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Emerson ZX Platform Condensing Unit User Manual

Emerson ZX Platform Condensing Unit
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ZX Platform Condensing Unit
Product Manual

Table of Contents

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Emerson ZX Platform Condensing Unit Specifications

General IconGeneral
BrandEmerson
ModelZX Platform Condensing Unit
CategoryAir Conditioner
LanguageEnglish

Summary

ZX Platform Design Philosophy

Energy Efficiency

Reduced energy consumption using advanced technology and algorithms.

Reliability

Enhanced equipment dependability through proven components and diagnostics.

Standard Unit Features

ZX Platform Scroll Superiority

Nomenclature

Operating Envelope Charts

Physical Layout of ZX Platform CDU

Application Guideline

Installation

Piping Instructions

Recommendations for unit placement, clearances, and piping practices.

Electrical Connection

Power Supply and Electrical Wiring

Requirements for power supply connection and electrical wiring procedures.

Refrigeration Connections

Refrigeration Piping Installation

Guidelines for pipe sizing, quality, and insulation for optimal performance.

Vapor Injection Application Tips

Brazing Recommendations

Start Up and Operation

Evacuation Procedure

Steps for achieving system vacuum and residual moisture levels.

Refrigerant Charging Procedure

Method for charging refrigerant and checking liquid sight glass.

Compressor Operation and Maintenance

Electronic Controller Assembly

ZX/ZXL Controller Assembly

Overview of the E2 controller features, monitoring, and protection capabilities.

E2 Controller Board Settings

Defrost Module Function Set

Control Board Wiring Diagrams

Power Board and E2 Control Board Diagram

Detailed diagram showing connections for power and E2 control boards.

E2 Controller Configuration Details

E2 Controller Diagnostics and Faults

Diagnostic Initialization Messages

Initial messages displayed on the diagnostic module upon unit power-up.

LED Definition for Status and Errors

Meaning of LED indicators for unit status, errors, and warnings.

Trip Set Points and Actions

Controller actions based on trip set points for various fault types.

E2 Controller Fault Handling Details

Discharge Gas Overheat

Trip points and actions for discharge gas overheat faults.

Over Current Protection

Handling of over current faults and compressor protection.

Sensor Failures

Response to various sensor failures like discharge line, ambient, and coil temperature.

ZXD Controller Assembly and Operation

ZXD Electronic Controller Configuration

ZXD Controller LED Display and Settings

ZXD Controller Service and Alarms

Checking Alarm History

Procedures to check and delete alarm history from the controller.

Compressor Operation Time and Parameter Management

Checking and Resetting Compressor Hours

How to check running hours and reset them after compressor replacement.

ZXD Digital Scroll Controller Alarms

Alarm Modes and Set Points

Table detailing alarm modes, set points, controller actions, and resets.

Condensing Unit Wiring Diagrams

Pressure-Temperature Charts

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