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Do not install unit heaters in corrosive or flammable atmospheres! Premature failure
of, or severe damage to the unit will result!
Note: IMPORTANT!
Since the unit is equipped with an automatic gas ignition system, the unit heater must
be installed such that the gas ignition control system is not directly exposed to water
spray, rain or dripping water.
Note: Location of unit heaters is related directly to the selection of sizes. Basic rules
Figure 4.
GHND-SVX01A-EN • High Efficiency Propeller Fan Gas Unit Heater
Installation
Avoid locations where extreme drafts can affect burner operation. Unit heaters
must not be installed in locations where air for combustion would contain
chlorinated, halogenated or acidic vapors. If located in such an environment,
premature failure of the unit will occur!
are as follows
Heater location
11
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