Start-Up Sequence Of Operations - Lennox CS7500 Installation And Setup Manual

Start-Up Sequence of Operations

RUN EQUIPMENT
ING MODE
RUN EQUIPMENT
ING MODE
DEACTIVATE ALL
EQUIPMENT
ONE OR BOTH
Figure 16. Thermostat Operation with Humiditrol® EDA Enabled
START
YES Is
there a cooling
demand
?
NO
Is
YES
there a heating
demand
?
NO
Is
there a
NO
dehumidification
demand
?
YES
Is
EITHER true:
outdoor temp. > 95ºF;
TRUE
indoor temp. < 65ºF
?
RUN
HUMIDITROL
fort Adjust setting
is:
NEITHER
IS TRUE
28
29
MAX Is indoor YES
temperature > 2ºF
above heating set
point
?
NO
Is
MID
indoor temp.
greater than the heat
setpoint plus the cool
setpoint divided by 2?
NO
Is indoor
temp. < 2ºF below
cooling set point
MIN
?
NO
YES
YES