Option 18 — Backlight Configuration

When OF (off), the backlight will be lit for 10 seconds after a button is pressed. After 10 seconds of no button presses, the backlight turns off. When On, the backlight will normally be on and dim in appearance. The backlight brightness becomes brighter when a button is pressed. After 10 seconds of no button presses, the backlight will return to the dimmer level until another button press occurs. The range of brightness is 1 through 5 with 5 being full brightness.

Default is 3.

Option 19 — Dry Contact Configuration (programmable models only)

There are 3 available selections, OF, 1 and 2. OF — The dry contact is always de-energized.

1 — The dry contact will be energized for the specified number of minutes per hour. This selection is programmable by period. When this selection is changed from OF to 1, the period icons are shown and the minute segments of the clock display are shown. The triangle icon next to the WAKE period will be on and a value between 0 and 60 will be shown in the minutes display. See Operational Information and Wiring Diagrams for further explanation of dry contact configuration and use. To change the period or minutes, press the soft key below the period or minutes and then use the UP/DOWN buttons to change to the desired value.

2 — The dry contact will operate as a DEHUM relay. This relay is reverse logic. When the humidity level is above the dehumidify setpoint, the dry contact D1-D2 will be opened. When the humidity level is below the dehumidify setpoint, D1-D2 will be closed. There is a +/- 2% hysteresis around the dehumidify setpoint to prevent rapid on/off cycling of the DEHUM output. When configured for dehumidification, the Rc terminal must be connected to one of the dry contact terminals. This provides power to energize the dehumidify

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Bryant A07044, A07045 Option 18 Backlight Configuration, Option 19 Dry Contact Configuration programmable models only

A07045, A07044 specifications

Bryant A07044 and A07045 are two advanced air conditioning units designed for both residential and commercial applications. These models are specifically engineered to provide high-efficiency cooling and optimal indoor comfort. With a focus on innovative technologies, they deliver reliability and performance that meet the demands of today's energy-conscious consumers.

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