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CRDX-G-FS-12KW, CRDX-W-FS-12KW, CRDX-A-FS-24KW, CRDX-G-FS-24KW, CRDX-W-FS-24KW Page
Models:
CRDX-W-FS-12KW
Black Box Cold Row DX
CRDX-W-FS-24KW
CRDX-A-FS-24KW
CRDX-A-FS-12KW
CRDX-G-FS-12KW
CRDX-G-FS-24KW
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Troubleshooting
Install
7. Typical W/G piping diagram
Mounting/Placement
Warranty
Maintenance
Features 4.1.1.1 Field Configurable
Symptom Control is erratic
Temp Zone Setup
System Charging Procedures
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Image 130
NOTES
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724-746-5500
blackbox.com
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Image 130
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Contents
CRDX-G-FS-24KW CRDX-W-FS-12KW
Cold Row DX User Manual
CRDX-A-FS-24KW CRDX-G-FS-12KW CRDX-A-FS-12KW CRDX-W-FS-24KW
Customer Support Information
Page
Trademarks Used in this Manual
Trademarks Used in this Manual
FCC and IC RFI Statements
Page
Instrucciones de Seguridad
Normas Oficiales Mexicanas Electrical Safety Statement
NOM Statement
Page
Table of Contents
Table of Contents
Page
Page
Table of Contents
Water-Cooled Systems CRDX-W-FS-12KW, CRDX-W-FS-24KW
Table of Contents
Page
Table of Contents
Page
Table of Contents
Page
1.2 Product Description
Chapter 1 Introduction
1. Introduction 1.1 General
Page
Page
Chapter 1 Introduction
Figure 1-1. User interface display
Chapter 1 Introduction
12-Month Precision A/C Limited Warranty
24-Month Precision A/C Upgraded Limited Warranty
Page
Chapter 1 Introduction
1.3 Product Warranty
Cold Row Warranty - Compressor
Page
Chapter 1 Introduction
1.4.2 Safety Summary
1.4 Safety 1.4.1 General
Page
Chapter 1 Introduction
Never work on electrical equipment unless another person who is familiar with the operation and hazards of the equipment and is competent in administering first aid is nearby
Page
Chapter 1 Introduction
1.5 General Design
Page
1.5.3 Compressor
1.5.1 Electrical Compartment
1.5.2 Circuit Breakers/Motor Start Protectors
1.5.3.1 Electronic Thermal Expansion Valve
1.6 Optional Equipment
1.5.7 Temperature/Humidity Sensors
1.6.1 Remote Mounted Supply Temperature/Humidity Sensor
1.6.2 Water Detector
2.2 Moving the Equipment
Chapter 2 Installation
2. Installation 2.1 Receiving the Equipment
2.3 Site Preparation
Chapter 2 Installation
2.4 Mounting/Placement
Conditioned Space
Page
Chapter 2 Installation
2.5 Air Distribution
Page
Page
Chapter 2 Installation
Figure 2-2. Typical air distribution
Chapter 2 Installation
2.6 Optional Equipment Field Installed
2.6.1 Remote Water Detectors
Page
Chapter 2 Installation
2.6.2 Remote Temperature/Humidity Sensor
Page
Figure 2-7. Typical W/G piping diagram
2.6.3 Outdoor Condensers
Chapter 2 Installation
Page
Chapter 2 Installation
Piping Connections
Page
Figure 2-8. Top access piping
Water-Water/Glycol Supply and Return Piping Connections
Chapter 2 Installation
Page
Page
Chapter 2 Installation
Figure 2-9. Bottom access piping
SCHRADER VALVE MALE PIPE THREADS
Chapter 2 Installation
2.8 Split Air-Cooled Systems
2.8.1 Refrigerant Piping
Page
Chapter 2 Installation
2.8.1.1 DX Refrigerant Piping Connections
Page
Chapter 2 Installation
2.8.1.2 Refrigerant Pipe Sizing
2.8.2 Remote Air-Cooled Condensers
Page
Chapter 2 Installation
2.9 Utility Connections 2.9.1 Main Power
2.8.3 Condensate Drain Line
Page
Page
Chapter 2 Installation
Figure 2-12. Sample nameplate
2.9.2.2 Remote Temperature/Humidity Sensor
2.9.1.1 Single-Phase Units 208/230
2.9.1.2 Three-Phase Units
2.9.2 Optional Equipment
Chapter 2 Installation
2.9.3.2 Glycol-Cooled Systems CRDX-G-FS-12KW, CRDX-G-FS-24KW
2.9.3.3 Remote Condenser CRDX-A-FS-12KW, CRDX-A-FS-24KW
Page
2.10.2 Remote Air-Cooled Systems
2.10 System Charging Procedures
2.10.1 Water-Water/Glycol Cooled Systems
Chapter 2 Installation
Chapter 2 Installation
2.10.2.1 Estimating Refrigerant Charge
Page
Chapter 2 Installation
2.10.2.2 Preparing System For Charging
Evacuate the System
Page
Initial System Charge
2.10.2.3 Refrigerant Charging Procedures
Fine-Tuning the System Charge
Chapter 2 Installation
Chapter 2 Installation
2.10.2.4 -30 F Ambient Applications
Page
Chapter 2 Installation
2.10.3.2 Saturated Refrigerant Pressure
Page
2.11.3 Thermal Expansion Valve
2.11 Settings and Adjustments 2.11.1 Water-Water/Glycol Circuit
2.11.2 Low-/High-Pressure Limit Switch
2.11.4 Hot Gas Bypass
3.2 Step-by-Step Startup Instructions
Chapter 3 Startup/Commissioning
3. Startup/Commissioning 3.1 Initial Operation
3.3 Microprocessor Controller Programming
Chapter 4 E2 Controller
4.1.1 Features 4.1.1.1 Field Configurable
4.1.1.2 Password Protection
4. E2 Controller 4.1 General
Chapter 4 E2 Controller
4.1.2 User Interface Display Panel
4.1.2.1 Function Keys
Page
4.1.3 Controller I/O Module
4.1.2.2 Contrast Adjustment
4.1.2.3 Alarms
Controller I/O Module Layout
Chapter 4 E2 Controller
4.1.4 BMS Interface
Page
Chapter 4 E2 Controller
4.2 Navigating Controller Display Screens 4.2.1 Menu Selection
4.2.2 Menus
Page
Chapter 4 E2 Controller
4.2.3 Display Variables
4.2.4 Cursor Position in Screens
Page
4.2.5 Modifiable Variables
4.2.6 Password Authorization Levels
4.2.6.1 Password-Protected Screen
Chapter 4 E2 Controller
4.3 System Operation
4.2.6.2 Wrong Password
4.2.6.3 Setting the Passwords
Chapter 4 E2 Controller
Chapter 4 E2 Controller
4.3.1 Setpoint Adjustment
Page
Page
Chapter 4 E2 Controller
Figure 4-14. Flashing cursor
4.3.2.2 Customer Alarms
4.3.2 Alarms
4.3.2.1 Summary Alarm
4.3.2.3 Custom Alarms
Chapter 4 E2 Controller
4.4.1 Control Signals
4.4.1.1 On/Off Digital Control
Page
4.4.2 Control Methods
4.4.2.1 Temperature/RH Control
4.4.1.2 Proportional/Integral P/I Control
4.4.2.2 Dewpoint Control
Chapter 4 E2 Controller
4.4.3 Operating Configurations
4.4.3.1 Compressor Operation
Page
4.4.4 Airflow/Fan Speed Control
4.4.3.2 Water-W/G Operation
4.4.3.3 Dehumidifying
Chapter 4 E2 Controller
4.4.4.2 Variance from Average Fan Speed Control
4.4.4.3 Temperature Proportionate Speed Control
4.4.4.1 Independent Fan Speed Control
4.4.4.4 Manual Speed Control
Chapter 4 E2 Controller
“Control” allows modification of basic control parameters such as setpoints and clock. Level 1 password is needed to enter this menu
Page
4.5.2 Information Menu Loop
4.5.2.2 Return Temperature Sensor
4.5.2.4 Temperature Sensors
4.5.2.1 Operating Conditions
4.5.2.7 Setpoint Values
4.5.2.5 Remote Supply Temperature/Humidity Sensor
4.5.2.6 Discharge Pressure
4.5.2.8 Compressor Status
4.5.2.12 Group Information Menu Screens
4.5.2.10 EHGB Status
4.5.2.11 Fan Status
4.5.2.13 Software Version/Date
4.5.3.2 Non-Critical Alarms
4.5.3 Alarm Log
4.5.3.1 Alarms
4.5.3.3 Critical Alarms
Chapter 4 E2 Controller
4.5.3.4 Alarm Screen Messages
Table 4-3. Alarm screen messages
Page
Chapter 4 E2 Controller
4.5.4 Control Menu Loop
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Chapter 4 E2 Controller
4.5.4.1 Setpoint Screens
Page
Chapter 4 E2 Controller
4.5.4.2 Alarm Setpoint Screens
Page
Chapter 4 E2 Controller
Figure 4-33. Low humidity alarm
Page
4.5.4.3 Clock Screen
Dirty Filter Timer
4.5.5 Service Menu Loop
Chapter 4 E2 Controller
Chapter 4 E2 Controller
4.5.5.1 Humidity
Figure 4-40. Service menu loop selections
Page
Chapter 4 E2 Controller
4.5.5.2 Alarms
Page
Chapter 4 E2 Controller
4.5.5.3 Sensors
Page
4.5.5.4 Blower
Temp Zone Setup
Blower Setup
Chapter 4 E2 Controller
Chapter 4 E2 Controller
4.5.5.5 Options Menu Loop
Control, Startup
Page
Chapter 4 E2 Controller
Unit Timers
T/H Offset Scaling
Page
Chapter 4 E2 Controller
Custom Setup
Customer Alarm Input Optional
Page
Chapter 4 E2 Controller
Custom Alarm Setup Optional
Page
Chapter 4 E2 Controller
Table 4-5. Alarms 9 to
Table 4-6. Alarms 17 to
Page
Chapter 4 E2 Controller
Table 4-7. Alarms 25 to 32 Sensor failure alarms
Table 4-8. Alarms 33 to 40 Sensor failure alarms
Page
Chapter 4 E2 Controller
Workgroup Screens
Page
Chapter 4 E2 Controller
4.5.5.6 Digital In
4.5.5.7 Run Hours
Page
Chapter 4 E2 Controller
4.5.5.9 Save Configuration
4.5.5.8 BMS Communications
Page
Chapter 4 E2 Controller
4.5.5.10 Factory Menu
Page
Chapter 4 E2 Controller
4.6.1 Workgroup Setup
4.6 Communication with the Controller
Page
4.6.1.1 Standby
4.6.1.4 Out of Service
4.6.2 Configuring a Workgroup
4.6.1.2 Capacity Assist
Chapter 4 E2 Controller
4.6.2.1 Configure the Terminal Address
Page
Chapter 4 E2 Controller
4.6.2.2 Configure the Controller I/O Board pLAN Address
4.6.2.3 Assign the Terminal to the Controller
Page
Chapter 4 E2 Controller
4.6.2.4 Fault Messages
4.6.2.5 Displaying the Network Status and Firmware Version
Page
Chapter 4 E2 Controller
4.6.2.6 Configure Workgroups
Page
Chapter 4 E2 Controller
Figure 4-76. FactoryGroupsGroups Config Screen 1. See Table
Table 4-12. FactoryGroupsGroups Config Screen 1 parameters
Page
Page
Chapter 4 E2 Controller
Table 4-13. FactoryGroupGroup Rotation Screen 2 parameters
Page
Chapter 4 E2 Controller
Table 4-15. FactoryGroupCapacity Assist Screen 4 parameters
Chapter 4 E2 Controller
Table 4-17. Group alarms 1 to
Table 4-18. Group alarms 9 to
Page
Chapter 4 E2 Controller
Table 4-19. Group alarms 17 to
Table 4-20. Group alarms 25 to
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Chapter 4 E2 Controller
Table 4-21. Group alarms 33 to
Page
Chapter 4 E2 Controller
4.6.2.7 ServiceOptionsGroup Menu Screens
Group Setup
Page
Group Sensors
Capacity Assist
Capacity Assist #2
Chapter 4 E2 Controller
Chapter 4 E2 Controller
Group Averaging
4.6.2.8 Group Information Menu Screens
Page
Lead Controller Group Sensors
Group Alarms
Group Sensor Values
Group Sensor Status
Chapter 4 E2 Controller
4.7 BMS Communications
Page
Chapter 4 E2 Controller
4.7.1 Direct BMS Control
4.7.2 BMS Communication
Page
Chapter 4 E2 Controller
4.8 Troubleshooting the Control I/O Module Signal LEDs
Table 4-26. I/O control module signal LEDs
Page
Page
4.9 BMS Parameters, Version
Chapter 4 E2 Controller
Table 4-27. BMS parameters
Chapter 4 E2 Controller
Page
Page
Chapter 4 E2 Controller
Type of unit valid numbers 0 to 6 See
Page
Variable/Value Descriptions
Chapter 4 E2 Controller
Table 4-30. Variable/Value Descriptions
Chapter 4 E2 Controller
4.9.4 Alarm Packed Bit Variables
Table 4-32. Alarm-Packed Bit Variables
Page
Page
4.9.5 Sensor Failure Packed Bit Variables
Chapter 4 E2 Controller
Table 4-33. Sensor Failure Packed Bit Variables
Page
4.9.6 Digital Input Packed Bit Variables
Chapter 4 E2 Controller
Table 4-34. Digital Input Packed Bit Variables
Page
4.9.7 Digital Output Packed Bit Variables
Chapter 4 E2 Controller
Table 4-35. Digital Output Packed Bit Variables
Page
Chapter 4 E2 Controller
4.9.8 Unsigned Values for HTTP, SNMP/Modbus Holding Registers/Analog Values for BACnet
5.1.1.1 Cleanable Filters
Chapter 5 Maintenance
5. Maintenance 5.1 Periodic General Maintenance
5.1.1 Filters
F Fgure 5-1. Cleanable filters
Chapter 5 Maintenance
Page
5.1.3 Coil
5.1.1.2 Cartridge Filters
5.1.2 EC Fans
5.1.4 Drain Pans
Chapter 5 Maintenance
5.2 Troubleshooting
5.1.6 A/C System
Page
Symptom Control is erratic
Chapter 5 Maintenance
Page
Chapter 5 Maintenance
Page
Leak Detection/Repair
5.3 Field Service
5.3.1 Water-Water/Glycol System
5.3.2 DX System
Chapter 5 Maintenance
5.3.2.3 Refrigerant Piping
5.3.3 Refrigeration System Repairs 5.3.3.1 Compressor Failure
Page
5.3.4 Component Replacement
5.3.3.2 Standard Cleanout Procedure
5.3.3.3 Burn-Out/Acidic Cleanup Procedure
5.3.4.1 Fan Replacement
Chapter 5 Maintenance
5.3.4.2 Condensate Pump Replacement
Page
6.2 Obtaining Warranty Parts
Chapter 6 Troubleshooting
6. Troubleshooting
6.3 Obtaining Spare/Replacement Parts
Page
Chapter 6 Troubleshooting
Quotes are given for specified listed parts for a specific unit
Appendix A. Forms
A.1 Checklist for Completed Installation of Cold Row DX
Appendix A Forms
Page
Page
Appendix A Forms
Date
Appendix B. Glossary Definition of Terms and Acronyms
Appendix B Glossary Definition of Terms and Acronyms
Page
Page
Appendix B Glossary Definition of Terms and Acronyms
VDC Volt, direct current WG Water Glycol
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Page
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