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Table of Contents
iii
ENV-VST-C - Operation / Reference Guide
Activating the External Sensor ...................................................................................... 41
Activating the Internal On-board Sensor....................................................................... 42
Activating the On-board Humidity Sensor..................................................................... 42
Setting the Date and Time on the Thermostat .............................................................. 42
Turning on Diagnostic Mode ......................................................................................... 43
Turning on the Humidification and Dehumidification Systems ...................................... 44
Turning on Comfort Recovery ....................................................................................... 44
AxLink Communications Screen..................................................................................... 45
Switching AxLink Devices.............................................................................................. 46
Thermostat Setup ................................................................................................... 47
Thermostat Setup Screen .............................................................................................. 47
Setting First and Second Stage Differentials................................................................. 48
Setting the Deadband Temperature Difference ............................................................ 48
Setting the Temperature Offset .................................................................................... 49
Setting the Balance Point for a Heat Pump System....................................................... 49
Programming ....................................................................................................51
Overview ................................................................................................................ 51
SEND_COMMANDs ................................................................................................ 51
CLOCK ................................................................................................................................... 51
MESSAGE............................................................................................................................... 51
RESET..................................................................................................................................... 51
SLEEP..................................................................................................................................... 51
VER ........................................................................................................................................ 51
WAKE..................................................................................................................................... 52
ZAP! ....................................................................................................................................... 52
Color ViewStat Thermostat Commands .................................................................. 52
5-Day Forecast Commands............................................................................................ 52
FH .......................................................................................................................................... 52
AxLink Commands......................................................................................................... 53
BK .......................................................................................................................................... 53
CD.......................................................................................................................................... 53
FL ........................................................................................................................................... 53
FK........................................................................................................................................... 53
CF........................................................................................................................................... 54
?EXTERNAL_TEMP................................................................................................................. 54
FILTER .................................................................................................................................... 54
?FILTER .................................................................................................................................. 54
FM.......................................................................................................................................... 54
LK........................................................................................................................................... 55
MD ......................................................................................................................................... 56
PG .......................................................................................................................................... 56
PRESSURE .............................................................................................................................. 57
?SERIAL.................................................................................................................................. 57
SP........................................................................................................................................... 57
ST........................................................................................................................................... 57