HORIZONTAL VENT FIGURES / TABLES (CONTINUED)

Wall Firestop/Spacer

(SV4.5HF)

H1

H2

 

 

Table K

 

 

 

 

 

 

 

 

H + H1 + H2 Maximum

H Maximum

V Minimum

feet

(meter)

feet

(meter)

feet

(meter)

 

 

 

 

 

 

5

(1.524)

2

(0.610)

1

(0.305)

 

 

 

 

 

 

10

(3.048)

4

(1.219)

2

(0.610)

15

(4.572)

6

(1.829)

3

(0.914)

 

 

 

 

 

 

20

(6.096)

8

(2.438)

4

(1.219)

 

 

 

 

 

 

 

V + H + H

+ H = 40 feet (12.2 m) Max

 

Square termination (SV4.5HT-2) shown.

When using Secure Flex, use Firestop/Spacer SF4.5VF.

When using Secure Flex, use Firestop/Spacer SF4.5HF.

V

Ceiling

Firestop/Spacer

(SV4.5VF)

 

1

2

 

H = 8 feet (2.438 meters) Max.

 

H + H1+ H2 = 20 feet (6.096 meters) Max.

 

Example: If 20 feet total (H+H1+H2) horizontal vent

 

run is needed, then 4 feet minimum of (V) vertical

 

vent will be required.

 

This table shows a 1(V) to 5(H) ratio. For every

 

1 foot of (V) vertical, you are allowed 5 feet of

 

horizontal run up to a maximum total (H+H1+H2)

 

horizontal run of 20 feet.

 

See Table 12 on Page 21 as an aid in venting

H

component selection for a particular range of

 

exterior wall thicknesses.

Figure 39 - Rear Vent - THREE 90 DEGREE ELBOWS

 

 

 

 

Table L

 

 

When using Secure Flex,

 

H + H1 Maximum

V Minimum

 

use Firestop/Spacer

 

feet

(meter)

feet

(meter)

 

SF4.5VF.

 

 

 

5

(1.524)

Elbow Only

H1

When using Secure

 

Flex, use Firestop/Spacer

 

5

(1.524)

1

(0.305)

 

SF4.5HF.

 

 

 

 

 

 

 

 

Ceiling

 

10

(3.048)

2

(0.610)

 

 

15

(4.572)

3

(0.914)

 

Firestop/Spacer

 

 

(SV4.5VF)

 

20

(6.096)

4

(1.219)

 

 

 

 

 

 

H + H1 = 20 feet (6.096 m) Max.

Wall Firestop/Spacer

H

 

V + V1+ H + H1 = 40 ft. (12.192 m) Max.

(SV4.5HF)

V1

 

Example: If 20 feet total (H+H1) horizontal vent

 

 

 

 

V

run is needed, then 4 feet minimum of (V) vertical

 

 

vent will be required.

 

 

See Table 12 on Page

 

 

 

 

 

 

This table shows a 1(V) to 5(H) ratio. For every 1

21 as an aid in venting

 

 

 

 

foot of (V) vertical, you are allowed 5 feet of (H+

component selection for

 

 

a particular range of exte-

 

 

H1) horizontal run, up to a maximum horizontal

rior wall thicknesses.

 

 

run of 20 feet.

 

 

 

 

 

An elbow is acceptable as 1 foot of vertical rise

 

Wall Firestop/Spacer

 

except where an elbow is the only vertical com-

 

 

ponent in the system. See Figure 35.

 

(SV4.5HF)

 

 

 

 

 

 

 

 

Square termination (SV4.5HT-2) shown.

Figure 40 - Top Vent - THREE 90 DEGREE ELBOWS

 

 

 

 

 

 

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

 

 

 

 

23

Page 23
Image 23
TOA Electronics SSDV-3328 installation instructions Square termination SV4.5HT-2 shown

SSDV-3328 specifications

TOA Electronics SSDV-3328 is an advanced digital mixing amplifier designed to provide high-quality sound reinforcement for various applications, including commercial facilities, educational institutions, and public address systems. This versatile amplifier combines several key features and cutting-edge technologies to deliver exceptional audio performance and flexibility.

One of the standout characteristics of the SSDV-3328 is its robust power output. With a rating of 150 watts per channel, it is capable of driving a variety of speaker setups, ensuring that sound coverage is both powerful and consistent across large areas. This makes it an ideal choice for venues such as auditoriums, conference rooms, and exhibition halls.

The SSDV-3328 offers a unique blend of analog and digital input options, allowing seamless integration with various audio sources. It supports connectivity through balanced XLR inputs, RCA, and even digital input formats, providing users with the capabilities needed to connect microphones, musical instruments, and playback devices. This flexibility is invaluable for professionals who require adaptable solutions for different audio setups.

Equipped with TOA's advanced DSP (Digital Signal Processing) technology, the amplifier provides enhanced audio quality and control. Users can benefit from features such as graphic equalization, delay settings, and limiting, which enable precise tuning of the audio output to match the acoustics of any space. This capability ensures that the audio remains clear and intelligible, regardless of the complexity of the setup.

Another noteworthy feature of the SSDV-3328 is its built-in feedback suppression technology, designed to minimize feedback issues that can occur in live sound situations. This not only enhances the listening experience but also reduces the workload on sound technicians during events.

The design of the SSDV-3328 emphasizes reliability and ease of use. Its intuitive control panel includes well-organized knobs and switches for quick adjustments, while status indicators provide real-time feedback on system performance. Additionally, the lightweight and compact construction of the amplifier makes it easy to transport and install, meeting the demands of both permanent installations and portable setups.

In summary, TOA Electronics SSDV-3328 stands out in the realm of digital mixing amplifiers, offering powerful output, versatile connectivity, advanced DSP features, and a commitment to audio quality. Whether used in commercial spaces or live events, this amplifier is designed to deliver performance that meets the highest standards in sound reinforcement. Its thoughtful design and innovative technologies make it a reliable choice for audio professionals seeking a top-tier mixing amplifier.