Trane L8X1B060U3XSAA Installer's Manual page 44

S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n
H H e e a a t t P P u u m m p p
1. R-Y1–G contacts on the thermostat close sending
24VAC to the Y and G low voltage terminals on the
IFC. Technician should read 24VAC between Y-C
and between G-C.
The LED will flash GREEN 2 times.
2. 24VAC is sent to the OD unit via thermostat wiring.
3. After a 6 second "Blower On Delay", the indoor
blower ramps to the HP heating airflow.
44
N N o o t t e e : : The blower on delay can be field adjusted to
45 seconds if desired but cannot be turned
OFF.
4. When the temperature is raised enough to satisfy
the thermostat setting, contacts R-Y1 and R-G will
open.
5. The OD unit shuts off and the indoor blower starts
after a 45 second "Cool Off Delay".
N N o o t t e e : : The 45 second delay is not field adjustable,
and cannot be turned OFF.
18-CE07D1-1C-EN