Specifications

The ViewStat Communicating Thermostat offers complete
digital thermostat functionality, including the ability to schedule
automatic temperature adjustments throughout the day, control
r
elative humidity levels and power-outage protection. ViewStat
is available with (VST) and without (VST-TSTAT) an ICSNet
MiniVerter interface, providing dealers with flexibility in deciding
the control system interface.
The ViewStat product family includes:
VST:
V
iewStat with MiniVert
er (ICSNet Inter
face) F
G944
VST-TSTAT: ViewStat only F
G944-01
V
ST
-MVRT:
MiniVerter ICSNet Interface only
FG944-02
VST-
DIST
: Distribution Panel (RS422 Interf
ace)
FG944-03
VST-TTM: Dual Temperature Support Module
F
G944-10
VST-TRH: T
emperatur
e/Humidity Support Module
FG944-20
VST
-TSF: Flush-mount indoor temperatur
e sensor
FG944-30
VST-TSO: Duct/outdoor temperature sensor FG944-40
PS-24V
AC: 24 VAC power supply
FG424
TEMPERATURE CONTROL
Contr
ol Accuracy = +/- 1.0
° Fahrenheit (+/- 0.56
° Celsius)
Control Range = +/- 1.0° Fahrenheit (+/- 0.56° Celsius)
Contr
ol Range = +/- 1.0° Fahrenheit (+/- 0.56° Celsius)
COMPATIBILITY
NetLinx Control Systems
Access Control Systems
Landmark Home Automation Systems
POWER
Control Voltage = 24VAC or 24VDC (+/- 20%)
Switched Voltage = 18 – 30 VAC
Maximum Switchable Cur
r
ent:
Two Amps total rated voltage, through all outputs
One Amp through any one output
DIMENSIONS (HWD): 5.01" x 5.52" x 1.15"
(127.2 mm x 140.2 mm x 29.2 mm)
WEIGHT: 5.29 oz (150 grams)
VIEWSTAT COMMUNICATING THERMOSTAT SYSTEM
VST-MVR
T
ViewStat MiniVerter Interface
FG944-02
The VST-MVRT adds an ICSNet interface to the ViewStat Comm-
unicating Thermostat (VST-TSTAT does NOT include VST-MVRT).
INCLUDES
Mounting bracket to attach the inter
face dir
ectly to the VST
-TST
AT
Snap-track to mount the interface remotely
COMPATIBILITY
NetLinx Control Systems
Landmark Home Automation Systems
VST-DIST
V
iewStat Interface Distribution Panel
FG944-03
The VST-DIST connects to up to eight ViewStat thermostats
(VST-TSTAT, not included), providing a convenient and effective
method of wiring multiple thermostats to the control system.
The VST-DIST provides one RS422 interface to the control
system and eight RS422 interfaces for the thermostats.
VST-TTM
ViewStat Dual Temperature Support Module
FG944-10
The VST-TTM expands the capabilities of the ViewStat,
providing remote temperature sensing to increase the efficiency
of the HVAC system. The VST-TTM provides one on-board
temperature sensor. Optionally, one or two remote temperature
sensors (VST-TSF and VST-TSO) may be connected to the VST-
TTM to achieve maximum comfort and performance.
VST-TRH
ViewStat Dual Temperature Support Module
FG944-20
The VST-TRH expands the capabilities of the ViewStat, providing
remote temperature and humidity sensing to increase the
comfor
t and efficiency of the HVAC system. The VST-TRH
provides one on-board temperature sensor and one on-board
humidity sensor. Optionally, a remote temperature sensor (VST-
TSF or VST-TSO) may be connected to the VST-TRH to achieve
maximum comfort and performance.
VST-TSF
V
iewStat Flush-Mount Indoor T
emperature Sensor
FG944-30
The VST
-TSF is a fl
ush mount temperatur
e sensor for indoor use
only. The VST-TSF can be installed on any interior wall for remote
temperature sensing that literally blends in with any décor.
VST-TSO
V
iewStat Outdoor/Duct T
emperatur
e Sensor
FG944-40
The VST-TSO is a remote temperature sensor for outdoor and
HV
AC duct use. The VST-TSO can be installed in any location for
remote temperature sensing in harsh environmental conditions.
PS24VAC
24 Volt AC Power Supply
FG424
The PS-24VAC power supply provides 40 VA of 24 VAC power to
the V
iewStat Ther
mostats.
CONFIDENTIAL INFORMA
TION © 2005 AMX Corporation. All rights r
eser
ved. AMX and the AMX logo are registered trademarks of AMX Corporation.
AMX reserves the right to alter specifications without notice at any time. AMX does not assume responsibility for any errors or omissions.
For more information about AMX pr
oducts and services visit
www
.amx.com
10-05
VST AND VST-TSTAT
V
iewStat Communicating Thermostat
FG944
M
ODEL VST – WITH MINIVERTER (VST-MVRT)
FG944-01
MODEL VST-TSTAT – WITHOUT MINIVERTER