User Manuals: York YLAA0100 Air-Cooled Scroll Chiller

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

Introduction

15

General System Description

15

FIGURE 1 - Compressor Enclosure for YLAA0041HE

16

TABLE 1 - Canadian Registration Numbers

16

Communications

18

Building Automation System Interface

18

Power Panel

18

Accessories and Options

18

FIGURE 2 - Unit Components (Front)

21

FIGURE 3 - Unit Components (Side)

22

FIGURE 4 - Power Panel Components

23

FIGURE 5 - Power Panel / Control Components

24

TABLE 2 - Complete Pin Number Description

25

FIGURE 6 - Process and Instrumentation Diagram

31

Section 3 - Handling and Storage

33

FIGURE 7 - Rigging and Lifting Label

33

Delivery and Storage

34

Inspection

34

Moving the Chiller

34

FIGURE 8 - Unit Rigging/Lifting

35

Lifting Weights

36

Lifting Using Lugs

36

Lifting Using Shackles

36

FIGURE 9 - Lifting Lugs

36

Section 4 - Installation

37

Installation Checklist

37

Startup/Commissioning

37

Location and Clearances

37

Spring Isolators (Optional)

38

Compressor Mounting

38

Chilled Liquid Piping

38

Pipework Arrangement

39

Wiring

39

FIGURE 10 - Chilled Liquid System

39

Relief Valves

40

High Pressure Cutout

40

Single-Point Supply Connection - Terminal Block, Non-Fused

41

Disconnect Switch or Circuit Breaker

41

FIGURE 11 - Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch

41

FIGURE 12 - Control Wiring Inputs

42

TABLE 3 - Chemical Specification of Water

43

FIGURE 13 - Thermal Dispersion Flow Switch

44

FIGURE 14 - Wiring of Thermal Dispersion Flow Switch

44

FIGURE 15 - Control Wiring Outputs

46

Section 5 - Technical Data

47

TABLE 4 - Temperatures and Flows

47

TABLE 5 - Ethylene and Propylene Glycol Correction Factors

49

Physical Data YLAA0041 - YLAA0230 60 Hz

50

TABLE 6 - Physical Data (English) 60 Hz

50

Electrical Data

54

Compressor Heaters

54

TABLE 7 - Micropanel Power Supply

54

TABLE 8 - Voltage Range

54

TABLE 9 - Pump Electrical Data 60 Hz

55

TABLE 10 - Transformer Load

55

TABLE 11 - Electrical Data Without Pumps

56

TABLE 12 - Wiring Lugs

62

Electrical Notes

65

FIGURE 16 - Elementary Wiring Diagram

71

FIGURE 17 - Elementary Wiring Diagram

72

FIGURE 18 - Fan Wiring, Standard Air Flow

74

FIGURE 19 - Fan Wiring, High Air Flow

76

FIGURE 20 - Single and Dual Point Wiring Options

78

FIGURE 21 - Pump Wiring

80

FIGURE 22 - EEV Controller Elementary Diagram

82

FIGURE 23 - Compressor Wiring

84

FIGURE 24 - Power Options Connection Diagram

87

FIGURE 25 - Power Panel

88

FIGURE 26 - Micro Panel Connections

91

FIGURE 27 - Four Fan Units Dimensions - YLAA0041HE, YLAA0048HE, YLAA0058HE, YLAA0065HE

92

FIGURE 28 - Four Fan Units Dimensions - YLAA0070SE, YLAA0080SE, YLAA0089SE

93

FIGURE 29 - Five Fan Units Dimensions - YLAA0100SE

94

FIGURE 30 - Six Fan Units Dimensions - YLAA0092HE, YLAA0101HE, YLAA0115SE, YLAA0120SE

95

FIGURE 31 - Eight Fan Units Dimensions - YLAA0125HE, YLAA0136SE, YLAA0139HE, YLAA0142HE

96

FIGURE 32 - Ten Fan Units Dimensions - YLAA0170SE, YLAA0156HE, YLAA0175HE

97

FIGURE 33 - Twelve Fan Units Dimensions - YLAA200HE, YLAA0230HE

98

Weight Distribution and Isolator Mounting Positions

99

FIGURE 34 - Sample Printout Supplied in the Isolator Package and in the Chiller Panel Literature Packet

99

Clearances

100

FIGURE 35 - Unit Clearances - All Models

100

Isolator Locations

101

Isolator Information

104

Section 6 - Commissioning

111

Preparation - Power off

111

FIGURE 36 - EEV IB-G Interface Board

113

Commissioning the Pump VFD

114

Preparation - Power on

114

FIGURE 37 - Drive Display

116

TABLE 13 - Drive Programming Parameters

116

FIGURE 38 - Circuit Breaker Panel

117

Determining Proper Oil Levels

118

FIGURE 39 - Tandem Set

118

FIGURE 40 - Trio Set

118

Section 7 - Unit Controls

123

Introduction

123

IPU II and I/O Boards

123

Transformer

124

Display

124

Keypad

124

Unit Switch

124

Battery Backup

124

Programming the Number of Compressors

124

Status Key

125

TABLE 14 - YLAA Fault and Inhibit Codes

131

TABLE 15 - Legend

131

FIGURE 41 - Status Key Messages Quick Reference List

132

Display/Print Keys

133

FIGURE 42 - Operation Data

136

Entry Keys

141

Setpoints Keys

142

Schedule/Advance Day Key

143

TABLE 16 - Cooling Setpoint, Programmable Limits, and Defaults

144

Program Key

145

TABLE 17 - Program Key Limits and Default

147

FIGURE 43 - Setpoints Quick Reference List

148

TABLE 18 - Program Key Limits and Default

149

Unit Keys

151

FIGURE 44 - Unit Keys Options Programming Quick Reference List

158

Bacnet, Modbus, N2, and Yorktalk 2 Communications

159

FIGURE 45 - Micro Panel Connections

160

TABLE 19 - Minimum, Maximum and Default Values

160

TABLE 20 - Values Required for BAS Communication

161

TABLE 21 - Real Time Error Numbers

162

TABLE 22 - Native Bacnet, Modbus and N2 Communications Data Map

163

TABLE 23 - Yorktalk 2 Communications Data Map

168

Section 8 - Unit Operation

175

Capacity Control

175

Suction Pressure Limit Controls

176

Discharge Pressure Limit Controls

176

Leaving Chilled Liquid Control

176

FIGURE 46 - Leaving Water Temperature Control Example

176

Leaving Chilled Liquid Control Override to Reduce Cycling

177

FIGURE 47 - Setpoint Adjust

177

TABLE 24 - Sample Compressor Staging for Return Water Control

177

Leaving Chilled Liquid System Lead/Lag and Compressor Sequencing

178

Return Chilled Liquid System Lead/Lag and Compressor Sequencing

178

Anti-Recycle Timer

178

Anti-Coincidence Timer

178

Evaporator Pump Control and YORK Hydro Kit Pump Control

178

Evaporator Heater Control

179

Pumpdown Control

179

Standard Condenser Fan Control

179

VSD Fan

179

Changing the Switch Point of the Thermal Dispersion Flow Switch

179

FIGURE 48 - Condenser Fan Locations

180

TABLE 25 - YLAA Standard Condenser Fan Control Using Discharge Pressure Only (2, 3, or 4 Fans Per System)

181

TABLE 26 - YLAA Standard Condenser Fan Control Using Discharge Pressure Only

181

Load Limiting

183

Compressor Run Status

183

Alarm Status

183

TABLE 27 - Compressor Operation Load Limiting

183

Remote BAS/EMS Temperature Reset Using a Voltage or Current Signal

184

Section 9 - Service and Troubleshooting

185

Clearing History Buffers

185

Resetting System Lockout Faults

185

Service Mode

185

Service Mode - Outputs

185

Service Mode - Chiller Configuration

186

Service Mode - Analog and Digital Inputs

186

Control Inputs/Outputs

187

TABLE 28 - I/O Digital Inputs

187

TABLE 29 - I/O Digital Outputs

187

TABLE 30 - I/O Analog Inputs

187

TABLE 31 - I/O Analog Outputs

187

FIGURE 49 - Microboard Layout

188

Checking Inputs and Outputs

189

TABLE 32 - Outdoor Air Sensor Temperature/Voltage/Correlation

189

TABLE 33 - Entering/Leaving Chilled Liquid Temp. Sensor, Temperature/Voltage Correlation

190

TABLE 34 - Pressure Transducers

191

FIGURE 50 - I/O Board Relay Contact Architecture

192

TABLE 35 - Data Logging to Flash

193

Optional Printer Installation

195

FIGURE 51 - Printer to Microboard Electrical Connections

196

Troubleshooting

197

TABLE 36 - Troubleshooting

197

Section 10 - Maintenance

199

Compressors

199

Condenser Fan Motors

199

Condenser MCHX Cleaning

199

Operating Parameters

201

On-Board Battery Backup

201

Thermal Dispersion Flow Switch

201

Brazed Plate Heat Exchanger (Evaporator) Heater

201

Overall Unit Inspection

201

TABLE 37 - si Metric Conversion

205

User Manuals: York YLAA0100 Air-Cooled Scroll Chiller

York YLAA0100 Manual (206 pages)

Table of Contents

York YLAA0100 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