Thermostat Output Table - Lennox ComfortSense 3000 Series Operation Manual

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 8 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.
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 3 provides details of the L3021H thermostat output
states for various input conditions.
Table 2. Thermostat Outputs
Condition
Gas Heat, Auto Fan
Heat Demand
Cool Demand
No Demand
Gas Heat, Continuous Fan
Heat Demand
Cool Demand
No Demand
Electric Heat, Auto Fan
Heat Demand
Cool Demand
No Demand
Electric Heat, Continuous Fan
Heat Demand
Cool Demand
No Demand
NOTE -
• X = output is activated with 24VAC
W1 Y1 G
X
X X
X X
X X
X
X X
X X
X X
X X
X
6