Emerson ENV20G Refrigerator User Manual
Contents
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3. Gain Orate ASA Meu ot 2 Connection sizes NFT Hale As Meee SERRE es 8 Electrical data ro AZ eee tono UE ae eae 8 Technical data Envirosource module 60 Hz ee ee eee 8 11 1 0 Introduction INTRODUCTION The Envirosource Module is an accessory to the Process Chiller for use on systems that circulate water and or glycol solutions that require an isolated loop from the emergency water source With the heat exchanger providing fluid separation the Envirosource automatically switches to the emergency water source on a high fluid temperature alarm Additionally the module automatically switches to standby pump operation with interlock to shut down the Process Chiller pump on a loss of flow alarm The Envirosource Module is available in 208 230 460 V single phase and three phase 60 Hz configu rations This module is a pre piped and wired assembly that is encased in an almond colored powder coated and baked cabinet It consists of a copper brazed stainless steel heat exchanger stainless steel pump copper piping RCM4 alarm monitor adjustable time delay relays high temperature thermo stat cooling solenoid valve check valve and flow switch It also includes a manual ball valve and dou ble check back flow preventer on the city water line The integral RCM4 alarm monitor has a local display of normal operation standby pump and standby cooling on LED Terminal strips are included for
4. load amps FLA wire size amps WSA and overcurrent protection device OPD requirements Refer to Figure 8 when making connections Connect pump interlock to Process Chiller Connect optional control wiring for remote shutdown remote indication of loss of flow remote indication of high temperature and common alarm as required Maintenance 5 0 MAINTENANCE Periodic preventive maintenance should include a monthly manual switchover to ensure that the sys tem operates properly Figure 1 P d a xem TS 3 d uonejos jeuondo EET pa v 2 Ma X E T 2 enses pini T RX Ler gt euondo P I NN 7 N E d JeBueuox3 JESH Jo 22 EN 7 eje d pezeig bo nes A zs ddng gee on Pigi c m d G ey wer UP KoueBJeur3 O NS N 4 Q a ssed g 5 e yejsoweyL S FS Ben o ejnjeledue u amp iH p peo Sr Jepelyos gt 2 jeuondo 4 Q unay 1044109 i Po s 188M e nye edwe O i mdi WENA pinid JejesH 01 Nod gt jeuoydo 1 eds v 0 du SAJEA O P piouejos y 35619 go al y ws o O Alddns gg 4 _ LINN E O JSYEM wet Jepelyos 41041959 Y J3IeYNOSOYIAN3 P SALA gt 5 7 uoisuedx3 A 07 SAIBA Ps a 1 ES joey 1 LO pd Buses SES CaP
5. pin 4 9 i eunjeJeduue 5 Joj8Jode 3 c dd oN E q i SABA o s 49943 je89ju siezienb3 v ya HIM c o ye ejnsseJd _ MLA prousjos aur p nb 1 d Ma J8A 1898Y ssel 14615 qc eouBuejuieui 1 1 t uoneJedo sedoud 5 P 19414 AF inq paqal Aq paljddns jou sjueuoduuos o _ T Hom AA a a ARAS iii co ere ONIdid 2222222222222222222 2 Sec JOH ONIdId ANOLOVA ou NMOHS LINOHIO 319NIS Y o o jelley 4 e ainssald 22 Josse dwon O LdN U9IIAS eJnsseJd Oa wwz 2 22 POE jeuondo el Fr Maintenance ing module with tandby pump and cool Irosource S t Env iping arrangemen Process Fluid Chiller 8 10 ton air cooled models with electronic hot gas bypass Figure2 General p eougugjureu pue uongJedo JedoJd Jo paqen Aq peij ddns jou aie sjuauodulo ONidid dTdld 7777 ONIdld ANOLOVA NAAOHS LINDHID 319NIS ex YOOUD woe MN pin 4 euondo tu MM a HA 11 pet JesH X 1189 d ae uonejos jeuond zu YMS z pezeig 0 MOT sebnec einsseld d jeuondo 2 pu 1 i
6. two optional alarms customer supplied dry con tacts and for common alarm output dry contacts NC NO COM Table 1 Model numbers for minimum application flow Model Range gpm ENVO5G 00 0 3 1 1 ENV10G 00 3 7 13 3 ENV20G 00 3 7 13 3 The Process Chiller 1s modified with a bypass line to permit water to flow around the chiller s pump when the standby pump in the Envirosource Module 1s operating This bypass line runs from the pump suction line to the pump discharge line and includes a ball valve and check valve see Figures 1 and 2 2 0 Sequence of Operation SEQUENCE OF OPERATION During normal operation cold fluid flow from the chiller passes across the flow switch through the heat exchanger through the pump bypass check valve past the supply temperature sensor and out to the load see Figures 1 and 2 The standby cooling solenoid valve is closed de energized and the standby pump is off If the flow switch senses loss of flow a time delay is initiated to prevent nuisance switchovers After the delay see Table 2 below the alarm panel indicates standby pump on and the common alarm contacts close while the standby pump is brought on to resume flow and the chiller pump 1s locked out This mode is locked in until the reset button is pressed Similarly if the thermostat senses high fluid temperature a time delay is initiated to prevent nuisance switchovers After the delay see Table 2 below the alarm
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8. Precision Cooling For Business Critical Continuity Liebert Envirosource User Manual 1 5 to 10 Tons 60Hz Liebert EMERSON Network Power TABLE OF CONTENTS 1 0 INTRODUCTION e aia 1 2 0 SEQUENCE OF OPERATION eee 2 3 0 SYSTEM COMPONENTS eiii avr a 3 4 0 INSTALLATION shot ee errang 4 9 0 MAINTENANCE aUa cx Ros Vom cae ELA TE QUAIN eR eee 5 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Table 1 Table 2 Table 3 Table 4 Table 5 FIGURES General piping arrangement Envirosource standby pump and cooling module with Process Fluid Chiller 1 1 2 to 5 ton air cooled 5 General piping arrangement Envirosource standby pump and cooling module with Process Fluid Chiller 8 10 ton air cooled models with electronic hot gas bypass 6 Po sical ata ss date cu udi eh ate T Dervice cledfanoceS wd ne sal ales 9 Pouipment layout qw ns US e ke dodenus decks e ai 10 Cabinet dimensions for Envirosource ENVO5G and 10 11 Cabinet dimensions for Envirosource ENV20G 12 Bleetriealschemalie cana cd Xp uen bacc Oo o RSLS eens e 13 TABLES Model numbers for minimum application 1 Tine dela SOU CIN Sat gral naha oe ee atn Se
9. ct to change without notice Liebert and the Liebert logo are registered trademarks of Liebert Corporation All names referred to are trademarks or registered trademarks of their respective owners SL 15700_REV1_08 06 Emerson Network Power The global leader in enabling Business Critical Continuity ACPower Systems Embedded Computing Outside Plant Environmental Systems 800 543 2778 Outside the United States 614 888 0246 Locations United States 1050 Dearborn Drive P O Box 29186 Columbus OH 43229 Europe Via Leonardo Da Vinci 8 Zona Industriale Tognana 35028 Piove Di Sacco PD Italy 39 049 9719 111 Fax 39 049 5841 257 Asia 7 F Dah Sing Financial Centre 108 Gloucester Road Wanchai Hong Kong 852 2572220 Fax 852 28029250 EmersonNetworkPower com Services Connectivity Embedded Power Power Switching amp Control Site Monitoring DC Power Systems X Integrated Cabinet Solutions Precision Cooling Surge Protection Business Critical Continuity Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co 2006 Emerson Electric Co
10. etpoint range Solenoid Valve is 24VAC 2 way pilot or direct operated with brass body Manual Ball Valve is 1 4 turn brass body for shutoff or trimming of emergency water source flow Back Flow Preventer is of double check design and is located at the emergency water source piping connection point 4 0 Installation INSTALLATION Prepare the location s for the unit see Figure 4 Allow adequate clearance for convenient mainte nance Anchor the unit to the floor or bolt it securely to the wall using appropriate anchors supplied by others A WARNING Failure to fasten unit securely to wall studs or structural members with appropriate anchors supplied by others may result in product failure and personal injury Connect the unit piping to the chiller load emergency water supply and drain or recirculator Pip ing connections are labeled on the unit Be sure to bleed all air out of the fluid system Note that the pressure limit of the Envirosource Module is 100 psig YN CAUTION To prevent leaks within the Envirosource Module the fluid pressure should not exceed 100 psig For installations using an Envirosource above this rating a pressure reducing valve supplied by others 1s required Connect unit to the required AC power source through a remote on off switch field supplied as indi cated on the unit nameplate Electrical service shall conform to national and local electrical codes Refer to unit nameplate for full
11. l 32V 8 9 MOTI3A AOEZ S NEN gr or SJONVYO A802 A0072 J3AHOJSNVMI 2 AINO SYOLINUNOI 434403 3Sf S3002 1V901 Y4d 38 Ol INIGIM 9144 11 l 1 1 z i e AO9p 13 14 Maintenance Ensuring The High Availability Of Mission Critical Data And Applications Technical Support Service Emerson Network Power the global leader in enabling business critical continuity ensures network resiliency and adaptability through a family of technologies including Liebert power and cooling technologies that protect and support business critical systems Liebert solutions employ an adaptive architecture that responds to changes in criticality density and capacity Enterprises benefit from greater IT system availability operational flexibility and reduced capital equipment and operating costs Web Site www liebert com Monitoring 800 222 5877 monitoring emersonnetworkpower com Outside the US 614 841 6755 Single Phase UPS 800 222 5877 upstech emersonnetworkpower com Outside the US 614 841 6755 Three Phase UPS 800 543 2378 powertech emersonnetworkpower com While every precaution has been taken to ensure the accuracy and completeness of this literature Liebert Corporation assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions 2006 Liebert Corporation All rights reserved throughout the world Specifications subje
12. ource ENV05G and ENV10G 2 SSV TO DAN SLIOA vc aariddns 91315 TYNOILdO SLOVLNOD AYA NYVIV NOWWOD 143931 A8 OV vc LON 391A43S NMOGLNHS IVOIHLO23 13 ASVHd LINN 3LONW3M 334H1 40 ATONIS Ss10Vld Via 88 713299 AV1dSId 3195901 LE LVL S3H2LIMS f SNldld 334403 ONIANL Y3ddO9 11 Maintenance Figure 7 Cabinet dimensions for Envirosource ENV20G ONIYIM SSV IO 93N S L IOA vc daridans 01313 IVNOILdO f 0 M SLOVLNOO WHV TIV NOWNOD 1439311 Ad LIOA vc LON 39IAH3S NMOALNHS IVOIHLO3 T3 ASVHd LINN 3LOW3MH 33YH1 HO 319NIS SSOVIdE dAL VIG 88 13239 AV 1dSI0 SAHOLIMS 319901 vL Le LVL CLL ONIdId 34403 ONIANL Y3ddO09 00 cl 12 Maintenance Figure 8 Electrical schematic 8 L y 17 912015 8 n PZILET I mem ER s CSO no T ADO TWAIN pt gj 13SWHd 67 9178 amp 141 IVNINH3L d d S d Y3ITINHD SvId diNfid ONY PO NSLLIMA SHSHID BOJ 5542044 01 O a H3J9NVHOX3 LV3H Seen Qi HS MISERE NOIL V IOSI GHLUN ONG NOILVOSHOD 1 438311 GG 3 I1dON SNIUING2 INGIDOO SIHI dJA31 el a d YJAOHILIMS el HOIH ILH Hi 80102 NOLY SN SH3Hl0 AG Bed zr SZZP 01 0 GAH Od A HORO GNI JUHM M 49479 yg 13NYd HO1YOIONI 11949177 MOlI3A Aldufd d diOW
13. panel indicates standby cooling on and the common alarm contacts close while the solenoid valve is energized to resume cooling This mode is locked in until the reset button is pressed Table 2 Time delay settings pot wx PITT M Note that during normal operation the auto manual switches see Figure 8 are set to auto The switch can be set to manual to force switchovers to standby pump and or standby cooling for trouble shooting or maintenance Note that the remote shutdown function see 4 0 Installation prevents emergency switchover operation regardless of the status of other controls 3 0 System Components SYSTEM COMPONENTS RCM4 Monitor is configured to activate an LED and an audible alarm The common alarm output contacts will close in response to a loss of flow or high supply fluid temperature The silence reset but ton silences the alarm The button also resets the LEDs and alarm contacts if the unit has returned to normal mode Thermostat monitors supply fluid temperature The thermostat switchover setpoint 1s adjustable from 40 F to 90 F 4 C to 32 C The setpoint has a differential of 3 0 to 12 0 The recommended set ting is 3 0 NOTE Some applications may require different setpoints and differentials Consult your local Liebert representative or the factory for assistance Flow Switch monitors supply flow The flow switch setpoint is adjustable See Table 1 for minimum flow switch s
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