Specifications

Page iv • DRI-STEEM CRUV Electric Humidifier Installation, Operation, and Maintenance Manual
Table of contents
ATTENTION INSTALLER
Read this manual before installing.
Leave manual with product owner.
DRI-STEEM
®
Technical Support
800-328-4447
Where to find more information
Our web site:
The following documents are available on our
web site: www.dristeem.com
• Catalogs
– CRUV
– Ultra-sorb
®
• Installation, Operation, and Maintenance
manuals (IOM)
– Ultra-sorb
– Vapor-logic4 controller (includes humidifier
operation and troubleshooting)
•
DRI-STEEM Humidification System Design
Guide
(includes steam loss tables and general
humidification information)
Dri-calc
®
:
Dri-calc, our software for humidification system
sizing and selection, can be ordered at our web
site. Also in Dri-calc :
• Library of installation guides
• Dispersion and sensor placement in ducts and
air handlers
• Vertical airflows
Call us at 800-328-4447
Obtaining documents from our web site or from
Dri-calc is the quickest way to view our literature,
or we will be happy to mail literature to you.
Warnings and cautions................................. ii
Overview
Product overview
Tap/softened water .....................................2
DI/RO water option ....................................2
Water type conversion ..................................2
Dispersion options .....................................3
Specifications, capacities, and weights ........................4
Dimensions ..............................................5
Installation
Selecting a location
CRUV in a packaged unit ...............................6
Dispersion in a duct ....................................6
Humidifier ............................................7
Dispersion control devices ..............................7
Piping
Tap/softened water .....................................8
DI/RO water option ....................................9
Supply water and drain piping ..........................10
Drane-kooler .........................................11
Wiring ..................................................12
Humidistat and transmitter placement ......................13
Dispersion
Selecting the dispersion assembly location ................14
High-efficiency Tube option ............................14
Drip tee installation ...................................15
Interconnecting piping requirements
Connecting to humidifier with vapor hose ...........16
Connecting to humidifier with tubing or pipe ........17
Single tube ...........................................18
Rapid-sorb
Pitch requirements ................................21
Header outside of duct, horizontal airflow ...........22
Header inside of duct, horizontal airflow ............24
Steam supply connections to Rapid-sorb header ......26
Condensate drain connections to Rapid-sorb header . . 26
Ultra-sorb ............................................26