Carrier 33tbac01 Installation Manual Top

Press and hold specific key combinations (usually the Mode and Up buttons simultaneously for 3 seconds, depending on the exact firmware revision) to enter the installer setup menu. Use the and Down buttons to change options. Press Mode or Next to advance to the next step code. Key Configuration Codes System Type: Set to conventional (0) or heat pump (1).

[ 230V LINE POWER ] | | (Line) (Neutral) | | +-----v-------------v-----+ | [L] [N] | <-- Carrier 33TB-AC01 Main Terminals | | | [H] [M] [L] [V1] | <-- Control Output Terminals +---|-----|-----|------|--+ | | | | | | | +----> Water Valve Actuator (Open/Close) | | | v v v [High/Med/Low Fan Speed Terminals on Fan Coil Unit] Terminal Wiring Map: carrier 33tbac01 installation manual top

: Controls the water valve actuators (for 2-pipe or 4-pipe changeover designs). Press and hold specific key combinations (usually the

The 33TBAC01 has built-in diagnostic features. If the red LED (group on the right) flashes, it indicates a sensor fault (e.g., failure of the internal sensor or water temperature sensor). Key Configuration Codes System Type: Set to conventional