Beta Draft Confidential
3-12 Professional Series Network Thermostat Configuration Guide, Release 3.0
Part No. 600-01000-200, Rev. 2
CHAPTER 3: Configuring the Thermostat Using the TMI
HVAC Mode Displays and controls the current mode setting for the HVAC system. The
thermostat can be configured to control the heat system only, cool system
only, automatically change over between heating and cooling systems, or
control neither system.
Off – The thermostat is disabled from controlling either the heating or
cooling system.
Heat – Heating system only.
Cool – Cooling system only.
Auto – Automatic changeover between heating and cooling systems
Fan Relay State Displays the current state of the HVAC fan.
Off – The operation of the fan is off.
On – The fan is operating.
Fan Mode Displays and controls the current state setting for the HVAC fan.
Auto – Heating or cooling system controls the operation of the fan.
On – User forces the fan to the on state independent of the operation of
the HVAC system.
Schedule – The operation of the fan adheres to a schedule as defined by
the user on the Occupied, Unoccupied and Other schedule pages. (See
Setback Schedules Page (page 3-19).) Note: When in Schedule mode,
the fan continues to work in Auto mode as well.
External Relay State
(NT150e/h and
NT160e/h only)
Displays the current state of the External Relay.
Active – The External Relay has been activated.
Inactive – The External Relay is not active.
Alarm Status
Low Temperature Displays the current status of the Low Temperature alarm condition. The
temperature has fallen below a pre-programmed limit. After this alarm
occurs, you must repair the condition which caused the temperature to fall
below the configured limit before resetting this alarm. (See General Settings
Page (page 3-14).)
OK – No Low Temperature alarm exists.
Alert! – The temperature monitored within the thermostat has dropped
below the pre-set low temperature threshold.
High Temperature Displays the current status of the High Temperature alarm condition. The
zone temperature has risen above a pre-programmed limit. After this alarm
occurs, you must repair the condition which caused the temperature to rise
above the configured limit before resetting this alarm. (See General Settings
Page (page 3-14).)
OK – No High Temperature alarm exists.
Alert! – The temperature monitored within the thermostat has risen
above the pre-set high temperature threshold.
Table 3-1 Thermostat Status Field Descriptions (Continued)
Field Description