York YCUL0035EE Manuals

Manuals and User Guides for York YCUL0035EE. We have 1 York YCUL0035EE manual available for free PDF download: Installation, Operation And Maintenance Manual

York YCUL0035EE Installation, Operation And Maintenance Manual (178 pages)

Air-Cooled Scroll Compressor Condensing Units Style E

Brand: York | Category: Heat Pump | Size: 8.57 MB

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

11
- Compressors
  11
- Condenser
  11
- Introduction
  11
- Refrigerant Circuit
  11
- Warranty
  11
- About this Manual
  12
- Misuse of Equipment
  12
- Safety and Quality
  12
- FIGURE 1 - YCUL Air-Cooled Scroll Compressor Condensing Unit
  
  15
- Microcomputer Control Center
  16
- Building Automation System Interface
  17
- Communications
  17
- Power Panel
  17
- Discharge Pressure Transducers and Readout Capability
  18
Section 2 - Product Description

15
FIGURE 5 - Refrigerant Flow Diagram

27
FIGURE 6 - Process and Instrumentation Diagram

28
FIGURE 7 - Unit Rigging

29
Section 3 - Handling and Storage

29
- Delivery and Storage
  29
- Inspection
  29
- Unit Rigging
  29
Section 4 - Installation

31
- Handling
  31
- Installation Checklist
  31
- Location and Clearances
  31
- Compressor Mounting
  32
- Ductwork Connection
  32
- Pipework Arrangement
  32
- Recommendations of the Building Services Research Association
  32
- Spring Isolators (Optional)
  32
- Wiring
  32
- FIGURE 8 - Wiring Options for Remotely Start or Stop the Dual System Unit
  
  33
- Compressor Heaters
  34
- High Pressure Cutout
  34
- Refrigerant Piping
  34
- Relief Valves
  34
- TABLE 2 - Refrigerant Piping Charges
  
  35
- TABLE 1 - Fitting Equivalent Lengths
  
  35
- TABLE 4 - Refrigerant Line Connections
  
  36
- TABLE 3 - Miscellaneous Liquid Line Pressure Drops
  
  36
- Filter Driers / Sight Glasses / Txvs
  37
- Oil Traps
  37
- Refrigerant Charge
  37
- Refrigerant Piping Reference
  37
FIGURE 9 - Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch

38
FIGURE 10 - Discharge Air Sensor Field Wiring

38
FIGURE 11 - Control Wiring

39
Section 5 - Technical Data

41
FIGURE 39 - Installation of Durulene Vibration Isolators

101
Section 6 - Commissioning

103
- Preparation - Power off
  103
- Preparation - Power on
  104
- Equipment Pre-Startup and Startup Checklist
  105
Section 7 - Unit Controls

109
- Introduction
  109
- Microprocessor Board
  109
- Unit Switch
  110
- Display
  110
- Keypad
  110
- Battery Back-Up
  110
- Transformer
  110
- Single System Select and Programming # of Compressors
  110
TABLE 11 - Status Key Messages Quick Reference List

116
TABLE 12 - Operation Data

120
TABLE 13 - Cooling Setpoints Programmable Limits and Defaults

131
TABLE 14 - Program Key Limits and Defaults

131
TABLE 15 - Setpoints Quick Reference List

132
TABLE 16 - Options Key Programming Quick Reference List

138
Section 8 - Unit Operation

139
Section 9 - Service and Troubleshooting

147
- Clearing History Buffers
  147
- Service Mode
  147
- Service Mode - Outputs
  147
- Service Mode - Analog and Digital Inputs
  148
- Service Mode - Condensing Unit Configuration
  148
- Control Inputs/Outputs
  149
- TABLE 27 - I/O Analog Outputs
  
  149
- TABLE 26 - I/O Analog Inputs
  
  149
- TABLE 25 - I/O Digital Outputs
  
  149
- TABLE 24 - I/O Digital Inputs
  
  149
- FIGURE 43 - Microboard Layout
  
  150
- Checking Inputs and Outputs
  151
TABLE 28 - Outdoor Air Sensor Temperature/Voltage/Correlation

151
TABLE 29 - Discharge Air Temp. Sensor Temperature/Voltage/Resistance Correlation

152
TABLE 30 - Pressure Transducers

153
FIGURE 44 - I/O Board Relay Contact Architecture

154
FIGURE 45 - Printer to Microboard Electrical Connections

155
TABLE 31 - Troubleshooting

157
Section 10 - Maintenance

159
- Important
  159
- Compressors
  159
- Condenser Fan Motors
  159
- Condenser Coils
  159
- Operating Parameters
  159
- Onboard Battery Back-Up
  159
- Overall Unit Inspection
  159
- Bacnet, Modbus, and Yorktalk 2 Communications
  160
TABLE 32 - Minimum, Maximum, and Default Values

161
FIGURE 46 - Micro Panel Connections

161
TABLE 33 - Values Required for Bas Communication

162
TABLE 34 - Real Time Error Numbers

162
TABLE 35 - Bacnet and Modbus Communications Data Map

164
TABLE 36 - Yorktalk 2 Communications Data Map

168

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York YCUL0035EE Installation, Operation And Maintenance Manual (178 pages)

Table of Contents

Section 1 - General Equipment Information and Safety

FIGURE 1 - YCUL Air-Cooled Scroll Compressor Condensing Unit

Section 2 - Product Description

FIGURE 2 - Unit Components Front

FIGURE 3 - Control/Power Panel Components Single System Units

FIGURE 4 - Control/Power Panel Components Dual System Units

FIGURE 5 - Refrigerant Flow Diagram

FIGURE 6 - Process and Instrumentation Diagram

FIGURE 7 - Unit Rigging

Section 3 - Handling and Storage

Section 4 - Installation

FIGURE 8 - Wiring Options for Remotely Start or Stop the Dual System Unit

TABLE 2 - Refrigerant Piping Charges

TABLE 1 - Fitting Equivalent Lengths

TABLE 4 - Refrigerant Line Connections

TABLE 3 - Miscellaneous Liquid Line Pressure Drops

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

FIGURE 10 - Discharge Air Sensor Field Wiring

FIGURE 11 - Control Wiring

Section 5 - Technical Data

TABLE 5 - Voltage Limitations

TABLE 9 - Voltage Range

TABLE 8 - Micro Panel Power Supply

TABLE 10 - Lug Ranges

FIGURE 12 - Control Wiring Diagram, Single Circuit, IPU II

FIGURE 13 - Control Wiring Diagram, Single Circuit, IPU II

FIGURE 39 - Installation of Durulene Vibration Isolators

Section 6 - Commissioning

Section 7 - Unit Controls

TABLE 11 - Status Key Messages Quick Reference List

TABLE 12 - Operation Data

TABLE 13 - Cooling Setpoints Programmable Limits and Defaults

TABLE 14 - Program Key Limits and Defaults

TABLE 15 - Setpoints Quick Reference List

TABLE 16 - Options Key Programming Quick Reference List

Section 8 - Unit Operation

FIGURE 40 - Discharge Air Temperature Control

TABLE 17 - Discharge Air Temperature Control for 5 and 6 Compressors (7 and 8 Steps)

TABLE 18 - Discharge Air Temperature Control for 4 Compressors (6 Steps)

FIGURE 41 - Suction Pressure Control

TABLE 20 - YCUL0045 - YCUL0072 Condenser Fan Control Using Discharge Pressure Only

FIGURE 42 - YCUL0045 - YCUL0072 Fan Location (Typical)

TABLE 22 - YCUL0020 - YCUL0035 Low Ambient Condenser Fan Control - Discharge Pressure Control

TABLE 21 - YCUL0020 - YCUL0072 Low Ambient Condenser Fan Control - Discharge Pressure Control

TABLE 23 - Compressor Operation - Load Limiting

TABLE 19 - YCUL0020 - YCUL0072 Condenser Fan Control Using Outdoor Ambient Temperature and Discharge Pressure

Section 9 - Service and Troubleshooting

TABLE 27 - I/O Analog Outputs

TABLE 26 - I/O Analog Inputs

TABLE 25 - I/O Digital Outputs

TABLE 24 - I/O Digital Inputs

FIGURE 43 - Microboard Layout

TABLE 28 - Outdoor Air Sensor Temperature/Voltage/Correlation

TABLE 29 - Discharge Air Temp. Sensor Temperature/Voltage/Resistance Correlation

TABLE 30 - Pressure Transducers

FIGURE 44 - I/O Board Relay Contact Architecture

FIGURE 45 - Printer to Microboard Electrical Connections

TABLE 31 - Troubleshooting

Section 10 - Maintenance

TABLE 32 - Minimum, Maximum, and Default Values

FIGURE 46 - Micro Panel Connections

TABLE 33 - Values Required for Bas Communication

TABLE 34 - Real Time Error Numbers

TABLE 35 - Bacnet and Modbus Communications Data Map

TABLE 36 - Yorktalk 2 Communications Data Map

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