Default Thermostat Settings - Lennox ComfortSense 3000 Series Operation Manual

status, maintenance reminder status, and equipment
protection timers). After 24 hours of power loss, programmed
settings will be lost and replaced with default settings.
IMPORTANT
Power must be applied for at least six consecutive hours
prior to a power loss in order for memory to be retained
for the specified time.
LCD Backlight
Activated for 30 seconds when any button is pressed.
NOTE: During an electrical storm or similar disturbance, the
back-light may activate for a few seconds. This is
normal and will no longer occur after the electrical
disturbance has passed.

Default Thermostat Settings

Thermostat Operating Conditions
35°F to 105°F, 5% to 90% RH
Thermostat Storage Conditions
-40°F to 185°F, 5% to 95% RH
Thermostat Output Table
Table 5 depicts the L3532H thermostat output states for
various input conditions. The following notes described
terms used in the table.
NOTES:
• X = output is activated with 24VAC.
• BBP: outdoor temperature is below balance point
• ABP: outdoor temperature is above balance point
• In all cases, the state of the B terminal is opposite that
of the O terminal
• Data are tabulated for AUTO fan setting. If the fan set-
ting is ON, the G output is activated in all cases
• Upstage timers:
• 30 minutes (when upstaging from small to large de-
mand)
• 15 minutes (HEAT MODE ONLY - when upstaging from
large to very large demand)
• The temperature ranges expressed in the following defi-
nitions of "SMALL/LARGE/VERY LARGE" demands are
for guidance only; actual temperatures may vary:
With a small HEAT demand, temperature iis
below setpoint –0.5F but above setpoint –1.5F AND
30-minute upstage timer HAS NOT expired.
With a large HEAT demand, temperature is less than
setpoint –1.5F OR 30-minute upstage timer HAS
expired.
With a very large heat demand, temperature is below
setpoint –2.5F OR 15-minute 2nd upstage timer HAS
expired.
Emergency heat demand (only if emergency heat is
enabled): temperature is below setpoint –0.5F.
With a small COOL demand, temperature is above
setpoint +0.5F but below setpoint +1.5F AND
30-minute upstage timer HAS NOT expired.
With a large COOL demand, temperature is above
setpoint +1.5F OR 30-minute upstage timer HAS
expired.
Table 5. Thermostat Outputs
Condition
SMALL
LARGE
No Demand
w/Electric Backup (no outdoor sensor)
SMALL
LARGE
Very LARGE
Emergency
No Demand
w/Gas Backup (dual fuel; no outdoor sensor)
SMALL
LARGE
Very LARGE
Emergency
No Demand
w/Electric Backup (outdoor sensor attached)
SMALL (Above Balance
Point)
LARGE (ABP)
Very LARGE (ABP)
SMALL (Below Balance
Point)
LARGE (BBP)
Very LARGE (BBP)
Emergency
Demand
w/Gas Backup (dual fuel; outdoor sensor attached)
SMALL (ABP)
LARGE (ABP)
Very LARGE (ABP)
SMALL (BBP)
Very LARGE (BBP)
Emergency
No Demand
9
W1 E Y1 Y2
Cooling Demands
X
X X
Heating Demands
X
X X
X X X
X
X
X X
X
X
X
X X
X X
X
X X
X X X
X
X
X X
X
X
X
X
G O
X X
X X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X