MICRO-AIR EasyTouch - General Settings

Micro-Air, Inc. Page 16 EasyTouch Operations Manual
Rev 3.0 4/3/17
9.2 FAMU Sequence of Operation
A general overview of the FAMU DX Sequence of Operation is shown in Figure 11, and a general
overview of the FAMU CW Sequence of Operation is shown in Figure 12.
Figure 11 - FAMU DX Sequence of Operation
Start
Read
Intake
Sensor
(T
I
& RH
I
)
T
I
≥ (T
SP
+ Diff1)?
DP
I
>=
(DP
SP
+Diff2)?
Calculate
Dew Points
(D
PI
& DP
SP
)
Turn On
Compressor
T
E
< (T
SP
– Diff3)?
T
E
> (T
SP
+ Diff3)?
T
I
<= T
SP
? DP
I
<= DP
SP
?
Turn Off
Compressor
Increase
Electric Heat
Decrease
Electric Heat
Elec Heat
Update Interval
Expired?
Yes Yes
No
No
Yes Yes
No
Yes
No
No
Yes Yes
No
No
FAMU DX Operation Flowchart
Symbol Key:
T
SP
= Set Point Temperature
DP
SP
= Set Dew Point
T
I
= Intake Temperature
DP
I
= Intake Dew Point
RH
I
= Intake Relative Humidity
T
E
= Exhaust Temperature
Diff1 = Cooling Control Differential
Diff2 = Dew Point Control Differential
Diff3 = Heating Control Differential