McQuay 2508021 Installation Manual
BACnet VAV Actuator Installation Manual
IM 1037
Group: Controls
Part Number: IM 1037
Date: 3/4/2010
Supersedes: New
BACnet® VAV Actuator Installation Procedures
Model #: 2508021
Table of Contents
Table of Contents .................................................................................................................. 2
Revision History.................................................................................................................................... 3
Reference Documents............................................................................................................................ 3
Limited Warranty .................................................................................................................................. 3
General Information .............................................................................................................. 4
Hazard Identification Messages ............................................................................................................ 4
Description ............................................................................................................................................ 5
Application............................................................................................................................................ 5
Component Data.................................................................................................................................... 5
Installation ............................................................................................................................. 6
Required Tools and Materials ............................................................................................................... 6
Installing a new BACnet VAV Actuator ............................................................................................... 6
To Install the BACnet VAV Actuator ............................................................................................... 6
To Wire the BACnet VAV Actuator ............................................................................................... 10
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Revision History
IM xxx Date Initial release
Reference Documents
Number Company Title Source
OM 1063 McQuay International VAV Actuator Owners Manual www.mcquay.com
Limited Warranty
Consult your local McQuay Representative for warranty details. Refer to Form 933-43285Y. To find your local
McQuay Representative, go to www.mcquay.com.
Notice
Copyright © 2010 McQuay International, Minneapolis MN. All rights reserved throughout the world.
McQuay International reserves the right to change any information contained herein without prior
notice. The user is responsible for determining whether this software is appropriate for his or her
application.
® ™ The following are tradenames or registered trademarks of their respective companies: BACnet
from the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.; Windows
from Microsoft Corporation; D-Net, McQuay and MicroTech III from McQuay International.
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General Information
This manual contains the information you need to install the BACnet® VAV Actuator on a VAV box.
Hazard Identification Messages
!
DANGER
Dangers indicate a hazardous situation that will result in death or serious injury if not
avoided.
!
WARNING
Warnings indicate potentially hazardous situations, which can result in property damage,
severe personal injury, or death if not avoided.
!
CAUTION
Cautions indicate potentially hazardous situations, which can result in personal injury or
equipment damage if not avoided.
WARNING
!
Electric shock hazard. Can cause personal injury or equipment damage.
This equipment must be properly grounded. Connections and service to the MicroTech III
Chiller Unit Controller must be performed only by personnel knowledgeable in the
operation of the equipment being controlled.
!
CAUTION
Static sensitive components. Can cause equipment damage.
Discharge any static electrical charge by touching the bare metal inside the control panel
before performing any service work. Never unplug cables, circuit board terminal blocks, or
power plugs while power is applied to the panel.
NOTICE
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with this instruction manual, may cause interference to
radio communications. It has been tested and found to comply with the limits for a Class
A digital device, pursuant to part 15 of the FCC rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. Operation of this equipment in a residential area
is likely to cause harmful interference in which case the user will be required to correct the
interference at his or her own expense. McQuay International disclaims any liability
resulting from any interference or for the correction thereof.
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Air Velocity
Sensor
Power
Connection
Status/DO LEDs
BACnet
Connection
Airflow
Pickup Tubes
Description
These Installation Instructions describe direct-coupled mounting of the BACnet VAV Actuator, McQuay’s Nonspring Return Rotary Electronic Damper Actuator.
Application
This VAV Actuator can be used in control applications 2560 through 2567. For a full description of application
specifics please refer to the VAV Actuator Owners Manual (OM 1063).
Component Data
Figure 1 shows the BACnet VAV Actuator. Figure 2 shows the parts associated with the installation of the VAV
Actuator.
Figure 1. BACnet VAV Actuator.
90
45
TEC0495R1
STAT
a
b
Figure 2. Actuator Parts.
Parts List
a. Actuator with pre-terminated tubing
b. Position indicator
c. Mounting bracket
d. Self-tapping mounting screws
e. 4 mm hex key
f. 3/8-inch shaft adapter (8 to 10 mm shafts)
e
c
f
d
IM 1037 5
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