Emerson Fluid Chiller User Manual

Precision Cooling
For Business-Critical Continuity

Liebert Process Fluid Chiller

User Manual - 1.5 - 10 Tons, 50 & 60 Hz

™

Table of Contents

PRODUCT MODEL INFORMATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.0 INTRODUCTION

1.1 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 Optional Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2.1 Refrigerant Gauges and Reservoir Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.3 Accessory Equipment (Ship with Kits) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.3.1 Emergency Water Source Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.3.2 Water Level Control and Alarm System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.3.3 Fluid Pressure Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.3.4 Check Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.3.5 Dial Thermometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.3.6 Relief Valve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.3.7 Circuit Setter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.3.8 Ball Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.3.9 High Temperature Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.3.10 Low Flow Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.3.11 RCM8 Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.0 INSTALLATION

2.1 Equipment Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2 Location Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.3 Piping Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.4 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.5 Preparation of Glycol Solution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.6 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.0 OPERATION

3.1 Pre-Startup Checklist. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.2 Startup Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.3 Overview of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.4 Transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.5 Low Pressure Switch Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.6 Temperature Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.7 High Pressure Switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.8 Positive Start Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.9 Short Cycle Prevent Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

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4.0 MAINTENANCE

4.1 Refrigeration System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.1.1 Suction Pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.1.2 Discharge Pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.1.3 Superheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.1.4 Thermostatic Expansion Valve Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.1.5 Hot Gas Bypass Valve Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.1.6 Air Cooled Condenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.1.7 Compressor Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.2 Chilled Fluid Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.2.1 Pump Differential Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.2.2 Pump Suction Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.3 Refrigerant Gauges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.4 Reservoir Heater. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.5 Reservoir Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4A. 8- AND 10-TON PROCESS CHILLER USER MANUAL SUPPLEMENT

4A.1 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18A

4A.1.1 Additional Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18A

4A.2 Temperature Control for 8- and 10-Ton Process Chiller . . . . . . . . . . . . . . . . . . . . . . . . 18C

4A.3 Temperature Setpoint for Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18E

4A.4 Flow Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18E

5.0 TROUBLESHOOTING

6.0 SEMIANNUAL MAINTENANCE INSPECTION CHECKLIST

7.0 PARTS

7.1 Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

8.0 APPENDIX A: EMERGENCY WATER SOURCE MODULE

8.1 Model Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

8.2 Typical Application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

8.3 Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

8.4 System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

8.5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

8.6 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

9.0 APPENDIX B: THE WATER LEVEL CONTROL MODULE

9.1 Model Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

9.2 Typical Application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

9.3 Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

9.4 System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

9.5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

9.6 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

ii

Figures

Figure 1 Dimensional Data and Piping Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 2 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 2A General piping arrangement—8- and 10-ton air cooled models . . . . . . . . . . . . . . . . . . . . . . . 9A

Figure 2B Cabinet and floor planning dimensional data—8- and 10-ton air cooled models . . . . . . . . . . 9B

Figure 2C Electrical field connections—8- and 10-ton air cooled models . . . . . . . . . . . . . . . . . . . . . . . . . 9C

Figure 2D Cabinet and floor planning dimensional data, 8- and 10-ton air cooled with thermal

storage tank cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9D

Figure 3 Hot Gas Bypass. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 3A Process chiller pump performance, 60 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18B

Figure 3B Piping bypass to evaporator inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18C

Figure 3C Electronic hot gas bypass valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18C

Figure 3D Hot gas bypass control board connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18D

Figure 3E Temperature sensor resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18E

Figure 4 The Emergency Water Source Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Figure 5 Emergency Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Figure 6 General Piping Arrangement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Figure 7 Cabinet Dimensions and Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 8 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 9 Emergency Switchover Electrical Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 10 Water Level Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 11 Water Level Control and Chiller System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 12 General Piping Arrangement at WLC Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Figure 13 Cabinet Dimensions and Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 14 Electrical Connections at WLC Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Figure 15 Electrical and Piping Connections at the Process Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Figure 16 Level Control and Alarm Option Module Electrical Schematic . . . . . . . . . . . . . . . . . . . . . . . . 47

Tables

Table 1 Model Number Designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Table 2 Typical Propylene Glycol Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 3 Glycol Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 4 Typical Ethylene Glycol Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 5 Dimensional Data in.(mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Table 5A Dimensional data, 8- and 10-ton air cooled. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9B

Table 5B Dimensional Data, 8-10 ton air-cooled models with thermal storage tank cabinet . . . . . . . . 9D

Table 6 Pump Suction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table ? Chilled Fluid Pump Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Table 8 Compressor Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table 9 Refrigeration System Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Table 10 Condenser Fan Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Table 11 Fans and Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 12 Compressor and Refrigerant Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 13 Quick Disconnect Couplings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Table 14 Fluid Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Table 15 Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Table 16 Exterior Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Table 17 Emergency Water Source Piping Connection Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Table 18 Emergency Water Source Electrical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Table 19 WLC Module Connection Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Table 20 WLC Module Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

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Figure 2A General piping arrangement—8- and 10-ton air cooled models

9A Installation

Figure 2B Cabinet and floor planning dimensional data—8- and 10-ton air cooled models

A

C

Table 5A Dimensional data, 8- and 10-ton air cooled

Model Numbers

60 HZ 50 HZ A B C D

PF096A PS095A

PS120A PS119A

Dimensional Data

in. (mm)

77

39-1/4

(1956)

(997)

38-1/2

(978)

5-1/2

(140)

Module Weight Net.

Ibs.(kg)

750

(340)

Installation 9B

Figure 2C Electrical field connections—8- and 10-ton air cooled models

9C Installation

Figure 2D Cabinet and floor planning dimensional data, 8- and 10-ton air cooled with thermal storage

tank cabinet

30"

A

C

Table 5B Dimensional Data, 8-10 ton air-cooled models with thermal storage tank cabinet

Model

Numbers

PS096A 77

PS120A

* Note: Add weight of fluid for operating weight

(1956)

Dimensional Data

in (mm)

39-1/4

(997)

38-1/2

(978)

5-1/2
(140)

69-1/4
(1759)

Module Weight

Storage Tank

(empty*)

lbs (kg)

1170
(531)

Capacity

gal (L)60 Hz A B C D E

100

(380)

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4A.0 8- AND 10-TON PROCESS CHILLER USER MANUAL SUPPLEMENT

4A.1 Product Description

The 8- and 10-ton process chiller is a self-contained air cooled system, containing two (2) scroll

compressors and two (2) heat exchangers. An optional 2 HP multistage stainless steel pump may

be included (see model number) to overcome the high pressure drop found in some MRI and CT

systems.

4A.1.1 Additional Equipment

The chiller includes a panel of gauges attached to the end of the cabinet. Eight (8) gauges are

included:

• Suction Pressure Refrigerant Circuit #1

• Suction Pressure Refrigerant Circuit #2

• Discharge Pressure Refrigerant Circuit #1

• Discharge Pressure Refrigerant Circuit #2

• Water Inlet Pressure

• Water Outlet Pressure

• Water Inlet Temperature

• Water Outlet Temperature

Refrigerant Charge: 29.4 # per circuit R-22

Internal Glycol Volume (without 100 gallon storage tank):

12.4 gallons (8-ton, model PS096A)

12.6 gallons (10-ton, model PS120A)

Multistage Circulating Pump

The model number indication for the multistage pump is an “M” or “R” in the ninth character of

the model number. For example PS096A-AM

NOTE

The chiller includes a factory-installed and wired multistage circulating pump. It is
important that the pump be properly primed before operating.

1. Fully unscrew the pin located in the drain plug.

2. Close the discharge valve.

3. Remove the vent plug and fully unscrew the drain plug pin.

4. Open the suction valve until liquid flows out of the vent plug connection.

5. Install and torque the vent plugs to 15 lbs-ft. Close the drain plug pin and open the discharge
valve.

For additional information, refer to the pump user manual that is shipped with the chiller and
attached to the pump with a cable tie. Figure 3A shows the flow and pressure characteristics.

40.

Maintenance 18A

Figure 3A —Process chiller pump performance, 60 Hz

18BMaintenance

4A.2 Temperature Control for 8- and 10-Ton Process Chiller

Liebert 8- and 10-ton process chillers include a Sporlan Electronic Hot Gas Bypass Valve and con­troller. This control provides a precise method of capacity control by bypassing hot gas to the
evaporator inlet. Figure 3B shows a schematic representation of this piping system.

Figure 3B Piping bypass to evaporator inlet

External Equalizer

Evaporator

SDR-4

Compressor

Distributor

The system is factory-piped and wired. Figure 3C shows the connections to the control board.

Figure 3C Electronic hot gas bypass valve

TEV

TCB

Condenser

Solenoid

Valve

See-All

Catch-Aall

Receiver

Fitting size available - 3/8" or 1-1/8 ODF

SDR-4

8.21

8.08

Maintenance 18C

Figure 3DElectronic hot gas bypass control board connections

The sensor, 24 VAC power, and the electronic valve are factory-wired to the control board. Jump­ers are factory-set to the following pins:

P7—Temperature sensor enable selector
P9—“Close on rise” logic selector
P12—Valve selector

In addition a jumper can be field installed on the following pins to troubleshoot operation of the
valve:

P5—Force valve open: valve opens and remains open as long as jumper is installed
P6—Force valve closed: valve closes and remains closed as long as jumper is installed

18D Maintenance

4A.3 Temperature Setpoint for Chiller

The temperature setpoint for the chiller should be set by turning the potentiometer. To obtain an
accurate setpoint, connect a voltmeter (millivolt) to TP1 and TP2. The readout will display tem­perature in degrees Fahrenheit. Turn the potentiometer to the desired setpoint.

A “well” sensor is factory-piped and wired to accurately measure the temperature of the water
leaving the chiller. This sensor provides input to the Electronic Hot Gas Bypass Controller. The
sensor changes electrical resistance in response to temperature changes. To check or troubleshoot
the sensor, disconnect it from the controller and measure the resistance. Figure 3E shows the
relationship between temperature and resistance.

Figure 3E Temperature sensor resistance

50,000

40,000

30,000

OHMS

20,000

10,000

-60

4A.4 Flow Control

A circuit setter is factory-installed in the supply line and a ball valve is factory-installed in a
bypass loop. The desired system flow to the load should be set by adjusting the circuit setter to the
required flow rate. If a flow rate of less than 5 gpm is required, the ball valve should be adjusted
to keep the overall system flow rate up. If low suction pressures are present, the circuit setter
should be set to a higher flow, with the bypass valve used to control flow to the load.

-40 -20 0 604020 80 100 120 140 160 180 200

TEMPERATURE (Degrees Fahrenheit)

Maintenance 18E

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Ensuring The High Availability
0f Mission-Critical Data And Applications.

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.

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 subject 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.

Technical Support / Service

Web Site

www.liebert.com

Monitoring

800-222-5877

[e-mail]

Outside the US: 614-841-6755

Single-Phase UPS

800-222-5877

[e-mail]

Outside the US: 614-841-6755

Three-Phase UPS

800-543-2378

[e-mail]

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

[phone]

Fax: [phone]

Asia

7/F, Dah Sing Financial Centre

108 Gloucester Road, Wanchai

Hong Kong

852 2572220

Fax: [phone]

SL-16530_REV1_08-06

Emerson Network Power.
The global leader in enabling Business-Critical Continuity

AC Power Systems
Connectivity
DC Power Systems

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.

Embedded Computing
Embedded Power Power Switching & Control
Integrated Cabinet Solutions

™

.

Precision Cooling

EmersonNetworkPower.com

ServicesOutside Plant
Site Monitoring
Surge Protection