Carrier bryant Evolution Connex Control SYSTXBBECC01-C Installation Instructions Manual page 44

• Cooling Lockout Temp: None, 45, 50 or 55 (°F). Default = None
NOTE: When simultaneous heating and cooling demand feature is on,
the cooling lockout shall be ignored.
6.3.4.3. Defrost Interval
Time interval at which defrost cycles can occur on a heat pump. AUTO
means the defrost interval is optimized by the outdoor control. After the
selection is made, touch SAVE.
• Set Defrost Interval: 30, 60, 90, 120 minutes or AUTO. Default =
AUTO
NOTE: See Heat Pump Installation Instructions for Defrost Timing
Interval when using AUTO Defrost.
6.3.4.4. Low Ambient Cooling
Selecting YES will enable the low ambient cooling operation in the
outdoor unit. This setting is only available with compatible
communicating outdoor units and with Cooling Lockout set to NONE.
Low ambient kits are not needed with many communicating outdoor
units. Refer to the outdoor unit Product Data or Installation Instructions
for more information. After the selection is made, touch SAVE.
• Low Ambient Cooling: Yes or No. Default = No
6.3.4.5. Quiet Shift
This option turns on Quiet Shift function in 1-stage or 2-stage
communicating heat pumps. After the selection is made, touch SAVE.
NOTE: This option is not available with variable speed heat pumps nor
geothermal units.
• Quiet Shift: On or Off. Default = Off
6.3.4.6. AC/Heat Pump RPM Max
Used with variable capacity heat pumps, this option clamps the
operating speed of the heat pump to this maximum. Used to reduce
44