WATER WATER MEI MODEL MODEL V 10 VOLUME QUANTITY kg h A kW 1 min min S04 05 KUECLA 230V 1ph 50Hz 0 6 2 0 6 5 1 5 1 7 0 6 4 0 S07 12 KUECLB 400V 3ph 50Hz 1 3 4 5 4 6 3 0 3 3 0 6 4 0 S07 12 KUECLC 230V 3ph 50Hz 1 3 4 5 8 0 3 0 3 3 0 6 4 0 KUECLD 400V 3ph 50Hz 2 7 9 0 9 0 5 8 5 5 0 6 4 0 SEN KUECLE 230V 3ph 50Hz 2 7 9 0 15 6 5 8 5 5 0 6 4 0 M31 66 KUECLD 400V 3ph 50Hz 3 9 13 0 13 0 9 0 5 5 0 6 4 0 M31 66 KUECLE 230V 3ph 50Hz 3 9 13 0 22 5 9 0 5 5 0 6 4 0 L83 99 KUECLD 400V 3ph 50Hz 3 9 13 0 13 0 9 0 5 5 0 6 4 0 L83 99 KUECLE 230V 3ph 50Hz 3 9 13 0 22 5 9 0 5 5 0 6 4 0 Tab b Humidair specifications for Displacement unit MAX MAX MAX DRAIN ABSORBED CYLINDER SUPPLY HPM HUMIDAIR MAIN POWER SETTING CURRENT POWER WATER WATER AUS MODEL MODEL V 10 VOLUME QUANTITY 2 kg h A kW 1 min Vmin S04 05 D KUECLA 230V 1ph 50Hz 0 6 2 0 6 5 1 5 1 7 0
71. nd marketing emea emersonnetworkpower com controls monitoring and connectivity All solutions are supported power and precision cooling systems embedded computing and Emerson Network Power Service EMEA Via Leonardo Da Vinci 16 18 Zona Industriale Tognana services from Emerson Network Power improve the utilization 35028 Piove di Sacco PD Italy globally by local Emerson Network Power service technicians Liebert power precision cooling and monitoring products and and management of data center and network technologies by Tel 439 049 9719111 Fax 39 049 9719045 increasing IT system availability flexibility and efficiency For more service emea emersonnetworkpower com information visit www liebert com www emersonnetworkpower com or www eu emersonnetworkpower com United States 1050 Dearborn Drive P O Box 29186 Columbus OH 43229 Tel 1 614 8880246 Asia 7 F Dah Sing Financial Centre 108 Gloucester Road Wanchai Hong Kong While every precaution has been taken to ensure the accuracy Tel 852 2572220 and completeness of this literature Liebert Corporation assumes no responsibility and accepts no liability for damages resulting from use of Fax 852 28029250 this information or for any errors or omissions 2008 Liebert Corporation All rights reserved throughout the world Specifications subject to change without notice Liebert and the Liebert logo are registered trademarks of Liebert Corporation All names referred
72. ng up only if there are any leaks is EMKARATE RL 32 3MA or Mobil EAL Arctic 22CC see Tab g and Tab h Tab g EMKARATE RL 32 3MA oil for R407C only Viscosity at 40 C 31 2 cSt Viscosity at 100 C 5 6 cSt Viscosity index ISO Grade 32 Tab h Mobil Arctic EAL 22CC oil for RA07C only Density at 15 C 0 967 kg l Flash point C O C 245 C Pour point lt 54 C Viscosity at 40 C 23 6 cSt Viscosity at 100 C 4 7 cSt Viscosity index ASTM D2270 130 These oils rapidly absorb the humidity present in the air when they are exposed to the atmosphere If the oil absorbs humidity the ester molecules can break Liebert HPM A W F D H down forming acidity We therefore recommend exposing the oil for as short a time as possible no more than a few minutes and in case of top ping up using exclusively the oil indicated on the refrigerat ing compressor Normally 1 or 2 litre cans are available for this purpose once they are opened they must be completely used up They must not be used after a long period as they absorb humidity It is therefore obvious that the taps of the compressor must only be turned after the whole plant has been subjected to a vacuum and partial filling 10 4 3 Oil charge R22 The oil to be used when topping up only if there are any leaks is SUNISO 3GS Tab i Suniso 3GS oil for R22 only Density at 15 C 0 91 kg l Flash point C O
73. oil option is available 3 Provide for a connection with refrigerant cylinder be fore making vacuum 4 Make the system vacuum up to a residual pressure of 0 7 absolute mbar then go on for 30 minutes The pressure must be measured by means of a vacuum pressure gauge 10 b on the system side If the complete vacuum is not possible this means that there are some leaks to be removed according to the in structions given in 6 below NEVER USE THE COMPRESSOR TO CREATE A VACUUM THIS INVALIDATES ITS GUARANTEE 5 Break the vacuum as follows a Close the cock 10a of the vacuum pump 10 b Open the cock of the refrigerant cylinder 11a until the system reaches a pressure value of about 1 bar c Atthis point both the vacuum pump and the refriger ant cylinder can be disconnected as follows ci close the cylinder cock 11a C2 close the way 1 4 SAE of the Rotalock cocks and of the connected Schrader valves 6 Inspectall connections joints using a leak detector If a leak is found empty the pipes and the condenser seal the leak and repeat the instructions in 3 6 4 2 3 Refrigerant charge A and D 1 Start the unit as described in para 7 1 Liebert HPM A W F D H 2 Manually start the compressor ensure the unit is not in the dehumidification phase 3 Guarantee a constant condensation temperature preferably 42 45 C if necessary partially obstruct the condenser coil surface or limit its venti
74. oles le UNIT FRONT i d Version Models Unit Connection w D E M31 35 OD 16 mm OD 16 mm M41 47 IL1 Refrigerant liquid line inlet 1 OD 18 mm OD 18 mm M31 35 OD 18 mm OD 18 mm M41 47 061 Refrigerant gas line outtlet 1 OD 22 mm OD 22 mm M31 35 41 47 IWC1 Water to condenser 1 inlet 1 1 4 GAS F 1 1 4 GAS F M31 35 41 47 OWC1 Water from condenser 1 outlet 1 1 4 GAS F 1 1 4 GAS F Mxx IHW Hot water inlet opt OD 22 mm Mxx OHW Hot water outlet opt OD 22 mm M31 35 IFC F 14 4 GAS F M41 47 IFC F Water inlet to Freecooling 14 2 GASF M31 35 OFC F 14 4 GAS F M41 47 OFC F Water outlet from Freecooling 14 2 GASF M31 35 IFC D H 14 4 GAS F 14 4 GAS F M41 47 IFC D H Water inlet to Dualfluid 1 1 2 GASF 11 2 GAS F M31 35 OFC D H 14 4 GAS F 14 4 GAS F M41 47 OFC D H Water outlet from Dualfluid 1 1 2 GASF 11 2 GAS F Mxx CD Condensate drain ID 20 mm Mxx HF Humidifier feed opt 1 2 GAS M Mxx HD Humidifier drain opt ID 22 mm Mxx EC Electrical power supply Hole 0 48 mm Connection size only The dimension of the connecting pipe depends on unit model and refrigerant see Tab c on para 4 1 2 Liebert HPM A W F D H English Refrigerant and hydraulic connections
75. onent Component ELECTRICAL HEATING HUMIDIFIER Model FLA A Maure d FLA A d 230V 1Ph 50Hz S04 05U O 6 5 1 5 6 5 1 5 400V 3Ph 50Hz S07 10 12U O 6 5 4 50 4 6 3 0 13 17 20 23 U O 8 6 5 85 9 0 5 8 M25 29U O 11 0 75 9 0 5 8 M31 66U O 22 0 15 0 13 0 9 0 L83U 26 0 18 0 3 13 0 9 0 L99U 26 0 18 0 3 13 0 9 0 Component go dbi Model OA A FLA A LRA A bii ES S13UA 1 00 4 0 0 1 0 62 S17UA 1 17 4 0 0 1 0 72 S20UA 1 55 4 0 0 1 0 96 S23UA 2 39 4 0 0 1 1 48 M25UA 1 77 4 0 0 1 1 08 M29UA 2 32 4 0 0 1 1 44 M31UA 2x0 73 2x4 0 2x0 1 2x 0 45 M34UA 2x1 04 2x40 2x0 1 2 x 0 65 M35UA 2x1 04 2x40 2x0 1 2 x 0 65 MAUA 2x 1 58 2x 4 0 2x0 1 2 x 0 98 M42UA 2x1 59 2x40 2x0 1 2 x 0 99 MATUA 2x2 25 2x40 2x0 1 2x 1 40 M50UA 2x2 25 2x40 2x0 1 2x 1 40 M58UA 2x247 2x40 2x0 1 2x 1 52 MEGUA 2x8 18 2x40 2x0 1 2x 1 94 L83UA 2x3 00 2x5 0 2x0 1 2x 1 92 L99UA 2x8 54 2x5 0 2x01 2x2 30 At standard operating conditions ESP 20 Pa for Under units MxxUA Filters class G4 English Liebert HPM A W F D H Technical data table Tab 5 Calibrations of electrical components Refrigeration Circuit Item COMPONENT SETTING NOTES Contact no STOP 1 barg START 2 barg 16 Low Pressure Switch LP C MEL paka fiked setting automatic re Delayed set automatic
76. pressure Storage conditions Outdoor temperature lower limit Exceeding of winter lower limits will temporarily cause a compressor stop below 21 C Consult HPAC Technical Sales Support a from 9 C to down to 10 C 20 C standard unit VARIEX required Outdoor temperature higher limit This limit is determined by coupled condenser model Exceeding ofthis limit or a lack of maintenance will caused a compressor stop by HP safety thermostat Reset to normal operation can only be carried out manually Liebert HPM A W F D H Relative position room unit vs remote condenser From unitto condens from 30 to 50 m er max distance equivalent length From unitto condens er max geodetic height 1 2 Pipe diameter from 30 m to 8m see Tab c Oil traps on vertical line of gas refrige every 6 m max rant Extra oil charge Variex installation Hot gas reheat Additional non re turn valve on delive ry line at 2 m from compressor see Tab 7 mandatory oversized 15 NOT allowed mandatory For W F and H units Water or mixture temperature to condenser min 5 C lower limit other information par 5 4 i For F D and H units Chilled water circuit inlet water temperature Max differential pressures on the modulating valve 2 or 3 ways Max differential pressure through the closed valve Apc Max differential pressure across the valve for modulating service
77. t show all valves The air conditioner has already been factory s For calibrations of instruments installed on the external condensers Dry coolers refer to the relevant manual s For control system calibrations refer to Control manual to prevent erratic operations do not use temperature and rel humidity set points proportional bands which differ excessively from the Standard Settings 9 1 Setting the thermostatic expansion valve THIS OPERATION MUST BE PERFORMED BY AN EXPERI ENCED REFRIGERATION TECHNICIAN The valve has been factory preset and if necessary should be reset as follows 1 IMPORTANT Ensure that the instructions in Chap 4 have been carried out 2 Allow the compressor to operate for 15 mins 3 Measure the superheat as follows a Placea contact thermometer on the tube exiting the evaporator b Connect a manometer by a tube of max 30 cm to the compressor suction valve c The overheating is the difference between the refrig erant saturation temperature corresponding to the pressure read on the manometer and the real tem perature read on the thermometer 4 The superheat must be 5 8 K if not set the expansion valve as follows a Remove the protective cover b Turn the adjustment screw by 1 4 turn only c Wait 10 minutes d Measure the superheat and repeat the operation if necessary N B If the superheat is too low compressor cool to the touch the screw must be turned in a clockw
78. t water reheating coil optional SUPPLY LIMIT SUPPLY LIMIT HOT WATER OUTLET HOT WATER INTET POS Optional components 3 Hot water coil 4 Hot water 3 way valve F 1 Liebert HPM A W F D H Englist Maintenance Fig 1 Compressor removal Liebert HPM L83 99 only STEEP 1 STEEP 2 STEEP 3 STEEP 4 STEEP 1 remove 1 2 3 and 4 STEEP 2 remove 5 6 and 7 STEEP 4 remove compressor STEEP 3 remove 8 remove screws from compressor Liebert HPM A W F D H English gt Fabbricante Manufacturer Hersteller Fabricant Fabricante y Fabricante Tillverkare Fabrikant Valmistaja Produsent E M E RSON Fabrikant Kataoxevaomt Producent Emerson Network Power S r l Zona Industriale Tognana Via Leonardo da Vinci 16 18 35028 Piove di Sacco Padova Italy Il Fabbricante dichiara che questo prodotto conforme alle direttive Europee The Manufacturer hereby declares that this product conforms to the European Union directives Der Hersteller erkl rt hiermit dass dieses Produkt den Anforderungen der Europ ischen Richtlinien gerecht wir
79. tes as follows Fig k e When the valve is fully open i e max chilled water flow the actuator slot is set to 1 When the valve is closed i e no chilled water flow the actuator slot is set to 0 The valve running time is set to the value specified in the Control Manual Note 1 In the unlikely event of control system failure the valve can be manually controlled by means of the rotary knob It can be used to drive the actuator into any position between 0 and 1 Note 2 When actuator stem is completely down the valve is open and chilled water coil is supplied Fig k Position of the chilled water valve actuator for 2 or 3 way valve Position indicator on 0 CLOSED valve 3 way valve by pass open Position indicator on 1 OPEN valve 3 way valve Dy pass closed Liebert HPM A W F D H 12 13 9 4 Water condenser flow control valve F only Solenoid 2 way Fig K shown valve controls the plate condenser water flow This valve is equipped with a hand driven opening system and a closing speed control Opening hand drive can be used when a main control failure occurs and is made by a cylindrical headed screw screw 1 which has two position Closed valve closed if letter C is turned upside Open When from the Closed position the screw is turned to t
80. tic restart zoe eso pner ER EUR esee Aa Gall sane Ke han 10 7 4 Checking the refrigeration piping pressure drops 11 BDO A A A a A a E 11 9 Calibrations amp Regulation at start up cccooococcocococcoccoccocccoccoccococm occcc 12 9 1 Setting the thermostatic expansion vave nunne rarena n anana 12 9 2 Adjustment of the hot gas injection valve as antifreeze mode and partial control of the capacity F D Hand Constant 12 9 3 Chilled water valve F D and H only ae e ae e Im rh 12 9 4 Water condenser flow control valve F only 22 13 9 5 Water leakage sensor Liquistat 13 9 6 Environment protection ssa pena nes nba E RD R RE R DER KR BEN Dn BR ERA 13 10 Maintenance Spare Parts ccooooooooooocococococ cocoa 13 10 1 Safety Ee 13 10 2 Spare parts i t ore RI PR BEN des Pan BB O AA Aan Beng 13 10 3 Maintenance sclhied ule su nene er dE na RER nana 13 10 4 Refrigeratlon cIrcult oos oet eden re ties dane dat nece ee e POPE UR e hie 15 10 5 Dismantling the up cit AR EE 15 10 6 Regulation EC no 842 2006 F gas 16 Enclosures HUMIDAIR humidifier ooooococoococoococoocococococ oo o oW oc ooW oW
81. tioner must never be installed out of doors See drawings in Enclosures C 3 1 Base module If there is no raised floor below the unit it must be placed on a base module to allow access to the external connections The conditioner is connected to the base module by 4 Screws 4 Refrigeration connections 4 1 Refrigeration pipeline connections A and D The air condensing units are delivered helium pressur ized at 1 bar The discharge operation of the room unit pressurized with helium at 1 bar and the N de welding of the bottoms from the connections must be carried out as last operations immediately followed by the connection and emptying of the whole system 4 1 1 General layout Tab b 1 In soft or hard copper The diameter required is stated in Tab c If the installer intends to use pipes of a larger diameter Liebert HPM A W F D H e g for long winding runs then consult HPAC Technical Sales Support Use as short refrigeration pipelines as possible to mini mize the total charge of refrigerant and the pressure drops For long runs over 50 equivalent m contact HPAC Technical Sales Support Lay the horizontal gas pipes with 1 downward gradient towards the refrigerant flow 2 Reduce the number of bends which must be of large ra dius to a minimum 3 Insulate the piping as specified in Tab b If the pipes are put next to electrical cables it is advised to insulate them to
82. troller and the main switch Post a warning sign saying DO NOT SWITCH ON Electrical components of device have to be switched off and be checked that they are not under voltage Ignoring the safety instructions can be dangerous to per sons as well as to the environment Soiled parts always cause a loss of performance and for Switch or control devices can lead to the break down of a plant 10 2 Spare parts Only original spare parts made by Emerson Network Power may be used Using third party material can invalidate the warrantee When making inquiries always refer to the Com ponent List supplied with the equipment and specify the model number serial number and if available the part num ber as well NOTES 1 When a faulty component is replaced follow the relevant manufacturer instructions 2 When the spare parts must be welded be carefully do not damage the internal parts gaskets seals o rings etc See as an example Fig m Liebert HPM A W F D H This solution assures alarm intervention for real flooding risk only Fig Regulation of water condenser flow control valve 9 6 Environment protection A misuse or an incorrect calibration of the unit leads to in creased energy consumption resulting in an economic and environmental damage Use the freecooling function if available Fig m CPCE valve Max 140 C 285 F Silfoss 15 nus 1596 A
83. uant to Art 4 Recovery of Reg 842 2006 shall take place before the final disposal of that equipment and when appropri ate during its servicing and maintenance Operator according to Reg 842 2006 Article 2 point 6 means the natural or legal person exercising actual pow er over the technical functioning of the equipment and system covered by the Regulation The State may in de fined specific situations designate the owner as being responsible for the operator s obligations Direct methods of leakage checking approved by the manufacturer Reg 1516 2007 and Reg 1497 2007 a gas detection device adapted to the refrigerant in the system the sensitive of portable gas detection de vices as a direct test method shall be at least five grams par year b proprietary bubble solutions soapsuds Additional information located into a dedicated label of unit Reg 1494 2007 a Where fluorinated greenhouse gas is foreseen to be added to the equipment outside of the manufactur ing site at the point of installation a dedicated label accommodates notation of both the quantity kg pre charged in the manufacturing plant and of the quantity charged at the installation site as well as the resulting total quantity off gas as a combination of the above mentioned quantities in a manner which conforms to the legibility and indelibility Our split units are usually not pre charged on facto ry in this case the total quantit
84. ugh service area UNDER DISPLACEMENT Electrical connection path directly to the electrical panel OVER Liebert HPM A W F D H English Liebert HPM M25 29 Installation drawings Liebert HPM M31 66 gt Electrical connection path through service vane UNDER OVER Liebert HPM L83 99 English gt LE Liebert HPM A W F D H E Refrigerant and hydraulic connections Fig 1 Refrigerant water and electrical connections Liebert HPM S04 05 Plan view g g i no 4 holes 0 48 _ EC CD HF HD OG IL OWC IWC rt EE na 18 XT OHW OHW IHW IHW over under under over 19 ata m a N o o 70 55 55 55 350 50 115 Lg e e e e m La 590 a 75 85 L 750 e UNIT FRONT Version Unit Connection A w IL Refrigerant liquid line inlet OD 12 mm OG Refrigerant gas line outlet OD 12 mm IWC Water to condenser inlet 1 2 GAS F OWC Water from condenser outlet 1 2 GAS F IHW Hot water inlet opt OD 16 mm OHW Hot water outlet opt OD 16 mm CD Condensate drain ID 20 mm HF Humidifier f
85. ust be 2 10 bar if this is not so contact the Technical Support Department e The required water flow at different temperatures is given in our catalogues or on request e If necessary very low water temperature insulate both pipes using Armaflex insulation English 5 4 2 Notes for closed circuit applications 5 5 The installation in Fig f is indicative only for individual installations follow the project diagram Install a pump system calculated on the basis of the flow and total head of the system see project data and controlled by the compressor running see label on the unit Insulate both pipes using Armaflex insulation VERY IMPORTANT Add water and ethylene glycol to the circuit when the ambient temperature is below zero re ferring also to para 5 5 Do not exceed the nominal op erating pressure of the circuit components Bleed air out of the circuit Adding ethylene glycol Tab f Ethylene glycol to be added to water NOTES To avoid stratification run the circulation pump for at least 30 min after adding any glycol After adding water to the water circuit disconnect the unit from the sanitary water piping system inthis way the water mixed with glycol won t return into the same piping system After any topping up of water check the glycol con centration and add any glycol if necessary The hydraulic features of the system vary by adding gly col Therefore check the
86. valve optional Safety thermostat Check valve Manual bleed valve Shut off valve Water solenoid valve by the customer English Liebert HPM A W F D H E 17 Refrigeration circuits Fig 18 Liebert HPM L83 U H en comm hr Oy cond ONLY WITH REHEATING COIL OPTION Cx Dir d L lt D 16 e GA ely Vin 2 WES aK LA Vi LAN Mn AW ZX Ke A A gt 9 3 VN oa OPO A 1 N N 7 m E OE Eze 3 Ea SA B C C gt py COOLING WATER OUTLET DH es E a lt COOLING WATER INLET gt SUPPLY LIMIT A _ L C SUPPLY LIMIT _ DESCRIPTION Crankcase heater High pressure switch HP Water cooled condenser Liquid receiver Access valve s meone s Samoa Hot gas ON OFF solenoid valve optional Check valve Shut off valve E 18 Liebert HPM A W F D H Pos DESCRIPTION Reheating coil optional Evaporator Low pressure switch LP 37 Shut offsolenoidvave 38 Head pressure controlvalve 70 Chiled waterS wayvave Chilled water
87. y of refrigerant charged in the unit has to be written in the relevant label during the commissioning operation at the installation site b Our packaged units not split operating with f gas are usually full charged on factory and the total amount of refrigerant charge is already reported on the label In this case the label has no need of further written information c In generally the above mentioned information has been located in the main nameplate of relevant unit d For equipment with double refrigeration circuits in regards to differentiates requirements on the basis of the quantity of f gas contained the required infor mation about refrigerant charge quantities has to be listed separately for each individual circuit e For equipments with separate indoor and outdoor sections connected by refrigerant piping the label information will be on that part of the equipment which is initially charged with the refrigerant In case of a split system separate indoor and outdoor sec tions without a factory pre charge of refrigerant the mandatory label information will be on that part of the product or equipment which contains the most suitable service points for charging or recovering the fluorinated greenhouse gas es Safety data sheets of f gases used into the products are available on demand English Liebert HPM A W F D H 16 App A HUMIDAIR humidifier A 1 Preface The HUMIDAIR represents the best hu

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