Manual# I27028 2-2 Rev. 2 – 11/22/2017
Do not use any kind of filter coating on the reactivation inlet
filter. This filter is located just upstream of the electric
heating elements. Some filter coatings give off volatile
chemicals, which could be pulled into the heating elements.
This could create a fire hazard. (If a filter is installed in the
process air duct, it is OK to use filter coating on this filter.
The process air is not pulled through the heating elements.)
The electric heaters and the solid state power controllers
are mounted in an electrical control enclosure. These
parts may carry high voltages from 460 to 575V AC.
Only trained electricians should perform work on these
parts.
On a unit with gas reactivation, take the normal
precautions you would take with any gas appliance.
Leaking gas can be explosive if it is allowed to collect. In
the presence of a gas odor:
• Open the windows.
• Don’t touch any electrical switches.
• Extinguish any open flames. Shut off the gas valves to the
heater in the R-Series unit.
• Call your gas supplier immediately.
Do not store gasoline or other flammable vapors and
liquids in open containers near this appliance. Direct-fired
burner units may include an open pilot flame which may
ignite flammable vapors.
Any unit which contains a gas flame can generate carbon
monoxide gas under certain circumstances. This can
happen if the flow of air to the flame is blocked, and the
flame cannot burn normally. Carbon monoxide is a
colorless, odorless gas which can be deadly in high
concentrations. Take particular care when setting up the
exhaust for these units. Once a unit has been set up
correctly, be careful not to make changes which could re-
strict the air flow. When the gas is burning correctly, it
produces a strong blue flame with small yellow tips. If the
air flow is restricted, it produces a smoky blue flame which
appears to be “lazy.”
Do not use any filter coating on the reactivation air filter.
This presents a possible fire hazard.
Do not use the unit to process air which contains solvents
or flammable vapors.
PLEASE READ THIS ENTIRE MANUAL. PLEASE FOLLOW THE INSTRUCTIONS
CAREFULLY AND COMPLETELY. PLEASE PAY PARTICULAR ATTENTION TO THE
SAFETY INSTRUCTIONS AND PRECAUTIONS.
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