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Explanations of Set point, Swing, Differential and Dead band
HEAT mode: Thermostat controls the temperature according to the following diagram
Example: If Heat Set point = 70°F, Swing = 1°F, Differential = 2°F, then
st
=> 1
stage heater turns on when room temp is 69°F and off at 71°F.
nd
=> 2
stage heater turns on when room temp is 67°F and off at 70°F.
Output
o
67
F
nd
2
stage
Turn on
Off
COOL mode: Thermostat controls the temperature according to the following diagram
Example: If Cool Set point = 80°F, Swing = 1°F, Differential = 2°F, then
st
=> 1
stage cooler turns on when room temp is 81°F and off at 79°F.
nd
=> 2
stage cooler turns on when room temp is 83°F and off at 80°F.
Output
o
77
F
Off
AUTO mode: Thermostat controls the temperature according to the following diagram.
Press + / - buttons to adjust the appropriate set point. It will adjust the set point that is
closer to the current room temperature.
If the current temperature is close to heat set point, then it will change the heat set point value.
If the current temperature is close to cool set point, then it will change the cool set point value.
If the difference between the two is equal, then it will change the heat set point value by default.
There is a dead band 4°F/2°C (by default) between heat set point and cool set point. If user select
heat set point is 73°F, then the minimum of cool set point will be limited to 77°F.
Set point
o
o
o
68
F
69
F
70
F
nd
2
Turn off = Set point
st
1
stage
Turn on
Diff
Swing
Swing
Set point
o
o
o
78
F
79
F
80
F
nd
2
stage
Turn off = Set point
st
1
stage
Turn off
Swing
Swing
o
o
o
71
F
72
F
73
stage
st
1
stage
Turn off
o
o
o
81
F
82
F
83
2
Turn on
st
1
stage
Turn on
Diff
16
o
F
74
F
Heat
Temperature
o
F
84
F
nd
stage
Cool
Temperature
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