5407934-UIM-C-1119
Johnson Controls Ducted Systems
45
TABLE 10:
System Settings: 2-Stage AC/HP Systems
Name
Default
Setting
Available
Settings
Explanation
Balance
Point
35°F
0°F, 10°F, 15°F,
20°F, 25°F, 30°F,
35°F, 40°F, 45°F
Prevents the operation of auxiliary
heat above the specified tempera-
ture
Low Tem-
perature
Cutout
(LTCO)
ON
ON, -20°F, -10°F
0°F, 10°F, 15°F,
20°F, 25°F, 30°F,
35°F
Prevents compressor operation
below the specified temperature
Switch Point
35°F
35°F, 40°F, 45°F
Works in conjunction with the
Forced Second Stage feature of the
hot heat pump to allow more comfort
Compressor
Delay
OFF
OFF or ON
Enables or disables the Compressor
Delay feature. This feature allows
for smooth transitions and proper
cycling of the reversing valve.
Hot Heat
Pump
OFF
OFF or ON
Enables or disables the Hot Heat
Pump feature. This feature provides
increased discharge air tempera-
tures by reducing indoor blower
speed while forcing the outdoor unit
into a higher stage for increased
comfort.
Y2 Lock
OFF
OFF or ON
Enables or disables the Y2 Lock fea-
ture. This feature only applies to
second-stage compressor opera-
tion that is initiated based on the
thermostat signals. This feature
does not apply to the Hot Heat
Pump functionality.
Defrost
Temp
70°F
50°F, 60°F, 70°F,
80°F
If necessary, you can increase this
temperature setpoint for more
aggressive defrost operation.
Fossil Fuel
OFF
OFF or ON
The jumper can be set to ON or
OFF. The jumper is in the ON posi-
tion for a fossil fuel furnace installa-
tion.
Demand
Response
Disabled
Disabled,
Enabled (Open),
Enabled (Closed)
Enables or disables the Demand
Response feature
Demand
Response
Action
4°F
4°F, 6°F, 8°F,
10°F, Shut Down
When Demand Response is active,
the thermostat updates the setpoint
to the selected temperature value.
