Emerson Copeland YBD45K1E Manuals

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Emerson Copeland YBD45K1E Manual

Emerson Copeland YBD45K1E Manual (42 pages)

Scroll Digital Compressors for Refrigeration Applications

Brand: Emerson | Category: Air Compressor | Size: 1 MB

Table of Contents

Table of Contents
2
About These Guidelines
6
Safety Instructions
6
Icon Explanation
6
Safety Statements
7
General Instructions
7
Product Description
8
Compressor Range
8
Nomenclature
8
BOM Variations
9
Application Range
9
Qualified Refrigerants and Oils
9
Application Limits
9
PED Category and Maximum Allowable Pressure PS
9
Dimensions
10
Installation
12
Compressor Handling
12
Transport and Storage
12
Positioning and Securing
12
Installation Location
12
Mounting Parts
13
Brazing Procedure
13
General Brazing Procedure
14
Brazing Procedure for YBD*K1E Compressors in Parallel Applications
14
Pressure Safety Controls
15
High-Pressure Protection
15
Low-Pressure Protection
15
System Protection for Operation below Atmospheric Pressure
15
Crankcase Heater
16
Discharge Gas Temperature Protection
17
Excessive Discharge Gas Temperatures
17
Discharge Line Thermostat
18
Discharge Temperature Sensor NTC
19
Internal Pressure Relief Valve
19
Discharge Check Valve
19
Digital Solenoid Valves
19
External Solenoid Valves for the Design Concept with Internal Lifting Piston
19
External Solenoid Valve Installation - General Recommendations
20
External Solenoid Valve Installation - Tubing Recommendations
21
Filter Screens
21
Mufflers
21
Sound Shell
22
Insulation Material
22
Sound and Vibration
22
Compressor Oil Return, Oil Balancing, Refrigerant Floodback and Oil Dilution Tests
22
Suction Line Accumulator
23
Electrical Connection
25
General Recommendations
25
Electrical Installation
25
Terminal Box
26
Motor Insulation
27
Motor Protection
27
High-Potential Testing
27
Start-Up & Operation
28
Strength-Pressure Test
28
Compressor Strength-Pressure Test
28
System Strength-Pressure Test
28
Compressor Tightness Test
29
System Evacuation
29
Preliminary Checks - Pre-Starting
29
Charging Procedure
30
Run-In Time
30
Initial Start-Up
30
Rotation Direction
31
Pressure Fluctuations
31
Starting Sound
31
Deep Vacuum Operation
31
Shell Temperature
31
Pumpdown Cycle
32
Minimum Run Time
32
Sound Characteristics
32
Shut-Off Sound
32
Supply Frequency and Voltage
32
Oil Level
33
Controlling the Digital Scroll
33
Power Factor and Power Input
34
Maintenance & Repair
35
Qualification of Workers
35
Preparation and Work Procedure
36
Disassembling System Components
36
Replacing a Compressor
36
Compressor Replacement
36
Start-Up of a New or Replacement Compressor
37
Compressor Return Procedure
37
Exchanging the Refrigerant
38
Lubrication and Oil Removal
38
Oil Additives
39
Dismantling & Disposal
40
References
40
Appendix 1: Tightening Torques
41
Disclaimer
41

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