CONTENTS
Section Item Page No.
1.0 Disclaimer 4
2.0 Introduction to the ZX Refrigeration Condensing Unit (CDU) 5
2.1 Product Description
2.2 Basic and Optional Configurations
2.3 Control Features
2.4 Diagnostic and Defrost Features
2.5 Advantages
2.6 ZX Value Story
2.7 Application Types
3.0 Nomenclature 14
4.0 Receiving your ZX unit 15
5.0 Physical Layout of the ZX 16
6.0 Dimensions and Installation Clearences 20
7.0 Essential Commissioning Tools and Equipment 23
8.0 Electrical Installation 24
9.0 Refrigeration Piping Installation 24
10.0 Start-up-Leak Checking, Evacuation & Charging 28
10.1 Initial Pressure Testing (by vacuum and nitrogen)
10.2 Leak Test (by refrigerant with nitrogen pressurization)
10.3 Evacuation
10.4 Charging and Commissioning
11.0 E2 Control and Operating Features 33
12.0 Operation and Set-up of the E2 Unit Controller 35
12.1 Compressor/Unit Setting
12.2 Compressor Motor Protection
12.3 Compressor Pressure Protection
12.4 Compressor Discharge Temperature Protection
12.5 Other Inputs to the E2 Board
12.6 Other Outputs from the E2 Board
13.0 Operation and Set-up of Optional Modules 40
13.1 Diagnostic Module
13.2 Defrost Module
14.0 Maintenance 44
15.0 Spare Parts List 46
16.0 Troubleshooting 48
17.0 Addendums:
17.1 General Technical Data 50
17.2 ZX Wiring Diagram
51
17.3 Capacity (kW) at 50Hz for Refrigerant R22 52
2
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