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™
NetworkAIR IR Precision
Air Conditioner
In-row
Operation, Maintenance, and
Troubleshooting
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Contents Operation ................................................................1 Display Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Using the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Scrolling status screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Main menu screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Navigating the interface . . . . . . . . . . . . . . . . . . . . . .
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Set Up Module Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Calibrate airflow manually . . . . . . . . . . . . . . . . . . . . . . . . 17 Calibrate airflow automatically . . . . . . . . . . . . . . . . . . . . . 17 Reset variable frequency drive . . . . . . . . . . . . . . . . . . . . . . 18 Reset humidifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Set up Humidifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Reset compre
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View Status Readings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Scrolling status screens . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Module status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 System status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Group status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 View Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Maintenance ......................................................... 61 Monthly Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . 61 Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Cleanliness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Quarterl
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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, or event has occurred. Status LED When green, the Module is on. $ Liquid Crystal Display (LCD) View alarms, status data, instructional help, and % configuration items. Up and down arrow keys Select menu items and access information. & ESC key Return to previous
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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 revision number (if the fast start-up is disabled). The display interface then scrolls automatically and continuously through nine screens of status information. Status Screen Name Status Information Displayed Control Temp & Humidity Temperature and Humi
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Operation: Using the Display Main menu screen On any top-level status screen, press the ENTER or ESC key to open the main menu screen. If the display interface is inactive for ten minutes (the default delay), it returns to the scrolling status screens. To change this delay, use the time- out setting under the Password menu. Note Navigating the interface Selector arrows. Press the up or down arrow key to move the selector arrow to a menu option or ! setting. Press the ENTER key to view the sel
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Operation: Using the Display 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 control the components in the Module or change advanced options When you try to change any of the settings, the display prompts you to enter your password. The default value for both the User and Service password is APC (upper case). To enter your password, use
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Operation: Using the Display 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. Change the setting to Off to shut down all modes of operation and the blower fan; the display and the controller continue to receive power. Note For Systems with electric reheat, the blower fans may continue to operate for up to 60 seconds to purge heat from the System. NetworkAIR IR Operation, Maintenance, and Troubleshooting 5
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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. Changing the settings incorrectly can cause serious malfunctions and damage to your System. Only qualified service personnel should make changes to these settings. Not all the System configuration settings apply to the NetworkAIR IR In-row Precision Air Conditioner. Note System Options Path: Main > Setup > System # > System Config > Sy
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Operation: Set Up System Configuration # 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 the Input/Output menu. See Set Up Contacts and Relays on page 13 to set up the contacts and relays from the display interface. See the Installation Manual to connect the contacts and relays to the Main Module. # Modules in Sys. Indicate the number of Module
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Operation: Set Up System Configuration 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 working against each other. Comp Min ON. The Comp Min ON setting does not apply to Systems without compressors. For Systems with compressors (direct expansion), the delay begins when the compressor engages, and then prevents the compressor from disengaging until the delay h
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Operation: Set Up System Configuration 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 Conditioner, you must set the following values: Address. The address of the Main Module on the RS-485 bus for a building management system. Baud Rate. The bus speed for the RS-485 bus. Parity. The parity for the RS-485 bus. Stop Bits. The stop bits for the RS-485 bus. See the Inst
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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 without a compressor. The following settings apply to each type of fluid-cooled Module. See the rest of this section for a description of each setting: Fluid-Coil Type Applicable Settings Chilled Water Coil Cfg (System Configuration) Flow Switch Coil Flui
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Operation: Options for Fluid-Cooled Modules 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. Economizer-equipped Systems use three-way valves. Flow Switch. Set the location of the optional flow switch in this System. The flow switch detects whether there is adequate liquid coolant (water) flow to maintain coil operation. The Flow Switch setting indicates where the flow
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Operation: Options for Fluid-Cooled Modules 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 MultiCool coil or Economizer coil in equipped Systems. Set the temperature threshold and deadband for using the MultiCool coil or the Economizer coil. The System will compare the actual coolant temperature with the setpoint and deadband to determine if the coolant is at a
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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 and fire detection systems You can set input contacts to cause alarm conditions based on their current state and a user-defined normal state. Output contacts can map internal alarms and events to outside devices. See the Installation Manual to connect c
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Operation: Set Up Contacts and Relays Action. Set the System controller to respond to the change of status for an input in one of the following ways: Map Description/Function Status Only Displays the event on the Active Alarms screen. Status-only events are not logged. Minor Alarm Activates the Warning LED and the alarm beeper. It also creates an entry in the event log. Major Alarm Activates the Alarm LED and the alarm beeper. It also creates an entry in the event log. Remote Run/Stop Shuts
