Manuali utente per Black Box CRDX-A-FS-12KW

Sommario

• 1. Introduction

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• 1.1 General

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• 1.2 Product Description

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• 1.3 Product Warranty

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• 1.4 Safety

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• 1.4.1 General

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• 1.4.2 Safety Summary

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• 1.5 General Design

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• 1.5.1 Electrical Compartment

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• 1.5.2 Circuit Breakers/Motor Start Protectors

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• 1.5.3 Compressor

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• 1.5.3.1 Electronic Thermal Expansion Valve

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• 1.5.3.2 Electronic Hot Gas Bypass

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• 1.5.4 Coils

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• 1.5.5 Condensate Pump

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• 1.5.6 EC Fans

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• 1.5.7 Temperature/Humidity Sensors

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• 1.6 Optional Equipment

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• 1.6.1 Remote Mounted Supply Temperature/Humidity Sensor

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• 1.6.2 Water Detector

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• 1.6.3 Smoke Detector

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• 1.6.4 Firestat

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• 2. Installation

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• 2.1 Receiving the Equipment

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• 2.2 Moving the Equipment

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• 2.3 Site Preparation

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• 2.4 Mounting/Placement

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• 2.5 Air Distribution

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• 2.6 Optional Equipment (Field Installed)

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• 2.6.1 Remote Water Detectors

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• 2.6.2 Remote Temperature/Humidity Sensor

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• 2.6.3 Outdoor Condensers

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• 2.7 Water-Water/Glycol Cooled DX

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• 2.8 Split Air Cooled Systems

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• 2.8.1 Refrigerant Piping

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• 2.8.1.1 DX Refrigerant Piping Connections

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• 2.8.1.2 Refrigerant Pipe Sizing

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• 2.8.2 Remote Air-Cooled Condensers

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• 2.8.3 Condensate Drain Line

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• 2.9 Utility Connections

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• 2.9.1 Main Power

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• 2.9.1.1 Single-Phase Units 208/230 V

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• 2.9.1.2 Three-Phase Units

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• 2.9.2 Optional Equipment

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• 2.9.2.1 Remote Water Detector

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• 2.9.2.2 Remote Temperature/Humidity Sensor

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• 2.9.2.3 Remote On/Off

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• 2.9.3 Outdoor Equipment

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• 2.9.3.1 Water-Cooled Systems (CRDX-W-FS-12KW, CRDX-W-FS-24KW)

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• 2.9.3.2 Glycol-Cooled Systems (CRDX-G-FS-12KW, CRDX-G-FS-24KW)

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• 2.9.3.3 Remote Condenser (CRDX-A-FS-12KW, CRDX-A-FS-24KW)

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• 2.10 System Charging Procedures

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• 2.10.1 Water-Water/Glycol Cooled Systems

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• 2.10.2 Remote-Air Cooled Systems

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• 2.10.2.1 Estimating Refrigerant Charge

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• 2.10.2.2 Preparing System for Charging

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• 2.10.2.3 Refrigerant Charging Procedures

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• 2.10.2.4 -30° F Ambient Applications

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• 2.10.3 Refrigerant Characteristics

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• 2.10.3.1 Pressure/Temperature Settings

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• 2.10.3.2 Saturated Refrigerant Pressure

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• 2.11 Settings and Adjustments

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• 2.11.1 Water–Water/Glycol Circuit

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• 2.11.2 Low-/High-Pressure Limit Switch

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• 2.11.3 Thermal Expansion Valve

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• 2.11.4 Hot Gas Bypass

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• 2.11.5 EC Fans

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• 3. Startup/Commissioning

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• 3.1 Initial Operation

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• 3.2 Step-by-Step Startup Instructions

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• 3.3 Microprocessor Controller Programming

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• 4. E2 Controller

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• 4.1 General

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• 4.1.1 Features

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• 4.1.1.1 Field Configurable

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• 4.1.1.2 Password Protection

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• 4.1.1.3 Restorable Setpoint Parameters

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• 4.1.1.4 A/C Grouping pLAN Operation

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• 4.1.2 User Interface Display Panel

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• 4.1.2.1 Function Keys

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• 4.1.2.2 Contrast Adjustment

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• 4.1.2.3 Alarms

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• 4.1.3 Controller I/O Module

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• 4.1.4 BMS Interface

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• 4.2 Navigating Controller Display Screens

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• 4.2.1 Menu Selection

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• 4.2.2 Menus

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• 4.2.3 Display Variables

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• 4.2.4 Cursor Position in Screens

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• 4.2.5 Modifiable Variables

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• 4.2.6 Password Authorization Levels

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• 4.2.6.1 Password-Protected Screen

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• 4.2.6.2 Wrong Password

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• 4.2.6.3 Setting the Passwords

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• 4.3 System Operation

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• 4.3.1 Setpoint Adjustment

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• 4.3.1.1 Saving and Restoring Setpoint Parameters

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• 4.3.2 Alarms

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• 4.3.2.1 Summary Alarm

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• 4.3.2.2 Customer Alarms

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• 4.3.2.3 Custom Alarms

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• 4.4 Controller Operation

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• 4.4.1 Control Signals

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• 4.4.4.1 On/Off Digital Control

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• 4.4.4.2 Proportional/Integral (P/I) Control

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• 4.4.2 Control Methods

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• 4.4.2.1 Temperature/RH Control

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• 4.4.2.2 Dewpoint Control

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• 4.4.3 Operating Configurations

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• 4.4.3.1 Compressor Operation

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• 4.4.3.2 Water–W/G Operation

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• 4.4.3.3 Dehumidifying

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• 4.4.4 Airlfow/Fan Speed Control

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• 4.4.4.1 Independent Fan Speed Control

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• 4.4.4.2 Variance from Average Fan Speed Control

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• 4.4.4.3 Temperature Proportionate Speed Control

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• 4.4.4.4 Manual Speed Control

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• 4.4.5 Remote On/Off

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• 4.5 Menu Screens

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• 4.5.1 Main Menu

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• 4.5.2 Information Menu Loop

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• 4.5.2.1 Operating Conditions

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• 4.5.2.2 Return Temperature Sensor

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• 4.5.2.3 Return Humidity Sensor

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• 4.5.2.4 Temperature Sensors

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• 4.5.2.5 Remote Supply Temperature/Humidity Sensor

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• 4.5.2.6 Discharge Pressure

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• 4.5.2.7 Setpoint Values

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• 4.5.2.8 Compressor Status

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• 4.5.2.9 EEV Status

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• 4.5.2.10 EHGB Status

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• 4.5.2.11 Fan Status

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• 4.5.2.12 Group Information Menu Screens

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• 4.5.2.13 Software Version/Date

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• 4.5.3 Alarm Log

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• 4.5.3.1 Alarms

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• 4.5.3.2 Non-Critical Alarms

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• 4.5.3.3 Critical Alarms

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• 4.5.3.4 Alarm Screen Messages

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• 4.5.4 Control Menu Loop

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• 4.5.4.1 Setpoint Screens

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• 4.5.4.2 Alarm Setpoint Screens

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• 4.5.4.3 Clock Screen

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• 4.5.5 Service Menu Loop

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• 4.5.5.1 Humidity

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• 4.5.5.2 Alarms

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• 4.5.5.3 Sensors

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• 4.5.5.4 Blower

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• 4.5.5.5 Options Menu Loop

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• 4.5.5.6 Digital In

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• 4.5.5.7 Run Hours

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• 4.5.5.8 BMS Communication

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• 4.5.5.9 Save Configruation

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• 4.5.5.10 Factory Menu

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• 4.6 Communication with the Controller

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• 4.6.1 Workgroup Setup

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• 4.6.1.1 Standby

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• 4.6.1.2 Capacity Assist

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• 4.6.1.3 Unit Rotation

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• 4.6.1.4 Out of Service

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• 4.6.2 Configuring a Workgroup

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• 4.6.2.1 Configure the Terminal Address

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• 4.6.2.2 Configure the Controller (I/O Board) pLAN Address

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• 4.6.2.3 Assign the Terminal to the Controller

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• 4.6.2.4 Fault Messages

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• 4.6.2.5 Displaying the Network Status and Firmware Version

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• 4.6.2.6 Configure Workgroups

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• 4.6.2.7 Service>Options>Group Menu Screens

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• 4.6.2.8 Group Information Menu Screens

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• 4.7 BMS Communications

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• 4.7.1 Direct BMS Control

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• 4.7.2 BMS Communication

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• 4.8 Troubleshooting the Control I/O Module

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• 4.9 BMS Parameters, Version 1.2

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• 4.9.1 Signed Values for HTTP, SNMP/Modbus Holdling Registers/Analog Values for BACnet

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• 4.9.2 Unsigned Values for HTTP, SNMP/Modbus Holdling Registers/Analog Values for BACnet

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• 4.9.3 Boolean Values for HTTP, SNMP/Modbus Coils/Binary Values for BACnet

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• 4.9.4 Alarm Packed Bit Variables

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• 4.9.5 Sensor Failure Packed Bit Variables

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• 4.9.6 Digital Input Packed Bit Variables

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• 4.9.7 Digital Output Packed Bit Variables

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• 4.9.8 Unsigned Values for HTTP, SNMP/Modbus Holding Registers/Analog Values for BACnet

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• 4.9.9 Boolean Values for HTTP, SNMP/Modbus Coils/Binary Values for BACnet

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• 5. Maintenance

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• 5.1 Periodic General Maintenance

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• 5.1.1 Filters

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• 5.1.1.1 Cleanable Filters

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• 5.1.1.2 Cartridge Filters

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• 5.1.2 EC Fans

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• 5.1.3 Coil

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• 5.1.4 Drain Pans

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• 5.1.5 Condensate Pump

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• 5.1.6 A/C System

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• 5.2 Troubleshooting

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• 5.3 Field Service

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• 5.3.1 Water–Water/Glycol System

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• 5.3.2 DX System

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• 5.3.2.1 Leak Detection

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• 5.3.2.2 Leak Repair

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• 5.3.2.3 Refrigerant Piping

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• Refrigeration System Repairs

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• 5.3.3.1 Compressor Failure

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• 5.3.3.2 Standard Cleanout Procedure

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• 5.3.3.3 Burn-Out/Acidic Cleanup Procedure

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• Component Replacement

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• 5.3.4.1 Fan Replacement

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• 5.3.4.2 Condensate Pump Replacement

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• Troubleshooting

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• 6.1 Contacting Technical Support

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• 6.2 Obtaining Warranty Parts

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• 6.3 Obtaining Spare/Replacement Parts

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• Appendix A. Forms

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• A.1 Checklist for Completed Installation

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• A.2 Periodic General Maintenance Checks and Service Checklist

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• Appendix B. Glossary: Definition of Terms and Acronyms

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