York YLAA0350HE Manuals

Manuals and User Guides for York YLAA0350HE. We have 1 York YLAA0350HE manual available for free PDF download: Manual

York YLAA0350HE Manual (206 pages)

AIR-COOLED SCROLL CHILLERS WITH MICROCHANNEL CONDENSER COILS STYLE A (50 HZ) 57 - 142 TON

Brand: York | Category: Chiller | Size: 10.67 MB

Table of Contents
4
Section 1 - General Chiller Information & Safety
13
- Introduction
  13
- Warranty
  13
- Safety and Quality
  13
  - Standards for Safety and Quality
    13
  - Responsibility for Safety
    14
- About this Manual
  14
- Misuse of Equipment
  14
  - Suitability for Application
    14
  - Structural Support
    14
  - Mechanical Strength
    14
  - General Access
    14
  - Pressure Systems
    15
  - Electrical
    15
  - Rotating Parts
    15
  - Sharp Edges
    15
  - Refrigerants and Oils
    15
  - High Temperature and Pressure Cleaning
    15
  - Emergency Shutdown
    15
Section 2 - Product Description
17
- Introduction
  17
- General System Description
  17
  - Compressors
    17
  - Cooler (Evaporator)
    17
  - Condenser
    18
- High Ambient Kit
  19
- Building Automation System Interface
  19
- Power Panel
  19
- Accessories and Options
  20
  - Power Options
    20
  - Control Options
    20
  - Compressor, Piping, Evaporator Options
    20
  - Condenser and Cabinet Options
    21
- Unit Components
  23
Fig. 1 - Unit Components Front
23
Fig. 2 - Unit Components Side
24
- Control / Power Panel Components
  25
Fig. 3 - Power Panel Components
25
Fig. 4 - Power Panel / Control Components
26
- Product Identification Number (Pin)
  27
- Basic Unit Nomenclature
  27
Fig. 5 - Refrigerant Flow Diagram
33
- Process and Instrumentation Diagram
  34
Fig. 6 - Process and Instrumentation Diagram
34
Section 3 - Handling and Storage
35
- Delivery and Storage
  35
- Inspection
  35
- Moving the Chiller
  35
  - Lifting Weights
    35
Fig. 7 - Unit Rigging/Lifting
36
Section 4 - Installation
37
- Installation Checklist
  37
- Handling
  37
- Inspection
  37
- Location and Clearances
  37
  - Foundation
    38
  - Ground Level Locations
    38
  - Rooftop Locations
    38
  - Noise Sensitive Locations
    38
- Spring Isolators (Optional)
  38
- Compressor Mounting
  38
- Remote Cooler Option
  38
- Chilled Liquid Piping
  38
- Pipework Arrangement
  39
Fig. 8 - Chilled Liquid System
39
- Duct Work Connection
  40
  - General Requirements
    40
- Wiring
  40
  - Evaporator Pump Start Contacts
    40
  - System Run Contacts
    40
  - Alarm Status Contacts
    41
  - Remote Start/Stop Contacts
    41
  - Remote Emergency Cutoff
    41
  - Remote Temp Reset Input
    41
  - Load Limit Input
    41
  - Flow Switch Input
    41
- Compressor Heaters
  41
- Relief Valves
  41
- High Pressure Cutout
  41
- Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch or Circuit Breaker
  42
Fig. 9 - Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch or Circuit Breaker
42
- User Control Wiring Inputs
  43
Fig. 10 - Control Wiring Inputs
43
- User Control Wiring Outputs
  44
Fig. 11 - Control Wiring Outputs
44
Section 5 - Technical Data
45
Fig. 12 - Elementary Wiring Diagram, Ylaa0195 Sht 1
56
Fig. 13 - Elementary Wiring Diagram, Ylaa0195 Sht 2
58
Fig. 14 - Elementary Wiring Diagram, Ylaa0195 Sht 3
60
Fig. 15 - Elementary Wiring Diagram, Ylaa0195 Sht 4
62
Fig. 16 - Elementary Wiring Diagram, Ylaa0195 Sht 5
64
Fig. 17 - Elementary Wiring Diagram, Ylaa0195 Sht 6
66
Fig. 18 - Elementary Wiring Diagram, Ylaa0195 Sht 7
68
Fig. 19 - Elementary Wiring Diagram, Ylaa0195 Sht 8
70
Fig. 20 - Elementary Wiring Diagram, Ylaa0195 Sht 9
72
- Connection Wiring Diagrams - YLAA0195
  74
Fig. 21 - Connection Wiring Diagram, Ylaa0195 Sht 1
74
Fig. 22 - Connection Wiring Diagram, Ylaa0195 Sht 2
76
Fig. 23 - Connection Wiring Diagram, Ylaa0195 Sht 3
78
Fig. 24 - Connection Wiring Diagram, Ylaa0195 Sht 4
80
Fig. 25 - Connection Wiring Diagram, Ylaa0195 Sht 5
82
Fig. 26 - Connection Wiring Diagram, Ylaa0195 Sht 6
84
Fig. 27 - Connection Wiring Diagram, Ylaa0195 Sht 7
86
- Elementary Wiring Diagrams - YLAA0220 - YLAA0515
  88
Fig. 28 - Elementary Wiring Diagram, Ylaa0220 - Ylaa0515, Sht 1
88
Fig. 29 - Elementary Wiring Diagram, Ylaa0220 - Ylaa0515, Sht 2
90
Fig. 30 - Elementary Wiring Diagram, Ylaa0220 - Ylaa0515, Sht 3
92
Fig. 31 - Elementary Wiring Diagram, Ylaa0220 - Ylaa0515, Sht 4
94
- Connection Diagrams - YLAA0220 - YLAA0515
  96
Fig. 32 - Connection Diagram, Ylaa0220 - Ylaa0515, Sht 1
96
Fig. 33 - Connection Diagram, Ylaa0220 - Ylaa0515, Sht 2
98
Fig. 34 - Connection Diagram, Ylaa0220 - Ylaa0515, Sht 3
100
Fig. 35 - Connection Diagram, Ylaa0220 - Ylaa0515, Sht 6
102
Fig. 36 - Connection Diagram, Ylaa0220 - Ylaa0515, Sht 7
104
Fig. 37 - Wiring Diagram, Single Point Wiring Options
106
Fig. 38 - Dual Pump Wiring
107
Fig. 39 - Wiring
108
Fig. 40 - Layout - Power Blocks and Transformers
110
- Dimensions (English)
  111
Fig. 41 - Dimensions (English) Ylaa0195He
111
Fig. 42 - Dimensions (English) Ylaa0220He, 0260He, 0285Se, & 320Se
112
Fig. 43 - Dimensions (English) Ylaa0300He,Ylaa0360Se, Ylaa0400Se
113
Fig. 44 - Dimensions (English) Ylaa0435Se (English)
114
Fig. 45 - Dimensions (English) Ylaa0350He (English)
115
Fig. 46 - Dimensions (English) Ylaa0390He, Ylaa0485Se
116
Fig. 47 - Dimensions (English) Ylaa0440He
117
Fig. 48 - Dimensions (English) Ylaa0455He
118
Fig. 49 - Dimensions (English) Ylaa0515He
119
- Technical Data - Clearances
  120
Fig. 50 - Unit Clearances - All Models
120
- Weight Distribution and Isolator Mounting Positions
  121
Fig. 51 - Weight Distribution and Isolator Mounting Positions
121
- Isoloator Data
  124
  - One Inch Deflection Spring Isolator Cross-Reference
    124
Fig. 52 - One Inch Deflection Spring Isolator Cross-Reference
124
- One Inch Deflection Spring Isolators Installation Instructions
  125
Fig. 53 - One Inch Deflection Spring Isolators Installation Instructions
125
- Seismic Isolator Cross-Reference
  126
Fig. 54 - Seismic Isolator Cross-Reference
126
- Seismic Isolator Installation and Adjustment INSTRUCTIONS
  127
Fig. 55 - Seismic Isolator Installation and Adjustment Instructions
127
- Duralene Isolator Cross-Reference
  128
Fig. 56 - Duralene Isolator Cross-Reference
128
- Installation of Durulene Vibration Isolators INSTRUCTIONS
  129
Fig. 57 - Installation of Durulene Vibration Isolators Instructions
129
Section 6 - Commissioning
131
- Commissioning
  131
- Preparation - Power off
  131
  - Inspection
    131
  - Refrigerant Charge
    131
  - Service and Oil Line Valves
    131
  - Compressor Oil
    131
  - Fans
    131
  - Isolation / Protection
    131
  - Control Panel
    131
  - Supply Voltage
    132
- Preparation - Power on
  132
  - Switch Settings
    132
  - Compressor Heaters
    132
  - Water System
    132
  - Flow Switch
    132
  - Temperature Sensor(S)
    132
- Equipment Pre-Startup & Startup Checklist
  133
  - Pre-Startup
    133
  - Startup
    133
- Setpoints Entry List
  134
- Table 7 - Setpoints Entry List
  134
- Checking Superheat and Subcooling
  135
- Leak Checking
  135
- Unit Operating Sequence
  136
Section 7 - Unit Controls
137
- Introduction
  137
  - IPU II and I/O Boards
    137
  - Display
    138
  - Keypad
    138
  - Battery Back-Up
    138
  - Transformer
    138
  - Programming # of Compressors
    138
  - Status" Key
    139
  - Unit Status
    139
  - General Status Messages
    139
  - Fault Safety Status Messages
    141
  - Status Key Messages
    144
  - Table 8 - Status Key Messages Quick Reference List
    144
- Display/Print Keys
  145
  - Oper Data Key
    145
  - Oper Data Quick Reference List
    148
  - Table 9 - Operation Data
    148
  - Print Key
    149
  - Operating Data Printout
    149
  - History Printout
    150
  - History Displays
    150
  - Software Version
    152
  - Entry" Keys
    153
  - Up and down Arrow Keys
    153
  - Enter/Adv Key
    153
  - Setpoints" Keys
    154
  - Cooling Setpoints
    154
  - Leaving Chilled Liquid Control
    154
  - Return Chilled Liquid Control
    155
  - Remote Setpoints Control
    155
- Schedule/Advance Day Key
  155
- Table 10 - Cooling Setpoints, Programmable Limits and Defaults
  156
- Program Key
  157
  - System Trip Volts
    158
  - Unit Trip Volts
    159
- Program Key Limits and Default
  159
- Table 11 - Program Key Limits and Default
  159
- Setpoints Quick Reference List
  160
- Table 12 - Setpoints Quick Reference List
  160
- Unit" Keys
  161
  - Options Key
    161
- Clock
  165
- Unit Keys Options Programming Quick Reference List
  166
- Table 13 - Unit Keys Options Programming Quick Reference List
  166
Section 8 - Unit Operation
167
Fig. 58 - Leaving Water Temperature Control Example
168
Fig. 59 - Setpoint Adjust
168
Fig. 60 - Condenser Fan Locations Wiring Diagrams
172
Section 9 - Service and Troubleshooting
177
- Clearing History Buffers
  177
- Service Mode
  177
- Service Mode - Outputs
  177
- Service Mode - Chiller Configuration
  178
- Service Mode - Analog & Digital Inputs
  178
- Control Inputs/Outputs
  179
- Table 20 - I/O Digital Inputs
  179
- Table 21 - I/O Digital Outputs
  179
- Table 22 - I/O Analog Inputs
  179
- Table 23 - I/O Analog Outputs
  179
- Microboard Layout
  180
Fig. 61 - Microboard Layout
180
- Checking Inputs and Outputs
  181
  - Digital Inputs
    181
  - Analog Inputs - Temperature
    181
  - Outside Air Sensor
    181
  - Table 24 - Outdoor Air Sensor
    181
  - Liquid & Refrigerant Sensor Test Points
    182
  - Table 25 - Entering/Leaving Chilled Liquid Temp. Sensor, Temperature/Voltage Correlation
    182
  - Analog Inputs - Pressure
    183
  - Table 26 - Pressure Transducers
    183
  - Digital Outputs
    184
Fig. 62 - I/O Board Relay Contact Architecture
184
- Optional Printer Installation
  185
  - Parts
    185
  - Assembly and Wiring
    185
  - Obtaining a Printout
    185
Fig. 63 - Printer to Microboard Electrical Connections
185
- Troubleshooting
  186
- Table 27 - Troubleshooting
  186
Section 10 - Maintenance
189
- Important
  189
- Compressors
  189
  - Oil Level Check
    189
  - Oil Analysis
    189
- Condenser Fan Motors
  189
- Condenser Coils
  189
- Operating Parameters
  189
- On-Board Battery Back-Up
  189
- Plate and Frame Heat Exchanger (Evaporator) Heater
  189
- Microchannel Coil Cleaning
  190
- Bacnet, Modbus and Yorktalk 2 Communications
  191
Fig. 64 - Micropanel Connections
192

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