Main technical specifications
1)Power supply: AC 220V plus-minus 10%, power consumption: < 5W.
2)Accuracy of tested temperature: Plus-minus 2 degree
3)Range of temperature to be tested: 0~99 degree
4)Power of controllable cycle pump: < 800W
5)Creepage protection of electric heater: 10mA, 0.3S
6)Power of electric heater: <= 1500W

1. ON/OFF button
After turn on, it means the machine is started automatically. The control will display water temperature of water tank, Beijing time. Each functional button is effect. Various work parameters can be set. Press this button after start, stop work and enter into the state of stopping machine. It will display temperature of water tank and Beijing time only. After stop, if press this button, start this machine again.

2. Button of clock
Press this button, flash indication at clock region. Use subscriptive time plus and minus button to adjust correct Beijing time.

3. Subscriptive time button regularly
3.1 Press this button, flash indication at clock region. Use subscriptive time plus and minus button to adjust starting time of electric heating.
3.2 Press this button again, flash indication at clock region. Use subscriptive time plus and minus button to adjust stopping time of electric heating.
3.3 The system has memory function. After the set is finished, it will start electric heating automatically when the set time is reached.
3.4 The heating time of system memory: 17: 00~22: 00 everyday.

4. Button of heat compulsory
4.1 Press this button, start electric heating and relative icon lights;

5. Plus/Minus button for temperature of water tank
This button is used for setting temperature of water tank.

6. Setting button of cycle pump temperature
Press this button, set temperature value for starting cycle pump. Press this button again, the set temperature will increase 1 degree each time, it will be from 2 degree to 15 degree. 6 seconds late, microcomputer will affirm your set value and convert it automatically and display temperature of water tank.

7. Setting button for stopping temperature of cycle pump
Press this button, set temperature value for stopping cycle pump. Press this button again, the set temperature will increase 1 degree each time, it will be from 0 degree to 10 degree. 6 seconds late, microcomputer will affirm your set value and convert it automatically and display temperature of water tank.

8. ON/OFF button of pump forcibly
8.1 Press this button, start cycle pump and relative icon lights;
8.2 Press this button again, stop cycle pump.

9. Display conversion button
Press this button. It will convert to display the temperature of water tank and heat collector. If does not operate within 5 seconds, it will convert to display temperature of water tank.

10. Affirm/Cancel button
It is used for the temperature set of cycle pump and stopping temperature set of cycle pump.

11. Reset button
When system appears abnormal condition, press this button, it will restore the set of delivery.