V1.3 · 09.2017 · Subject to modification
2
EXT-T24-D201 LCD Temperature Controller
Parameter setting
Parameter table
With thermostat off, press “ ” for 10 seconds to enter menu to set the parameters. It will confirm itself 20 seconds later after setting and
return to Off state.
M
r
Description
Default
Range
Step
1
Power on status (0: Off; 1: On; 2: Last status)
2
0 - 2
2-3
N/A
4
Sensor selection (0: Internal; 1: Rem ote)
0
0 - 1
5
Tem perature form at (0: Celsius; 1: Fahrenheit)
0
0 - 1
0.1
6
Tem perature calibration
0
-20.0 -
﹢
20.0
0.1
7
Minim um setpoint
5
℃
/41
℉
0 - 99.5
0.5
8
Maxim um setpoint
35
℃
/96
℉
℉
0 - 99.5
0.5
9
N/A
10
Heating & Auto sleep setpoint
7
℃
/45
℉
0 - 99.5
0.5
11
Cooling sleep setpoint
28
℃
/82
℉
℉
0 - 99.5
0.5
12
N/A
13
Input Signal Mode
0: Invalid
1: N/A
2: therm ostat will be sleep without input signal
3: therm ostat will be Off without input signal
2
0 - 3
14
Heating integral tim e
90 sec.
10 - 300 sec.
10 sec.
15
Cooling integral tim e
90 sec.
10 - 300 sec.
10 sec.
16
Valve m ode (0: Modulation
;
1: On/Off)
0
0 - 1
17
Valve status as turn off (0: Close; 1:Hold; 2: Open )
0
0 - 2
18
Valve Modulation direction(0:10V Open; 1:10V Close)
0
0 - 1
19
Valve Modulation m inim um signal
1 B it
0-128B it (5V /10m A)
0.04V /B it (0.08m A /Bit)
20
Valve Modulation proportional
2
1 - 20
0.5
21-22
Switch
There is a 5-pole DIP switch on PCB. The m eaning is below:
Location
Pole
Default value
1
2
Valve M odulation - 20m A or 0- 20mA
Off
3
Valve M odulation 2- 10VDC or 0 - 10VDC
On
4
5
N/A
N/A
N/A
N/A
N/A
N/A
N/A
1
ON
DIP
2 3 4 5
1
ON
DIP
2 3 4 5
23
Port2 Modulation proportional
2
1 - 20
0.5
24-27
N/A
Note:
Keep last status of Parameter 20:
If Parameter 20 is reset to valule other than default “2” and the value needs to keep upon power reset,
Parameter 23 is needed to set to the same value as Parameter 20.
