BenutzerhandbuchInhaltsverzeichnis1. Introduction101.1 General101.2 Product Description101.3 Product Warranty131.4 Safety141.4.1 General141.4.2 Safety Summary141.5 General Design161.5.1 Electrical Compartment171.5.2 Circuit Breakers/Motor Start Protectors171.5.3 Compressor171.5.3.1 Electronic Thermal Expansion Valve171.5.3.2 Electronic Hot Gas Bypass171.5.4 Coils171.5.5 Condensate Pump171.5.6 EC Fans171.5.7 Temperature/Humidity Sensors181.6 Optional Equipment181.6.1 Remote Mounted Supply Temperature/Humidity Sensor181.6.2 Water Detector181.6.3 Smoke Detector181.6.4 Firestat182. Installation192.1 Receiving the Equipment192.2 Moving the Equipment192.3 Site Preparation192.4 Mounting/Placement202.5 Air Distribution212.6 Optional Equipment (Field Installed)232.6.1 Remote Water Detectors232.6.2 Remote Temperature/Humidity Sensor242.6.3 Outdoor Condensers252.7 Water-Water/Glycol Cooled DX252.8 Split Air Cooled Systems292.8.1 Refrigerant Piping292.8.1.1 DX Refrigerant Piping Connections302.8.1.2 Refrigerant Pipe Sizing312.8.2 Remote Air-Cooled Condensers312.8.3 Condensate Drain Line322.9 Utility Connections322.9.1 Main Power322.9.1.1 Single-Phase Units 208/230 V342.9.1.2 Three-Phase Units342.9.2 Optional Equipment342.9.2.1 Remote Water Detector342.9.2.2 Remote Temperature/Humidity Sensor342.9.2.3 Remote On/Off342.9.3 Outdoor Equipment342.9.3.1 Water-Cooled Systems (CRDX-W-FS-12KW, CRDX-W-FS-24KW)342.9.3.2 Glycol-Cooled Systems (CRDX-G-FS-12KW, CRDX-G-FS-24KW)352.9.3.3 Remote Condenser (CRDX-A-FS-12KW, CRDX-A-FS-24KW)352.10 System Charging Procedures362.10.1 Water-Water/Glycol Cooled Systems362.10.2 Remote-Air Cooled Systems362.10.2.1 Estimating Refrigerant Charge372.10.2.2 Preparing System for Charging382.10.2.3 Refrigerant Charging Procedures392.10.2.4 -30° F Ambient Applications402.10.3 Refrigerant Characteristics412.10.3.1 Pressure/Temperature Settings412.10.3.2 Saturated Refrigerant Pressure412.11 Settings and Adjustments422.11.1 Water–Water/Glycol Circuit422.11.2 Low-/High-Pressure Limit Switch422.11.3 Thermal Expansion Valve422.11.4 Hot Gas Bypass422.11.5 EC Fans423. Startup/Commissioning433.1 Initial Operation433.2 Step-by-Step Startup Instructions433.3 Microprocessor Controller Programming434. E2 Controller444.1 General444.1.1 Features444.1.1.1 Field Configurable444.1.1.2 Password Protection444.1.1.3 Restorable Setpoint Parameters444.1.1.4 A/C Grouping pLAN Operation444.1.2 User Interface Display Panel454.1.2.1 Function Keys454.1.2.2 Contrast Adjustment464.1.2.3 Alarms464.1.3 Controller I/O Module464.1.4 BMS Interface474.2 Navigating Controller Display Screens484.2.1 Menu Selection484.2.2 Menus484.2.3 Display Variables494.2.4 Cursor Position in Screens494.2.5 Modifiable Variables504.2.6 Password Authorization Levels504.2.6.1 Password-Protected Screen504.2.6.2 Wrong Password514.2.6.3 Setting the Passwords514.3 System Operation514.3.1 Setpoint Adjustment524.3.1.1 Saving and Restoring Setpoint Parameters544.3.2 Alarms544.3.2.1 Summary Alarm544.3.2.2 Customer Alarms544.3.2.3 Custom Alarms544.4 Controller Operation544.4.1 Control Signals554.4.4.1 On/Off Digital Control554.4.4.2 Proportional/Integral (P/I) Control564.4.2 Control Methods564.4.2.1 Temperature/RH Control564.4.2.2 Dewpoint Control564.4.3 Operating Configurations574.4.3.1 Compressor Operation574.4.3.2 Water–W/G Operation584.4.3.3 Dehumidifying584.4.4 Airlfow/Fan Speed Control584.4.4.1 Independent Fan Speed Control594.4.4.2 Variance from Average Fan Speed Control594.4.4.3 Temperature Proportionate Speed Control594.4.4.4 Manual Speed Control594.4.5 Remote On/Off594.5 Menu Screens594.5.1 Main Menu594.5.2 Information Menu Loop614.5.2.1 Operating Conditions614.5.2.2 Return Temperature Sensor614.5.2.3 Return Humidity Sensor614.5.2.4 Temperature Sensors614.5.2.5 Remote Supply Temperature/Humidity Sensor624.5.2.6 Discharge Pressure624.5.2.7 Setpoint Values624.5.2.8 Compressor Status624.5.2.9 EEV Status624.5.2.10 EHGB Status634.5.2.11 Fan Status634.5.2.12 Group Information Menu Screens634.5.2.13 Software Version/Date634.5.3 Alarm Log644.5.3.1 Alarms644.5.3.2 Non-Critical Alarms644.5.3.3 Critical Alarms644.5.3.4 Alarm Screen Messages654.5.4 Control Menu Loop664.5.4.1 Setpoint Screens674.5.4.2 Alarm Setpoint Screens684.5.4.3 Clock Screen704.5.5 Service Menu Loop704.5.5.1 Humidity714.5.5.2 Alarms724.5.5.3 Sensors734.5.5.4 Blower744.5.5.5 Options Menu Loop754.5.5.6 Digital In824.5.5.7 Run Hours824.5.5.8 BMS Communication834.5.5.9 Save Configruation834.5.5.10 Factory Menu844.6 Communication with the Controller854.6.1 Workgroup Setup854.6.1.1 Standby864.6.1.2 Capacity Assist864.6.1.3 Unit Rotation864.6.1.4 Out of Service864.6.2 Configuring a Workgroup864.6.2.1 Configure the Terminal Address874.6.2.2 Configure the Controller (I/O Board) pLAN Address884.6.2.3 Assign the Terminal to the Controller884.6.2.4 Fault Messages894.6.2.5 Displaying the Network Status and Firmware Version894.6.2.6 Configure Workgroups904.6.2.7 Service>Options>Group Menu Screens974.6.2.8 Group Information Menu Screens994.7 BMS Communications1014.7.1 Direct BMS Control1024.7.2 BMS Communication1024.8 Troubleshooting the Control I/O Module1034.9 BMS Parameters, Version 1.21044.9.1 Signed Values for HTTP, SNMP/Modbus Holdling Registers/Analog Values for BACnet1054.9.2 Unsigned Values for HTTP, SNMP/Modbus Holdling Registers/Analog Values for BACnet1064.9.3 Boolean Values for HTTP, SNMP/Modbus Coils/Binary Values for BACnet1074.9.4 Alarm Packed Bit Variables1084.9.5 Sensor Failure Packed Bit Variables1094.9.6 Digital Input Packed Bit Variables1104.9.7 Digital Output Packed Bit Variables1114.9.8 Unsigned Values for HTTP, SNMP/Modbus Holding Registers/Analog Values for BACnet1124.9.9 Boolean Values for HTTP, SNMP/Modbus Coils/Binary Values for BACnet1125. Maintenance1135.1 Periodic General Maintenance1135.1.1 Filters1135.1.1.1 Cleanable Filters1135.1.1.2 Cartridge Filters1155.1.2 EC Fans1155.1.3 Coil1155.1.4 Drain Pans1155.1.5 Condensate Pump1155.1.6 A/C System1165.2 Troubleshooting1165.3 Field Service1195.3.1 Water–Water/Glycol System1195.3.2 DX System1195.3.2.1 Leak Detection1195.3.2.2 Leak Repair1195.3.2.3 Refrigerant Piping120Refrigeration System Repairs1205.3.3.1 Compressor Failure1205.3.3.2 Standard Cleanout Procedure1215.3.3.3 Burn-Out/Acidic Cleanup Procedure121Component Replacement1215.3.4.1 Fan Replacement1215.3.4.2 Condensate Pump Replacement122Troubleshooting1236.1 Contacting Technical Support1236.2 Obtaining Warranty Parts1236.3 Obtaining Spare/Replacement Parts123Appendix A. Forms125A.1 Checklist for Completed Installation125A.2 Periodic General Maintenance Checks and Service Checklist126Appendix B. Glossary: Definition of Terms and Acronyms127Größe: 26,5 MBSeiten: 132Language: EnglishHandbuch öffnen