Titus VAB User Manual
Installation Manual
IOM-VAB-00 06-30-04
VAB Vertical Air Handler Belt Drive
Installation, Operation, and Maintenance Manual
Contents Page
General ....................................................................1
Introduction.............................................................1
Safety .......................................................................1
Inspection................................................................1
Product Description ............................................... 1
Model Number Specification .............................................1
Dimension Specification .................................................... 1
Unit Cabinet Dimensions...................................................2
Coil Specifications ............................................................. 2
Dimensional Drawings.......................................................2
Installation...............................................................4
Ductwork ...........................................................................4
Duct Insulation and Vapor Proofing................................... 4
Motors and Drives .............................................................4
Sound Attenuation............................................................. 4
Electrical Connections....................................................... 4
Condensate Drain .............................................................5
Water Piping......................................................................5
Installation of Options............................................5
Discharge / Return Air Plenum..........................................5
Electric Heater................................................................... 6
Startup ..................................................................... 6
Operation and Maintenance ..................................7
Return Air Filters ...............................................................7
Coil .................................................................................... 7
Belt and Pulley ..................................................................7
Motor ................................................................................. 7
Blower ...............................................................................7
Abbreviations.......................................................... 7
General
This document provides installation, operation, and
maintenance information for the Titus Vertical Air Handler
Belt Drive (VAB) models.
Additional information may be found at the Titus website,
www.titus-hvac.com.
Introduction
The following information is to be used by the installer as a
guide. Since each installation is unique unto itself, only
general topics are covered. The order in which topics are
presented may not be those required by the actual
installation.
This guide does NOT supersede or circumvent any
applicable national, state, or local codes.
The installation is to be performed only by individuals
whose experience meets or exceeds the requirements of
the work involved.
The installer must read the entire contents of
and develop a thorough understanding before beginning
installation.
Due to a continuing program of product research, Titus
reserves the right to discontinue or change without notice,
any or all specifications or designs without incurring
obligations.
this guide
Safety
The installation and/or servicing of comfort conditioning
equipment can be hazardous due to system pressures
and electrical devices.
Caution: Only trained and qualified personnel
should perform service and/or installation.
Observe all precautions and warnings in product
data or attached to the unit.
Follow all safety codes. Wear eye protection and gloves.
Have a fire extinguisher readily avai
Caution: Disconnect all power supplies before
accessing equipment.
Disconnecting more than one power supply may
be required to de-energize some equipment.
DANGER
ELECTRIC SHOCK CAN CAUSE DEATH.
lable.
Inspection
Thoroughly inspect all packages upon receipt. Ensure
carton(s) have not been dropped, crushed or punctured.
Inspect all contents for damage. If damage is found,
immediately file a claim with the delivering carrier.
Product Description
This section provides model number nomenclature,
various unit dimensions, and coil specification.
Model Number Specification
Figure 1 defines model number nomenclature specifics.
Dimension Specification
Table 1 provides VAB model dimension specifics such as
tonnage, blower, filter dimensions, optional discharge or
return air plenum, and shipping weight of plenum.
605 Shiloh Road • Plano, Texas 75074 • 972- 212-4800
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VAB Installation Manual
IOM-VAB-00 06-30-04
Unit Cabinet Dimensions
Table 2 provides the cabinet dimensions for each VAB
model along with the blower-opening outlet.
Coil Specifications
Table 3 provides VAB model specifics for the chilled and hot
water coil outside diameter and shipping weight based on
the number of coils (weight for 4-row chilled water coil
includes weight for entire unit).
Figure 1. Air Handler Model Number
Nomenclature
Table 1. VAB Model Dimensions
Model
VAB08 2 9 x 9 20 x 20 22 23-1/2 12 23
VAB12 3 9 x 9 20 x 20 22 23-1/2 12 23
VAB16 4 10 x 10 22-1/2 x 22-1/2 25 23-1/2 14 30
VAB20 5 12 x 12 (2) 16 x 25 29-1/4 25-1/2 16 35
VAB30 7-1/2 15 x 15 (3) 16 x 25 39 27 24 41
VAB40 10 15 x 15 (4) 20 x 25 51-1/2 27 24 41
Nominal Rating in
Tons
Blower
Filter Size
(inches)
Dimensional Drawings
Figures 2 through 4 provide dimensional callouts with letters
corresponding to letters used in Tables 1 through 3.
Optional Discharge or Return Air Plenum
Dimensions (inches)
K L M Shipping Wgt. (lbs.)
Table 2. Cabinet Dimensions
Model
A B C D E F G H J K
VAB08 22 23-1/2 50 - - - - 3 12 8-3/4
VAB12 22 23-1/2 50 - - - - 3 12 8-3/4
VAB16 25 23-1/2 56-1/2 - - - - 1-1/2 14 9-1/2
VAB20 29-1/4 23-1/2 59-5/8 - - - - 1 14 13
VAB30 39 27 - 34 9 19-1/2 15-1/2 1 16-3/4 13-1/4
VAB40 51-1/2 27 - 34 9 19-1/2 20-1/2 1 16-3/4 13-1/4
Model
VAB08 3/4" OD SWT 164 7/8" OD SWT 14
VAB12 3/4" OD SWT 170 7/8" OD SWT 14
VAB16 7/8" OD SWT 200 7/8" OD SWT 17
VAB20 1-1/8" OD SWT 253 1-1/8" OD SWT 21
VAB30 1-1/8" OD SWT 364 1-1/8" OD SWT 81
VAB40 1-3/8" OD SWT 462 1-1/8" OD SWT 102
Note 1: Weight for entire unit.
Note 2: Weight for heating coil only.
Cabinet Dimensions (inches)
Table 3. Coil Dimensions
4-Row Unit 2-Row Heating Coil
Connection
Size
Shipping Wgt.
(lbs) Note 1
Connection
Size
Shipping Wgt.
Blower Opening
Outlet (inches)
(lbs) Note 2
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VAB Installation Manual
Figure 3. Optional Discharge or Return Air
IOM-VAB-00 06-30-04
Plenum
Figure 2. VAB08, 12, 16, and 20
Figure 4. VAB30 and 40
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