York YCAL0061EC Manuals

Manuals and User Guides for York YCAL0061EC. We have 1 York YCAL0061EC manual available for free PDF download: Installation Operation & Maintenance

York YCAL0061EC Installation Operation & Maintenance (174 pages)

AIR-COOLED SCROLL CHILLERS STYLE D WITH IPU II and I/O BOARDS (50 Hz) 29 TON TO 65 TON

Brand: York | Category: Chiller | Size: 4.92 MB

General Safety Guidelines
2
Changeability of this Document
3
Revision Notes
3
Table of Contents
5
List of Figures
10
List of Tables
11
Section 1 - General Chiller Information and Safety
13
- Introduction
  13
- Warranty
  13
- Safety
  13
  - Standards for Safety
    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
    14
  - 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
    17
  - Condenser
    18
  - Millennium Control Center
    18
  - Unit
    18
  - Unit On/Off
    19
  - Power Panel
    19
- Accessories and Options
  20
  - Power Options
    20
  - Control Options
    20
  - Compressor, Piping, Evaporator Options
    21
  - Condenser and Cabinet Options
    22
  - Sound Reduction Options
    22
- Unit Components
  23
- Control / Power Panel Components
  24
- Product Identification Number (Pin)
  25
- Refrigerant Flow Diagram
  30
Fig. 1 - Refrigerant Flow Diagram
30
Section 3 - Handling and Storage
31
- Delivery and Storage
  31
- Inspection
  31
- Moving the Chiller
  31
  - Lifting Weights
    31
- Unit Rigging
  32
Section 4 - Installation
33
- Installation Checklist
  33
- Handling
  33
- Inspection
  33
- Location and Clearances
  33
  - Foundation
    34
  - Ground Level Locations
    34
  - Rooftop Locations
    34
  - Noise Sensitive Locations
    34
- Spring Isolators (Optional)
  34
- Compressor Mounting
  34
- Remote Cooler Option
  34
- Chilled Liquid Piping
  34
- Duct Work Connection
  35
  - General Requirements
    35
- Wiring
  35
  - Evaporator Pump Start Contacts
    36
  - System Run Contacts
    36
  - Alarm Status Contacts
    36
  - Remote Start/Stop Contacts
    36
  - PWM Input
    36
  - Load Limit Input
    36
  - Flow Switch Input
    36
- Compressor Heaters
  36
- Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch or Circuit Breaker (0041 - 0071)
  37
Fig. 2 - Single-Point Supply Connection - Terminal Block, Non-Fused
37
- Disconnect Switch or Circuit Breaker (0041 - 0071)
  37
- Control Wiring
  38
Fig. 3 - Control Wiring
38
Section 5 - Commissioning
39
- Preparation - Power off
  39
  - Inspection
    39
  - Refrigerant Charge
    39
  - Service and Oil Line Valves
    39
  - Compressor Oil
    39
  - Fans
    39
  - Isolation / Protection
    39
  - Control Panel
    39
  - Power Connections
    39
  - Supply Voltage
    40
- Preparation - Power on
  40
  - Switch Settings
    40
  - Compressor Heaters
    40
  - Water System
    40
  - Flow Switch
    40
  - Temperature Sensor(S)
    40
- Equipment Pre-Startup and Startup Checklist
  41
  - Pre-Startup
    41
  - Startup
    41
  - Table 1 - Setpoints Entry List
    42
- Checking Superheat and Subcooling
  43
- Leak Checking
  43
- Unit Operating Sequence
  44
Section 6 - Technical Data
45
Fig. 4 - Control Circuit
58
Fig. 5 - Power Circuit
60
Fig. 6 - Wiring Details
61
Fig. 7 - Connection Diagram
62
Fig. 8 - Connection Diagram Microboard (Partial)
63
- Dimensions
  64
- Technical Data - Clearances
  92
Fig. 9 - Unit Clearances
92
- Isolators
  93
  - General
    93
  - Installation of 1" Deflection Mounts
    95
Section 7 - Unit Controls
99
- York Millennium Control Center
  99
- Introduction
  99
- Microprocessor Board
  99
- Unit Switch
  100
- Display
  100
- Keypad
  100
- Battery Back-Up
  100
- Transformer
  100
- Single System Select and Programming # of Compressors
  100
- Status Key
  101
  - Unit Status
    101
  - General Status Messages
    101
  - Fault Safety Status Messages
    103
  - System Safeties
    103
  - Unit Safeties
    105
  - Unit Warning
    105
- Status Key Messages
  106
- Table 13 - Status Key Messages Quick Reference List
  106
- Display/Print Keys
  107
  - Oper Data Key
    107
  - Table 14 - Operation Data
    110
  - Print Key
    111
  - Operating Data Printout
    111
  - History Printout
    112
  - History Displays
    112
  - Software Version
    114
- Entry Keys
  115
  - Up and down Arrow Keys
    115
  - Enter/Adv Key
    115
- Setpoints Keys
  116
  - Cooling Setpoints
    116
  - Leaving Chilled Liquid Control
    116
  - Return Chilled Liquid Control
    117
  - Remote Setpoint Control
    117
  - Schedule/Advance Day Key
    117
  - Table 15 - Cooling Setpoints, Programmable Limits and Defaults
    118
  - Program Key
    119
  - Table 16 - Program Key Limits and Defaults
    122
  - Table 17 - Setpoints Quick Reference List
    123
- Unit Keys
  124
  - Options Key
    124
- Clock
  128
- Table 18 - Unit Keys Programming Quick Reference List
  129
Section 8 - Unit Operation
131
Fig. 10 - Leaving Water Temperature Control Example
132
Fig. 11 - Setpoint Adjust
132
Fig. 12 - Ycal0041 - Ycal0071 Fan Location (Typical)
136
Fig. 13 - Typical Inverter Location
137
Fig. 14 - Inverter Enclosure
137
- Configuration (Jumpers and Potentiometers)
  138
Fig. 15 - Potentiometer Settings
138
- Wiring
  139
Fig. 16 - Inverter Power Wiring Schematic
139
Fig. 17 - Inverter Wiring
139
- Programming
  140
- Load Limiting
  140
- Table 24 - Inverter Option Condenser Fan Control Operation
  140
- Compressor Run Status
  141
- Alarm Status
  141
- Ems-Pwm Remote Temperature Reset
  141
- Table 25 - Compressor Operation - Load Limiting
  141
- Bas/Ems Temperature Reset Option
  142
Fig. 18 - Field and Factory Electrical Connections Optional Remote
143
- Temperature Reset Board
  143
Section 9 - Service and Troubleshooting
145
- Clearing History Buffers
  145
- Service Mode
  145
- Service Mode - Outputs
  145
- Service Mode - Chiller Configuration
  145
- Service Mode - Inputs
  146
- Control Inputs/Outputs
  147
- Table 26 - Microboard Digital Inputs
  147
- Table 27 - Microboard Digital Outputs
  147
- Table 28 - Microboard Analog Inputs
  147
- Table 29 - Microboard Analog Outputs
  147
Fig. 19 - Ipu II & I/O Layout
148
- Checking Inputs and Outputs
  149
  - Digital Inputs
    149
  - Analog Inputs - Temperature
    149
  - Outside Air Sensor
    149
  - Liquid & Refrigerant Sensor Test Points
    150
- Correlation
  150
- Temperature Sensor, and Suction Temperature Sensor: Temperature/Voltage Correlation
  150
  - Analog Inputs - Pressure
    151
  - Digital Outputs
    152
Fig. 20 - Microboard Relay Contact Architecture
152
- Optional Printer Installation
  153
  - Parts
    153
  - Assembly and Wiring
    153
  - Obtaining a Printout
    153
Fig. 21 - Printer to Microboard Electrical Connections
153
Table 32 - Troubleshooting
154
Section 10 - Maintenance
157
- Important
  157
- Compressors
  157
  - Oil Level Check
    157
  - Oil Analysis
    157
- Condenser Fan Motors
  157
- Condenser Coils
  157
- Operating Parameters
  157
- On-Board Battery Back-Up
  157
- Plate and Frame Heat Exchanger (Evaporator) Heater
  157
- Overall Unit Inspection
  158
- Bacnet, Modbus and Yorktalk 2 Communications
  158
Table 33 - Minimum, Maximum and Default Values
159
Fig. 22 - Micro Panel Connections
159

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