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Installation, Operation and Maintenance Manual
Please read and save these instructions for future reference. Read carefully before attempting to assemble, install,
operate or maintain the product described. Protect yourself and others by observing all safety information. Failure
to comply with these instructions will result in voiding of the product warranty and may result in personal injury
and/or property damage.
Table of Contents
General - Safety Information. . . . . . . . . . . . . . 2
Hanging/Installation Requirements . . . . . . . . . . 3
General - Model Number Code . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . . . . . . . . . 4
Troubleshooting . . . . . . . . . . . . . . . . . . . . 7
2
Dual Duct VAV Terminals
General - Safety Information
Only qualified personnel should install this unit.
Personnel should have a clear understanding of these
instructions and should be aware of general safety
precautions. Improper installation can result in electric
shock, possible injury due to coming in contact with
moving parts, as well as other potential hazards. If more
information is needed, contact a licensed professional
engineer before moving forward.
1. Follow all local electrical and safety codes, as well
as the National Electrical Code (NEC), the National
Fire Protection Association (NFPA), and the Canadian
Electrical Code (CEC), where applicable.
2. Unit must be securely and adequately grounded.
3. Verify that the power source is compatible with the
equipment.
4. Electrical equipment should be transported, stored,
installed, and operated only in the environment for
which it is designed.
Document 1041404
Model DD, DH, DS
DUAL DUCT ATU
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