DESV_Submittal.pdf
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- Solicitation number
- FA813726R0026
About this file
This is a product submittal document for the DESV with Extended Casing, a single duct terminal unit manufactured by Titus Air Distribution Technologies, Inc.
The DESV is a digital, pressure-independent terminal unit available in seven sizes (5E through 4E) with CFM ranges from 0-350 to 0-3000. The unit features a heavy gauge G40 galvanized steel housing with mechanically sealed and gasketed, leak-resistant construction (less than 2% leakage at 1.5" static pressure). The extended casing design enables improved heating performance when paired with an optional matching hot water reheat coil, particularly when using low entering water temperature. All dimensions are provided in inches across multiple configurations, with discharge opening designed for slip and drive cleat duct connection. The unit is equipped with a multipoint center averaging inlet velocity sensor and can be installed horizontally, vertically, or at any angle. Rectangular discharge dimensions range from 4 7/8" to 13 7/8" (D dimension) depending on size, with corresponding casing dimensions varying accordingly.
Optional accessories include integral sound attenuators, hot water coil sections (available in 1-4 row configurations with aluminum ripple fins at 10 per inch), electric coil sections, and SCR or Lynergy controlled electric heaters. Control options include Titus I or Titus II velocity controllers with choice of direct/reverse acting and normally open/closed configurations. Available supply voltages range from 120V single phase to 480V three phase. Additional optional features include dust tight enclosure seals, various liner options (EcoShield, Fibre Free, SteriLoc, UltraLoc), disconnect switches, hanger brackets, and seismic certifications (OSP 0352-10). Only Titus Alpha controls are approved for seismic installation. The submittal date is February 14, 2025, and Titus reserves the right to make changes without written notice.
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Text version
DESV with Extended Casing Single Duct Terminal Unit Digital, Pressure Independent
Size CFM Range D (H x W) C F G H L M W CH CL CW
5E 0-350 4 7/8 6 2 1/8 7 3/8 10 15 1/2 3 3/8 12 12 1/4 18 6 1/2
6E 0-500 5 7/8 6 2 1/8 7 3/8 10 15 1/2 3 3/8 12 12 1/4 18 6 1/2
7E 0-650 6 7/8 7 1 1/8 5 3/8 12 1/2 15 1/2 3 3/8 14 12 1/4 18 6 1/2
8E 0-900 7 7/8 7 1 1/8 5 3/8 12 1/2 15 1/2 3 3/8 14 12 1/4 18 6 1/2
1E 0-1400 9 7/8 8 - 5 3/8 15 15 1/2 3 3/8 16 12 1/4 18 6 1/2
2E 0-2000 11 7/8 10 - 3 3/8 17 1/2 15 1/2 3 3/8 20 12 1/4 18 6 1/2
4E 0-3000 13 7/8 12 - 3 3/8 18 15 1/2 3 3/8 24 12 1/4 18 6 1/2
This submittal is meant to demonstrate general dimensions of this product. The drawings are not meant to detail every aspect of the product. Drawings are not to scale. Titus reserves the right to make changes without written notice.
All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or by any information storage retrieval system without permission in writing from Air Distribution Technologies, Inc.
Submittal DESV - 1.0 2-14-2025
CW
CL
Slip & Drive Cleat Connection
Control Enclosure (Optional on Cooling-only units)
LM
G
CH
D
C F
F W
H
Digital Control, DESV
Right hand unit shown. All dimensions are in inches.
This submittal is meant to demonstrate general dimensions of this product. The drawings are not meant to detail every aspect of the product. Drawings are not to scale. Titus reserves the right to make changes without written notice.
All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or by any information storage retrieval system without permission in writing from Air Distribution Technologies, Inc.
Accessories (Optional)
• The DESV with Extended Casing utilizes a larger casing than a standard DESV model. When accompanied with a matching hot water reheat coil, heating performance can be improved.
This is especially true when low entering water temperature is used.
• Heavy gauge G40 galvanized steel housing. Mechanically sealed and gasketed, leak resistant construction. Less than 2% of nominal cfm at 1.5” sp wg.
• Dual density internal insulation, treated to resist air erosion. Meets
24 V Control Transformer Dust Tight Enclosure Seal Fibre Free Liner ½” EcoShield Liner ½” Fibre Free Liner
Check if provided. 1” Fiberglass Liner 1” EcoShield Liner 1” Fibre Free Liner Low Leakage Seal/Test Certify SteriLoc Liner
UltraLoc Liner ½” EcoShield Liner (Foil Face) 1” EcoShield Liner (Foil Face) Disconnect Switch Hanger Brackets
Removable Air Flow Sensor Bottom Access Door OSP & IBC -S Seismic Certification Red List Compliant “Google” Gasketing Stainless Steel Construction requirements of NFPA 90A and UL 181.
• Units equipped with the Titus II velocity controller can either be direct acting or reverse acting, with the damper either normally open or normally closed. Controller maintains constant span and start point. (Span and start point are adjustable.)Rectangular discharge opening is designed for slip and drive cleat duct connection.
• Multipoint center averaging inlet velocity sensor.
• Control packages can be factory mounted by Titus.
• Choice of right hand or left hand control location.
• Units equipped with the Titus I velocity controller are available in both direct acting / normally open and reverse acting / normally closed operating modes.Model DESV without coils can be installed horizontally, vertically, or at any angle.
Operation is not affected by position. For units with coils, consult technical support.
| • | Gauge tees for cfm measurement. |
| • | OSHPD Seismic Certification: |
OSP 0352-10
• Only Titus Alpha controls approved for seismic installation.
Submittal DESV - 2.0 2-14-2025
General Description
39 1/2 6 1/2 W
12 1/4 H
Integral Sound Attenuator
DESV
Hot Water Coil Section
| • | Aluminum ripple fins, 10 per inch | |
| • | Coil pipe connections are male, sweat, type “L” | |
| copper. | ||
| • | Connection sizes: Unit sizes 04-08: 1/2” OD |
on 1 row coils and 5/8” OD on 2 row coils. Unit sizes 09-40: 7/8” OD for all coils
| • | Coil is installed at discharge of unit. |
| • | On units with attenuators, coil are installed at |
the discharge of attenuator.
• Coils rated and certified to AHRI Standard 410
1 Row 2 Row 3 Row 4 Row
H
L W
This submittal is meant to demonstrate general dimensions of this product. The drawings are not meant to detail every aspect of the product. Drawings are not to scale. Titus reserves the right to make changes without written notice.
All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or by any information storage retrieval system without permission in writing from Air Distribution Technologies, Inc.
Accessories (Optional)
Submittal DESV - 3.0 2-14-2025
Standard Features
• Single side access to low voltage, high voltage, and electric heater controls.
• Automatic reset thermal cutouts, one per element.
| • | Manual reset secondary protection. | |
| • | Positive pressure flow switch. | |
| • | Magnetic contactor for each step. | |
| • | Slip and drive cleat discharge duct | |
| connection. |
Options Supply Voltage Fuse Block Disconnect switch, door interlock type Dust tight construction
120V, 1ph, 60Hz 208V, 1 ph, 60Hz 240V, 1 ph, 60Hz
277V, 1 ph, 60Hz 208V, 3 ph, 60Hz 480V, 3 ph, 60Hz (4 wire wye standard)
The total length of the DESV unit is the summation of the unit length (with or without attenuator) and the length of the optional water coil.
Size H W Water Coil
L 5E 8 12 7 1/4 6E 8 12 7 1/4 7E 10 12 7 1/4 8E 10 12 7 1/4 1E 12 1/2 14 7 1/4 2E 12 1/2 14 9 3/4 4E 12 1/2 20 9 3/4
Electric Coil Section Optional SCR Controlled Electric Heater Optional Lynergy Controlled Electric Heater
36 5/8”
39 1/2” 6 1/4” W
H12”
File details come from the government source that posted it. Updated .