Amx ENV-VST-C User Manual download pdf (Page 33)

Programming

iewStat Color Communicating Thermostat

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, 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 Channels (Cont.)

Channel Type Function Description

227 FDBK HVAC Emergency Heat

Status

Feedback, HVAC Emergency Heat Status

changed

Channel ON: Emergency Heat is On,

Channel OFF: Emergency Heat is Off.

228 CMD Humidify State Auto Set the humidify state to auto while the

channel is active, ON.

229 CMD Humidify State Dehumidify Set the humidify state to dehumidify while

the channel is active, ON.

230 CMD Humidify State Humidify Set the humidify state to humidify while the

channel is active, ON.

231 CMD Humidify State Off Set the humidify state to off while the

channel is active, ON.

232 FDBK Dehumidify Status Feedback, Dehumidify Status changed

Channel ON: Dehumidifier is On,

Channel OFF: Dehumidifier is Off.

233 FDBK Humidify Status Feedback, Humidify Status changed

Channel ON: Humidifier is On,

Channel OFF: Humidifier is Off.

234-255 Not Used

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 41 42

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Amx ENV-VST-C User Manual Page 33

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