Form #: SIDOM.4 Page | 3 Revised: 03/19
Unit Identification
Each unit is supplied with a shipping label and an identification label. The following Figure 2 is an
example of the identification label that is attached to each unit.
Figure 2 ā Example Identification Label
Warning
Disconnect all power to the unit before performing maintenance or service. Unit may
automatically start if power is not disconnected. Electrical shock and personal injury could
result.
If it is necessary to remove and dispose of mercury contactors in electric heat section,
follow all local, state, and federal laws regarding disposal of equipment containing
hazardous materials.
This product can expose you to chemicals including formaldehyde, which is known to the
State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
Installation and Precaution
Check that construction debris does not enter unit or ductwork. Do not operate the central-station
air-handling fan without final or construction filters in place. Accumulated dust and construction
debris distributed through the ductwork can adversely affect unit operation.
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