Botherm TH26 Installation Instructions

Thermostat Digital TH26
LCD Digital Thermostat can work in Manual mode
or Energy-saving mode. It can be used in electric
heating control system.
Model Current Description
Control and limit
TH26 16A
by double sensors

Parameter

Voltage 230V :
Consumption:<1W
Temperature control range:5-90 ℃
Temperature limitation range:16-60 ℃
Temperature switch deviation:Default 1 ℃
(0.5-10 ℃ adjustable )
Ambient temperature:0-50 ℃
Protection class:IP20
Load capacity:16A
Connecting Cable:RVV0.5
Housing material:Anti-flame PC
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The display interface and user settings

Time period mode
menred
Time period
Anti-freeze function
Mon~Sun
1 2 3 4 5
6 7
Decrease button
Menu button
1 Switch on and off .
Press button .
2 Temperature setting .
Press button to set temperature.
3 Clock setting .
Press button and together for 5s to enter clock setting
mode. Press button to switch parameter and press
button to revise.
4 Manual / Time period mode selection .
Press button to switch between Manual mode and Time
period mode .
5 .Button lock
Press button together for 5s to lock or unlock the
buttons.
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Advanced Settings

These settings are for professional technical personnel.Usually
finished at the initial installation.Press
when the thermostat is switched off,and then switch on the
Manual mode
thermostat to enter Advanced Settings. Press
menu. Press button to exit current operating mode.
Heating
No . Symbol Function
Button lock
Temperature
1
Increase button
calibration
IN: built-in sensor
ON/OFF button
OUT: floor sensor
2
Sensor mode
ALL: controlled by built-in sensor
and limited by floor sensor (Default)
Floor limit
3
temperature setting
4 Switch deviation
Anti-freeze function
5
Set the upper
6
temperature limit
Rest day selection
7
and shut off Weekly
program
ON:
Thermostat status
8
OFF: thermostat stays in the same
when power on
Restore to
9 Press button
factory settings
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Operating mode description

Manual Mode
Thermostat works according to the manual set temperature.
button together
Not controlled by program.
Period Mode
button to switch
Weekly recycle. You can set 4 time periods and corresponding
temperature every day for auto operation.
Time period, temperature, rest days can be programmed upon
the customers' request.
Adjust by button or
Temporary Mode
Thermostat is temporarily switched to manual mode from
Temperature adjustment
current time period mode.
Thermostat will automatically restore to time period mode
when the next time period comes.
Sensor malfunction
It means the internal sensor malfunction
16~60 ℃.Default 45 ℃

Period programming

Hold key for at least 5s to enter period programming
0.5~10 ℃.Default 1.0 ℃
Default OFF
Time
The setting range is
Option
after activation
5~10 ℃ Period
Set range
16~90 ℃ .
1
Default 35 .0℃
5(rest on Sat and Sun. Default)
2
6 rest on Sun ( )
7 ( no rest day )
3
OFF (shut off Weekly program)
thermostat is in off mode
4
mode before power off (Default)
1
until --- is displayed
2
Installation Instructions
when ER0 appears.
Default Default
Symbol
Time Temp.
06 ： 00
20℃
08 ： 00 15℃
17 ： 00 22℃
22 ： 00 15℃
22℃
08 ： 00
23 ： 00 15℃
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