Emerson 2 - page 4

ii

6.5 Refrigeration System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6.5.1 Refrigerant Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6.5.2 Discharge Pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6.5.3 Thermostatic Expansion Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.5.4 Air-Cooled Condenser. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.6 Compressor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.6.1 Compressor Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7.0 SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

7.1 Dimensional Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

7.2 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

8.0 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

9.0 MAINTENANCE INSPECTION CHECKLIST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

10.0 PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Contents

Main Page TABLE OF CONTENTS Page FIGURES TABL ES ET 0 36 H R P F B T 1.0 I 1.1 General 1.2 Standard Features 1.3 Optional Features 1.3.1 Refrigeration System Options Low Pressure Switch and Low Pressure Bypass Timer T-pack1 T-pack2 1.4 Ancillary Components Wall-Mounted Thermostat Indoor Supply/Return Grilles Additional Spare Filters 1.5 Accessories 2.0 I 2.1 Preparation 2.1.1 Room Preparation 2.1.2 Location Considerations 2.1.3 Equipment Inspection 2.3 Piping Connections Table 1 Mounting dimensional data See Table1 below for keys to dimensions. G H M ref. N Wf 2.4 Ducting 2.5 Electrical Connections 2.5.1 Power Connections 2.5.2 Control Connections !CAUTION Liebert Thermostat Dual Unit Control Tele 2 2.6 Outside Air Damper - Optional 2.7 Economizer - Optional Installation Adjustment 3.0 CHECKLIST FOR COMPLETE INSTALLATION 4.0 START-UP PROCEDURE 5.0 O 5.1 Compressorized Cooling 5.2 Economizer Cooling - Optional 5.2.1 Enthalpy Sensor 5.2.2 Actuator 5.3 Heating - Optional 5.4 Unit Controls 5.4.1 Remote Control Interface 5.4.2 High Pressure (Standard) 5.4.3 Refrigeration Control Options Low Pressure Switch and Low Pressure Bypass Timer (Winter Start) T-pack1 package T-pack2 package 5.4.4 Anti-Short Cycle Timer - Standard 5.4.5 Heater Protection - With Optional Heat 5.4.6 Lockout Relay - Optional 6.0 M 6.1 Filters 6.2 Blower Package 6.3 Economizer - Optional 6.4 Heat 6.6 Compressor Mechanical Failure Electrical Failure 6.6.1 Compressor Replacement Page 19 7.0 S 7.1 Dimensional Data Figure 6 Dimensional data Table 5 InteleCool2 dimensional data in. (mm) 20 7.2 Technical Data Table 6 Technical data, 60 Hz 21 Table 7 Technical data, 60 Hz, continued 22 Table 8 Technical data, 50 Hz 23 Table 9 Technical data, 50 Hz, continued 24 Table 10 Optional heater capacity, 60 Hz Table 11 Optional heater capacity, 50 Hz 25 Table 12 Electrical data, 60 Hz - amps 26 Table 13 Electrical data, 50 Hz - amps 27 8.0 T Table 14 Troubleshooting guide 9.0 MAINTENANCE INSPECTION CHECKLIST 29 10.0 P Table 15 Refrigeration system parts, 1.5 and 2 ton units 30 Table 16 Refrigeration system parts, 3 ton units 31 Table 17 Refrigeration system parts, 4-ton units 32 Table 18 Refrigeration system parts, 5-ton units 33 Table 19 Electric panel, 1.5- and 2-ton units 34 Table 20 Electric panel parts, 3-ton units 35 Table 21 Electric panel parts, 4-ton unit 36 Table 22 Electric panel parts, 5-ton unit 37 Table 23 Motor parts, heater, Economizer, 1.5- and 2-ton units 38 Table 24 Motor parts, heater, Economizer, 3-ton units 39 Table 25 Motor parts, heater, Economizer, 4-ton units 40 Table 26 Motor parts, heater, Economizer, 5-ton units 41 Figure 7 Condenser/piping assembly Figure 8 Crankcase heater (reciprocating compressor only) Page 43 Figure 11 Electric panels 44 Figure 12 Heater assembly Page Page Page Page Page Ensuring The High Availability 0f Mission-Critical Data And Applications. Technical Support / Service Locations