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1 ENV-VST-C ViewStat Color Communicating Thermostat Overview The ViewStat Color Communicating Thermostat (FIG. 1) provides the current temperature (from an on-board sensor, a remote sensor, or an average of the on-board and remote sensors), controls and displays humidity, and displays the current outdoor temperature. The thermostat displays this information on a 3.5" (8.89 cm) color display. In addition, the thermostat provides the current day's weather forecast along with a five-day forecast, when connected to an Internet-enabled Master. The forecast information is driven from AMX’s i!-Weather application. A three-year subsciption to i!-Weather is included with purchase of the thermostat. Specifications ViewStat Color Communicating Thermostat Specifications Control Voltage 24 VAC (interfaces with a power supply through the RC terminals.) Warning: Exceeding the control voltage may cause damage to the thermostat. Switched Voltage 18 – 30 VAC, 57-63 Hz Maximum Operating Current 2 amps total at rated voltage, through all outputs. 1 amps through any one output. Maximum Surge Current 2.0 A Internal Battery CR2032 for maintaining real-time clock settings during a power loss. Control Accuracy ±1.0° F (± 0.56° C) ±3% relative humidity Temperature Range Maximum displayable indoor temperature: 40° – 99° F (5° – 37° C) Maximum displayable outdoor temperature: -40° – 120° F (-40° – 49° C) Operating Range 32° – 122° F (0° – 50° C) Front Panel Components: Main LCD display 3.5" (8.89 cm) color QVGA (320 x 240) Thin Film Transistor Liquid Crystal Display (TFT-LCD). Navigation buttons The Navigation buttons are used to change various parameters on the thermostat, including the temperature setpoints. These buttons are located beneath the display. Mode/Select button The Mode/Select button is used to navigate through the various thermostat screens, including the weather screens. This button is located beneath the display. ViewStat Color Communicating Thermostat Specifications (Cont.) Circuit Board Components: Communication and HVAC Equipment connectors Terminals with captive-wire connectors that connects to the thermostat, HVAC equipment, control system, remote sensors, and power supply. Enclosure: Material White plastic and removable front panel. Panel can be painted to match wall decor. Warning: If you paint the panel, do not paint over the exposed thermistor. Doing so can cause the external temperature sensor to work improperly. Dimensions (HWD) 5.31" x 3.93" x 1.18" (13.48 cm x 9.98 cm x 2.99 cm) Weight 5.29 oz. (150 grams) Included Accessories ENV-VST-C ViewStat Color Communicating Thermostat Installation Guide (93-2050-01) ENV-VST-TSO ViewStat Indoor/Outdoor Temperature sensor (FG2050-22) i!-Weather application (FG3005-20), three-year subscription Optional Accessories: ENV-VST-TSF ViewStat Indoor Flush Mount Temperature Sensor (FG2050-21) Installing a Remote Sensor Follow these steps to install the remote sensor: 1. Drill a 1/4" hole into the drywall where you want to install the sensor. 2. Fish the cable that connects to the sensor through the 1/4" hole in the wall until the edge of the sensor, where the cord meets the sensor, is flush against the wall. 3. Apply caulk, drywall putty, insulation, or any other appropriate sealant to the hole in the wall around the sensor to seal the hole. 4. Attach the connecting wires from the sensor to the S1 and S2 terminals on the thermostat. Note: You can use a maximum of 300 ft (91.44 m) of 18 AWG wire for connecting the indoor/outdoor remote sensor to the thermostat. The thermostat automatically defaults to using the on-board temperature sensor when you install it. For information about activating the remote sensor, consult the Activating the External Sensor section of the ViewStat Color Communciating Thermostat User Guide. Mounting the Base to a Wall You should only mount the thermostat onto a sheetrock wall with the anchors and screws provided with the unit. There are four screw holes located on the base of the thermostat. No tools are required to disassemble the thermostat— simply use your hands to pull the front panel off of the base. 1. Place the base over the wire hole opening in the wall. Level the base (leveling required for appearance only) and mark the screw hole mounting locations. 2. Using the supplied wall anchors, drill 1/4" hole in the center of the marked locations, and tap the wall anchors into the holes. If using the supplied screws only, drill a 3/32" hole in the center of the marked locations. Note: Minimize the wire entry hole size and seal. Drafts from inside the wall could affect temperature readings. 3. Fasten the base to the wall with the supplied screws. 4. Seal the wire entry with caulk, drywall putty, or insulation. Wiring the Thermostat Note: A qualified HVAC technician should perform these steps to ensure proper terminati...
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