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Summary of Contents for Vertiv Liebert EFC
- Page 1 Liebert ® The Highly Efficient Indirect Evaporative Freecooling Unit Unit configuration 3.5 (Composite heat exchanger) User Manual English, 10040805MAN_ENG, rev. G - 30.03.2023...
- Page 3 • After opening the door pay attention to the cable and components still energized. • Open the main switch to cut off the power before removing any protective cover. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 4 Water Quality Requirements: make sure the water supplied to the unit and the water into the recirculation system are in line with the water specification as per Chapter 3.2. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 5 OPERATING AIR HUMIDITY Max. Hydraulic Circuit Pressure [bar] Unit Net Weight [kg] CIRCUIT MAX. PRESSURE Manufacturing Date NET WEIGHT Model Serial Number MANUFACTURING DATE Power Input Refrigerant’s Global Warmig Potential VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 6 Digit 25 - Special Requirements ePM10 50% (M5) + Clogged Filter None Digit 17 - Devices None Predisposition for Low Ambient Kit Overpressure Protection Predisposition for Low Ambient Kit + Overpressure Protection VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 7 (Identical to unit digit 13) Top air discharge All (top+sides) discharge Digit 10 - Packing (Identical to unit digit 22) P Standard S Seaworthy + skid for flat rack VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 9: Table Of Contents
9.9 - Regulation (EU) no. 517/2014 (F-gas) ............................41 9.9.1 - Introduction ..................................41 9.9.2 - Normative References ..............................41 9.9.3 - Fluorinated Greenhouse Gases ............................41 9.9.4. Operators ...................................41 9.9.4.1 - Definitions ................................41 9.9.4.2 - Obligations ................................41 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... - Page 10 ......................Enclosure A - Technical data table ........................Enclosure B - Dimensional Data/Connections ....................Enclosure C - Refrigerant, hydraulic and electrical connections ..............Enclosure D - Accessories ........................... viii VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 11: General Description
There is no need Liebert EFC is Vertiv™ answer to the latest and future Data ® to run the evaporative system and the cooling capacity is Center needs. - Page 12 Access to the these to work together as a single system, thus optimizing overall units installed in the data center, is granted through the Ethernet system performance. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 13 (10), the safety valve and the thermostatic expansion valve (11). When the unit is equipped with a DX backup system the Data Center air passes, after it exits the air-to-air heat exchanger (3), VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 14 (perimeter ® both on the data center side and on the side of the outside air, in configuration or roof configuration). Roof Configuration VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 15 Perimeter Configuration Top Suction Configuration VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 16: Operating Limits
Approved Remote Air Condenser To ensure correct operation, best performance, and longest life the units must be connected to remote condensers approved by Vertiv™. The warranty clauses are no longer valid if the unit is connected to an unapproved remote condenser. -
Page 17: Preliminary Operation
Read all of the following instructions before attempting Damage should be immediately reported to the carrier and a to move, lift, remove packaging, or preparing unit for damage claim filled in with a copy sent to Vertiv™ or to your sales installation. representative. - Page 18 STRAIGHT SHACKLE SIZE 25 (1") (UNI 1947) "A" TYPE (NOT SUPPLIED WITH LIFTING TUBES OPTION) DET. "A" BASEMENT DET. "A" BASEMENT LIFTING TUBES OPTION FIXING NUT LIFTING TUBE PROTECTION GASKET LIFTING BRACKET VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 19: Unit Weight
0 - None Unit X - DX Backup (1 single digital) Configuration EFC250 T - DX Backup (1 tandem digital) EFC300 D - DX Backup (2 tandem digital) EFC320 EFC400 EFC440 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... - Page 20 STRAIGHT SHACKLE SIZE 25 (1") (UNI 1947) "A" TYPE (NOT SUPPLIED WITH LIFTING TUBES OPTION) DET. "A" BASEMENT DET. "A" BASEMENT LIFTING TUBES OPTION FIXING NUT LIFTING TUBE PROTECTION GASKET LIFTING BRACKET VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 21: Water System And Water Quality Requirements
External air filters: to prevent water from splashing out the sump and filter external air. • Flow meter; Fig. 3.1 - Nozzles spray water on the surface of the heat exchange VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... -
Page 22: Water Quality
An adequate water treatment program on feed water and make-up water should be evaluated and eventually implemented, considering to use only chemicals approved from Vertiv™. Based on a case-by-case risk assessment, a specific water treatment program to control microbiological growth must be evaluated and eventually implemented to avoid any additional risk for health and safety in compliance with local requirements/legislation. - Page 23 Avoid the contact of any part of the EFC with any type of organic solvent and aggressive detergent even if present in aqueous and/or diluted solution. Use only approved chemicals for descaling, anticorrosion, disinfection and cleaning: not approved substances could damage the unit components and invalidate the warranty. Contact Vertiv™ Service for approved chemical specifications.
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Page 24: Maintenance
NOTE: if the recirculating water specific conductivity set on unit control has been changed, set the conductivity delta value as specific conductivity set value / 4. Vertiv™ reserves the right to change the above instructions and parameters if necessary, promptly informing the customer. - Page 25 Unlocking is manual or automatic by applying the operating voltage. Please note: The hand crank may only be operated when the actuator is deenergised. Figure 3.3 - Water filters Water filter Flow switch VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 26 Figure 3.5 - Droplet separator Droplet separator NOTE: Here shown the single unit left, on the single unit right the level switch and conductivity sensor are on the opposite side. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 27 Figure 3.6 - Evaporative system nozzles VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 28: Assembly
FIX WITH SCREW M8 x 12 GASKET GASKET DET. A DETAIL BRACKET FOR FIX EFM TYP. 4 PLACES Fix the joint provided, see picture above. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... - Page 29 In order to remove fan module panels, remove before external panels (painted), then remove the middle internal panel prior to removing right and left internal panels. Pay attention not to damage the heat exchanger while removing internal panels. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023...
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Page 30: Refrigeration Connections
Support both horizontal and vertical pipes with vibration- damping clamps (which include rubber gaskets). Place these SOLDER TYPE 5% Ag every 1.5 - 2 m. Fig. 5.1 - Recommended pipe layout COVER COVER COVER VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... -
Page 31: Pipe Diameter (Remote Condenser)
Check the refrigerant type to be used on the the connection and emptying of the whole system. data plate of the unit and on the refrigerating compressor. Lay the piping, taking note of the following: VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... -
Page 32: R410A Precharge
The refrigerant must be introduced and 5.3. Refrigerant circuits charged on the evaporator inlet (5/16ʺ Schrader valve) taking only liquid fluid from the cylinder. The refrigerant circuits are presented in Enclosure VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... -
Page 33: Positioning
Allow a 1% gradient (0.5°) towards the water discharge valve (see drawing above) to facilitate good drainage. Example calculation: dh = L/100. Make sure the unit is perfectly leveled on the other direction. Frontal view 0% gradient (0.0°) VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... -
Page 34: Suitability Of Installation Area
3400 (4400 with Low Ambient Kit) 2000 1000 NOTE: (1) space for ordinary maintenance: for extraordinary maintenance (heat exchanger, finned coils and fan module removal) the unit wide dimension space is required VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... - Page 35 1117.0 43.98 5000.0 196.85 4587.0 180.59 3493.0 3470.0 137.52 136.61 10.0 DET. C 10.0 (RUBBER) Note: Insert rubber the between the basement and the structure that supports the unit. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 36 1217.0 47.91 5100.0 200.78 4687.0 184.52 3493.0 3470.0 137.52 136.61 10.0 DET. C 10.0 (RUBBER) Note: Insert rubber the between the basement and the structure that supports the unit. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 37 Overall unit dimensions EFC440 Note: Insert rubber the between the basement and the structure that supports the unit. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 38 3400 (4400 with Low Ambient Kit) 2000 1000 Notes: (1) space for ordinary maintenance: for extraordinary maintenance (heat exchanger, finned coils and fan module removal) is required the unit wide dimension space VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 39: Water And Drain Connections
2362.5 216.7 172.5 1248.3 50.0 93.01 8.53 6.79 49.15 1.97 4000.0 157.48 WATER DISCHARGE WATER FEEDING OD 50 mm R 3/4 - ISO 7/1 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... -
Page 40: Air Connections
The unit name plate and the literature supplied with the unit show the electric features and the maximum full-load current input of all VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... - Page 41 Refere to pictures below for electrical connections path - For EFC400 and EFC440 unit. SINGLE UNIT LEFT, WITHOUT ATS SINGLE UNIT RIGHT, WITH ATS SINGLE UNIT RIGHT, WITHOUT ATS SINGLE UNIT LEFT, WITH ATS VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 42: Protection Degree Ip2X Check
(e.g. outdoors), they are to be started-up and operated at full speed for at least two hours once a month to move the bearings and allow any condensate that may have ingressed to evaporate. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... -
Page 43: Operation
VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... -
Page 44: Spare Parts
9.1.2 - Spare parts Only properly trained personnel wearing appropriate safety headgear, gloves, shoes, glasses and safety Only original spare parts made by Vertiv™ may be used. Using sling hook on scaffolding to work at height, should third-party material can invalidate the warranty. - Page 45 With Low Ambient Kit option, rotate the damper upwards to access to external air filters. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 46: Fans
Due to the weight of the fans (approx. 35 kg) and the panel (up to 25 kg), two technicians are required to carry out fan replacement. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... - Page 47 Remove safety grids, disconnect the electrical cables, unscrew the 12 screws that fix the fan assembly with the unit; Remove the fan assembly from the unit. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 48: Dampers (If Installed)
Viscosity at 100°C : 4.7 cSt oil inside the circuit must be recovered according to the Viscosity index (ASTM D2270) : 130 laws in force in the relevant country. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... -
Page 49: Regulation (Eu) No. 517/2014 (F-Gas)
Prevent leakage of these gases and as soon as possible repair any detected leakage. Ensure that they are checked for leakage by certified personnel. Ensure for putting in place arrangements for the proper recovery by certified personnel. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... -
Page 50: Leakage Detection
In this case, the label has no need of further written information. In general, the above mentioned information has been located in the main nameplate of relevant unit. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023... -
Page 51: Record Keeping
Unless the records are stored in a database set up by the competent authorities of the Member States the following rules apply: the operators shall keep the records for at least five years undertakings carrying out activities for operators shall keep copies of the records for at least five years VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... - Page 52 Check oil level at the sight glass (where sight glass is available). Carry out a test to check humidity inside oil Check crankcase heater for function. Check digital modulation - solenoid valve VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 53 Clean droplet separator (figure 3.6) NOTE: in case of high solid deposit or in case of droplet separator surface DROPLET SEPARATOR damage, replace with new one. Replace droplet separator (figure 3.6) VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 54: Anomalies And Their Probable Causes
Rotating parts out of balance Call Technical Department and/or vibrations are transmitted Foreign matters in rotating parts Clean internal part (while unit is out) toward the plant Air overflow See anomaly 3) VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... - Page 55 • In case of frequent over-voltages with mains impulse, it is advisable to install a selective differential and to evaluate the need for adopting other devices. VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 A - 1 ®...
- Page 56 2 x 3.25 EFC440_ _ _D 27 + 27 4 x 3.25 2.0 + 2.0 (*) The recommended oil for units with R410A refrigerant is EMKARATE RL 32-3MAF A - 2 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 57: Enclosure A - Technical Data Table
1/2 and the minimum). (Distance) D = a + b + c NOTE: The refrigeration circuit is supplied pressurized with helium at 2 bar. COND = Condenser VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 A - 3 ®... - Page 58 Filter Coarse 60% = 2 mbar Setting Differential Pressure ePM10 50% = 3 mbar ring Switch (CF) Normally closed Safety Valve Setting Pressure 45 bar Conductivimeter A - 4 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 59 (if installed) Actuator for water draining valve Modulating action All versions SRF24A-R (if installed) Ball valve for water draining Modulating action All versions Belimo K240B (if installed) VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 A - 5 ®...
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Page 60: Enclosure B - Dimensional Data/Connections
Enclosure B - Dimensional Data/Connections Liebert EFC250 Single Unit Left ® B - 1 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®... - Page 61 Enclosure B - Dimensional Data/Connections Liebert EFC300 Single Unit Left ® VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 B - 2 ®...
- Page 62 Enclosure B - Dimensional Data/Connections Liebert EFC320 ® B - 3 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 63 Enclosure B - Dimensional Data/Connections Liebert EFC400 ® VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 B - 4 ®...
- Page 64 Enclosure B - Dimensional Data/Connections Liebert EFC440 ® B - 5 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 65: Enclosure C - Refrigerant, Hydraulic And Electrical Connections
THERMOSTATIC EXPANSION VALVE SIGHT GLASS FILTER DRYER SAFETY VALVE ACCESS VALVE 5/16 SAE LIQUID RECEIVER AIR COOLED CONDENSER HIGH PRESSURE SWITCH CRANKCASE HEATER DIGITAL SCROLL COMPRESSOR VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 C - 1 ®... - Page 66 THERMOSTATIC EXPANSION VALVE SIGHT GLASS FILTER DRYER SAFETY VALVE ACCESS VALVE 5/16 SAE LIQUID RECEIVER AIR COOLED CONDENSER HIGH PRESSURE SWITCH CRANKCASE HEATER SCROLL COMPRESSOR DIGITAL SCROLL COMPRESSOR C - 2 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 67 ACCESS VALVE 5/16 SAE SHUT OFF SOLENOID VALVE LIQUID RECEIVER SHUT-OFF VALVE AIR COOLED CONDENSER CHECK VALVE HIGH PRESSURE SWITCH CHECK VALVE 10 bar CRANKCASE HEATER COMPRESSOR VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 C - 3 ®...
- Page 68 UV LAMP (WHERE INSTALLED) FLOW METER FILTER FLOW SWITCH BALL VALVE MANOMETER MOTORIZED BALL VALVE VALVE DRAIN PANEL PUMP SPRINKLERS LEVEL SWITCH CONDUCTIVIMETER PLATE HEAT EXCHANGER PRESSURE REGULATOR C - 4 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
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Page 69: Enclosure D - Accessories
A top suction ducting accessory is available to allow perimeter configuration; this layout allow to suct the air from the unit top/back and delivering it on the same side. See material specification on table D.1 Removable ducts for external fans maintenance VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 D - 1 ®... - Page 70 The duct system (panels, flanges, sealing) has a leakage rate class C as per UNI EN 13403 (max leakage LEAKAGE RATE rate: 0.22 [l/(s*m²)] @ -750 [Pa], 0.15 [l/(s*m²)] @ +400 [Pa], 0.27 [l/(s*m²)] @ +1000 [Pa], 0.42 [l/(s*m²)] @ +2000 [Pa]. D - 2 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 71 The insulation material is a closed cell, chemically cross-linked polyolefin resin foam (th. 20 mm) covered with aluminium (th. 50 um), thermal conductivity is 0.04 W/mK. Removable panels for probes access VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 D - 3...
- Page 72 In particular, water should be regularly tested and if needed, treated to either control the growth of legionella (and other microorganisms) or limit their ability to grow. D - 4 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 73 In case of extreme low temperature, a low ambient kit is available to recirculate part of the exhaust air discharged on the external side (hot) on the unit external side inlet Removable panels for droplet separator access Removable panels for droplet separator access VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 D - 5 ®...
- Page 74 D.5 - DAMPERS Dampers are available to close the datacenter air inlet/outlet side to allow unit isolation/maintenance in case of other units connected on the same main duct. D - 6 VERTIV™ - Liebert EFC - UM - 10040805MAN_ENG - 30.03.2023 ®...
- Page 76 , via Leonardo Da Vinci 16/18, Zona Industriale Tognana, 35028 Piove di Sacco (PD) Italy, Tel: +39 049 9719 111, Fax: +39 049 5841 257 © 2023 Vertiv Co. All rights reserved. Vertiv, the Vertiv logo and Vertiv Liebert EFC are trademarks or registered trademarks of Vertiv Co. All other names and logos referred to are trade names, trademarks or registered trademarks of their respective owners.
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