Titus Mixing Box Controls IOM - Manual

Installation Manual
IOM-MBC-00 08-30-04
Mixing Box Control Systems
Installation, Operation, and Maintenance Manual
Contents Page
Introduction.............................................................1
General ....................................................................1
Safety .......................................................................1
Inspection................................................................1
Mixing Box Control Systems.................................2
Integrated Economizer System Operation.........................2
Diagnostic Equipment .......................................................2
Three-Position Control System.............................2
Three-position Damper Motor – M8405A ..........................2
Logic Module – W7459C ...................................................4
Solid-State Enthalpy Sensor - C7400A .............................5
Verification and Troubleshooting.......................................6
Modulating Control System...................................8
Modulating Damper Motor – M7415A................................8
Logic Module – W7459A .................................................10
Solid-State Enthalpy Sensor - C7400A ...........................12
Air Temperature Sensor – C7150B .................................12
Verification and Troubleshooting.....................................15
Abbreviations........................................................15
Introduction
This document provides installation, operation, and
maintenance information for the mixing box control
systems.
General
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 required by the actual installation.
This guide is not intended to 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 this guide
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.
Safety
Titus requests the following information be read and
understood prior to installation.
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 the
product data or attached to the unit.
Follow all safety codes. Wear eye protection and gloves.
Have a fire extinguisher readily available.
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.
Caution: Read these instructions carefully. Failure
to follow them could result in damage to the
product or cause a hazardous condition.
• Check the ratings given in the instructions and on the
product to ensure the product is suitable for your
application.
• Only trained and qualified personnel should perform
service and/or installation.
• After installation is complete, checkout product
operation as provided within this document.
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.
605 Shiloh Road • Plano, Texas 75074 • 972-212-4800
All rights reserved. No part of this work may be reproduced or transmitted in any form or any means, electronic or mechanical, including photocopying and recording, or by any information storage retrieval system without permission in writing from Air Distribution Technologies.