APC Central Air Conditioning System - Manuals

Page 3 - Contents

Contents NetworkAIR IR Operation, Maintenance, and Troubleshooting i Operation ................................................................1 Display Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Using the Display . . . . . . . . . . . . . . . . . . . . . . ....

Page 7 - Operation; Display Interface; Item

NetworkAIR IR Operation, Maintenance, and Troubleshooting 1 Operation Display Interface Item Function ! Major Alarm LED When red, a major alarm condition exists. " Minor Alarm LED When yellow, a minor alarm condition exists. # Check Log LED When yellow, at least one new major alarm, minor alarm,...

Page 8 - Using the Display; Scrolling status screens; key from the main menu screen.

2 NetworkAIR IR Operation, Maintenance, and Troubleshooting Using the Display The first time you apply power to the NetworkAIR IR In-row Precision Air Conditioner the display initializes and runs an LED and alarm-tone test. Scrolling status screens After start-up, the interface displays the firmware...

Page 9 - Main menu screen; Navigating the interface; out

Operation: Using the Display NetworkAIR IR Operation, Maintenance, and Troubleshooting 3 Main menu screen On any top-level status screen, press the E NTER or E SC key to open the main menu screen. Navigating the interface Selector arrows. Press the up or down arrow key to move the selector arrow ! t...

Page 10 - Password entry

Operation: Using the Display 4 NetworkAIR IR Operation, Maintenance, and Troubleshooting Password entry The Module has two levels of password protection: • User password for users who need to change basic and environmental settings • Service password for users who need to modify settings that contro...

Page 11 - Stop the System; To stop the System, select the; Change the setting to; Off; to shut down all modes of operation and the blower fan the

Operation: Using the Display NetworkAIR IR Operation, Maintenance, and Troubleshooting 5 Stop the System Path: Main Menu > On/Off To stop the System, select the On/Off option on the main menu and change the setting to Off . Note Change the setting to Off to shut down all modes of operation and th...

Page 12 - Set Up System Configuration; The; System Options; the methods used to control that hardware.; RH; environmental sensors.

6 NetworkAIR IR Operation, Maintenance, and Troubleshooting Set Up System Configuration The System configuration options are set at the factory and may be modified during the commissioning of the Modules in the System. System Options Path: Main > Setup > System # > System Config > System...

Page 13 - Dehum Capacity; Installation Manual

Operation: Set Up System Configuration NetworkAIR IR Operation, Maintenance, and Troubleshooting 7 # PCIOMs. Set the number of Programmable Customer Input/Output Modules (PCIOMs) installed in the user interface box. This setting controls the number of input contacts and output relays available in th...

Page 14 - System Delays; Communication Loss Shutdown Delay.

Operation: Set Up System Configuration 8 NetworkAIR IR Operation, Maintenance, and Troubleshooting System Delays Path: Main > Setup > System # > System Config > System Delays The System delays protect the Modules in the System from excessive wear and damage, and keep the modes from worki...

Page 15 - Building management; Max

Operation: Set Up System Configuration NetworkAIR IR Operation, Maintenance, and Troubleshooting 9 Building management Path: Main > Setup > System # > System Config > Building Management If you are using a building management system with your NetworkAIR IR In-row Precision Air Conditione...

Page 16 - Options for Fluid-Cooled Modules; Applicable Settings

10 NetworkAIR IR Operation, Maintenance, and Troubleshooting Options for Fluid-Cooled Modules Water-cooled Modules have settings for the valves and piping needed to accommodate the heat of rejection method. The NetworkAIR IR In-row Precision Air Conditioner provides cooling by using a fluid coil wit...

Page 17 - Valve Types

Operation: Options for Fluid-Cooled Modules NetworkAIR IR Operation, Maintenance, and Troubleshooting 11 Valve Types Path: Main > Setup > System # > System Config > Valve Types Set the type of valves installed in your piping system. Each valve can be either two-way or three-way. Economiz...

Page 18 - Coil Fluid Temp Activation Threshold and Deadband; Coil Fluid Options

Operation: Options for Fluid-Cooled Modules 12 NetworkAIR IR Operation, Maintenance, and Troubleshooting Coil Fluid Temp Activation Threshold and Deadband Path: Main > Setup > System # > System Config > Coil Fluid Options The selections for Coil Fluid Options help control the optional Mu...

Page 19 - Set Up Contacts and Relays; Input contacts; Provide a unique name for each input contact.; Alarm Map; See the

NetworkAIR IR Operation, Maintenance, and Troubleshooting 13 Set Up Contacts and Relays The System can monitor external contact closure events. Possible applications include: • Magnetic contact switches• Window foil• Tamper switches • Heat detectors• Water sensors• Pressure sensors• Building smoke a...

Page 20 - Output relays; Choose the relay number to view or modify.; Map

Operation: Set Up Contacts and Relays 14 NetworkAIR IR Operation, Maintenance, and Troubleshooting Action. Set the System controller to respond to the change of status for an input in one of the following ways: Output relays Path: Main > Setup > System # > Input/Output > Output Relays Th...

Page 21 - Action

Operation: Set Up Contacts and Relays NetworkAIR IR Operation, Maintenance, and Troubleshooting 15 Action. The Action field changes as you scroll through the list of events that can be mapped to this relay. Remove indicates that the event is already associated with this relay. Add indicates that the...

Page 22 - Set Up Module Configuration; Configure Module; Detectors

16 NetworkAIR IR Operation, Maintenance, and Troubleshooting Set Up Module Configuration The Module configuration settings help the controller determine which components are available and how the Module should operate. Configure Module Paths: Main > Setup > Module > Main Module > Module ...

Page 23 - Set Up Module Control; Calibrate airflow manually; Coil DP

NetworkAIR IR Operation, Maintenance, and Troubleshooting 17 Set Up Module Control The Module Control options are configured and tuned during the commissioning of each Module. Calibrate airflow manually Nom Coil DP: Set the nominal coil differential pressure. Blower Spd. Adjust the frequency of the ...

Page 24 - Reset variable frequency drive; Humidifier

Operation: Set Up Module Control 18 NetworkAIR IR Operation, Maintenance, and Troubleshooting Reset variable frequency drive Paths: Main > Setup > Module > Main Module > Module Control > Reset VFD # Main > Setup > Module > Expansion Module > Module Control > Reset VFD #...

Page 25 - Reset compressors; Compressors; Reset Compressors; during a; Suction Pressure Low; alarm. Use this function to restart the compressors manually when

Operation: Set Up Module Control NetworkAIR IR Operation, Maintenance, and Troubleshooting 19 Reset compressors Paths: Main > Setup > Module > Main Module > Module Control > Reset Compressors Main > Setup > Module > Expansion Module > Module Control > Reset Compressors ...

Page 26 - Control the Environment; How the modes work; Setup; The output of the hot gas, steam, and hot water

20 NetworkAIR IR Operation, Maintenance, and Troubleshooting Control the Environment The System controls the room environment by engaging one of four modes: Cool, Dehumidify, Reheat, or Humidify. These modes may work differently depending on the options and equipment installed in your Modules. How t...

Page 27 - Setpoints; Cool

Operation: Control the Environment NetworkAIR IR Operation, Maintenance, and Troubleshooting 21 Dehumidify. Dehumidify mode is controlled by the dehumidify PID controller. The PID controller adjusts the output as required to maintain the temperature at the setpoint. Humidify. The steam cylinder humi...

Page 28 - Deadbands; Enable and disable the modes of operation. The four modes are:; Essential Functions

Operation: Control the Environment 22 NetworkAIR IR Operation, Maintenance, and Troubleshooting Deadbands Path: Main > Control Environment > Deadbands The deadband is the sensitivity range for a setpoint. It is the value above or below the setpoint at which the mode outputs at full capacity. A...

Page 29 - PID controls; Choose which mode or actuator PID loop to tune, using the

Operation: Control the Environment NetworkAIR IR Operation, Maintenance, and Troubleshooting 23 PID controls Path: Main > Setup > System # > System Config > PID Controls The Proportional plus Integral plus Derivative (PID) loop is used to control the output of the cool, reheat, and dehum...

Page 30 - How to tune the PIDs; temperature does not respond to this change, adjust the setpoint.

Operation: Control the Environment 24 NetworkAIR IR Operation, Maintenance, and Troubleshooting How to tune the PIDs A qualified service technician must tune the PID loops to optimize the performance of each mode. The units shown are for temperature. In the dehumidify loop, the units are in percent ...

Page 31 - Humidification sensitivity

Operation: Control the Environment NetworkAIR IR Operation, Maintenance, and Troubleshooting 25 Humidification sensitivity Path: Main > Setup > System # > System Config > Humid. Sensitivity Humid. Sensitivity. The humidifier sensitivity band is the percentage of relative humidity below t...

Page 32 - Set Up Alarms; Temperature alarms; Temperature Thrshlds.; Humidity alarms; Humidity Thresholds.; Sply; Temperature thresholds for the air blown into the room (supply).; Env

26 NetworkAIR IR Operation, Maintenance, and Troubleshooting Set Up Alarms Set alarms to alert you to abnormal temperatures or humidity levels and the number of hours certain components have been in operation. Alarms will also alert you to malfunctions; however, malfunction alarms are not user-defin...

Page 33 - Maint intervals; key to; Alarm delay

Operation: Set Up Alarms NetworkAIR IR Operation, Maintenance, and Troubleshooting 27 Maint intervals Path: Main > Setup > System # > Alarms > Maint Intervals The System records the number of hours each of the eight components in each Module has operated. Set the maintenance interval for...

Page 34 - Set Up Group; Group config; Group Config; Group Fire Alarm

28 NetworkAIR IR Operation, Maintenance, and Troubleshooting Set Up Group Up to four NetworkAIR Systems can be connected to form a redundant Group. Joining Systems together to form a Group provides the following: • Redundancy• A way for other Systems in the Group to assist with the room load• Demand...

Page 35 - Group settings; Load Share Thrshlds.; Sys failure events; Mode

Operation: Set Up Group NetworkAIR IR Operation, Maintenance, and Troubleshooting 29 Grp Smoke Alrm. Share smoke alarms among the Systems in this Group. If the Group Smoke Alarm setting is On , all Systems in the Group will shut down if a smoke alarm occurs in one System. Comm Loss Failover. Decide ...

Page 36 - System Failure Events

Operation: Set Up Group 30 NetworkAIR IR Operation, Maintenance, and Troubleshooting Configure the list of System Failure Events . If a System failure event occurs, the System in which it occurs transitions to the failed state, and a backup System is engaged if available. Event. Scroll through the l...

Page 37 - Set Up the Display; Invalidate Password.; Date and time; Temperature & pressure units

NetworkAIR IR Operation, Maintenance, and Troubleshooting 31 Set Up the Display Set display settings, including the time and date, temperature units, passwords, and time-out settings. You can also reset settings to their default values and download new firmware. Password & Time-out Path: Main &g...

Page 38 - Adjust display; Set the LCD contrast.; How to update the firmware; To update the controller firmware:; YES; from the; Update Firmware; menu. Use the path you

Operation: Set Up the Display 32 NetworkAIR IR Operation, Maintenance, and Troubleshooting Pressure units. Set the units of measure for pressure readings and settings to either English (psig) or metric (kPa). Adjust display Path: Main > Setup > System # > Display > Display Adjust Set the...

Page 39 - series of “C” characters) and send the file using the XMODEM protocol.; Reset to defaults; their factory default settings.; Product data; information available at the display interface.; Product Data

Operation: Set Up the Display NetworkAIR IR Operation, Maintenance, and Troubleshooting 33 5. In your terminal emulator, ensure that the connection is active (HyperTerminal will display a series of “C” characters) and send the file using the XMODEM protocol. 6. When the download is complete, the scr...

Page 40 - Set Up Network Configuration; Network config; You must select; Accept Changes; to save any modifications to the IP Address,

34 NetworkAIR IR Operation, Maintenance, and Troubleshooting Set Up Network Configuration Configure the network settings for Network Management Card from the display interface. The management card allows for remote control and configuration of the NetworkAIR IR In-row Precision Air Conditioner. Netw...

Page 41 - View Status Readings; Main Module; Clear Total

NetworkAIR IR Operation, Maintenance, and Troubleshooting 35 View Status Readings The display interface has several options for viewing the status of the System, its Modules, and the environment being controlled. The status readings for Modules are available under the Main Module and Expansion Modul...

Page 42 - System status; Return Sensors; The On/Off status for reheat is displayed only for; Humidify Demand; View the actual and demanded output for the humidify mode.

Operation: View Status Readings 36 NetworkAIR IR Operation, Maintenance, and Troubleshooting About Module. View identifying information that is helpful when obtaining service: • Manufacturer Name• Model Number• Date of Manufacture• Serial Number• Firmware Revision• Hardware Revision Humidifier Statu...

Page 43 - Group status; Reset Local System Run Hours.; View Event Log; New Events

Operation: View Status Readings NetworkAIR IR Operation, Maintenance, and Troubleshooting 37 Group status Path: Main > Status > Group The Group Status screen includes information about the member Systems of the Group and their roles. Group Status. View the assigned role and current state of ea...

Page 44 - Major or minor alarm LEDs; Respond to Alarms; To disable the beeper for all future alarms, set the; Beeper; setting to; Disabled; View active alarms

38 NetworkAIR IR Operation, Maintenance, and Troubleshooting Respond to Alarms When an alarm is triggered, the Main Module alerts you through the display by the following methods: • Alarm beeper• Major or Minor Alarm LED• Active alarm screen• Alarm/Event log Major or minor alarm LEDs When an alarm i...

Page 45 - Clear active alarms; Clear System Alarms; — Clear active alarms that apply to the Modules in this System.; Clear Group Alarms; — Clear active alarms that apply to the Group.; Reset sys failure

Operation: Respond to Alarms NetworkAIR IR Operation, Maintenance, and Troubleshooting 39 Clear active alarms Path: Main > Respond to Alarms > Clear Active Alarms Clears all active alarms. If the conditions that caused the alarm still exist, those conditions cause the alarm to be regenerated. ...

Page 46 - Alarm messages and suggested actions; Displayed Alarm Message

Operation: Respond to Alarms 40 NetworkAIR IR Operation, Maintenance, and Troubleshooting Alarm messages and suggested actions Displayed Alarm Message Action Required Air Block Interlock Open • Verify that the air block is in place.• Confirm that the wiring connections for the air block interlock ar...

Page 53 - Network Management Card; Quick Configuration; Overview; User’s Guide

NetworkAIR IR Operation, Maintenance, and Troubleshooting 47 Network Management Card Quick Configuration The NetworkAIR IR In-row Precision Air Conditioner is shipped with a Network Management Card that provides for the management of the Air Conditioner over your network. You must set up the Network...

Page 54 - TCP/IP configuration methods

Network Management Card: Quick Configuration 48 NetworkAIR IR Operation, Maintenance, and Troubleshooting TCP/IP configuration methods Use one of the following methods to define the TCP/IP settings needed by the Network Management Card: • APC Device IP Configuration Wizard (See “APC Device IP Config...

Page 55 - Boot Mode

Network Management Card: Quick Configuration NetworkAIR IR Operation, Maintenance, and Troubleshooting 49 With Boot Mode set to DHCP & BOOTP (the default setting), the Network Management Card attempts to discover a properly configured server. It first searches for a BOOTP server, then a DHCP ser...

Page 56 - DHCP Cookie Is

Network Management Card: Quick Configuration 50 NetworkAIR IR Operation, Maintenance, and Troubleshooting DHCP. You can use a RFC2131/RFC2132-compliant DHCP server to configure the TCP/IP settings for the Network Management Card. 1. A Network Management Card sends out a DHCP request that uses the fo...

Page 57 - Local access to the control console; Use the configuration cable (APC part; to display the; User Name; for the user name and password.

Network Management Card: Quick Configuration NetworkAIR IR Operation, Maintenance, and Troubleshooting 51 Local access to the control console You can use a local computer that connects to the NetworkAIR IR System through the serial port on the control board to access the control console. Whenever po...

Page 58 - Remote access to the control console; apc; Control console; Network

Network Management Card: Quick Configuration 52 NetworkAIR IR Operation, Maintenance, and Troubleshooting Remote access to the control console From any computer on the same subnet as the Network Management Card, you can use ARP and Ping to assign an IP address to a Network Management Card, and then ...

Page 59 - settings, select the; to; and; to exit to the

Network Management Card: Quick Configuration NetworkAIR IR Operation, Maintenance, and Troubleshooting 53 TCP/IP settings, select the Boot Mode menu. Select Manual boot mode , and then press E SC to return to the TCP/IP menu. (Changes will take effect when you log out.) 4. Set the System IP , Subnet...

Page 60 - How to Access a Configured Unit

54 NetworkAIR IR Operation, Maintenance, and Troubleshooting How to Access a Configured Unit Overview After the Network Management Card is running on your network, you can use the interfaces summarized here to access the NetworkAIR IR In-row Precision Air Conditioner. Web interface As your browser, ...

Page 61 - Telnet for basic access.; address; SNMP

Network Management Card: How to Access a Configured Unit NetworkAIR IR Operation, Maintenance, and Troubleshooting 55 Telnet for basic access. Telnet provides the basic security of authentication by user name and password, but not the high-security benefits of encryption. To use Telnet to access a N...

Page 63 - How to Recover From a Lost Password

NetworkAIR IR Operation, Maintenance, and Troubleshooting 57 How to Recover From a Lost Password You can use a local computer, a computer that connects to the Network Management Card or other device through the serial port to access the control console. 1. Select a serial port at the local computer,...

Page 64 - How to Upgrade Firmware; open

58 NetworkAIR IR Operation, Maintenance, and Troubleshooting How to Upgrade Firmware For you to be able to use FTP to upgrade a single Network Management Card over the network: • The Network Management Card must be connected to the network.• The FTP server must be enabled at the Network Management C...

Page 65 - quit; to close the session.

Network Management Card: How to Upgrade Firmware NetworkAIR IR Operation, Maintenance, and Troubleshooting 59 5. Upgrade the AOS. For example: ftp> bin ftp> put apc_hw02_aos_225.bin 6. When FTP confirms the transfer, type quit to close the session. 7. Wait 20 seconds, and then repeat step 2 th...

Page 67 - Maintenance; Monthly Preventive Maintenance; Environment; In what type of room is the Module located?

NetworkAIR IR Operation, Maintenance, and Troubleshooting 61 Maintenance Monthly Preventive Maintenance Photocopy and use the pages in this section during the maintenance procedures and save them for future reference. Prepared by: _________________________________ Model Number: _____________________...

Page 68 - Cleanliness; Verify that the condensate line is flowing freely.; Electrical; cause overheated connections.

Maintenance: Monthly Preventive Maintenance 62 NetworkAIR IR Operation, Maintenance, and Troubleshooting Cleanliness * Check the condition of return air filters. Replace them if necessary. * Check the condition of the drain pan and remove any accumulation of debris in the pan. Mechanical * Ensure th...

Page 69 - Quarterly Preventive Maintenance; Mechanical; Check the water lines for leaks.; Record the amperages for the following components.

NetworkAIR IR Operation, Maintenance, and Troubleshooting 63 Quarterly Preventive Maintenance Photocopy and use the pages in this section during the maintenance procedures, and save them for future reference. Perform all the Monthly Preventive Maintenance items AND the items below. Prepared by: ____...

Page 70 - Functional tests

Maintenance: Quarterly Preventive Maintenance 64 NetworkAIR IR Operation, Maintenance, and Troubleshooting Functional tests * Verify the following modes of operation: • Full cooling • Full reheat • Humidification • Dehumidification * Verify the operation of these actuators: • Chilled water • Hot wat...

Page 71 - Semi-Annual Preventive Maintenance; Ensure that the chilled water coil is clean.; Verify that the contactors and relays are operating correctly.; Verify the operation of the coil fluid (water regulating) valves:

NetworkAIR IR Operation, Maintenance, and Troubleshooting 65 Semi-Annual Preventive Maintenance Photocopy and use the pages in this section during the maintenance procedures and save them for future reference. Perform all the Monthly/Quarterly Preventive Maintenance items AND the items below. Prepar...

Page 73 - Troubleshooting; Refrigeration; Problem

NetworkAIR IR Operation, Maintenance, and Troubleshooting 67 Troubleshooting Refrigeration Problem Possible Cause Corrective Action Controls are erratic or inoperative • Incorrect secondary voltage. • Ensure that the control transformer secondary voltage is within +/- 10% of 24 VAC. • Remote shutdow...

Page 75 - Problem Possible

Troubleshooting: Semi-Annual Preventive Maintenance NetworkAIR IR Operation, Maintenance, and Troubleshooting 69 hlj Problem Possible Cause Corrective Action Humidifier inoperative • Water supply is not on.• Electrical connections are loose. • Humidifier fuse is open.• Relative humidity is above the...

Page 77 - Warranty; Limited Product Warranty for APC Products; LIMITED FACTORY WARRANTY; APC product covered; APC NetworkAIR FM In-row Precision Air Conditioning Unit; Terms of warranty; This warranty does not cover; Non-transferable Warranty extends to first purchaser for use

NetworkAIR IR Operation, Maintenance, and Troubleshooting 71 Warranty Limited Product Warranty for APC Products The limited warranty provided by American Power Conversion Corporation (“APC”) in this Statement of Limited Factory Warranty applies only to Products you purchase for your commercial or in...

Page 78 - Assignment of warranties; no representations; as to the effectiveness or extent of such warranties, assumes NO; Drawings, descriptions; not warranties of; not warranties of fitness for a particular purpose; Exclusions

Limited Product Warranty for APC Products 72 NetworkAIR IR Operation, Maintenance, and Troubleshooting Assignment of warranties APC will assign to you any warranties which are made by manufacturers and suppliers of components of the APC Product and which are assignable. Any such warranties are assig...

Page 80 - Warranty Procedures; Claims

74 NetworkAIR IR Operation, Maintenance, and Troubleshooting Warranty Procedures Claims You will need the model number of the Product, the serial number, and the date purchased. A technician will also ask you to describe the problem. If it is determined that the Product will need to be returned to A...

Page 81 - Parts

Warranty Procedures NetworkAIR IR Operation, Maintenance, and Troubleshooting 75 Parts • APC warrants the parts of their systems for 1 year from the date of commissioning or 18 months from the ship date. This warranty only covers the cost of the part and not the labor for installation. • Calls for w...

Page 84 - APC Worldwide Customer Support

*990-2260-001* APC Worldwide Customer Support Customer support for this or any other APC product is available at no charge in any of the following ways: • Visit the APC Web site to access documents in the APC Knowledge Base and to submit customer support requests.– www.apc.com (Corporate Headquarter...