Industrial boiler circuit board program development

Industrial boiler circuit board program development

technical parameter:

1. Low cost

Control air valve, igniter, blower motor, inductor, humidifier and air filter

Use microprocessor/microcontroller based on *** timing

Supports all 24VAC thermostats

100% cut off natural gas in case of ignition failure

Reverse polarity protection

Secondary voltage protection

Simple troubleshooting, can automatically diagnose the fault code (such as LED flashing)

2. Specifications

Ambient temperature

Operation: -140℃ to 80℃

Storage: -20℃ to 85℃

Humidity: 5% to 95%

Voltage range: 68-130VAC

Igniter: 5A, 120VAC

Cooling blower: 10A, 220VAC

Heating: 5A, 220VAC

Motor: 4A, 120VAC

Air valve: 1.5A, 30VAC

Delayed start of hot air blower: 40s

Delayed disconnection of hot air blower: 90s, 135s, 180s and 225s

Fan on/off: 1s

Delayed start of air cooler: 5s

Delayed disconnection of air cooler: 90s

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