Patent ID: 11867420
Assignee: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  G  H | IPC F  G  H

Claim 7:
8. A device for use in a heating, ventilation, or air conditioning (HVAC) system, the device comprising:
one or more circuits configured to:
retrieve a control decision from a remote computing system via a first network responsive to determining that a connection to a thermostat via a local wireless network cannot be established, wherein the control decision is based on a setpoint provided via a user device to the thermostat via a local wireless connection using the local wireless network and to the remote computing system via the first network, the control decision determined by the remote computing system performing a control algorithm that outputs the control decision based on the setpoint;
generate a control signal for HVACequipment based on the control decision; and
provide the control signal to the HVAC equipment to affect operation of the HVAC equipment, wherein the device comprises an adapter unit coupled to the HVACequipment;
wherein determining that the connection to the local wireless network cannot be established comprises determining that a wireless connection between the adapter unit and the thermostat cannot be established, and
wherein the thermostat is a headless thermostat device structured without a display and without any mechanism for manually receiving control inputs from a user.