Installation Manual

6.3.4.2. Cooling Lockout

Outside temperature below which cooling will not be provided. After the selectio n

is made, touch SAVE.

S Cooling Lockout Temp: None, 45, 50 or 55 (_F)

d 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.

S Set De frost Interval: 30, 60, 90, 120 minutes or AUTO

d 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 communicating outdoor units and with Cooling

Lockout set to NONE. Low ambient kits are not needed with communicating

outdoor units. After the selection is made, touch SAVE.

S Low Ambient Cooling: Yes o r No

d 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.