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6.3.5. Heat Source Lockout
First touch SETUP, then touch HEAT SOURCE LOCKOUTS to set up the
parameters for the AC/Heat Pump unit.
For hydronic heat applications, this option allows the installer to set the lockout
temperatures below the which only the hydronic coil will operate, and the lockout
temperature above which the hydronic coil will not operate. After the selections are
made, touch SAVE.
A12149
S HP Lockout: Adjustable from --20 to 55_F (--28 to 13_C) or None
d Default = None
S Furnace, Electric Heat or Hydronic Lockout: Adjustable from 15 to 55_F
(--9 to 13_C) or None
d Default = None
S Defrost with Furnace, Electric Heat or Hydronic: Yes or No
d Default = Yes
6.3.6. Stages / Latch for 18VS
For 18VS heat pumps, the cooling and heating stage/latch can be changed. Select
cooling or heating next to stages/latch. The maximum stage and the minimum stage
can be selected. The minimum selected stage can be locked--in or set based upon
the outside temperature.