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Black Box CRDX-G-FS-24KW, CRDX-W-FS-12KW Maintenance, Page, F Fgure 5-1. Cleanable filters

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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Chapter 5: Maintenance

F

Fgure 5-1. Cleanable filters.

Clean the filter media using a vacuum cleaner, low-pressure compressed air, or rinse with water. A mild detergent such as dishwashing liquid may be used. DO NOT use solvents or cleaning agents. Replace the filters every 2 to 3 years when they become too flimsy.

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Page 114

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Black Box CRDX-G-FS-24KW, CRDX-W-FS-12KW, CRDX-A-FS-24KW, CRDX-W-FS-24KW Maintenance, Page, F Fgure 5-1. Cleanable filters

Contents

CRDX-G-FS-24KW CRDX-W-FS-12KW Cold Row DX User ManualCRDX-A-FS-24KW CRDX-G-FS-12KW CRDX-A-FS-12KW CRDX-W-FS-24KW Customer Support InformationTrademarks Used in this Manual PageTrademarks Used in this Manual FCC and IC RFI Statements PageInstrucciones de Seguridad Normas Oficiales Mexicanas Electrical Safety StatementNOM Statement PageTable of Contents Table of ContentsPage Table of Contents PageWater-Cooled Systems CRDX-W-FS-12KW, CRDX-W-FS-24KW Table of Contents PageTable of Contents PageTable of Contents Page1.2 Product Description Chapter 1 Introduction1. Introduction 1.1 General PageChapter 1 Introduction PageFigure 1-1. User interface display Chapter 1 Introduction 12-Month Precision A/C Limited Warranty24-Month Precision A/C Upgraded Limited Warranty PageChapter 1 Introduction 1.3 Product WarrantyCold Row Warranty - Compressor PageChapter 1 Introduction 1.4.2 Safety Summary1.4 Safety 1.4.1 General PageNever 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 Chapter 1 IntroductionPage 1.5 General Design Chapter 1 IntroductionPage 1.5.3 Compressor 1.5.1 Electrical Compartment1.5.2 Circuit Breakers/Motor Start Protectors 1.5.3.1 Electronic Thermal Expansion Valve1.6 Optional Equipment 1.5.7 Temperature/Humidity Sensors1.6.1 Remote Mounted Supply Temperature/Humidity Sensor 1.6.2 Water Detector2.2 Moving the Equipment Chapter 2 Installation2. Installation 2.1 Receiving the Equipment 2.3 Site PreparationChapter 2 Installation 2.4 Mounting/PlacementConditioned Space Page2.5 Air Distribution Chapter 2 InstallationPage Chapter 2 Installation PageFigure 2-2. Typical air distribution Chapter 2 Installation 2.6 Optional Equipment Field Installed2.6.1 Remote Water Detectors Page2.6.2 Remote Temperature/Humidity Sensor Chapter 2 InstallationPage Figure 2-7. Typical W/G piping diagram 2.6.3 Outdoor CondensersChapter 2 Installation PagePiping Connections Chapter 2 InstallationPage Figure 2-8. Top access piping Water-Water/Glycol Supply and Return Piping ConnectionsChapter 2 Installation PagePage Chapter 2 InstallationFigure 2-9. Bottom access piping SCHRADER VALVE MALE PIPE THREADSChapter 2 Installation 2.8 Split Air-Cooled Systems2.8.1 Refrigerant Piping Page2.8.1.1 DX Refrigerant Piping Connections Chapter 2 InstallationPage Chapter 2 Installation 2.8.1.2 Refrigerant Pipe Sizing2.8.2 Remote Air-Cooled Condensers PageChapter 2 Installation 2.9 Utility Connections 2.9.1 Main Power2.8.3 Condensate Drain Line PageChapter 2 Installation PageFigure 2-12. Sample nameplate 2.9.2.2 Remote Temperature/Humidity Sensor 2.9.1.1 Single-Phase Units 208/2302.9.1.2 Three-Phase Units 2.9.2 Optional EquipmentChapter 2 Installation 2.9.3.2 Glycol-Cooled Systems CRDX-G-FS-12KW, CRDX-G-FS-24KW2.9.3.3 Remote Condenser CRDX-A-FS-12KW, CRDX-A-FS-24KW Page2.10.2 Remote Air-Cooled Systems 2.10 System Charging Procedures2.10.1 Water-Water/Glycol Cooled Systems Chapter 2 Installation2.10.2.1 Estimating Refrigerant Charge Chapter 2 InstallationPage Chapter 2 Installation 2.10.2.2 Preparing System For ChargingEvacuate the System PageInitial System Charge 2.10.2.3 Refrigerant Charging ProceduresFine-Tuning the System Charge Chapter 2 Installation2.10.2.4 -30 F Ambient Applications Chapter 2 InstallationPage 2.10.3.2 Saturated Refrigerant Pressure Chapter 2 InstallationPage 2.11.3 Thermal Expansion Valve 2.11 Settings and Adjustments 2.11.1 Water-Water/Glycol Circuit2.11.2 Low-/High-Pressure Limit Switch 2.11.4 Hot Gas Bypass3.2 Step-by-Step Startup Instructions Chapter 3 Startup/Commissioning3. Startup/Commissioning 3.1 Initial Operation 3.3 Microprocessor Controller ProgrammingChapter 4 E2 Controller 4.1.1 Features 4.1.1.1 Field Configurable4.1.1.2 Password Protection 4. E2 Controller 4.1 GeneralChapter 4 E2 Controller 4.1.2 User Interface Display Panel4.1.2.1 Function Keys Page4.1.3 Controller I/O Module 4.1.2.2 Contrast Adjustment4.1.2.3 Alarms Controller I/O Module Layout4.1.4 BMS Interface Chapter 4 E2 ControllerPage Chapter 4 E2 Controller 4.2 Navigating Controller Display Screens 4.2.1 Menu Selection4.2.2 Menus PageChapter 4 E2 Controller 4.2.3 Display Variables4.2.4 Cursor Position in Screens Page4.2.5 Modifiable Variables 4.2.6 Password Authorization Levels4.2.6.1 Password-Protected Screen Chapter 4 E2 Controller4.3 System Operation 4.2.6.2 Wrong Password4.2.6.3 Setting the Passwords Chapter 4 E2 Controller4.3.1 Setpoint Adjustment Chapter 4 E2 ControllerPage Chapter 4 E2 Controller PageFigure 4-14. Flashing cursor 4.3.2.2 Customer Alarms 4.3.2 Alarms4.3.2.1 Summary Alarm 4.3.2.3 Custom AlarmsChapter 4 E2 Controller 4.4.1 Control Signals4.4.1.1 On/Off Digital Control Page4.4.2 Control Methods 4.4.2.1 Temperature/RH Control4.4.1.2 Proportional/Integral P/I Control 4.4.2.2 Dewpoint ControlChapter 4 E2 Controller 4.4.3 Operating Configurations4.4.3.1 Compressor Operation Page4.4.4 Airflow/Fan Speed Control 4.4.3.2 Water-W/G Operation4.4.3.3 Dehumidifying Chapter 4 E2 Controller4.4.4.2 Variance from Average Fan Speed Control 4.4.4.3 Temperature Proportionate Speed Control4.4.4.1 Independent Fan Speed Control 4.4.4.4 Manual Speed Control“Control” allows modification of basic control parameters such as setpoints and clock. Level 1 password is needed to enter this menu Chapter 4 E2 ControllerPage 4.5.2 Information Menu Loop 4.5.2.2 Return Temperature Sensor4.5.2.4 Temperature Sensors 4.5.2.1 Operating Conditions4.5.2.7 Setpoint Values 4.5.2.5 Remote Supply Temperature/Humidity Sensor4.5.2.6 Discharge Pressure 4.5.2.8 Compressor Status4.5.2.12 Group Information Menu Screens 4.5.2.10 EHGB Status4.5.2.11 Fan Status 4.5.2.13 Software Version/Date4.5.3.2 Non-Critical Alarms 4.5.3 Alarm Log4.5.3.1 Alarms 4.5.3.3 Critical AlarmsChapter 4 E2 Controller 4.5.3.4 Alarm Screen MessagesTable 4-3. Alarm screen messages Page4.5.4 Control Menu Loop Chapter 4 E2 ControllerPage 4.5.4.1 Setpoint Screens Chapter 4 E2 ControllerPage 4.5.4.2 Alarm Setpoint Screens Chapter 4 E2 ControllerPage Figure 4-33. Low humidity alarm Chapter 4 E2 ControllerPage 4.5.4.3 Clock Screen Dirty Filter Timer4.5.5 Service Menu Loop Chapter 4 E2 ControllerChapter 4 E2 Controller 4.5.5.1 HumidityFigure 4-40. Service menu loop selections Page4.5.5.2 Alarms Chapter 4 E2 ControllerPage 4.5.5.3 Sensors Chapter 4 E2 ControllerPage 4.5.5.4 Blower Temp Zone SetupBlower Setup Chapter 4 E2 ControllerChapter 4 E2 Controller 4.5.5.5 Options Menu LoopControl, Startup PageChapter 4 E2 Controller Unit TimersT/H Offset Scaling PageChapter 4 E2 Controller Custom SetupCustomer Alarm Input Optional PageCustom Alarm Setup Optional Chapter 4 E2 ControllerPage Chapter 4 E2 Controller Table 4-5. Alarms 9 toTable 4-6. Alarms 17 to PageChapter 4 E2 Controller Table 4-7. Alarms 25 to 32 Sensor failure alarmsTable 4-8. Alarms 33 to 40 Sensor failure alarms PageWorkgroup Screens Chapter 4 E2 ControllerPage Chapter 4 E2 Controller 4.5.5.6 Digital In4.5.5.7 Run Hours PageChapter 4 E2 Controller 4.5.5.9 Save Configuration4.5.5.8 BMS Communications Page4.5.5.10 Factory Menu Chapter 4 E2 ControllerPage Chapter 4 E2 Controller 4.6.1 Workgroup Setup4.6 Communication with the Controller Page4.6.1.1 Standby 4.6.1.4 Out of Service4.6.2 Configuring a Workgroup 4.6.1.2 Capacity Assist4.6.2.1 Configure the Terminal Address Chapter 4 E2 ControllerPage Chapter 4 E2 Controller 4.6.2.2 Configure the Controller I/O Board pLAN Address4.6.2.3 Assign the Terminal to the Controller PageChapter 4 E2 Controller 4.6.2.4 Fault Messages4.6.2.5 Displaying the Network Status and Firmware Version Page4.6.2.6 Configure Workgroups Chapter 4 E2 ControllerPage Chapter 4 E2 Controller Figure 4-76. FactoryGroupsGroups Config Screen 1. See TableTable 4-12. FactoryGroupsGroups Config Screen 1 parameters PageChapter 4 E2 Controller PageTable 4-13. FactoryGroupGroup Rotation Screen 2 parameters Chapter 4 E2 Controller PageTable 4-15. FactoryGroupCapacity Assist Screen 4 parameters Chapter 4 E2 Controller Table 4-17. Group alarms 1 toTable 4-18. Group alarms 9 to PageChapter 4 E2 Controller Table 4-19. Group alarms 17 toTable 4-20. Group alarms 25 to PageTable 4-21. Group alarms 33 to Chapter 4 E2 ControllerPage Chapter 4 E2 Controller 4.6.2.7 ServiceOptionsGroup Menu ScreensGroup Setup PageGroup Sensors Capacity AssistCapacity Assist #2 Chapter 4 E2 ControllerChapter 4 E2 Controller Group Averaging4.6.2.8 Group Information Menu Screens PageLead Controller Group Sensors Group AlarmsGroup Sensor Values Group Sensor Status4.7 BMS Communications Chapter 4 E2 ControllerPage Chapter 4 E2 Controller 4.7.1 Direct BMS Control4.7.2 BMS Communication PageChapter 4 E2 Controller 4.8 Troubleshooting the Control I/O Module Signal LEDsTable 4-26. I/O control module signal LEDs PagePage 4.9 BMS Parameters, VersionChapter 4 E2 Controller Table 4-27. BMS parametersChapter 4 E2 Controller PageChapter 4 E2 Controller PageType of unit valid numbers 0 to 6 See Page Variable/Value DescriptionsChapter 4 E2 Controller Table 4-30. Variable/Value DescriptionsChapter 4 E2 Controller 4.9.4 Alarm Packed Bit VariablesTable 4-32. Alarm-Packed Bit Variables PagePage 4.9.5 Sensor Failure Packed Bit VariablesChapter 4 E2 Controller Table 4-33. Sensor Failure Packed Bit VariablesPage 4.9.6 Digital Input Packed Bit VariablesChapter 4 E2 Controller Table 4-34. Digital Input Packed Bit VariablesPage 4.9.7 Digital Output Packed Bit VariablesChapter 4 E2 Controller Table 4-35. Digital Output Packed Bit VariablesChapter 4 E2 Controller Page4.9.8 Unsigned Values for HTTP, SNMP/Modbus Holding Registers/Analog Values for BACnet 5.1.1.1 Cleanable Filters Chapter 5 Maintenance5. Maintenance 5.1 Periodic General Maintenance 5.1.1 FiltersChapter 5 Maintenance F Fgure 5-1. Cleanable filtersPage 5.1.3 Coil 5.1.1.2 Cartridge Filters5.1.2 EC Fans 5.1.4 Drain PansChapter 5 Maintenance 5.2 Troubleshooting5.1.6 A/C System PageChapter 5 Maintenance Symptom Control is erraticPage Chapter 5 Maintenance PageLeak Detection/Repair 5.3 Field Service5.3.1 Water-Water/Glycol System 5.3.2 DX SystemChapter 5 Maintenance 5.3.2.3 Refrigerant Piping5.3.3 Refrigeration System Repairs 5.3.3.1 Compressor Failure Page5.3.4 Component Replacement 5.3.3.2 Standard Cleanout Procedure5.3.3.3 Burn-Out/Acidic Cleanup Procedure 5.3.4.1 Fan Replacement5.3.4.2 Condensate Pump Replacement Chapter 5 MaintenancePage 6.2 Obtaining Warranty Parts Chapter 6 Troubleshooting6. Troubleshooting 6.3 Obtaining Spare/Replacement PartsChapter 6 Troubleshooting PageQuotes are given for specified listed parts for a specific unit Appendix A. Forms A.1 Checklist for Completed Installation of Cold Row DXAppendix A Forms PageAppendix A Forms PageDate Appendix B Glossary Definition of Terms and Acronyms Appendix B. Glossary Definition of Terms and AcronymsPage Appendix B Glossary Definition of Terms and Acronyms PageVDC Volt, direct current WG Water Glycol Page Page Page Black Box Tech Support FREE! Live. 24/7 Tech support the way it should beAbout Black Box