US 6,981,383 B2 | ||
Zone damper fault detection in an HVAC system | ||
Rajendra K. Shah, Indianapolis, Ind. (US); and Christopher M. Puranen, Noblesville, Ind. (US) | ||
Assigned to Carrier Corporation, Farmington, Conn. (US) | ||
Filed on May 07, 2004, as Appl. No. 10/841,281. | ||
Claims priority of provisional application 60/537693, filed on Jan. 20, 2004. | ||
Prior Publication US 2005/0155365 A1, Jul. 21, 2005 | ||
Int. Cl. F25B 49/00 (2006.01); F25D 17/04 (2006.01); G05D 23/00 (2006.01) |
U.S. Cl. 62—129 | 10 Claims |
1. A method of determining the condition of a damper from a remote location comprising the steps of:
(1) providing a zoned HVAC system including a plurality of zone ducts each including a damper and providing a single control
for operating each of said plurality of dampers;
(2) utilizing said control to drive at least one of said dampers between an open and closed position, and leaving at least
one other of said plurality of dampers at an initial position, and monitoring a system condition during said movement of said
at least one of said dampers; and
(3) identifying a damper fault if said system condition does not change as expected as said at least one of said dampers moves
between said open and closed positions.
|