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Option 22 — High Cool Latch Temperature
An outdoor sensor is required for high cool latch feature.
This selection is only available when Option 1 is set to H2, A2, or h2 and when
Option 7 (zoning) is set to OF (off). Configuration settings are OF (off), 80, 85,
90, 95, 100, 105, 110, On.
OF (off) — Cooling always starts in low stage (Y1) and stages up to high stage
(Y1 and Y/Y2) when demand is sufficient and staging timer constraints have
been satisfied.
80-- 110_F — Outdoor temperature above which both first and second stages of
the compressor are energized to satisfy all cooling demands. When a cycle starts
under a high cool latch, it will finish the cooling cycle on high stage. If the
cooling equipment is energized to satisfy a dehumidify demand only (no cooling
demand), the latch will not be applied.
On — The Y1 and Y/Y2 outputs are simultaneously energized to satisfy all
cooling demands.
Default is OF (off).
Option 23 — High Heat Latch Temperature
This selection is only available when Option 1 is set to H2, or h2 and Option 7
(zoning) is set to OF (off). Configuration settings are OF (off), 20, 25, 30, 35, 40,
45, 50, On.
OF (off) —Heating always starts in low stage (Y1) and stages up to high stage
(Y1 and Y/Y2) when demand is sufficient and staging timer constraints have
been satisfied.
20-- 50_F — Outdoor temperature below which both first and second stages of
the compressor are energized to satisfy all heating demands. When a cycle starts
under a high heat latch, it will finish the heating cycle on high stage.
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