Aprilaire 8870 Thermostat User Manual


 
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5. NETWORK OVERRIDE
If the Network Override has not been disabled in the Thermostat Set-Up, the Network Override
can be initiated by pressing the Enter button. When initiated, the thermostat is taken off-
line from the automation system. The thermostat can then only be operated at the thermostat.
Pressing the Enter button again will restore network communication.
6. CLEARING A TEMPORARY FLASHING MESSAGE
Custom Home Automation systems have the ability to send a temporary message to the
message display. This message will flash until the user acknowledges the message. To
acknowledge message press the Enter button.
THERMOSTAT SET-UP
The thermostat has many features that can be adjusted to customize operations.
Temperature Control Set-Up, Balance Point Set-Up and Communications Set-Up, in
particular, should only be adjusted with the help of a qualified service technician.
TO ACCESS THESE 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 button and MODE button at the same time.
Thermostat Set-Up is menu driven but only one menu item is visible at a time. Figure 4
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 adjustable values. The Enter button is
used to select a menu item or enter a value. When in Thermostat Set-Up, if none of the