CSA approval Constant Temperature Water Heater Control Board BW-HK002R

Main technical parameters

Working voltage range

90VAC ~ 120VAC

Rated voltage

120VAC  60Hz

Power frequency

50/60Hz±5%

Rated frequency

50Hz

Dielectric strength(V/1min)

1800V, 0.5mA, 3S

Working ambient temperature 

-10℃~70℃

Ambient temperature

-20℃~70℃

Life cycle

≥50,000 times

Temperature setting range

35-65℃

High temperature protection

when the output water temperature ≥85℃ for 3S

Pre- cleaning time

2S

After cleaning time

20s

Start-up water flow

≤3L/min

Closing water flow

≤2.5L/min

Ignition time

8±1S

Cleaning time before 2nd ignition

3S

Max. allowable No. of ignition 

2

Valve moving pulse

0.5±0.05S

24V Valve open voltage

≥24V

24V Valve holding voltage

≥8.5V

Output voltage of switch power supply

5VDC (with 300mA working current)

30±1.5VDC(with 510mA working current)

12±1VDC(with 110mA working current)

Ion sensibility of flame detection

≥5.1MΩ

Temperature detection precision

±2℃

Waiting time of reaching setted temperature

≤35S

Water temperature overshoot range

±3℃

Timing tolerance

±1 minutes

Post-purge time

 20±2s

Time to achieve safe shut down

 ＜1s

Trial for ignition period

7.5±1s