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YMC2 A
York YMC2 A Manuals
Manuals and User Guides for York YMC2 A. We have
2
York YMC2 A manuals available for free PDF download: Operation And Maintenance
York YMC2 A Operation And Maintenance (28 pages)
CENTRIFUGAL LIQUID CHILLERS
Brand:
York
| Category:
Chiller
| Size: 1.58 MB
Table of Contents
Table of Contents
5
Section 1 - System Fundamentals
7
FIGURE 1 - YMC 2 Chiller Components
7
FIGURE 2 - Compressor Prerotation Vanes
9
System Operation Description
9
Variable Speed Drive
9
System Components
7
Compressor
7
Motor
7
Condenser
8
Evaporator
8
Heat Exchangers
8
Optional Hot Gas Bypass
8
Optional Service Isolation Valves
8
Optiview TM Control Center
8
Refrigerant Flow Control
8
Water Boxes
8
Capacity Control
9
FIGURE 3 - Refrigerant Flow-Thru Chiller
10
Section 2 - System Operating Procedures
11
Chiller Operation
11
Condenser Water Temperature Control
11
Operating Logs
11
Pre-Starting
11
Start-Up
11
FIGURE 4 - Liquid Chiller Log Sheets
12
FIGURE 5 - Evacuation of Chiller
15
Vacuum Testing
16
Operating Inspections
12
Daily
12
Annually (more Often if Necessary)
13
Monthly
13
Need for Maintenance or Service
13
Prolonged Shutdown
13
Semi-Annually (or more Often as Required)
13
Stopping the System
13
Weekly
13
Section 3 - Maintenance
15
Checking System for Leaks
15
Leak Testing During Operation
15
Conducting R-22 Pressure Test
15
Renewal Parts
15
TABLE 1 - System Pressures
16
FIGURE 6 - Saturation Curve
17
TABLE 2 - Refrigerant Charge
18
Chemical Water Treatment
19
Cleaning Evaporator and Condenser Tubes
19
Condensers and Evaporators
19
General
19
Handling Refrigerant for Dismantling and Repairs
19
Megging the Motor
19
Tube Fouling
19
Acid Cleaning of Tubes
20
Testing for Evaporator and Condenser Tube Leaks
20
Tube Cleaning Procedures
20
Compressor
21
Electrical Controls
21
Maintenance Requirements for York Ymc2 Chillers
22
TABLE 3 - Maintenance Requirements
22
Compressor and Motor
23
Electrical Controls
23
Evaporator and Condenser
23
Leak Testing
23
Preventative Maintenance
23
Checking the Refrigerant Charge During Unit Shutdown
18
Refrigerant Charging
18
Vacuum Dehydration
17
Operation
17
Section 4 - Troubleshooting
25
TABLE 4 - Operation Analysis Chart
25
Metric Conversion
27
Temperature
27
TABLE 5 - Analog Input Ranges (Low Pressure Chillers)
27
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York YMC2 A Operation And Maintenance (28 pages)
Centrifugal Liquid Chillers with OptiView Control Center
Brand:
York
| Category:
Chiller
| Size: 1.6 MB
Table of Contents
Table of Contents
5
Section 1 - System Fundamentals
7
FIGURE 1 - YMC 2 Chiller Components
7
FIGURE 2 - Compressor Prerotation Vanes
9
System Operation Description
9
Variable Speed Drive
9
System Components
7
Compressor
7
Motor
7
Condenser
8
Evaporator
8
Heat Exchangers
8
Optional Hot Gas Bypass
8
Optional Service Isolation Valves
8
Optiview TM Control Center
8
Refrigerant Flow Control
8
Waterboxes
8
Capacity Control
9
FIGURE 3 - Refrigerant Flow-Through Chiller
11
Section 2 - System Operating Procedures
13
Chiller Operation
13
Condenser Water Temperature Control
13
Operating Logs
13
Pre-Starting
13
Start-Up
13
FIGURE 4 - Liquid Chiller Log Sheets
14
FIGURE 5 - Evacuation of Chiller
17
Vacuum Testing
18
Operating Inspections
14
Daily
14
Annually (more Often if Necessary)
15
Monthly
15
Need for Maintenance or Service
15
Prolonged Shutdown
15
Semi-Annually (or more Often as Required)
15
Stopping the System
15
Weekly
15
Section 3 - Maintenance
17
Checking System for Leaks
17
Leak Testing During Operation
17
Conducting R-22 Pressure Test
17
Renewal Parts
17
TABLE 1 - System Pressures
18
FIGURE 6 - Saturation Curve
19
TABLE 2 - Refrigerant Charge
20
Chemical Water Treatment
21
Cleaning Evaporator and Condenser Tubes
21
Condensers and Evaporators
21
General
21
Handling Refrigerant for Dismantling and Repairs
21
Megging the Motor
21
Tube Fouling
21
Acid Cleaning of Tubes
22
Testing for Evaporator and Condenser Tube Leaks
22
Tube Cleaning Procedures
22
Compressor
23
Electrical Controls
23
Annually (more Often if Necessary)
24
Daily
24
Maintenance Inspections for YORK YMC Chillers
24
Monthly (or more Often as Required)
24
Weekly
24
Checking the Refrigerant Charge During Unit Shutdown
20
Refrigerant Charging
20
Vacuum Dehydration
19
Operation
19
Section 4 - Troubleshooting
25
TABLE 3 - Operation Analysis Chart
25
TABLE 4 - si Metric Conversion
27
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