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To change the outdoor air sensor calibration/offset
while in the Installer Configuration Menu:
1. Answer NO to all prompts until the outdoor sensor
calibration prompt appears in the display. Press
YES to enter the outdoor sensor calibration menu.
2. Use the UP/DOWN arrow keys to adjust the
correction that should be applied to the sensor
reading. Press YES to store the offset.
The display now shows the heating stage setting
prompt. See Enable/Disable Second Heating Stage
(H Stage) section for instructions.
Enable/Disable Second Heating Stage (H Stage)
This parameter reverts the operation of two-stage
thermostats to a single stage when the second heating
stage is not needed.
To enable or disable the second heating stage while in
the Installer Configuration Menu:
1. Answer NO to all prompts until the setting heating
stages prompt appears in the display. Press YES
to enter the setting heating stages menu.
2. Using the UP/DOWN arrow keys; select 1.0 or 2.0
stages. Press YES to store the selection.
The display now shows the cooling stage setting
prompt. See Enable/Disable Second Cooling Stage
(C Stage) section for instructions.
Enable/Disable Second Cooling Stage (C Stage)
This parameter reverts the operation of two-stage
thermostats to a single stage when the second cooling
stage is not needed.
To enable or disable the second cooling stage while in
the Installer Configuration Menu:
1. Answer NO to all prompts until the setting cooling
stages prompt appears in the display. Press YES
to enter the setting cooling stages menu.
2. Using the UP/DOWN arrow keys, select 1.0 or 2.0
stages. Press YES to store the selection.
The display now shows the heating lockout prompt.
See Setting the Heating Lockout (H lock) section for
instructions.
Setting the Heating Lockout (H lock)
This feature disables heating operation based on
outdoor air temperature (requires outdoor air
temperature sensor to be connected for the function to
be enabled). If the outdoor air temperature is above
the heating lockout temperature, heating operation is
disabled.
10
T600MEP-2 Programmable Economizer Thermostat Installation Instructions
The heating lockout temperature parameter is
adjustable from -15 to 120°F (-26 to 49°C) in
increments of 5 F/C°.
To change the outdoor air temperature heating lockout
while in the Installer Configuration Menu:
1. Answer NO to all prompts until the heating lockout
prompt appears in the display. Press YES to enter
the heating lockout menu.
2. Use the UP/DOWN arrow keys to adjust the
lockout temperature. Press YES to store the value.
The display now shows the cooling lockout prompt.
See Setting the Cooling Lockout (C lock) section for
instructions.
Setting the Cooling Lockout (C lock)
This feature disables cooling operation based on
outdoor air temperature (requires outdoor air
temperature sensor to be connected for the function to
be enabled). If the outdoor air temperature is below
the cooling lockout temperature, cooling operation is
disabled.
The cooling lockout temperature parameter is
adjustable from -40 to 95°F (-40 to 35°C) in
increments of 5 F/C°.
To change the outdoor air temperature cooling lockout
while in the Installer Configuration Menu:
1. Answer NO to all prompts until the cooling lockout
prompt appears in the display. Press YES to enter
the cooling lockout menu.
2. Use the UP/DOWN arrow keys to adjust the
lockout temperature. Press YES to store the value.
The display now shows the number of events prompt.
See Selecting the Number of Events (2/4event)
section for instructions.
Selecting the Number of Events (2/4event)
This feature sets the number of events per 24-hour
period that can be programmed into the daily
schedule.
Two events select one occupied and one unoccupied
period per 24 hours and four events selects two
occupied and two unoccupied periods per 24 hours.
To change the number of events in a 24-hour period
while in the Installer Configuration Menu:
1. Answer NO to all prompts until the number of
events prompt appears in the display. Press YES
to enter the number of events menu.
2. Use the UP/DOWN arrow keys to select 2 or
4 events. Press YES to store the value.
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