Product Description
Product Description
24V Force Type Control board BW-QK034
Function description | |
1) It is for force type water heater. | |
2) It tests the water flow switch. | |
3) It testes the water pressure switch, and the enter protection under failure. | |
4) It tests the flame and enter protection under failure. | |
5) Over-heat protection. | |
6) It has malfunction&working indication. | |
7) Drives one 3VDC valve | |
8) 20 minutes timing or no timing is optional. | |
9) It is designed with switch power supply.. | |
Main technical parameters | |
Operating voltage range | 85VAC-260VAC |
Ignition current | ≤80mA (3.3V) |
Valve open current | ≥350mA |
Valve Holding current | >4.5mA |
No water pressure confirmation time | 2±1S |
No flame confirmation time | ＜1S |
Valve action pulse width | ≤2S |
Ignition time | 8-10S |
Valve open time after ignition delay | <2s |
Advance cleanning time | 2±1S |
After cleanning time | <1s |
Water pressure inertia time | ≤6S |
Ignition frequency | ≥8Hz |
Ignition distance | ≥6mm |
Ignition energy | ≥1mJ |
Ignition pulse width | ≥12us |
Ignition voltage | ≥12kV |
Max. pre-cleaning time | 8±1S |
Power on/off test | Be normal |
Working ambient temperature | -10℃~70℃ |
Timing | 20min±2min, be optional |
Supply ripple voltage | <200MV |
5V loading test | 1A |
Withstand voltage test | 1800VAC 5mA 3S |
Insulation test | 1KVAC 500MΩ 3S |
ADVANTAGE | |
Annual Qty | 40,000,000pcs |
Annual sales | USD 190,000,000 |
Domestic market share | 37% |
Exporting countries | >30 |
Employee | 1800 |
Engineering staff | 82 |
Quality staff | 56 |
Workshop | 11 |
Production line | 36 |
Key position on every production line | 4 |
Guarantee time | 5 years |
Life | 100,000 cycles |
Trainning for employee | Every two months |
Travel for employee | Every year |
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