Dehumidification Function - Taie FY400 Operation Manual

11.5

Dehumidification Function

Description
The FY 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
PV < RHTC use RHPO as manipulated output value
scale(%)
100.0
15.0
RHPO
RHTC
Parameter
Parameter Symbol
*RHTC
*RHPO
* This parameter is multi-display, wnen OUTY≠3 display RHTC
* This parameter is multi-display, wnen PROG=OFF display RHPO
Example
After the controller is turned on, when the PV does not reach 50°C, output will be 20% of the operation time. 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
4 SET5.3
1 SV
3 RHTC
3 RHPO
37
COUT
temperature
Content
Dehumidification temperature
If PV less than RHTC manipulated
value = RHPO
(Please refer to Chapter 11.5)
Dehumidification manipulated value
0 : OFF disable dehumidification
function
Other values : 0.1~100.0
manipulated value
(Please refer to Chapter 11.5)
Set value
Display parameter RHTC、RHPO
1
100.0 Target temperature
Execute de-humidifying function when PV is
50.0
lower than this temperature
20% operation output when executing
20.0
de-humidifying function
Range
M A X M N I
200.0 0.0
100.0 OFF
Description
Default Level
D
0.5 Level 3 SET5.3
OFF Level 3 SET5.3
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