TP-6727 10/11 17Section 2 Open Units
Section 2 Open Units
2.1 Introduction
This section contains installation information specific to
open (unhoused) commercial generator sets. Review
the precautions in the Safety Precautions section and
the information in Section 1, General.
Open (unhoused) commercial generator sets may be
installed inside an unoccupied building if the exhaust
gas is piped safely outside and adequate air flow is
provided for cooling and combustion. The generator set
location must be safe, secure (locked), and well-
ventilated. Figure 2-1 illustrates a typical open-unit
installation.
For the protection of the building’s occupants, install
carbon monoxide (CO) detectors on each level of the
building. Locate the detectors to adequately warn the
building’s occupants of the presence of carbon
monoxide.
Note: Do not install open (unenclosed) commercial
generator sets in residential applications.
Note: Do not install enclosed units inside a building.
TP-6329
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5
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1. Supports
2. Exhaust thimble (for wall or ceiling)
3. Silencer
4. Watertrapwithdrain
5. Flexible sections
6. Duct work for cooling air outlet
7. Mounting base
8. Controller
9. Electrical conduit
10. Fresh air intake
Note: Do not install open commercial generator sets in residential applications.
Figure 2-1 Typical Open Commercial Generator Set Installation
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