Black Box CRCW-24 Manuals

Manuals and User Guides for Black Box CRCW-24. We have 1 Black Box CRCW-24 manual available for free PDF download: User Manual

Black Box CRCW-24 User Manual

Black Box CRCW-24 User Manual (128 pages)

Cold Row Chilled Water (CW)

Brand: Black Box | Category: Air Conditioner | Size: 26.46 MB

Table of Contents

Instrucciones de Seguridad
4
Table of Contents
5
1 Introduction

10
- General
  10
- Product Description
  10
- Product Warranty
  12
- Safety
  13
  - General
    13
  - Safety Summary
    13
- General Design
  15
  - Electrical Compartment
    16
  - Circuit Breakers/Motor Start Protectors
    16
  - Coils
    16
  - Condensate Pump
    17
  - EC Fans
    17
  - Temperature/Humidity Sensors
    17
- Optional Equipment
  17
  - Remote Mounted Supply Temperature/Humidity Sensor
    17
  - Humidifier
    17
  - Water Detector
    17
  - Smoke Detector
    17
  - Firestat
    18
  - Dual Power Auto Transfer Switching
    18
2 Installation

19
- Receiving the Equipment
  19
- Moving the Equipment
  19
- Site Preparation
  19
- Mounting/Placement
  20
- Air Distribution
  21
- Optional Equipment (Field Installed)
  23
  - Remote Water Detectors
    23
  - Remote Temperature/Humidity Sensor
    24
- Chilled Water (CW) Cooling
  25
- Utility Connections
  28
  - Main Power
    28
    
    Single-Phase Units 120 V
    30
    
    Single-Phase Units 208/230 V
    30
    
    Three-Phase Units
    30
  - Optional Equipment
    30
    
    Remote On/Off
    30
    
    Remote Temperature/Humidity Sensor
    30
    
    Remote Water Detector
    30
- Chilled Water System Preparation
  31
- Settings and Adjustments
  31
  - Chilled Water Circuit
    31
  - EC Fans
    31
  - Humidifier Adjustment
    31
3 Startup/Commissioning

32
4 E2 Controller

34
- General
  34
  - Features
    34
    
    A/C Grouping Plan Operation
    34
    
    Field Configurable
    34
    
    Password Protection
    34
    
    Restorable Setpoint Parameters
    34
  - User Interface Display Panel
    35
    
    Function Keys
    35
    
    Alarms
    36
    
    Contrast Adjustment
    36
  - Controller I/O Module
    36
  - BMS Interface
    37
- Navigating Controller Display Screens
  38
  - Menu Selection
    38
  - Menus
    38
  - Display Variables
    39
  - Cursor Position in Screens
    39
  - Modifiable Variables
    40
  - Password Authorization Levels
    40
    
    Password-Protected Screen
    40
    
    Setting the Passwords
    41
    
    Wrong Password
    41
- System Operation
  41
  - Setpoint Adjustment
    43
  - Alarms
    44
    
    Custom Alarms
    44
    
    Customer Alarms
    44
    
    Summary Alarm
    44
- Controller Operation
  45
  - Control Signals
    46
    
    On/Off Digital Control
    47
    
    Proportional/Integral (P/I) Control
    47
  - Control Methods
    47
    
    Dewpoint Control
    47
    
    Temperature/Rh Control
    47
  - Operating Configurations
    48
    
    CW Cooling
    48
    
    Dehumidifying
    48
    
    Humidifying
    48
  - Airlfow/Fan Speed Control
    49
    
    Independent Fan Speed Control
    49
    
    Manual Speed Control
    50
    
    Static Pressure Control
    50
    
    Temperature Proportionate Speed Control
    50
    
    Variance from Average Fan Speed Control
    50
  - Remote On/Off
    50
  - Dual Power Transfer Monitoring
    50
- Menu Screens
  50
  - Main Menu
    50
  - Information Menu Loop
    52
    
    Operating Conditions
    52
    
    Remote Supply (RSP) Humidity Sensor
    52
    
    Remote Supply (RSP) Temperature Sensor
    52
    
    Return Humidity Sensor
    52
    
    Return Temperature Sensor
    52
    
    Setpoint Values
    53
    
    Static Pressure
    53
    
    Temperature Sensors
    53
    
    Water Temperature
    53
    
    CW Valve Status
    54
    
    Fan Status
    54
    
    Group Information Menu Screens
    54
    
    Dual Power
    55
    
    Software Version/Date
    55
  - Alarm Log
    55
    
    Alarms
    55
    
    Non-Critical Alarms
    56
    
    Alarm Screen Messages
    57
    
    Critical Alarms
    57
  - Control Menu Loop
    58
    
    Setpoint Screens
    59
    
    Alarm Setpoint Screens
    60
    
    Clock Screen
    63
  - Service Menu Loop
    63
    
    Cool
    64
    
    Humidity
    65
- Alarms
  66
- Sensors
  66
  - Blower
    67
    
    Blower Setup
    68
    
    Static Pressure PI Status
    68
    
    Temperature Zone Setup
    68
    
    Options Menu Loop
    69
    
    Control, Startup
    70
    
    Unit Timers
    70
    
    Auto Flush Cycle
    71
    
    T/H Offset Scaling
    71
    
    Custom Setup
    72
    
    Customer Alarm Input
    72
    
    Custom Alarm Setup
    73
    
    Workgroup Screens
    76
    
    Digital in
    77
    
    Run Hours
    77
    
    BMS Communications
    78
    
    Save Configuration
    78
    
    Factory Menu
    79
- Communication with the Controller
  80
  - Workgroup Setup
    80
    
    Capacity Assist
    81
    
    Out of Service
    81
    
    Standby
    81
    
    Unit Rotation
    81
  - Configuring a Workgroup
    81
    
    Configure the Terminal Address
    82
    
    Assign the Terminal to the Controller
    83
    
    Configure the Controller (I/O Board) Plan Address
    83
    
    Displaying the Network Status and Firmware Version
    84
    
    Fault Messages
    84
    
    Configure Workgroups
    85
    
    Group Setup
    92
    
    Service>Options>Group Menu Screens
    92
    
    Capacity Assist
    93
    
    Capacity Assist #2
    93
    
    Group Sensors
    93
    
    Group Averaging
    94
    
    Group Alarms
    95
    
    Group Information Menu Screens
    95
    
    Group Sensor Status
    95
    
    Group Sensor Values
    95
    
    Lead Controller Group Sensors
    95
- BMS Communications
  96
  - Direct BMS Control
    97
  - BMS Communication
    97
- Troubleshooting the Control I/O Module
  98
- BMS Modbus Parameters, Version 1.1
  99
5 Maintenance

108
- Periodic General Maintenance
  108
  - Filters
    108
    
    Cleanable Filters
    108
    
    Cartridge Filters
    110
  - EC Fans
    110
  - Coil
    110
  - Drain Pans
    110
  - Condensate Pump
    110
  - Humidifier
    111
- Troubleshooting
  111
- Field Service
  113
  - CW System
    113
  - System Repairs/Component Replacement
    114
    
    Humidifier Cylinder Replacement
    114
    
    Fan Replacement
    116
    
    Condensate Pump Replacement
    117
6 Troubleshooting

119
- Contacting Technical Support
  119
- Obtaining Warranty Parts
  119
- Obtaining Spare/Replacement Parts
  119
Appendix A. Forms

121
- Checklist for Completed Installation
  121
- Periodic General Maintenance Checks and Service Checklist
  122
Appendix B. Glossary: Definition of Terms and Acronyms

123

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