Table 6: IS settings
Menu item Description
Setting options
Default
56
Fan delay
0 seconds to 10 seconds
0 seconds
57
Unoccupied dry contact polarity NO: Normally open
NC: Normally closed
NO
58
Unoccupied action
1: Set point change
2: OFF mode
1
59
Unoccupied heat set point
(unavailable if AvMode = cool
only or if setpoint action = OFF)
60°F (16°C) - Max heat set
temperature
60°F (16°C)
60
Unoccupied cool set point
(unavailable if AvMode = heat
only or if setpoint action = OFF)
Min cool set temp – 80°F (27°C) 80°F (27°C)
61
Time delay from occupied to
unoccupied mode
2: 2 minutes
30: 30 minutes
2
62
Override timer from
unoccupied to occupied mode
by button press
OFF: No override allowed
1-24: 1-24 hour
OFF
Ex-factory reset
You can reset the thermostat through the Ex-Factory Reset function. To reset the thermostat,
complete the following steps:
1. Press
Mode
to set the thermostat to OFF mode.
2. Press and hold
Mode
and
Fan
for 5 seconds to access the advanced settings menu.
3. Press
Up
to navigate to 99, then press
Mode
to enter the menu.
Alternatively, you can access the Ex-Factory Reset menu directly when the thermostat is in OFF
mode. To do this press and hold
Mode
,
Fan
, and
Up
for 5 seconds.
4. Press
Up
or
Down
to change the menu option to
Yes
.
5. Press
Mode
to confirm and reset the thermostat.
Result
Your thermostat resets to the factory settings. An ex-factory reset deletes all stored data on
the thermostat including temperature preferences, schedules, and any other adjusted settings.
Frost and overheat protection
The frost and overheat protections is set to ON by default. You can set the frost protection
temperature and overheat protection temperature in the installer configuration settings. Frost
Protection calls for heat whenever the temperature is below the frost protection limit. The
thermostat switches to OFF mode when the temperature reaches 2°F above the frost protection
temperature.
Overheat Protection calls for cool whenever the temperature is above the overheat protection
limit. The thermostat switches to OFF mode when the temperature returns 2°F below the overheat
protection temperature.
13
FCP Non-Programmable and Programmable Fan Coil or PTAC Thermostat Largo User Guide