AMX ENV-VST-C manual AxLink Levels, Weather Duet Module

Page 66

Programming

AxLink Levels

Each AxLink device contains 8 levels numbered 1-8. Levels are a means of applying a value to a physical element on the device.

When a device is online for the first time, the Master assumes the device is at the default level status with all levels set to

0.However, the thermostat may not be in this default state and needs to tell the Master the value of any non-zero level. After a 'LEVON' command is received from the Master, the thermostat sends a level update for any levels that are non- zero.

If the level represents a temperature, then the level value is equivalent to the degree reading plus 120. The temperature reading is reported in the set temperature scale, F or C. For example, if the temperature scale is F and the temperature reading is -10 then the level value would be 110. If the temperature scale is C and the temperature reading is 25 then the level value would be 145.

If the level represents a humidity reading, then the level value is equivalent to the humidity reading. The valid range of a level associated with a humidity reading is 0-100. Therefore, levels with values between 0-100 are valid representing humidity readings of 0% to 100%, and level values from 101-255 are invalid.

In the Level table below, the Type column denotes who initiates the level change. The Master directs the thermostat to change its state through Level of type CMD. The thermostat informs the Master of state changes through Levels of type FDBK.

AxLink Levels

Level

Type

Function

Description

 

 

 

 

1

FDBK

Indoor Temperature

The current indoor temperature reading from the thermostat sensors.

 

 

 

Level value is equivalent to the degree reading plus 120.

 

 

 

 

2

FDBK

Indoor Humidity

The current indoor humidity reading from the thermostat sensors.

 

 

 

Valid level values are 0-100% relative humidity.

 

 

 

 

3

CMD/FDBK

Current Heat Set Point

The current heat set point from the thermostat sensors. Level value is

 

 

 

equivalent to the degree reading plus 120.

 

 

 

 

4

CMD/FDBK

Current Cool Set Point

The current cool set point from the thermostat sensors. Level value is

 

 

 

equivalent to the degree reading plus 120.

 

 

 

 

5

CMD

Outdoor Temperature

The current outdoor temperature reading from the Master or an

 

 

 

outdoor sensor connected to the thermostat. Level value is equivalent

 

 

 

to the degree reading plus 120.

 

 

 

 

6

CMD

Barometric Pressure

The current outdoor barometric pressure reading from the Master.

 

 

 

Value is in inches or centimeters, depending on temperature scale.

 

 

 

 

7

CMD

High Forecast Temperature

The current high temperature forecast from the Master. Level value is

 

 

 

equivalent to the degree reading plus 120.

 

 

 

 

8

CMD

Low Forecast Temperature

The current low temperature forecast from the Master. Level value is

 

 

 

equivalent to the degree reading plus 120.

 

 

 

 

Weather Duet Module

A weather Duet Module communicates with the AMX i!-Weather internet service to gather the current forecast. The Duet Module retrieves current weather conditions and forecasts from the AMX i!-Weather service and displays the current weather information on the thermostat.

With each thermostat, you receive a certificate for a three-year subscription to the i!-Weather service. While you receive one subscription service per thermostat, you only need to use one subscription per Master, even if you have multiple thermostats connected to the Master.

Subscriptions are not stackable. If you are using multiple thermostats on a single Master, you cannot use the subscription on one of the additional thermostats once the subscription on the first thermostat expires.

Follow these steps to download, install, and configure the Weather Duet Module.

60

ENV-VST-C - Operation / Reference Guide

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Page 65 Page 67
Contents ENV-VST-C AMX Limited Warranty and Disclaimer Table of Contents Advanced Thermostat Operations Programming AxLink Channels AxLink Levels Weather Duet Module ViewStat Color Thermostat Specifications OverviewSystem Components ENV-VST-TSO Outdoor Temperature Sensor Specifications Communication and HvacSelecting the Thermostat Location Disconnecting Power to All Hvac EquipmentRemote Temperature Sensors Stand-Alone Thermostat Mounting CriteriaWiring the Thermostat Removing the Faceplate from the BaseMounting the Base to a Wall Wiring Terminals Communication and Equipment Terminal Wiring DefinitionsCommunication and Equipment Terminal Wiring Definitions Preparing Captive Wires Wiring GuidelinesWiring for AxLink Wiring Diagrams Single Stage Furnace and Single Stage A/CDual Stage Furnace and Dual Stage A/C wiring Dual Stage Furnace and Dual Stage A/CRoof Top Unit with Dual Stage Heat and Dual Stage Cool Boiler and A/C with Separate Transformers wiring Boiler and A/C with Separate TransformersSingle Stage Heat Pump wiring Single Stage Heat PumpTwo Stage Heat Pump wiring Two Stage Heat PumpInstallation and Wiring Installing a Remote Sensor Installing the Outdoor Temperature SensorInstalling the Indoor Flush Mount Sensor Indoor Flush Mount Temperature Sensor SpecificationsSensor wire connected to cable Front Panel Components Navigating the ViewStat Color Communicating ThermostatChanging the Heating and Cooling Setpoints Main Screen Status IconsHold Mode Options Changing Hold ModeChanging the Heating/Cooling Mode To ProgramTurning Off the Hvac System Changing the Fan ModeHeating/Cooling Mode Options Stops blinkingFan Auto Fan Mode OptionsHelp Screen Or coolingCurrent Weather Screen Day Forecast ScreenThermostat Mode Screen Thermostat Mode Screen OptionsExit Returns to the Main screen Establishing Daytime/Nighttime Temperature Settings Program ScreenProgram Screen Options Copying Programmed Settings Copy To screenAway Mode Screen Establishing Away Mode SettingsAway Mode Screen Options Settings Screen Changing the Fan SettingsSettings Screen Options Changing the Filter Settings Accessing Advanced Setup Options Changing User PreferencesSecurity Code Screen Entering the Security Code Change Security Code ScreenChanging the Security Code User Preferences Screen User Preferences Screen OptionsChanging the Temperature Scale Changing the Date and Time FormatChanging the Backlight Settings Disabling the Filter Change ReminderDisabling the Weather Alert Icon Disabling the Forecast ScreensDisabling the Screen Saver Button Lockout Screen Button Lockout Screen OptionsLocking the Temperature Settings Locking the ButtonsLocking the Fan Settings Locking the Mode SettingsAdvanced Setup Screen Advanced Setup Screen OptionsWhen Diagnostic Mode is active Changing the Type of Hvac SystemChanging the Type of Fossil Fuel Activating the External SensorSetting the Date and Time on the Thermostat Activating the Internal On-board SensorActivating the On-board Humidity Sensor Turning on Diagnostic Mode Advanced Setup screen 2Turning on Comfort Recovery Turning on the Humidification and Dehumidification SystemsAxLink Communications Screen AxLink Communications screenSwitching AxLink Devices Thermostat Setup Thermostat Setup ScreenThermostat Setup Screen Options Setting First and Second Stage Differentials Setting the Deadband Temperature DifferenceSetting the Temperature Offset Setting the Balance Point for a Heat Pump SystemThermostat Setup screen 2 SENDCOMMANDs SENDCOMMANDsDay Forecast Commands Color ViewStat Thermostat CommandsDay Forecast Commands Weather Condition KeywordsAxLink Commands AxLink CommandsDew Point 55F Temperature scaleDisplays the current forecast To Off, the response reports OFFSendcommand ’LK MR1 TR3’ Sets the mode to Program Master requesting the thermostat’s serial number Sets the current barometric pressureRequest the thermostat’s serial number Thermostat returns the serial numberAxLink Channels AxLink ChannelsHeat 224 219Hvac State Emergency 2nd stage heat relay Provides feedback from relay W2 246AxLink Levels Weather Duet ModuleAxLink Levels Weather Setup Pages InConcert windowChanging the Date and Time Weather MainChanging the Humidity Settings Changing the Humidity ModeChanging the Heat and Cool Settings Humidity menuChanging the Hvac Mode Hvac Mode menuChanging the Hold Mode Entering Location by Zip CodeChanging Wind Speed Units Changing Temperature UnitsEntering Location by Station ID Changing Pressure UnitsDay Forecast screen Programming ENV-VST-C Operation / Reference Guide Increase Your Revenue through education + knowledge
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ENV-VST-C specifications

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