Trane VAV-IN-24 user manual

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Installation
Unit Control Module (UCM) 4.2 Retrofit
Model VAV
Models
“A” and later Design Sequence
VAV
July 2005
VAV-IN-24

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Notice NOTICE: Warnings and Cautions appear at appropriate sections throughout this manual. Read these carefully. WARNING – Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION – Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It may also be used to alert against unsafe practices. CAUTION – Indicates a situation that may result in equipment or property-damage-only

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Contents Installation/Startup/Commissioning 2 Notice/Introduction 2 Application 2 Hardware 4 Installation 5 Commissioning 6 VAV-IN-24 3

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Hardware UCM 4.2 Retrofit Kit Control Assembly The UCM 4.2 retrofit kit is available in The actual control assembly consists three basic kits. of UCM and Delta P transducer mount- ed in a sheet metal enclosure. The ac-  Retrofit Kit with a Honeywell cessories offered with the kit are zone actuator sensors with the same options as  Retrofit Kit with a Belimo actuator Trane DDC/VAV: flow bars for use with units without a flow sensor and con-  Retrofit Kit with no actuator trol power transf

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Installation CAUTION WARNING WARNING Local and N.A.C. electrical codes Hazardous Service Hazardous Voltage! should be observed when install- Procedures! Disconnect all electric power, in- ing the UCM 4.2 retrofit kit. The maintenance and Trouble cluding remote disconnects and Shooting procedures recommend- discharge all motor start/run ca- ed in this section of the manual Control Box Mounting pacitors before servicing. Follow could result in exposure to electri- proper lockout/tagout procedu

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Commissioning Figure 1: UCM 4.2 Wiring Diagram Commissioning For commissioning and configuration, contact the local Trane service techni- cian, or refer to VAV-SVX01C-EN. 6 VAV-IN-24

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Commissioning Figure 2: Sensor signal vs. airflow delivery 5 1 5" 6" 8" 10" 12" 14" 16" 4" 0.1 0.01 10 100 1,000 10,000 Cfm Note: Refer to manufacturer of competitive terminal for Delta P vs. airflow delivery. VAV-IN-24 7 Flow Sensor DP (In. wg)

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Literature Order Number VAV-IN-24 File Number SV-TD-000-VAV-IN-24-0705 Supersedes SV-TD-000-VAV-IN-24-0693 Trane Stocking Location Inland A Business of American Standard Companies www.trane.com For more information, contact your local district Trane has a policy of continuous product and data improvement and reserves the right to change office or e-mail us at comfort@trane.com design and specifications without notice.