Emerson 7000 SERIES 7ADTB Isolating the ATS, Turn crank Counter Clockwise Until Window Shows

Page 9

BYPASSING & ISOLATING

(continued)

ISOLATING THE ATS

Isolating is required before any service work can be performed on the automatic transfer switch (ATS). Refer

CONN

position window

to Figures 3–4, 3–5, 3–6, and 3–7.

1.Bypass the closed automatic transfer switch contacts. See BYPASSING on page 3–1.

Align position indicator. Do not leave the handle in an intermediate position.

2.Turn the Isolation Handle counterclockwise (approx. 16 turns) until window shows TEST. The ATS can be tested now without load interruption (see page 2–1).

Bypass Switch

E

Turn crank

 

counter-

 

clockwise

L

until

 

window

 

shows

 

TEST.

 

 

N

Automatic Transfer

Switch

Figure 3–4. CONNECTED to TEST position.

3.Continue turning Isolation Handle counterclockwise (approx. 7 turns) until the window shows ISOLATE.

Bypass Switch

E

Turn crank

 

counter-

 

clockwise

L

until

 

window

 

shows

 

ISOLATE.

 

 

N

Automatic Transfer Switch

 

Figure 3–5. TEST to ISOLATE position.

 

4.Open the lower enclosure door. Pull out the side rail carriage then roll out the transfer switch. It can be safely inspected in this position. The transfer switch can also be removed for easier maintenance opera- tions.

TEST

ISOLATE

unfold crank

counterclockwise – draws out

transfer switching device

Figure 3–6. Isolation Handle.

NOTE: In the TEST position the transfer switching device solenoid operator circuit is energized through secondary disconnects.

Hazardous voltage capable of causing

electrical shock, burns, or death;

do not touch any control circuit terminals.

Figure 3–7.Transfer switching device isolated

and pulled out for inspection.

See page 2–2 for maintenance handle use. A lifting yoke kit 607064 is available to facilitate lifting by using an overhead crane or similar equipment.

Transfer Switch weighs 350–450 lbs.

Use lifting device 607064 or other device capable of lifting this weight to avoid personal injury or equipment damage.

3---2

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Contents Nameplate Rating LabelCatalog Number Identification 1600Remove three Shipping Angles From the Transfer Switch InstallationRemove the Shipping Skid Supporting foundation and mountingInstallation Voltage Checks Functional TestElectrical Operation Turn and hold Transfer Control switch clockwise to TransferPreventive Maintenance Testing & ServiceDisconnecting the Controller Replacement PartsTROUBLE-SHOOTING Testing & ServiceTrouble-Shooting Checks Maintenance HandleBypassing the ATS Bypassing & IsolatingTo Bypass Normal Source To Bypass Emergency SourceTurn crank Counter Clockwise Until Window Shows Isolating the ATSConn Test IsolateReturn to Service Turn crank Clockwise Until Window ShowsTurn crank clockwise until window shows Conn connected To Un-Bypass Normal Source Return to ServiceBypass Handle Turn it Counter Clockwise To Un-Bypass Emergency SourceSee Controller User’s Guide Index

7000 SERIES 7ADTB specifications

The Emerson 7000 Series 7ADTB is a state-of-the-art temperature transmitter designed for industrial applications that require high precision and reliability. As part of the renowned 7000 series, the 7ADTB model combines advanced digital technology with robust construction, making it an essential tool for temperature measurement in sectors such as oil and gas, chemical processing, pharmaceuticals, and food production.

One of the standout features of the 7ADTB is its exceptional accuracy. With a measurement range that adapts to various sensor types, including thermocouples, RTDs, and thermistors, the transmitter ensures precise readings and optimizes process control. The modular design allows for easy integration into existing systems, thereby enhancing operational efficiency.

The 7000 Series incorporates Emerson’s proprietary Micro Tracy technology, which provides excellent stability and minimizes drift, ensuring reliable performance over time. This is particularly important in environments where temperature fluctuations can affect product quality and safety. The transmitter offers a linearized output and is capable of digital communication via protocols such as HART, Profibus, and Fieldbus, allowing for seamless integration with modern control systems.

Another notable characteristic of the 7ADTB is its rugged construction. Built to endure harsh industrial conditions, the transmitter features a robust housing that is resistant to corrosion and mechanical stress. This durability not only extends the life of the instrument but also reduces the need for frequent maintenance.

The Emerson 7000 Series 7ADTB is also equipped with user-friendly interfaces and advanced diagnostic capabilities. A built-in display provides instant readings and real-time data while allowing users to easily navigate through configuration settings. Furthermore, the device includes self-diagnostic features that alert operators to potential issues before they escalate, promoting preventative maintenance practices.

Overall, the Emerson 7000 Series 7ADTB temperature transmitter is a versatile and reliable solution that caters to a wide range of industrial applications. With its exceptional accuracy, robust design, and advanced communication capabilities, it stands as a testament to Emerson's commitment to delivering innovative measurement solutions that enhance operational efficiency and product quality. This makes it a preferred choice for engineering professionals looking to optimize their temperature measurement processes.
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