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Description
(1) Introduction
A4020 series generalValve leakage self-test system is a microprocessor-based design and development. It electric valve to open or close certain logic
mode, and by detecting the pressure difference, it is determined whether the valve leakage. It can be used with Honeywell Corporation
series 7800, series Satronic combustion safety controller, and others with the use of an automatic valve or a double valve subject
check. In the automatic detection process, if found to have a leak valve, start the combustion process will be interrupted, and an alarm. To
to ensure the safe operation of combustion equipment. .
(2) General Properties:
a Dimensions: L * W * H = 97 * 97 * 105mm, weight: 0.65 Kg
b environment:. -10 ℃ ~ 60 ℃; 0 ~ 95% relative humidity
c power supply: 110V / 220V 50Hz; maximum power consumption:. 5 VA
(3) standards and certification:
Gas Appliance Directive (90/396 / EEC)
Low Voltage Directive (73/23 / EEC)
Electro Magnetic Compatibility Directive (89/336 / EEC)
common model:
A4021A1002
A4021A1010
ZL030001
1030002020
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