York YLAA Series Manuals

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

York YLAA Series Installation Operation & Maintenance (178 pages)

AIR-COOLED SCROLL CHILLERS WITH BRAZED PLATE HEAT EXCHANGER STYLE B (60 HZ) 4-10 FAN, 55 - 230 TON, 195 - 700 KW

Brand: York | Category: Chiller | Size: 12.02 MB

Table of Contents
5
Section 1 - General Chiller Information and Safety

11
- Introduction
  11
- Warranty
  11
- Handling
  11
- Safety and Quality
  11
- About this Manual
  12
- Misuse of Equipment
  12
Section 2 - Product Description

15
- General System Description
  15
- Introduction
  15
- TABLE 1 - Canadian Registration Numbers
  
  16
- Building Automation System Interface
  17
- Communications
  17
- Power Panel
  17
- Accessories and Options
  18
FIGURE 1 - Unit Components (Front)

20
FIGURE 2 - Unit Components (Side)

21
FIGURE 3 - Power Panel Components

22
FIGURE 4 - Power Panel / Control Components

23
TABLE 2 - Complete Pin Number Description

24
FIGURE 5 - Process and Instrumentation Diagram

29
Section 3 - Handling and Storage

31
- Delivery and Storage
  31
- Inspection
  31
- Moving the Chiller
  31
- FIGURE 6 - Unit Rigging/Lifting
  
  32
- Lifting Using Lugs
  33
- Lifting Using Shackles
  33
- Lifting Weights
  34
FIGURE 7 - Warning

34
Section 4 - Installation

35
- Installation Checklist
  35
- Location and Clearances
  35
- Startup/Commissioning
  35
- Chilled Liquid Piping
  36
- Compressor Mounting
  36
- Remote Cooler Option
  36
- Spring Isolators (Optional)
  36
- FIGURE 8 - Chilled Liquid System
  
  37
- Pipework Arrangement
  37
- Wiring
  37
- High Pressure Cutout
  38
- Relief Valves
  38
- Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch or Circuit Breaker
  39
FIGURE 9 - Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch or

39
FIGURE 10 - Control Wiring Inputs

40
FIGURE 11 - Thermal Dispersion Flow Switch

41
FIGURE 12 - Thermal Dispersion Flow Switch (Combine Together)

41
FIGURE 13 - Control Wiring Outputs

42
TABLE 3 - Temperatures and Flows

43
Section 5 - Technical Data

43
Section 6 - Commissioning

99
- Preparation - Power off
  99
- Preparation - Power on
  101
- How to Commission the Pump VFD
  102
Section 7 - Unit Controls

107
- Introduction
  107
- IPU II and I/O Boards
  107
- Battery Back-Up
  108
- Display
  108
- Keypad
  108
- Programming # Oof Compressors
  108
- Transformer
  108
- Unit Switch
  108
- Status Key
  109
  - FIGURE 33 - Status Key Messages Quick Reference List
    
    114
    
    FIGURE 34 - Operation Data
    
    118
    
    TABLE 12 - Cooling Setpoint, Programmable Limits and Defaults
    
    126
    
    Program Key
    127
  - Entry Keys
    123
  - Setpoints Keys
    124
  - Schedule/Advance Day Key
    125
- Display/Print Keys
  115
- Unit Keys
  131
TABLE 14 - Minimum, Maximum and Default Values

138
FIGURE 37 - Micro Panel Connections

138
TABLE 15 - Values Required for BAS Communication

139
TABLE 16 - Real Time Error Numbers

140
TABLE 17 - Native Bacnet, Modbus and N2 Communications Data Map

141
TABLE 18 - Yorktalk 2 Communications Data Map

145
Section 8 - Unit Operation

149
Section 9 - Service and Troubleshooting

161
- Clearing History Buffers
  161
- Service Mode
  161
- Service Mode - Outputs
  161
- Service Mode - Analog and Digital Inputs
  162
- Service Mode - Chiller Configuration
  162
- Control Inputs/Outputs
  163
- TABLE 26 - I/O Digital Outputs
  
  163
- TABLE 25 - I/O Digital Inputs
  
  163
- FIGURE 41 - Microboard Layout
  
  164
- Checking Inputs and Outputs
  165
TABLE 32 - Troubleshooting

170
Section 10 - Maintenance

173
- Compressors
  173
- Condenser Fan Motors
  173
- Condenser MCHX Cleaning
  173
- Operating Parameters
  174
- On-Board Battery Back-Up
  174
- Brazed Plate Heat Exchanger (Evaporator) Heater
  174
- Overall Unit Inspection
  174
- Temperature
  177
TABLE 33 - si Metric Conversion

177

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York YLAA Series Manuals

York YLAA Series Installation Operation & Maintenance (178 pages)

Table of Contents

Section 1 - General Chiller Information and Safety

Section 2 - Product Description

TABLE 1 - Canadian Registration Numbers

FIGURE 1 - Unit Components (Front)

FIGURE 2 - Unit Components (Side)

FIGURE 3 - Power Panel Components

FIGURE 4 - Power Panel / Control Components

TABLE 2 - Complete Pin Number Description

FIGURE 5 - Process and Instrumentation Diagram

Section 3 - Handling and Storage

FIGURE 6 - Unit Rigging/Lifting

FIGURE 7 - Warning

Section 4 - Installation

FIGURE 8 - Chilled Liquid System

FIGURE 9 - Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch or

FIGURE 10 - Control Wiring Inputs

FIGURE 11 - Thermal Dispersion Flow Switch

FIGURE 12 - Thermal Dispersion Flow Switch (Combine Together)

FIGURE 13 - Control Wiring Outputs

TABLE 3 - Temperatures and Flows

Section 5 - Technical Data

TABLE 4 - Ethylene and Propylene Glycol Correction Factors

TABLE 5 - Physical Data (English) 60 Hz

TABLE 7 - Voltage Range

TABLE 6 - Micropanel Power Supply

TABLE 9 - Transformer Load

TABLE 8 - Pump Electrical Data (60 Hz)

TABLE 10 - Electrical Data Without Pumps

TABLE 11 - Wiring Lugs

FIGURE 14 - Elementary Wiring Diagram

FIGURE 15 - Elementary Wiring Diagram

FIGURE 16 - Fan Wiring, Standard Air Flow

FIGURE 17 - Fan Wiring, High Air Flow

FIGURE 18 - Single and Dual Point Wiring Options

FIGURE 19 - Pump Wiring

FIGURE 20 - Compressor Wiring

FIGURE 21 - Power Options Connection Diagram

FIGURE 22 - Power Panel

FIGURE 23 - Micro Panel Connections

FIGURE 24 - Four Fan Units Dimensions - YLAA0058HE, YLAA0065HE, YLAA0081HE

FIGURE 25 - Four Fan Units Dimensions - YLAA0070SE, YLAA0080SE, YLAA0089SE

FIGURE 26 - Five Fan Units Dimensions - YLAA0100SE

FIGURE 27 - Six Fan Units Dimensions - YLAA0120SE, YLAA0092HE, YLAA0101HE

FIGURE 28 - Eight Fan Units Dimensions - YLAA0136SE, YLAA0155SE, YLAA0142HE

FIGURE 29 - Ten Fan Units Dimensions - YLAA0170SE, YLAA0156HE, YLAA0175HE

FIGURE 30 - Twelve Fan Units Dimensions

FIGURE 31 - Sample Printout Supplied in the Isolator Package and in the Chiller Panel Literature Packet

FIGURE 32 - Unit Clearances - All Models

Section 6 - Commissioning

Section 7 - Unit Controls

FIGURE 33 - Status Key Messages Quick Reference List

FIGURE 34 - Operation Data

TABLE 12 - Cooling Setpoint, Programmable Limits and Defaults

TABLE 13 - Program Key Limits and Default

FIGURE 35 - Setpoints Quick Reference List

FIGURE 36 - Unit Keys Options Programming Quick Reference List

TABLE 14 - Minimum, Maximum and Default Values

FIGURE 37 - Micro Panel Connections

TABLE 15 - Values Required for BAS Communication

TABLE 16 - Real Time Error Numbers

TABLE 17 - Native Bacnet, Modbus and N2 Communications Data Map

TABLE 18 - Yorktalk 2 Communications Data Map

Section 8 - Unit Operation

FIGURE 38 - Leaving Water Temperature Control Example

FIGURE 39 - Setpoint Adjust

TABLE 19 - Sample Compressor Staging for Return Water Control

TABLE 20 - Return Chilled Liquid Control for 4 Compressors (6 Steps)

TABLE 21 - Lead/Lag Return Chilled Liquid Control for 4 Compressors (6 Steps)

FIGURE 40 - Condenser Fan Locations

TABLE 22 - YLAA Standard Condenser Fan Control Using Discharge Pressure Only (2, 3, or 4 Fans Per System)

TABLE 23 - YLAA Standard Condenser Fan Control Using Discharge Pressure Only

TABLE 24 - Compressor Operation Load Limiting

Section 9 - Service and Troubleshooting

TABLE 27 - I/O Analog Inputs

TABLE 29 - Outdoor Air Sensor Temperature/Voltage/Correlation

TABLE 30 - Entering/Leaving Chilled Liquid Temp. Sensor, Temperature/Voltage Correlation

FIGURE 42 - I/O Board Relay Contact Architecture