Fume Hood Controller Owner's Manual

LAB00140R1

24V COMMON

24V HOT

GROUND

Figure 2. Power Wiring.

TEC0470R1

FLN TRUNK

+ - S

(SHIELD)(SHIELD)

(-) (-)

(+)(+)

Figure 3. Communication Wiring.

Controller LED Indicators

The controller has six Light Emitting Diode (LED) indicators. See Table 2.

 

 

Table 2. Controller LEDs.

LED Type

Label

 

Indication

 

(if present)*

 

 

DO

LED 1 - LED 3

Indicates the ON/OFF status of the DO associated with it. A

 

 

 

glowing LED indicates that the DO is energized.

 

 

 

 

Transmit

TX

 

Indicates, when flashing, that the controller is transmitting

 

 

 

information to the field panel.

 

 

 

 

Receive

RX

 

Indicates, when flashing, that the controller is receiving

 

 

 

information from the field panel.

BST

BST

 

Indicates, when flashing ON and OFF once per second, that

”Basic Sanity Test”

 

 

the controller is functioning properly.

 

 

 

 

Operator Display Panel (ODP)

The Operator Display Panel (ODP) is the interface device between the Fume Hood Controller and the operator. Its main functions are to display normal, warning, and alarm conditions to the operator. The ODP consists of a housing, three Light Emitting Diodes (LEDs), a liquid crystal display (LCD), four buttons, and a portable operator's terminal port. See Figure 4. The ODP buttons function as follows:

Horn Silence button – Pressing the Horn Silence button turns the audible alarm off for the current alarm event.

Emergency Purge button – Pressing the Emergency Purge button removes contaminated air from the fume hood by switching to an emergency exhaust flow level. The internal audible alarm will sound. Emergency Purge automatically overrides any other control mode in the Fume Hood Controller.

4

Siemens Building Technologies, Inc.

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Siemens 125-5033 owner manual Controller LED Indicators, Operator Display Panel ODP, LED Type, Indication, If present

125-5033 specifications

The Siemens 125-5033 is a highly regarded circuit breaker in the world of electrical engineering and power distribution. Known for its robust design and versatile applications, this device offers a host of features that make it suitable for both commercial and industrial use.

One of the main features of the Siemens 125-5033 is its compact size. This allows for easy integration into existing systems without occupying excessive space, making it an ideal choice for facilities with limited room for electrical infrastructure. Its ability to handle high current ratings, typically around 125 amps, ensures that it can support a variety of electrical loads, making it versatile across different applications.

The Siemens 125-5033 employs advanced technologies, such as thermal-magnetic trip mechanisms. This allows for reliable protection against overloads and short circuits. The thermal component of the trip mechanism is designed to react to sustained overcurrent conditions, while the magnetic component responds instantaneously to short circuits. This dual-functionality ensures that the circuit breaker can effectively protect both the conductors and the connected equipment.

In terms of safety, the Siemens 125-5033 comes with advanced arc suppression technologies that minimize the risk of arcing during the circuit interrupting process. This not only enhances the longevity of the breaker but also safeguards personnel working near electrical installations. Additionally, the device features a clear, accessible reset mechanism, making it user-friendly and easy to operate in case of an interruption.

Another notable characteristic of the Siemens 125-5033 is its built-in ground fault protection option. This capability provides an added layer of safety, ensuring that any ground faults are detected and addressed promptly. It is particularly useful in environments where moisture or dust can compromise electrical safety.

The Siemens 125-5033 also boasts compatibility with various monitoring and control systems, enabling seamless communication and integration into smart building management systems. This feature allows facility managers to monitor power usage, identify potential issues, and optimize energy consumption effectively.

Overall, the Siemens 125-5033 circuit breaker is a reliable, safe, and technically advanced choice for those looking to enhance their electrical systems. Its compact size, dual-trip mechanism, ground fault protection, and compatibility with modern technologies make it a valuable asset for any facility looking to improve its electrical safety and efficiency.