Dehumidification Function - Taie FY400 Operation Manual

11.5 Dehumidification Function

Description
The FY/FA series controller provides dehumidification function to protect the heater. When the power is turned on, the heater is
dehumidified with low power. When the dehumidification is completed, the normal power is output to the heater.
Function Diagram
Time < RH.TM use RH.PO as manipulated output value
MV(%)
100.0
RH.PO
Parameter
Parameter Symbol
RH.TC
RH.PO
RH.TM
Example
After the controller is turned on, when the PV does not reach 50°C, manipulated value fixed in 20%. When the time
exceeds 15 minutes or the PV is greater than 50°C, the controller will produce output of normal PID gain.
Parameter setting
Level Parameter
1 SV
Fast RH.TC
Fast RH.PO
Fast RH.TM
FY operation manual
Time
RH.TM
Content
Dehumidification temperature
If PV less than RHTC manipulated
value = RHPO
Dehumidification manipulated value
0 : OFF disable dehumidification
function
Other values : 0.1~100.0
manipulated value
Dehumidification time
time format : min.sec
Set value
100.0 Target temperature
Execute de-humidifying function when PV is
50.0
lower than this temperature
When executing dehumidification function
20.0
the manipulated value fixed in 20%
15.00 Max dehumidification function time
PV < RH.TC use RH.PO as manipulated output value
Range
MAX MIN
200.0 0.0
100.0 OFF
COTI 0.00
Description
Default Level
Display
125.0 Fast
OFF Fast
15.00 Fast
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