Emerson Copeland Scroll Digital ZRD94-125KC Manuals

Manuals and User Guides for Emerson Copeland Scroll Digital ZRD94-125KC. We have 1 Emerson Copeland Scroll Digital ZRD94-125KC manual available for free PDF download: Bulletin

Emerson Copeland Scroll Digital ZRD94-125KC Bulletin

Emerson Copeland Scroll Digital ZRD94-125KC Bulletin (19 pages)

3 to 15 Ton Compressors for Air Conditioning

Brand: Emerson | Category: Air Compressor | Size: 1.13 MB

Table of Contents

Table of Contents
1
Safety Instructions
2
Safety Icon Explanation
2
Instructions Pertaining to Risk of Electrical Shock, Fire, or Injury to Persons
3
Safety Statements
3
Introduction
4
Nomenclature
4
Digital Compressor Operation
4
How It Works
4
Application Considerations
5
Operating Envelope
5
Solenoid Valve and Coil
5
Pressure Fluctuations
5
Piping
5
Start up and Shut down
5
Compressor Cycling
5
Sound Characteristics
5
Internal Pressure Relief (IPR) Valve
5
High Pressure Control
5
Scroll Temperature Protection
6
Crankcase Heaters
6
Oil Type and Oil Removal
6
Power Factor
6
Tandem Applications
6
Modulation Control
7
Application Tests Oil Level Verification
7
Excessive Liquid Floodback Tests
7
Operating Envelope Tests
7
Digital Compressor Retrofit Applications
8
Reasons To Retrofit
8
Retrofit Applications To Avoid
8
Performance Modeling
8
System Modifications
8
Compressor Selection & Change-Out
9
Refrigerant Flow Control
9
Evaporator Air Flow
9
Condenser Air Flow
9
Modulation Valve Brazing Procedure
9
Modulation Control
10
Assembly Line Procedures
10
Pressure Testing
10
Service Procedures
10
Modulation Troubleshooting
10
Modulation Valve Replacement Procedure
10
Scroll Compressor Functional Check
12
Digital Cycle Example
13
Digital Scroll Cross Sectional View
13
Digital Scroll Cross Sectional View
14
Compressor Capacity Graph
15
Discharge Thermistors
15
Modulation Valve Piping
16
Tandem
16
Modulation Troubleshooting
17
Copeland Scroll Digital Family Features
18
Refrigerant Charge Limits
18
Torque Values
18
Compressor Accessories
19

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