Dungs GGAO-A4-4 설치 지침 - 페이지 4

{카테고리_이름} Dungs GGAO-A4-4에 대한 설치 지침을 온라인으로 검색하거나 PDF를 다운로드하세요. Dungs GGAO-A4-4 5 페이지. Differential gas pressure switch

Operation & Adjustment

Adjusting the Set Point

1. Remove the clear cover � from the switch.

2. Adjust the switch to the desired set point by turning the

dial. The black arrow on the dial indicates the set point �.

3. After adjusting the set point, verify that the pressure switch

operates as intended by using an accurate pressure gauge

connected upstram of the switch.

4. Replace the clear cover.

Automatic Reset and Operation

The NC contact of the GGAO-A4... breaks when pressure

rises above the set point. It makes automatically when pres-

sure falls below set point.

1. Remove the clear cover from the switch.

2. Use 14 or 16 AWG wire rated for at least 75 °C.

3. Route the wires through the conduit connector.

4. Connect the wiring to the appropriate screw terminals.

5. Replace the clear cover from the switch.

All wiring must comply with local electrical

codes, ordinances and regulations.

Do not exceed the switch ratings given in the

specifications and on the switch.

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Switching function

As pressure rises above

setpoint:

1 NC opens, 2 NO closes

As pressure falls below

setpoint:

Medium Pressure

2 NO opens, 1 NC closes

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