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Wall-hung Boiler Thermostat

Product Specifications

² Power: two AA* 1.5V alkaline batteries

² Display accuracy:0.5℃

² Probe sensor:NTC(10k)1%

² Contact capacity:

5A/30VDC(HF relay);2A/30VDC(NEC relay)

² Working environment temperature: 0~50°C

² Range of temperature adjustment: 5~35°C

² Range of temperature display:0~40°C

² Output: Switch relay

² Insulating condition: Normal environment

² Running program: Set per 1 week as a cycle

² Installation: Wall mounted or on battery seat

² Size(mm)：140*91*27 and 86*86*29

Working voltage 200~240(V)

Function Description:

Thermostat supplies single heating contact output or single cooling output contact,to get room temperature via sensor and compare with thermostat setting temperature,achieve close and open of output contact,switching temperature difference is 0.5℃

Operation Key

No.	symbols	represent
A	Rotary Press Key	Increasing key,clockwise rotation
B	Rotary Press Key	1.turn on state,short press it to switch anto mode and manual mode 2.turn on state,press it for 3 seconds then move your finger to enter into setting interface. Press it with other key,confirm key.
B	Rotary Press Key	Decreasing key,anticlockwise rotation
C		Power on/off key and children lock key(long press power key for 3 seconds then move finger,lock or unlock children lock)

Main Setting Screen

Mode	Explain
Automatic Mode	Short press ENTER key,display icon,it will work as automatic mode
Manual Mode	Short press ENTER key,display icon,show main screen as right picture.The setting default temperature of main screen shows 23℃.Under unlock state,to set temperature by rotary button via clock wise(+) and anticlockwise(-),getting room temperature by NTC sensor of thermostat,through room temperature and setting temperature contrast,when room temperature lower than setting temperature,it will close heating contact and open cooling contact(icon will display);when room temperature higher then setting temperature,it will close cooling contact and open heating contact(icon will disappear)

Temporary manual mode

under automatic mode and unlock state,rotary button to adjust temperature,it will enter into temporary manual mode,you can set required temperature.If you want to return to automatic mode or manual mode,enter into setting screen to reset it.It work to next interval,then will return to automatic mode automatically,such as it works as temporary mode at 8 o’clock,adjust temperature to 23℃,when it works to 9 o’clock,it will return to automatic mode automatically.

Long press rotary ENTERY key for 3 seconds,enter into setting screen,choose the icon you need to set,rotates the rotary press key to choose the icon you need to set,then press enter key enter into setting,skip the icon that need not set directory.

Mode	Explain
Frost Protection Mode	After enter into setting screen,rotates rotary press key to choose frost protection mode icon,press ENTER key to work at frost protection mode Frost protection mode,default setting temperature is 5℃,it protects pipes from frost.
Holiday Mode	Rotates rotary press key to chooseholiday mode,you can see icon flashing,press ENTER key to enter into holiday mode,see right picture,setting temperature flashing,you can rotate rotary press key to set temperature,such as 15℃.Default temperature is 15℃,then after press ENTER key to set holiday days,rotates rotary press key to adjust days(countdown from holiday starting,back to work at automatic mode after holiday ends),then press ENTER key to confirm and exit mode setting,back to main screen
Children Lock	Long press power on/off key for 3 seconds then move your finger,when lock icon display on screen,rotary press key can’t be used,if it need unlock,press power on/off key for 3 seconds again then move your finger,lock icon disappears,rotary press key can be used again.

Programmable Mode Setting

Wall-hung boiler thermostat can set (comfortable mode) and (energy- saving mode) two kinds of different temperature;it offers P1、P2、P3 three kinds of program to choose

Mode Setting

Rotate rotary press key to choose programmable mode,press ENTER key for one time.

Rote rotary press key to choose one program of P1、P2、P3,press ENTER key to confirm the program you choose,press it again exit and back to last screen;it automatically exit setting after 5 seconds and back to display main screen.

P1:work in manual program:7 days one week,24 hours,different time different temperature,it can be set as comfortable modeor energy-saving mode,low temperature rhombus is energy-saving rhombus,the small black rhombus do not display,high temperature rhombus is comfortable rhombus,the small black rhombus display.(programmable mode refer to manual program mode.

P2:7 days one week,from 22:00-6:00,temperature is energy-saving mode temperature,from 6：00-22：00,temperature is 21℃ comfortable mode temperature,time and temperature is default,they can’t be modified.

P3:from 22:00-6:00,temperature is 17℃energy-saving mode temperature,from 6：00-8：00,temperature is 21℃comfortable mode temperature, from 8：00-16：00,temperature is 17℃ energy-saving mode temperature, from 16： 00-20：00,temperature is 21℃ comfortable mode temperature.time and temperature is default,they can’t be modified. From Monday to Friday is working day.

Weekend:from 22:00-6:00,temperature is 17℃energy-saving mode temperature,from 6：00-22：00,temperature is 21℃comfortable mode temperature,time and temperature is default,they can’t be modified.

Energy-saving Mode Temperature Setting

Rotate rotary press key to choose energy-saving mode,press ENTER key to enter into energy-saving mode temperature setting,you can rotate rotary press key to set temperature,such as 15℃,default is 17℃.press ENTER key again to confirm and back to last screen;it automatically exit setting after 5 seconds and back to display main screen

Comfortable Mode Temperature Setting

Rotate rotary press key to choose comfortable mode,press ENTER key to enter into comfortable mode temperature setting,you can rotate rotary press key to set temperature,such as 21℃,default is 21℃.press ENTER key again to confirm and back to last screen;it automatically exit setting after 5 seconds and back to display main screen.

Timer Setting

At setting screen,rotate rotary press key to choose ,press ENTER key.

Minute flashing,you can rotate rotary press key to adjust value,press ENTER key to confirm.

Hour flashing,you can rotate rotary press key to adjust value,press ENTER key to confirm.

Week Flashing,you can rotate rotary press key to choose week day,press ENTER key to confirm and back to last setting screen;it exits setting automatically,back to display screen.

Manual Program

Enter into setting screen,choose,press ENTER key to enter into manual program.

From 0-23,the choosing rhombus flashing,rotate rotary press key to choose comfortable mode or energy-saving mode,then press ENTER key to confirm,jump to next rhombus,by this analogy,following is the setting of from Monday to Friday;

Notes:set as comfortable modeor energy-saving modelow temperature rhombus is energy-saving rhombus,the small black rhombus do not display,high temperature rhombus is comfortable rhombus,the small black rhombus display.

Advanced Options

Symbol	Setting Item	Parameter Setting Function	Factory Default
A1	Measuring temperature calibration	-9-+9℃	0.5℃accuracy calibration
A2	External sensor limit temperature control hystersis	1-5℃: (SET±0.5℃—SET±2.5℃),default is 2℃ (SET±1℃)	2℃
A3	Children lock setting	0:half lock 1:full lock	0
A4	Programmable and non-programmable options	0:programmable 1:non-programmable	0:programmable
A5	External sensor high temperature limit value	35℃-50℃	45℃
A6	External sensor low temperature limit value(frost protection)	5℃-10℃	5℃

A6	External sensor low temperature limit value(frost protection)	5℃-10℃	5℃
A7	Setting temperature lowest limit value	1-10℃	5℃
A8	Setting temperature highest limit value	30-50℃	35℃
A9	Descaling function	0:descaling function close; 1:descaling function open Descaling function:when valve is continuously closed over 100 hours，it will be opened for 3 minutes automatically.	0:descaling function close
AA	Restore to factory default setting	Display A o, press wind ENTER key whole show

Cautions On Installation And Use

1. To prevent the thermostat display from a high fluctuation, special treatment has been made to the program. Therefore, it is

normal that the thermostat cannot immediately display the sudden change of temperature.

2. The thermostat installed on 1.5m above the ground.

3. For the thermostat installed,please take care not to install it to the wall corner, door / window side or behind the door or in such

unheated area as exterior wall. Avoid hot / cold air duct, radiator, flue or thermal pipe.

4. If you have any problem for the installed ,please contact our company Hysen, we will make a demonstration for you

5. Only the professional technicians are permitted to open the transmitting and receiving box of the thermostat for installation. When install the power supply, make sure that the power cable is well insulated.

6. The thermostat is unrepairable product. The user shall not open the internal circuit board.

7. Before installing the thermostat, make sure that the system is disconnected. The maximum voltage of the system shall meet the requirements specified in the Instruction Manual (Max. AC Voltage: 250V).

Wiring Illustration

Wiring Terminals

Wiring Terminal	Remarks
1	NO (Normally-Open point)
2	NC (Normally-Closed point)
3	COM (Public terminal of relay)

Warranty：

We offer the warranty of 18 months, from the sales day. The products of our company can have lifetime warranty ,if it is not the quality problems, or beyond the warranty period, we will charge for the after-sale service

we will send them in 2-3 days, and the shipment time will be about 10-20 days
Your satisfaction is our first priority. We appreciate your positive feedback
Please don't hesitate to contact us for everything
we will shiped them to worldwild
thanks very mcuh and wish you have a nice day^_^