Siemens 125-5033 Instrukcja obsługi - Strona 13

Przeglądaj online lub pobierz pdf Instrukcja obsługi dla Kontroler Siemens 125-5033. Siemens 125-5033 35 stron. Two-state constant volume fume hood controller

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Pressing the Emergency Purge button a second time reverts the Fume Hood Controller to

normal operation for the current conditions.

HI/LO: HI/OFF Select button – Pressing this button changes the controller from a high flow

setpoint to a low flow setpoint and back again or changes the controller from a high flow

setpoint to and OFF state and back again.

Auxiliary Button – The Auxiliary buttons are not used currently.

For more information on the ODP, see the Fume Hood Controller Operator Display Panel

User's Card (125-1976).

Laboratory Exhaust Air Terminal

The Laboratory Exhaust Air Terminal is a pre-packaged, easy to install, airflow measurement

and control station. See Figure 5. It combines an orifice plate flow sensor, differential

pressure transmitter, an electronic actuator assembly, or No. 3 pneumatic actuator, and

Analog Output-Pneumatic (AO-P) Module, and butterfly damper in a 20 gauge 316 stainless

steel duct section.

This arrangement provides fast acting, stable, and precise VAV fume hood exhaust airflow

control.

Siemens Building Technologies, Inc.

Figure 4. Operator Display Panel.

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