公开(公告)号：US20170102723A1

公开(公告)日：2017-04-13

申请号：US15288054

申请日：2016-10-07

Applicant: Trane International Inc.

Inventor： Christopher Blake Smith ,  James Joseph Wiltzius ,  Manas Ranjan Panda ,  Mageshkumar Muthuswamy

IPC: G05D27/02 ,  G05D23/19

CPC classification number: H04L12/28 ,  F24F11/47 ,  F24F11/52 ,  F24F11/56 ,  F24F2140/60 ,  H04L12/6418

Abstract: Improvements to an HVAC thermostat include a fuel control module that estimates a rate of fuel usage by the HVAC system and issues a warning and optionally schedules a fuel delivery or solicits a fuel delivery bid when the on-site fuel supply drops beneath a predetermined level, a nightlight module that illuminates a touchscreen in accordance with at least one nightlight parameter, and a user interface mode control module that selects for display on the touchscreen display, a primary user interface from among a plurality of potential user interfaces based at least in part upon the frequency of use of each of the plurality of potential user interfaces.