Emerson ENV10G user manual

User manual for the device Emerson ENV10G

Device: Emerson ENV10G
Category: Refrigerator
Manufacturer: Emerson
Size: 0.64 MB
Added : 4/18/2014
Number of pages: 20
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1

Precision Cooling
For Business-Critical Continuity

Liebert Envirosource
User Manual - 1.5 to 10 Tons, 60Hz

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TABLE OF CONTENTS 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 2.0 SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 3.0 SYSTEM COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 4.0 INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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ii

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Introduction 1.0 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 Chi

Summary of the content on the page No. 6

Sequence of Operation 2.0 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

Summary of the content on the page No. 7

System Components 3.0 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 is adjustable from 40°F to 90°F (4°C to 32°C). The setpoint

Summary of the content on the page No. 8

Installation 4.0 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). 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 dra

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Maintenance 5.0 MAINTENANCE Periodic preventive maintenance should include a monthly manual switchover to ensure that the sys- tem operates properly. Figure 1 General piping arrangement—Envirosource standby pump and cooling module with Process Fluid Chiller 1-1/2 to 5 ton air cooled models 5

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Maintenance Figure 2 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

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Maintenance Figure 3 Physical data City Water Supply Supply from Chiller To Drain Heat Exchanger Supply to Load Pump ENV05G-_00 / ENV10G-_00 Supply from Supply to Chiller Load To Drain City Water Supply Heat Exchanger Pump ENV20G-_00 7

Summary of the content on the page No. 12

Maintenance Table 3 Technical data—Envirosource module, 60 Hz Process Fluid Chiller PS018A PS024A PS036A PS048A PS060A PS096A PS120A Model Number ENV05G ENV05G ENV10G ENV10G ENV10G ENV20G ENV20G Circulating Fluid—Water 2.4 3.3 5.3 7.9 10.2 16.0 20.0 Flow Rate, gpm (l/s) (.151) (.208) (.334) (.498) (.644) (1.009) (1.262) 13.6 24.9 11.7 18.6 30.7 14.2 23.7 Pressure Drop, feet (kPa) (40.65) (74.43) (34.97) (55.60) (91.76) (42.44) (70.84) Emergency Fluid—Water 3.6 4.9 8.0 11.9 15.3 24.0 30.0 Flow R

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Maintenance Figure 4 Service clearances Shaded areas indicate recommended clearance for component access and removal. ENV05G / ENV10G / ENV20G 9

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Maintenance Figure 5 Equipment layout City Water Envirosource (ENV05G or ENV10G) Load Drain Process Chiller Outdoor (Glycol) Application 10

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Maintenance Figure 6 Cabinet dimensions for Envirosource ENV05G and ENV10G 11

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Maintenance Figure 7 Cabinet dimensions for Envirosource ENV20G 12

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Maintenance Figure 8 Electrical schematic 13

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Maintenance 14

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Ensuring The High Availability 0f Mission-Critical Data And Applications. Technical Support / Service Emerson Network Power, the global leader in enabling business-critical Web Site continuity, ensures network resiliency and adaptability through www.liebert.com a family of technologies—including Liebert power and cooling Monitoring technologies—that protect and support business-critical systems. 800-222-5877 Liebert solutions employ an adaptive architecture that responds monitoring@emersonnetwor


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