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Aprilaire 8825 Installation, Configuration And User Manual
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Aprilaire 8825 Installation, Configuration And User Manual

System controller
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Summary of Contents for Aprilaire 8825

  • Page 1 READ AND SAVE THIS MANUAL...

  • Page 2: Table Of Contents

    This manual describes the steps needed to install, configure and use the Model 8825 System Controller: For Technical Support ....................... 3 System Controller Package Contents ..................3 System Pre-Requisites ......................3 Other Useful Documents ......................3 Installation Steps ........................4 Step 1: Mount the System Controller..................
  • Page 3 )*( . )+ + ' . For help with any of the steps explained in this manual that cover the installation or configuration of the Model 8825 System Controller, please do not call your distributor. Instead, please contact Aprilaire Technical Support, at (888) 782-8638.

  • Page 4: Step 3: Connect The System Controller To The Distribution Panel

    To install the System Controller you will need to complete the following steps, which are described in detail in the following sections: 1. Mount the System Controller in a suitable location 2. Connect power to the System Controller using the included transformer 3.
  • Page 5 Connect the enclosed Cat5 RS-485 serial communications pigtail cable between the System Controller and the Distribution Panel. Plug the RJ45 connector into the RS-485 jack in the System Controller, and connect the four individual wires as shown above into the terminals marked A+, A-, B+, B- on the Distribution Panel.

  • Page 6: The Configurator

    ' ( )* )*/ , . *, ( -' # ( ' )*( . )+ + ' . Once you have completed the installation of System Controller you are ready to power up and configure the System Controller for your application. The Configurator is the software tool you use to setup and configure your system.
  • Page 7 2. For Windows 95, 98, and Me (Millenium edition) type command, and for Windows NT, 2000 or XP type cmd and then click OK: this will bring up a command prompt similar to that shown below. 3. Type ipconfig and press Enter: the system will display several lines including the IP address, as shown above.
  • Page 8 1b. For Windows 95, 98 and Me, click Start, Settings, Control Panel. In the Control Panel, locate and double-click Network Connections to bring up the Network dialog. For all versions of Windows, select the Internet Protocol (TCP/IP) (or TCP/IP) and then click Properties, to bring up the TCP/IP dialogs similar to one of the following: If Use the following IP address (or Specify an IP address) is selected, make a note of the current IP address and Subnet mask for future reference:...
  • Page 9 3. If you don’t see the Aprilaire logo at the lower edge of the page (as shown above), stop and update your computer as explained in To update your computer to the latest version of java on page 6.
  • Page 10 6. Type in the desired IP address and Subnet mask to match your network, and then click OK. 7. If you plan to enable the email alert feature, then you must also set the Default Gateway and DNS Server to correct values: see your network administrator if you are not sure what settings to use. To restore your computer’s IP address: If you changed your computer’s IP address to connect to the System Controller, follow these steps to restore your computer’s IP address back to its original setting.
  • Page 11 For all versions of Windows, select the Internet Protocol (TCP/IP) (or TCP/IP) and then click Properties, to bring up the TCP/IP dialogs similar to one of the following: If you wrote down an IP address during step 4 of the procedure above (To change your IP address to setup the System Controller), reset the IP address and subnet mask to those values.
  • Page 12 There are four steps to setting up the System Controller with the Configurator, which are explained in the following sections: 1. Set basic system-wide settings, such as system time and service override. 2. Add and configure thermostats, including setting the thermostat name and energy management settings.
  • Page 13 3. A shortcut is placed on your desktop to provide quick access to the System Controller. Tour the Configurator window: The Configurator consists of tabs on the left side of the window, the system component tree and buttons (such as Add New … and Remove …) in the middle of the window, and then various input fields in the properties window on the right of the screen.
  • Page 14 " # The System tab contains global settings which are typically set once during installation. To set the System Controller time: 1. Click the System tab, then click System Time in the tree structure as shown below: 2. The properties window displays the System Controller’s current time as well as the time on your computer.
  • Page 15 To change the passwords for the interfaces: The System Controller supports two users: User and Admin. User has access to the Viewer interface on a regular basis for making changes to setpoints, turning heating on or off, etc. Admin also has access to the Configurator for making changes to the setup of the system. In normal installations it is common to have a password for Admin and no password for User.
  • Page 16 Automatic detection is best for new installations, and sets a default name (“Thermostat 1”, etc.) for each: 1. On the Climate tab, select Aprilaire Model 8818 under Communication Devices, as shown above. 2. Click the Discover Devices button at the lower right of the screen: click OK if prompted.
  • Page 17 6. Check the Device ID to confirm that it matches the thermostat address you entered when you programmed the thermostat. See Communicating Thermostat System Installation Manual (#DP10005754) for more information. To set the temperature scale: 1. On the Climate tab, select Options in the system component tree, as illustrated in the image above. 2.
  • Page 18 “From” address specified. See also To specify and enable alerts below. 1. On the Climate tab, select the Aprilaire Model 8818 as above. 2. In the properties window at right, set the three email fields: Email From: Set a valid email address.
  • Page 19 To set the Setpoint Limit and Hold Time for thermostats: Users can change the setpoint from a thermostat by pressing the up or down buttons. The System Controller will limit how far they can change the setpoint based on the Setpoint Limit. In addition, changes made to the setpoint at the thermostat will be cancelled after the Hold Time, at which point the scheduled setpoint will resume.
  • Page 20 To setup Remote Sensors: The Model 8825 System Controller supports up to two remote sensors on each thermostat in the system. Settings for sensors are in the property window for the thermostat to which they connect: in the image above, Outside Temperature is the first sensor on the Reception thermostat, and there is no second sensor connected.
  • Page 21 To change the order of the thermostats in the Viewer: You can change the order of thermostats in the Viewer to suit your own preference. The order of thermostats controls the order of thermostats displayed on the System Status tab as well as the order of the tabs on the Thermostat Settings tab.
  • Page 22 ,- . / The term HVAC unit refers to the heating and cooling equipment controlled by a thermostat or group of thermostats. Based on the settings in the Configurator for the HVAC unit, specific controls will appear in the Viewer on the appropriate thermostat page.
  • Page 23 To assign HVAC units to thermostats: Once the equipment has been added, go back to each thermostat and identify which equipment is controlled by each thermostat. 1. In the Climate tab select the desired thermostat under Thermostats in the tree structure. 2.
  • Page 24 Once equipment has been properly added and configured, the interface in the Viewer is automatically generated to show the correct controls for each thermostat. At the bottom of the image below, the Reception thermostat controls the heating and cooling for Unit 1. Unit 1, as shown to the right, provides heating, cooling, and has a fan.
  • Page 25 Schedules are set up and managed in two separate steps. The Configurator, described here, is used to perform initial setup to create, name and provide the basic structure for schedules. The Viewer, which is described later in Section 3, is used to change the actual start times and the setpoints and work with schedules on a regular basis.
  • Page 26 In a typical office, there would be one schedule, as follows: Two Weekly Programs: One for the week days (Mon-Fri) and a second for the weekend and holidays (Saturday, Sunday, Holidays) Two Periods per Day: 1) Occupied, when the space is used during normal business hours, and 2) Unoccupied, when the space is not in use.
  • Page 27 To set the basic parameters for Master Schedules: 1. Click the Climate tab, and then locate and click the desired Master Schedules in the tree structure. The example below shows the Office Master Schedule selected: 2. Select the number of weekly programs. 3.
  • Page 28 To add holidays: 1. Click the Climate tab, and then locate and click the Holiday item at the bottom of the tree structure. 2. Click Add New Holiday, then type in the name and the date for the holiday, as shown below. 3.

  • Page 29: Start The Viewer

    System Controller IP address if different) and press Enter. The System Controller welcome page appears, as shown below. 3. If the Aprilaire logo does not appear as shown above, then you need to update your computer with the latest version of Java.

  • Page 30: The Viewer Interface

    & ' The Viewer interface has three main tabs on the left of the screen: System Status, Thermostat Settings, and Master Schedules. The System Status tab provides a summary of all the thermostats and shows the outdoor temperature. The System Status tab also shows the values for remote sensors and displays humidistats in a separate window, if humidistats are present.
  • Page 31 & ' The System Status tab shows the current status of all the thermostats in the system. Each thermostat is displayed in its own row with the following information: NOTE: If the row for a thermostat is red, the thermostat currently has an active alert. Name The thermostat’s name Heat...
  • Page 32 & ' The Thermostat Settings tab contains a tab at the bottom for each thermostat in your climate system. For each thermostat, tabs across the top allow you to access pages to control Temperature, Mode (heating or cooling), control the thermostat’s Schedule and view the climate History. The Temperature page allows you to: View the current inside temperature, and if optional sensors are installed, view the remote temperature or humidity.
  • Page 33 & ' To temporarily adjust the setpoint at the thermostat: 1. At the thermostat, press the up and down buttons until the desired setpoint is reached. 2. If you change the setting so it is outside the range permitted by the Hold Limit, the System Controller will reset the setpoint to bring it back within the allowed range.
  • Page 34 & ' Use the Mode page to: Turn heating and cooling on or off. Set the fan (if applicable) to run continuously or automatically when needed. To set the climate control system mode: 1. On the Thermostat Settings page, select the tab for the desired thermostat. 2.

  • Page 35: Master Schedules Tab

    & ' There are two types of schedules on the System Controller: Individual Schedules and Master Schedules. Individual Schedules apply only to a specific thermostat, so making changes to the Individual Schedule on one thermostat does not change the setting on any other thermostat. Master Schedules apply to all thermostats that have been set to follow that Master Schedule.
  • Page 36 & ' To make changes to the thermostat’s Individual Schedule: 1. On the Thermostat Settings tab, select the desired thermostat from the row of tabs at the bottom. 2. If the active schedule is not the thermostat’s Individual Schedule, then use the Prev and Next buttons until the Individual Schedule is displayed.
  • Page 37 & ' The History page is a useful tool to monitor the performance of the system and review recent activity for a thermostat. Use the History page to: Quickly view the standard display, which shows the system activity for the last 24 hours. Change the display to show just the last hour, or the last week or month, or previous weeks or months.
  • Page 38 & ' To change the period shown in the History page: 1. Click Prev Day or Next Day to move back or forward a day. 2. Click Zoom In to see the last hour, or Zoom Out to see the last week. If you zoom out to show a week, you can zoom out again to see the whole last month.
  • Page 39 & ' The Master Schedules tab provides access to the Master Schedules, and is used to view and make changes to the Master Schedules. Note that when changes are made to a Master Schedules, all thermostats currently running that Master Schedule will use the new settings.
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  • Page 44: Thank You

    Please … Take a few minutes to visit us on-line at www.aprilaire.com to register your Aprilaire product. If you do not have on-line access, please mail a postcard with your name, address, phone number, product purchased and date of purchase to:...