Use the Emergency Manual Button to Operate the Indoor Unit Without a Remote ControlUpdated 7 days ago
You can operate the indoor unit without a remote controller for emergencies by using the emergency manual button. The emergency manual button is located in different locations based on the system.
Where to find the Emergency Manual Button
Wall-Mounted Systems: Diamante Essenza High-Wall (WYT-17), Diamante Pro High-Wall (WYT-20), Quantum Fresh High-Wall (WYT-FA), Quantum Hyperformance High-Wall (WYT-25), and Quantum Ultra High-Wall (WYT-24): The emergency manual button for high wall-mounted systems is located on the terminal block cover of the unit under the front panel. Open and lift the front panel up at an angle to gain access to the emergency manual button.
Emergency manual button for Wall-Mounted systems
Ceiling Cassette Systems: Quantum Ultra Ceiling Cassette (CYT-24): The emergency manual button for ceiling cassette systems is located on the primary interface module on the unit's front panel. Open and lift the front panel up at an angle to gain access to the emergency manual button. 
Emergency manual button for Ceiling Cassette systems
Ducted Ceiling Concealed Systems: Quantum Ultra Ducted Ceiling Concealed (RYT-24): The emergency manual button for ducted ceiling concealed systems is located on the display module that is wired to the air handler. 
Emergency manual button for Ducted Ceiling Concealed systems
Floor-Ceiling Flex Systems: Quantum Ultra Floor-Ceiling Flex (UYT-24): The emergency manual button is located on the front panel of the unit on the primary interface manual. Open and lift the front panel up at an angle to gain access to the emergency manual button. 
Emergency manual button for Floor-Ceiling Flex systems
Options Available
The following options are available for all systems when using the emergency manual button:
- Press the manual button once to start the system in Cooling mode.
- Press the manual button twice within 3 seconds to start the system in Heating mode.
- Press the manual button three times within 5 seconds to turn off the system.