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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 Defrost 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 or 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
.
NOTE
: This option is not available with variable speed heat pumps.
S
Quiet Shift
: On or Off
d
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 operating noise while in high