42
Off -- The system has a single speed (PSC) blower.
On -- The system has a variable speed blower.
Select Off for geothermal applications.
Factory default is OF (Off)
Option 42 — Variable Speed Super Dehumidification
This option will only be available if the Variable Speed Blower setup (Option 41)
has been set to ON.
OF -- The fan output (G) is energized when the compressor is on for cool to
dehumidify functionality.
On -- The fan output (G) is de--energized when the compressor is running for cool to
dehumidify functionality. In this setup the fan will run at very low speed because a
Y/Y2 or Y1/W2 is present but the G signal is not. The fan output (G) will be
energized any time the compressor is energized in response to a cooling demand.
Factory default is OF (Off)
Option 43 — Intelligent Heat Staging
This function is only available if the equipment configuration is a single speed heat
pump (Option 01 = HP).
Off -- Electric heat will not be staged.
On --Three stages of electric heat will be staged.
This switch should be set to On if the HVAC equipment has two banks of strip
heaters. When electric heat is required, the thermostat will energize the smallest
bank first (W1 only), then the larger bank (turning the smaller bank off -- Y1/W2
only), and then both banks together (both W1 and Y1/W2). When power is cycled
to the thermostat, this unit configuration will be displayed as HS.
Factory defaults is OF (Off)
Summary of Contents for A07048
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Page 10: ...8 A13295 Fig 2 Coil Excess Wiring A07685 Fig 3 TP PRH A B Carton Contents ...
Page 15: ...13 A07225 Fig 5 Press Tabs to Remove Backplate A07226 Fig 6 Take Apart ...
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