AMX VST Instruction Manual page 11

Programming Quick Reference (Cont.)
Command
SH
SH++
SH--
SC
SC++
SC--
S
SP++
SP--
DIF1
DIF2
OFFSET
SHUM
SHUM++
SHUM--
SDEH
SDEH++
SDEH--
MODE,M
FAN, F
HVAC, H
(Cont.)
ViewStat Communicating Thermostat - Programming Protocol Reference Guide
Description
Thermostat HVAC Operational Commands
Heat Mode Set Point
Increment heat set point
Decrement heat set point
Cool Mode Set Point
Increment cool set point
Decrement cool set point
Current Mode Set Point
Increment current mode set point
Decrement active set point
Temperature control differential for 1st stage
heat/cool.
Temperature control differential for 2nd stage
heat/cool.
Amount to offset the display temperature from
the sensed temperature.
Humidify Mode set point
Increment humidify set point
Decrement humidify set point
Dehumidify Mode set point
Increment dehumidify set point
Decrement dehumidify set point
Thermostat Mode of Operation
Fan Switch Setting
Report HVAC Relay States
ViewStat Programming Protocol
Value
Two digit integer: 40 - 88 for °F;
4 - 31 for °C
Integer value which when added to the cur-
rent heat set point does not fall outside the
SH limits
Integer value which when deducted from
the current heat set point does not fall out-
side the SH limits
Two or three digit integer: 42 - 90 for °F;
6 - 33 for °C
Integer value which when added to the cur-
rent cool set point does not fall outside the
SC limits
Integer value which when deducted from
the current cool set point does not fall out-
side the SC limits
Two or three digit integer (see next two
commands)
Integer value which when added to the cur-
rent mode set point does not fall outside
the SH and SC limits
Integer value which when deducted from
the current mode set point does not fall out-
side the SH and SC limits
0.5° - 2° in 0.5° increments
0.5° - 2° in 0.5° increments
±3°, 1° increments
Two digit integer: 10-90
Integer value which when added to the cur-
rent humidify set point does not fall outside
the SHUM limits
Integer value which when deducted from
the current humidify set point does not fall
outside the SHUM limits
Two digit integer: 10-90
Integer value which when added to the cur-
rent dehumidify set point does not fall out-
side the SDEH limits
Integer value which when deducted from
the current dehumidify set point does not
fall outside the SDEH limits
A / C / H / E / OFF
(Auto/Cool/Heat/EMHT/Off)
Humid/Dehum when operating as a humid-
ity controller.
A / ON (Auto/On)
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