AMX ViewStat - Manual (Page 30)

ViewStat Installation and Wiring
24 ViewStat Communicating Thermostat
7. Use the up arrow button to raise the set point 3°F above room temperature. In 5-10 seconds, the first stage
of heating begins and the HEAT message icon begins to flash. If there is a second stage it will begin in 4
minutes.
Heat Pump Only: The message HEAT -AUX is displayed when the auxiliary heat terminal (W1) is
energized. The LED on top of the thermostat will illuminate.
8. Press the Mode button until OFF appears in the Main display. During Check-out, change the mode to
override the minimum On time delays.
9. Press the Mode button until EM.HEAT appears on the Main display. Repeat step 7 to verify Emergency
Heat operation.
Optional HVAC Set-Up Features
There are a number of HVAC features that can be configured for the particular application. These include
temperature control options, display options and high/low balance points (heat pumps only).
Temperature control options
Balance points
Display options
To access these HVAC set-up features
When first powered up, the message display will scroll through the current mode status, fan status, and
heating/cooling output status. This is referred to as Passive Display because you do not interact with it. To get
into the Set-Up Menu, press the Enter and Mode buttons at the same time. This is referred to as User
Interactive Display, as the user navigates through various menu and sub-menu selections to change variables.
Set-Up is menu driven but only one menu item is visible at a time. FIG. 32 on page 39 shows the entire Main
Menu. Selecting any one of the Main Menu items (by pressing the Enter button) will enter a corresponding
Sub-Menu. The Scroll Up and Scroll Down buttons are used to move between menu items or change values.
The Enter button is used to select a menu item or enter a value. When in Thermostat Set-Up, if none of the
three navigation buttons are pressed in 5 minutes, the display will return to Passive Display.
For detailed information on accessing and using the various Set-Up menus, refer to the Set Up and
Configuration section on page 39.
Address the Thermostats and Set Highest Address
1. Press the Mode and Enter buttons simultaneously at the thermostat. It may take a couple of tries to get
them pressed together.
This will enter the Thermostat Set Up Menu. The first menu item that will appear on the text messaging
display is an informational item that indicates that only the Scroll Up, Scroll Down (two buttons located
immediately to the right of the text display) and the Enter buttons are used in thermostat set up. This will
remain on the display for approximately 5 seconds or until any of the three aforementioned buttons are
pressed. Thermostat Set Up is a series of sub-menu's that allow you to customize the ViewStat in various
ways. The Set Up and Configuration section on page 39 outlines the set up features. The following steps
will guide you only through Communications Set Up sub-menu (FIG. 17).
2. Press the Scroll Down button until the "Communications Set Up" menu shows on the display.
3. Press the Enter button to select this menu.
4. The first sub-menu item is "Set Thermostat ADDRESS". Press the Enter button to select this item.
5. Set the address between 1 and 64 using the Scroll Up and Scroll Down buttons.
Each thermostat must have a unique address (i.e. no two thermostats can have the same address)
Start with address 1 and increment by 1 for each new address - do not skip an address. This will
optimize communications speed.
These steps must be done at each thermostat for communication to work properly.