Operating Modes - Lennox comfortsense 7500 User Manual

OPERATING MODES

1. HEAT/COOL allows the thermostat to switch
between heating and cooling automatically.
2. HEAT ONLY allows only heating demand.
3. COOL ONLY allows only cooling demand.
4. OFF indicates system has been turned off.
5. EMERGENCY HEAT allows heat pump sys­
tem to use a secondary heat source to come
on and reach the desired user temperature
setting faster.
6. SCHEDULES (up to three), FAN-ON, AU­
TO and CIRCULATE (see Edit Schedules on
page 15 for customizing schedules).
7. ON, AUTO and CIRCULATE - Select by
pressing the desired fan operation ON, AU­
TO and CIRCULATE. When selected a green
check mark will be indicated.
If FAN mode AUTO, ON or CIRCULATE was se­
lected during scheduling for the current period, the
thermostat will indicate the current fan mode in the
information display (FAN ON or FAN CIRC).
In the CIRCULATE mode, the user can cycle the
fan for a programmed period time of active time per
hour during periods of equipment inactivity (i.e.,
heating or cooling equipment not running).
Table 2. Fan Operation
on
auto
circu­
late
11
Fan is NOT following the
schedule and runs contin­
uously until it is changed
from the select mode.
Fan will follow the fan set­
ting in the selected sched­
ule.
Fan is following schedule
and cycles during periods
of equipment inactivity.
Circulate off time
dependent on
settings.
is
user