Echo 8870 installation manual Data bits Parity None Stop bits Flow control none Click OK

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6.This will bring up a Connect to dialog box. From the pull down next to “Connect using:”, select the Com port to which the Protocol Adapter is connected (see ILLUSTRATION 8). Start with Com port 1 (or the next lowest available number) if you are unsure which one to use. Click OK.

ILLUSTRATION 8 – Select Com Port

7.A COM1 Properties dialog box should appear. Use the pull-down menus or type in the following for each selection (see ILLUSTRATION 9):

Bits per second: 9600 (or 19200 if thermostats are configured for this baud rate)

Data bits: 8

Parity: None

Stop bits: 1

Flow control: none

Click OK.

ILLUSTRATION 9 – Connection Properties

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Contents Communicating Thermostat System Installation Manual Step Communicating Thermostat System Installation ManualAppendix Tools YOU will NEED… Model 8870 ThermostatModel 8811 Protocol Adapter Model 8818 Distribution PanelUse Category-5 cable for all communication wiring Model 8870 ThermostatModel 8818 Distribution Panel Model 8061 and Model 8062 Support ModulesRUN the Required Wires see Illustration Illustration 2 Run Wire For SystemLocate and Mount the Automation System Components FEW Minutes Spent Writing DownFill Out and Leave with System Software Package Illustration 3 Network Interconnection WorksheetDiagram 1 Typical Heating / Cool Wiring Schematic Do not Turn on Hvac System Power YETDiagram 2 Typical Heat Pump Wiring Schematic Communication System Wiring Distribution PanelDiagram 4 Thermostat Communication Wiring Communication Terminal DefinitionsDiagram 5 Multiple Distribution Panels Connect Multiple Distribution PanelsDiagram 6 Protocol Adapter Wiring VAC Transformer provided w/ protocol adapterProvide Power to the Distribution Panel Turn on Power to ALL Hvac Equipment and to the ThermostatsOther Switches CHECK-OUT Hvac System OperationIllustration 5 Setting the Thermostat Address Address the Thermostats and SET Highest AddressTo the right of the message center display Press the Enter button to select this sub-menuSetup Computer for Communication System Checkout Illustration 6 Access HyperTerminalTurn on the computer From the Start menu, select Programs Illustration 7 New ConnectionIllustration 8 Select Com Port Data bits Parity None Stop bits Flow control none Click OKIllustration 9 Connection Properties Press Enter to clear the command line Illustration 10 Terminal SettingsIllustration 11 Ascii Setup Click OK to put away both dialog boxesIllustration 12 Com Switches CHECK-OUT Communications to the Thermostat NetworkType SN? and press Enter Type SN ID? and press EnterDiagram 7 Adding an 8870 Thermostat AppendixDiagram 8 Adding an 8840 Series Thermostat Illustration 13 Remove Terminating ResistorsCommand Response Syntax Aprilaire Command SETTo be set. The value must follow the action with no Communication Control Commands Thermostat Sensing CommandsThermostat Hvac Operational Commands Auxiliary Information CommandsFill Out and Leave with System Software Package DP 10005754