Timing Charts for Normal Cooling Operation
Example 1: Continuous Call For Low Stage Cooling Only
High
Low
Circulator
Off
Blower
High
Outdoor Fan
Low
And
Off
Compressor
High
Low
Thermostat
Off
(Call For Cool)
Example 2: Continuous Call For High Stage Cooling Only
High
Low
Circulator
Blower
High
Outdoor Fan
Low
And
Compressor
High
Low
Thermostat
(Call For Cool)
Circulator
On
Blower
Off
On
Thermostat
Off
(Call For Fan)
Time (sec)
0
5
35
Off
Off
Off
0
5
35
Timing Chart for Normal Fan Operation
0
5
35
35
(88% of Low)
0
(88% of High)
Time (sec)
0
Time (sec)
0
45
45