Sign In
Upload
Manuals
Brands
York Manuals
Chiller
YVAA
York YVAA Manuals
Manuals and User Guides for York YVAA. We have
3
York YVAA manuals available for free PDF download: Installation Operation & Maintenance, Installation, Operation & Maintenance Instructions Manual, Service Information
York YVAA Installation, Operation & Maintenance Instructions Manual (178 pages)
Air-Cooled Screw Liquid Chillers with Variable Speed Drive
Brand:
York
| Category:
Chiller
| Size: 5.56 MB
Table of Contents
Table of Contents
5
Section 1 - General Chiller Information and Safety
13
Introduction
13
Warranty
13
Quality Assurance and Safety
14
Fluorinated Greenhouse Gases
14
Responsibility for Safety
14
About this Manual
14
Misuse of Equipment
14
Suitability for Application
14
Structural Support
15
Mechanical Strength
15
General Access
15
Pressure Systems
15
Electrical
15
Rotating Parts
15
Sharp Edges
15
Refrigerants and Oils
16
High Temperature and Pressure Cleaning
16
Emergency Shutdown
16
Safety Labels
16
FIGURE 1 - YVAA Air-Cooled Screw Liquid Chiller with Variable Speed Drive
17
Section 2 - Product Description
17
General System Description
17
FIGURE 2 - Chiller Control System
18
FIGURE 3 - View of York Control Center User Interface
20
Accessories and Options
21
Sound Attenuation
21
Condenser Coils
21
Condenser Coil Protection
21
Protective Chiller Panels
21
Controls Options
22
Evaporator Options
22
General Options
22
Vibration Isolation
23
Fan Options
21
Condenser
19
Electrical
19
Evaporator
19
Refrigerant Circuit
19
Semi-Hermetic YORK Twin-Screw Compressors
19
Building Automation System Capabilities
20
Microcomputer Control Center
20
Display Data
20
Programmable Setpoints
20
Section 3 - Rigging, Handling and Storage
25
Lifting Weights
25
Delivery and Storage
25
Inspection
26
Moving the Chiller
26
Unit Removal from Shipping Container
26
Lifting Using Lugs
26
Lifting Using Shackles
26
TABLE 1 - Unit Rigging
28
Section 4 - Installation
37
Location Clearances
37
Recommended Minimum Clearances
38
Location Requirements
37
Outdoor Installations
37
TABLE 2 - Minimum Evaporator Tube Removal Clearance
38
FIGURE 4 - Acceptable Minimum Clearances Around/Between Unit(S)
38
Chilled Liquid Piping
39
General Requirements
39
Shipping Braces
39
Vibration Isolators
39
Installation
39
Evaporator Pressure Drop
40
FIGURE 5 - Three Pass Water Pressure Drop, English Units
40
FIGURE 6 - Two Pass Water Pressure Drop, si Units
41
FIGURE 7 - Pipework Arrangement
41
FIGURE 10 - Suggested Layout for Applications with a Flow Rate Greater than the Evaporator
42
FIGURE 8 - Leaving Water Temperature out of Range Suggested Layout
42
FIGURE 9 - Suggested Layout for Applications with a Flow Rate Less than the Evaporator
42
FIGURE 11 - Victaulic Groove
43
Thermal Storage
43
Variable Primary Flow
43
TABLE 3 - Evaporator Connections Dimensions
44
Electrical Connection
45
FIGURE 12 - Flange for GB Vessels
45
FIGURE 13 - Flange Attachment
45
Option Flanges
45
Refrigerant Relief Valve Piping
45
115VAC Control Supply Transformer
46
Control Wiring
46
Power Supply Wiring
46
Power Wiring
46
Alarm Contacts
47
Chilled Liquid Pump Starter
47
Flow Switch
47
Optional Remote Setpoint Offset - Current
47
Optional Remote Setpoint Offset - Temperature
47
Remote Print
47
Remote Run / Stop
47
Run Contact
47
System Inputs
47
Volts Free Contacts
47
FIGURE 14 - Single Point Power Wiring
48
Power Supply Wiring
48
Single Point Wiring
48
Voltage Utilization Range
48
Dual Point Wiring
49
FIGURE 15 - Dual Point Power Wiring
49
Customer Control Wiring
50
Leaving Water Temperature out of Range
42
Minimum Water Volume
42
Connection Types and Sizes
43
Evaporator Connections
43
Pipework Arrangement
41
Water Treatment
41
FIGURE 16 - Customer Control Connections
50
TABLE 4 - Electrical Lug Data
52
Section 5 - Technical Data
63
Nomenclature
63
TABLE 5 - Physical Data - Microchannel Coil
64
TABLE 6 - Physical Data - Round Tube Coil
68
TABLE 7 - Optional One-Pass Evaporator
70
TABLE 8 - Standard Two-Pass, Rear Inlet/Outlet Evaporator
74
TABLE 9 - Optional Three-Pass Rear Inlet/Front Outlet Evaporator
78
FIGURE 17 - YVAA Dimensions
82
TABLE 10 - Isolator Selection and Mounting Locations
84
Elastomeric Isolator Installation
90
Elastomeric Isolator Specifications
91
One Inch Deflection Isolator Installation
92
One Inch Deflection Spring Isolator Specifications
93
CPX-XX-XXX
93
Two Inch Deflection Isolator Installation and Adjustment
94
Two Inch Deflection, Restrained Spring Isolator Specifications
95
Y2RSI-XX-XXX
95
Section 6 - Commissioning
97
Preparation
97
Inspection
97
Refrigerant Charge
97
Correct System Refrigerant Charge
97
Service and Oil Line Valves
97
Compressor Oil
97
Fans
98
Isolation / Protection
98
Control Panel
98
Power Connections
98
Grounding
98
Water System
98
Flow Switch
98
Temperature Sensor(S)
98
Programmed Options
98
Programmed Settings
98
Setpoint and Remote Offset
99
First Time Start up
99
Interlocks
99
Unit Switch
99
Startup
99
Oil Pressure
99
Loading
99
Condenser and Fan Rotation
99
System Charge
99
General Operation
100
Operation in Sub-Freezing Conditions
100
Unit Maintenance and Shutdown in Sub-Freezing Conditions
100
FIGURE 18 - Keyboard and Display
101
Anti-Recycle Timer
102
Display
102
Evaporator Pump Control
102
Keypad Data Entry Mode
102
Alarms
103
Basic Operating Sequence
103
Start Sequence and Loading
103
Chiller Run Contact
103
Evaporator Heater Control
103
Flow Switch Control
103
Remote Run / Stop
103
Unit Warning
103
Unit Warning Operation
103
Low Battery Warning
103
Microboard (331-03478-XXX)
104
Power Supplies and Leds
104
Power Supply Test Points
104
Configuration Jumpers
104
Section 7 - Operation
101
Operating Controls
101
Unit Switch
101
Keypad
101
FIGURE 19 - New 331-03478-XXX Microboard
105
Building Automation System (BAS) Communications
106
Using Communications Protocol
106
E-Link or SC-EQ Interface
107
TABLE 11 - Values Required for BAS Communication
108
TABLE 13 - YVAA Native Communications Data Map
111
TABLE 14 - YVAA Operational and Fault / Inhibit Codes
114
TABLE 15 - YVAA E-Link Communications Data Map
115
TABLE 16 - Flash Card Update Error XXXXX
118
Invalid Number of Compressors Warning
119
Invalid Serial Number Warning
119
TABLE 17 - Data Logging
119
High Ambient Temp Fault
120
Low Ambient Temp Fault
120
Low Leaving Chilled Liquid Temp Fault
120
Unit Safeties
120
Unit Safety Operation
120
VSD Communications Failure Fault
120
High Discharge Pressure Cutout (HPCO) (Hardware) Fault
121
High Discharge Pressure Cutout (Software) Fault
121
System Safeties (Faults)
121
System Safety (Fault) Operation
121
High Differential Oil Pressure Cutout Fault
122
Low Differential Oil Pressure Cutout Fault
122
Low Motor Current Cutout Fault
122
Low Suction Pressure Cutout (Software) Fault
122
Discharge Pressure Load Limiting/Unloading
123
High Discharge Temperature Cutout Fault
123
Low Discharge Superheat Cutout Fault
123
TABLE 18 - Low Differential Oil Pressure Cutout
123
Sensor Failure Cutout Fault
124
Suction Pressure Load Limiting/Unloading
124
TABLE 19 - Discharge Pressure Load Limiting/Unloading
124
TABLE 20 - Suction Pressure Load Limiting/Unloading
124
Eductor Clog Fault
125
High Motor Temperature Cutout Fault
125
System Control Voltage Cutout Fault
125
Data Logging
118
Program Update
118
Vsd
118
TABLE 12 - Real Time Error Numbers for BAS, SC-EQ or E-Link Communications Card
109
FIGURE 20 - LON E-Link Gateway Option
110
SC-EQ or E-Link BAS Communications Card
110
TABLE 21 - Start Inhibit Sensor Thresholds
125
Section 8 - Micropanel
127
TABLE 22 - Sensor Min/Max Outputs
134
TABLE 23 - Compressor Motor Overload Settings
136
TABLE 24 - Setpoint Limits
146
TABLE 25 - Programmable Operating Parameters
149
TABLE 26 - Printout Types
157
Section 9 - Maintenance
161
General Requirements
161
Weekly Maintenance
161
Unit Status
161
Refrigerant Leaks
161
Operating Conditions
161
Compressor Oil Level
161
Refrigerant Charge
161
Adding Charge to a System
161
Refrigerant Removal, Evacuation and Charging a YVAA Chiller
162
Refrigerant Removal
162
Evacuating a System
162
Charging Refrigerant into a System
163
Microchannel Coil Cleaning
163
Scheduled Maintenance
163
Maintenance Requirements for YVAA Chillers
164
TABLE 27 - Troubleshooting Guide
165
TABLE 28 - R-513A Refrigerant Pressure to Saturated Temperature
168
R-513A Conversion Table
169
R-513A Conversion Table
168
TABLE 29 - R-513A Refrigerant Temperature to Pressure
169
TABLE 30 - Temperature Input Voltage Sensor (Measured Signal to Shield at the Sensor)
170
TABLE 31 - Outside Air Temperature Sensor Input Voltage (Measured Signal to Shield at the Sensor)
171
TABLE 32 - Pressure Transducer Output Voltage (Measured Signal to Return at the Transducer)
172
TABLE 33 - Motor Temperature Sensor Resistance (Check at the Motor)
173
Section 10 - Decommissioning, Dismantling and Disposal
175
TABLE 34 - si Metric Conversion
176
Advertisement
York YVAA Installation Operation & Maintenance (192 pages)
Air-Cooled Screw Liquid Chillers, Air-Cooled Screw Liquid Chillers with Variable Speed Drive
Brand:
York
| Category:
Chiller
| Size: 6.54 MB
Table of Contents
Table of Contents
6
Section 1 - General Chiller Information and Safety
11
Introduction
11
Warranty
11
Quality Assurance and Safety
12
Fluorinated Greenhouse Gases
12
Responsibility for Safety
12
About this Manual
12
Misuse of Equipment
12
Section 2 - Product Description
15
General System Description
15
Figure 1 - YVAA Air-Cooled Screw Liquid Chiller with Variable Speed Drive
15
Figure 2 - Chiller Control System
16
Semi-Hermetic YORK Twin-Screw Compressors
17
Evaporator
17
Condenser
17
Refrigerant Circuit
17
Electrical
17
Building Automation System Capabilities
18
Microcomputer Control Center
18
Figure 3 - View of YORK Control Center User Interface
18
Accessories and Options
19
Fan Options
19
Condenser Coils
19
Section 3 - Rigging, Handling, and Storage
23
Lifting Weights
23
Delivery and Storage
23
Inspection
24
Moving the Chiller
24
Unit Removal from Shipping Container
24
Lifting Using Lugs
24
Lifting Using Shackles
24
Figure 4 - Lifting Lug
24
Figure 5 - Lifting Using Lugs
24
Figure 5 - Power Panel, 1 to 4
25
Table 1 - Unit Lifting Point Locations
25
Figure 6 - Power Panel, 1 to 5
26
Figure 7 - Power Panel, 1 to 6
27
Figure 8 - Power Panel, 1 to 8
28
Section 4 - Installation
29
Location Requirements
29
Outdoor Installations
29
Location Clearances
29
Figure 9 - Acceptable Minimum Clearances Around and between Units
30
Table 2 - Minimum Evaporator Tube Removal Clearance
30
Vibration Isolators
31
Shipping Braces
31
Chilled Liquid Piping
31
Evaporator Pressure Drop
32
Water Treatment
33
Pipework Arrangement
33
Minimum Water Volume
33
Leaving Water Temperature out of Range
33
Figure 10 - Pipework Arrangement
33
Figure 11 - Leaving Water Temperature out of Range Suggested Layout
33
Thermal Storage
34
Variable Primary Flow
34
Connection Types and Sizes
34
Evaporator Connections
34
Figure 12 - Suggested Layout for Applications with a Flow Rate Less than the Evaporator Minimum
34
Figure 13 - Suggested Layout for Applications with a Flow Rate Greater than the Evaporator Maximum
34
Figure 14 - Grooved Nozzle
34
Table 3 - Evaporator Connections Dimensions
35
Refrigerant Relief Valve Piping
36
Electrical Connection
36
Figure 15 - Flange for GB Vessels
36
Figure 16 - Flange Attachment
36
Power Wiring
37
Power Supply Wiring
37
115 VAC Control Supply Transformer
37
Control Wiring
37
Volts Free Contacts
38
System Inputs
38
Power Supply Wiring
39
Figure 17 - Single Point Power Wiring
39
Figure 18 - Dual Point Power Wiring
40
Customer Control Wiring
41
Figure 19 - Customer Control Connections
41
Thermal Dispersion Flow Switch Connections
42
Figure 20 - Thermal Dispersion Flow Switch Connections
42
Figure 21 - Reserved Customer Wiring Entry
43
Figure 22 - Water Box Heater Wiring Box
43
Table 4 - Electrical Lug Data
45
Section 5 - Technical Data
65
Table 5 - Physical Data - Microchannel Coil
66
Figure 23 - Standard Two-Pass, Right Side Inlet/Outlet Evaporator Connections
70
Table 6 - Standard Two-Pass, Right Side Inlet/Outlet Evaporator Connections
70
Figure 24 - Optional Two-Pass Left Side Inlet/Outlet Connections
72
Table 7 - Optional Two-Pass Left Side Inlet/Outlet Connections
72
Figure 25 - Standard Two-Pass Left Side Inlet/Outlet Connections
74
Table 8 - Standard Two-Pass Left Side Inlet/Outlet Connections
74
Figure 26 - Optional Three-Pass Inlet/Outlet Connections
75
Table 9 - Optional Three-Pass Inlet/Outlet Connections
75
Figure 27 - YVAA Dimensions
77
Figure 28 - Isolator Selection and Mounting Locations
78
Table 10 - Isolator Selection and Mounting Locations
78
Figure 29 - Isolator Selection and Mounting Locations
79
Figure 30 - Isolator Selection and Mounting Locations
80
Figure 31 - Isolator Selection and Mounting Locations
81
Figure 32 - Isolator Selection and Mounting Locations
82
Figure 33 - Isolator Selection and Mounting Locations
83
Figure 34 - Isolator Selection and Mounting Locations
84
Figure 35 - Isolator Selection and Mounting Locations
85
Figure 36 - Isolator Selection and Mounting Locations
86
Figure 37 - Isolator Selection and Mounting Locations
87
Elastomeric Isolator Installation
88
Figure 38 - Elastomeric Isolator
88
Elastomeric Isolator Specifications
89
Figure 39 - Elastomeric Isolator Specifications
89
Table 11 - Elastomeric Dimensions
89
Table 12 - Elastomeric Weights
89
One Inch Deflection Isolator Installation
90
Figure 40 - One Inch Deflection Isolator
90
One Inch Deflection Spring Isolator Specifications
91
Figure 41 - One Inch Deflection Isolator Specifications
91
Table 13 - One Inch Deflection Isolator Dimensions
91
Table 14 - One Inch Deflection Isolator Weights
91
Two Inch Deflection, Isolator Installation and Adjustment
92
Figure 42 - Two Inch Deflection Isolator
92
Two Inch Deflection, Restrained Spring Isolator Specifications
93
Figure 43 - Two Inch Deflection Isolator Specifications
93
Table 15 - Two Inch Deflection Isolator Weights
93
Section 6 - Commissioning
94
Preparation
94
Figure 44 - LED Indicator Buttons
95
Figure 45 - Flow Switch Set
96
Figure 46 - Flow below the Representation Range
96
Figure 47 - Flow Exceeds the Representation Range
96
First Time Startup
97
General Operation
97
Freeze Damage Protection
97
Table 16 - YVAA Freeze Damage Protection Requirements
98
Section 7 - Operation
99
Operating Controls
99
Figure 48 - Keyboard and Display
99
Basic Operating Sequence
101
Unit Warning
102
Microboard (331-03478-XXX)
102
Figure 49 - New 331-03478-XXX Microboard
104
SC-EQ Communications Card
105
SC-EQ Communication Card Interface IPU3
105
Table 17 - YVAA SC-EQ BAS Points List
106
Program Update
111
Data Logging
112
Unit Safeties
113
System Safeties, Faults
114
Table 18 - Low Differential Oil Pressure Cutout
116
Table 19 - Discharge Pressure Load Limiting/Unloading
117
Table 20 - Suction Pressure Load Limiting/Unloading
117
Table 21 - Start Inhibit Sensor Thresholds
118
Section 8 - Micropanel
119
Figure 50 - Micropanel
119
Unit Data Key
122
Figure 51 - Unit Data Key
122
System Data Keys 1 through 4
124
Figure 52 - System Data Keys 1 through 4
124
Table 22 - Sensor Minimum and Maximum Outputs
126
VSD Data Key
127
Figure 53 - VSD Data Key
127
Table 23 - Compressor Overload Settings
128
Operating Hours/Start Counter Key
129
Figure 54 - Operating Hours/Start Counter Key
129
History Key
130
Figure 55 - History Key
130
Setpoints Key
137
Figure 56 - Setpoints Key
137
Table 24 - Setpoint Limits
138
Program Key
139
Figure 57 - Program Key
139
Table 25 - Programmable Operating Parameters
141
Unit Setup Mode
142
Table 26 - Setup Mode Programmable Values
142
Options Key
149
Figure 58 - Options Key
149
Date/Time and Schedule Keys
152
Figure 59 - Date/Time and Schedule Key
152
Manual Override Key
155
Figure 60 - Manual Override Key
155
Print Key
156
Figure 61 - Print Key
156
Table 27 - Printout Types
156
System Switches Key
159
Figure 62 - System Switches Key
159
Section 9 - Maintenance
161
General Requirements
161
Leak Testing During Operation
162
Vapor Connection Locations
162
Checking the System for Leaks
162
Leak Testing
162
Figure 63 - Service Connections
162
System Pressure Test
163
Conducting the Gas Pressure Hold Test
163
What to Do Next
163
Conducting the Soap Visual Gas Leak Test
163
Figure 64 - Leak Test Hold Times
163
Conducting the Optional Trace Gas Leak Test
164
System Evacuation
165
Vacuum Dehydration
165
Figure 65 - Evacuation of the Chiller Operation
165
Dehydration
166
Table 28 - System Pressures
166
Conducting the Dehydration Process
167
Figure 66 - Saturation Curve
167
Result
168
Conducting the Final Evacuation
168
Refrigerant Charging
168
Table 29 - R-134A Pressure to Saturated Temperature Conversion
169
Table 30 - R-513A Pressure to Saturated Temperature Conversion
170
Removing the Refrigerant Charge for Service
171
Checking and Trimming the Refrigerant Charge
172
Definitions
172
Checking the Refrigerant Charge During Unit Shutdown
172
Microchannel Coil Cleaning
173
Cleaning Procedure Required for Standard and Environment Guard Microchannel Coils
173
Cleaning Procedure for Environment Guard Premium Microchannel Coils
173
Steps to Touch-Up Small Sections of the Finned Coil Surface
174
Steps to Touch-Up End (Dead) Tubes And/Or Condenser Coil Headers
174
Materials Required
174
Chilled Liquid System Maintenance
175
Table 31 - Part Numbers
175
Maintenance Requirements for YVAA Chillers
177
Table 32 - Troubleshooting Guide
178
R-134A Conversion Table
181
Table 33 - R-134A Pressure to Saturated Temperature Conversion
181
R-513A Conversion Table
182
Table 34 - R-513A Refrigerant Pressure to Saturated Temperature
182
R-513A Conversion Table
183
Table 35 - R-513A Refrigerant Temperature to Pressure
183
Table 36 - Temperature Input Voltage Sensor (Measured Signal to Shield at the Sensor)
184
Table 37 - Outside Air Temperature Sensor Input Voltage, Measured Signal to Shield at the Sensor
185
Table 38 - Pressure Transducer Output Voltage, Measured Signal to Return at the Transducer
186
Table 39 - Motor Temperature Sensor Resistance (Check at the Motor)
187
Section 10 - Decommissioning, Dismantling, and Disposal
189
Table 40 - si Metric Conversion
190
York YVAA Service Information (3 pages)
Brand:
York
| Category:
Chiller
| Size: 0.44 MB
Advertisement
Advertisement
Related Products
York YVWA
York YVAA Style A
York YVAM
York YVAM1150
York YVAM1500
York YVAM1650
York YVAM0350
York YB
York YCAS1063EC
York YVAG018
York Categories
Air Conditioner
Heat Pump
Chiller
Furnace
Air Handlers
More York Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL