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Option 09 — Heat Pump Lockout Temperature Balance Point (only available
when heat pump is used and when outdoor air temperature sensor is present)
This selection is only available on Hybrid Heat systems. A Hybrid Heat system is
selected via the Option 1 Equipment Type configuration. Configurations settings
are: OF (off), 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55.
OF (off) — the heating cycle will always start with heat pump heating.
5to55_F (--15 to 13_C) — the outdoor temperature below which heat pump
operation is not allowed.
When emergency heat mode is selected, only auxiliary heat will operate.
Default is OF (off).
Option 10 — Reversing Valve
This selection is only available on heat pump systems. “O” terminal can be
configured to be energized in either heating mode or in cooling mode, depending
on heat pump operation. “O” is used to describe a heat pump system that energizes
its reversing valve in cooling. “B” is used to describe a heat pump system that
energized its reversing valve in heating.
H — Reversing valve output (O/W2/B) is energized when HEAT mode is selected.
C — Reversing valve output (O/W2/B) is energized when COOL mode is selected.
Default is C.
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