1 — The user has access to modify setpoints, time of day.

2 — The user has access to change the setpoints only.

3 — The entire keypad is locked. When a button is pressed, the backlight will turn on but none of the operating parameters will be changed.

When the keypad lock selection is turned on, the padlock icon will be displayed. To unlock the keypad, press and hold the UP/DOWN buttons simultaneously for five seconds. When the keypad is unlocked, the padlock icon will turn off. The keypad will remain unlocked for two minutes after the last button press. After two minutes with no button presses, the keypad will lock again. The keypad will not lock in the software configuration mode or in the installer test mode.

Default is OF (off).

Option 21 — Keypad Lockout (non−programmable models only)

This selection allows the installer to limit access to the keypad. Selections are OF (off), 1, 2.

OF (off) — The user has full access to the keypad.

1 — The user has access to change the setpoints.

2 — The entire keypad is locked. When a button is pressed, the backlight will turn on but none of the operating parameters will be changed.

When the keypad lock selection is turned on, the padlock icon will be displayed. To unlock the keypad, press and hold the UP/DOWN buttons simultaneously for five seconds. When the keypad is unlocked, the padlock icon will turn off. The keypad will remain unlocked for two minutes after the last button press. After two minutes with no button presses, the keypad will lock again. The keypad will not lock in the software configuration mode or in the installer test mode.

Default is OF (off).

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Bryant T6-NAC, T6-PAC, T6-NHP, T6-PHP installation instructions Option 21 Keypad Lockout non−programmable models only

T6-PAC, T6-NAC, T6-NHP, T6-PHP specifications

The Bryant T6 series is a line of advanced heating and cooling systems designed to offer exceptional comfort, energy efficiency, and cutting-edge technology for residential and commercial applications. The series includes models such as T6-PHP, T6-NHP, T6-NAC, and T6-PAC, each tailored to meet specific heating, ventilation, and air conditioning (HVAC) needs.

The Bryant T6-PHP (Heat Pump) model stands out with its dual-fuel capability, providing both electric heat pump operation and backup gas heating. This versatility allows for optimal energy use depending on outdoor temperatures, ensuring lower utility bills and consistent comfort. It also features high-efficiency ratings, making it an environmentally friendly choice, while its variable-speed compressor allows for quiet operation and precise temperature control. The T6-PHP is equipped with smart technology that allows homeowners to monitor and adjust settings remotely through mobile applications.

Similarly, the T6-NHP (Natural Gas Heat Pump) variant is designed for regions where natural gas is readily available. This model combines the efficiency of heat pump technology with the reliability of natural gas heating. The T6-NHP features intelligent performance diagnostics that help to optimize operation and reduce maintenance costs, ensuring that the system runs smoothly throughout its lifespan.

The T6-NAC (Air Conditioner) model focuses on delivering exceptional cooling performance. With enhanced energy efficiency ratings, it utilizes environmentally friendly refrigerants and is designed to reduce electricity consumption while providing consistent indoor comfort. The T6-NAC features advanced airflow technology that allows for better distribution of cooled air, improving overall comfort levels in the home.

Lastly, the T6-PAC (Packaged Air Conditioner) is a self-contained system that combines cooling and heating in a single unit, making it ideal for homes with limited installation space. This all-in-one unit features a compact design while still delivering high efficiency and performance. With a programmable thermostat and integration with smart home technology, the T6-PAC ensures user-friendly operation and convenient control.

In summary, the Bryant T6 series leverages state-of-the-art technology, energy-efficient designs, and user-friendly features to provide superior HVAC solutions. Whether it's the versatile heating capabilities of the T6-PHP and T6-NHP or the efficient cooling of the T6-NAC and T6-PAC, these units are engineered to deliver unmatched comfort and reliability for today's homeowners.