Installation Instructions

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Document No. 546-00335

December 8, 2011

Laboratory Exhaust Air Terminal

Item Number 546-00335, Rev. EA Page 1 of 5

Product Description

The Laboratory Exhaust Terminal (LGE) is a one-

piece flow control device used to vary airflow

through an exhaust duct. See Figure 1 and Figure 2.

The terminal consists of a duct section, flow sensor,

and a damper blade.

NOTE: The terminal’s 90° damper does not have a

gasket seal.

Figure 1. Slip Ends Exhaust Terminal.

Figure 2. Flanged Ends Exhaust Terminal.

Options

• Sizes 4", 6", 7”, 8", 9”, 10", 11”, 12", 14", 16",

18”

• Galvanized/90, without seal; 316L stainless

steel/90, without seal

• Slip or flange end fittings

• 316L Stainless steel and Teflon™ coated

construction:

• Solid stainless steel shaft on Teflon

bearings

• Orifice plate SP300

• Galvanized Construction:

• 1/2-inch (1.276 m) zinc plated shaft

• Orifice plate or SP300 airflow

measurement sensor

Product Numbers

Contact your Siemens Industry, Inc. representative

for detailed parts information.

Warning Notation

WARNING

Personal injury/loss of life may

occur if you do not follow a

procedure as specified.

Electronic Actuation

• Control packages including an Electronic

Actuator assembly with mounting bracket,

and a differential pressure transmitter

(optional). These parts are included in an

enclosure that is factory-mounted to the

outside of the terminal.

Pneumatic Actuation

• Control packages including one or all of the

following: Analog Output–Pneumatic (AO–P)

Transducers, No. 3 pneumatic actuator, and

one differential pressure transmitter

(optional). These parts can be included in an

optional enclosure that is factory-mounted to

the outside of the terminal.

Required Tools

• Small flat blade screwdriver

• 3/8-inch open end wrench

• Needle nose pliers

• Duct tape

• Sealant

• Sheet metal screws

• 1/4-inch poly tubing

Summary of content (5 pages)

PAGE 1
Installation Instructions Document No. 546-00335 December 8, 2011 Laboratory Exhaust Air Terminal Product Description The Laboratory Exhaust Terminal (LGE) is a onepiece flow control device used to vary airflow through an exhaust duct. See Figure 1 and Figure 2. The terminal consists of a duct section, flow sensor, and a damper blade. NOTE: The terminal’s 90° damper does not have a gasket seal. • • Orifice plate SP300 Galvanized Construction: • 1/2-inch (1.
PAGE 2
Document No. 546-00335 Installation Instructions December 8, 2011 Expected Installation Time Do not carry the terminal by the orifice sensor. Terminal measurements are included in Table 1. 30 minutes 2. Connect the exhaust ductwork to the exhaust terminal’s inlet collar using the accepted trade practice of welding or bolting the exhaust terminal to the ductwork.
PAGE 3
Document No. 546-00335 Installation Instructions December 8, 2011 Table 1. LGE Dimensions by Unit Size. Duct Size Length (L) Inches (mm) +0.06 (1.5) Slip End Outside Diameter (OD) or Flange End Inside Diameter (ID) Inches (mm) Flange Bolt Hole Circle Size Inches (mm) 4 16.00 (406.4) 3.88 (98.6) 5.25 (133.4) 6 16.00 (406.4) 5.88 (149.4) 7.25 (184.2) 7 16.00 (406.4) 6.88 (174.8) 8.25 (209.6) 8 16.00 (406.4) 7.88 (200.2) 9.25 (234.95) 9 19.50 (495.3) 8.88 (225.6) 10.25 (260.4) 10 19.
PAGE 4
Document No. 546-00335 Installation Instructions December 8, 2011 Figure 6. AO-P Transducer Wiring Connections. Figure 7. Differential Pressure Transmitter Wiring Connections. 5. Connect a two-conductor 20 AWG cable to the field panel’s 4 to 20 mA input or UC’s universal input. Connect it to the differential pressure transmitter or through the wiring bushing/knockout on the controls enclosure to the differential pressure transmitter inside the enclosure.
PAGE 5
Document No. 546-00335 Installation Instructions December 8, 2011 3. Connect a three conductor 20 AWG cable for the Lab AO-P Module through the wiring bushing/knockout. (Figure 9). If desired, the wiring bushing can be removed and a standard 1/2-inch conduit fitting may be installed in its place. See Figure 10 for the wiring connections to the Lab AO-P Module from the Fume Hood Controller Board. Figure 10. AO-P Module Wiring Connections. 4.