Remotec ZTS-110 Z-Thermostat User Manual page 17

Note:
Explanations of Swing and Differential set point
HEAT mode: thermostat controls the temperature according to the following diagram
Output
nd
2 Turn on
1
Off
Example for Heating: (Set point = 70 °F, Swing = 1 °F, Differential = 2 °F)
=> 1st stage heater turns on when room temp is 69 °F and off at 71 °F.
=> 2nd stage heater turns on when room temp is 67 °F and off at 70 °F.
COOL Mode:
thermostat controls the temperature according to the following diagram
Off
Example for Cooling: (Set point = 80 °F, Swing = 1 °F)
=> Cooler turns on when room temp is 81 °F and off at 79 °F.
AUTO: thermostat controls the temperature according to the following diagram
Output
nd
2 Turn on
1
Off
Set point
nd
2
st
Turn on
Diff Swing Swing
Set point
Turn off
Swing
Heat Set point
nd
2
st
Turn on
Diff
swing
Turn off
st
1 Turn off
Turn on
Turn off
st
1 Turn off
Dead band
17
Heat
Temperature
SD= switch differential
Cool
Temperature
Cool Set point
Heat
Temperature
swing