Space-Ray RSCA Series, Installation & Operation Instructions, Page: 5 / 32

Form #43219000
May 2021
This heater is for Indoor Installation only and can be used in Unvented mode. The term Unvented actually
means Indirect Vented. While the products of combustion are expelled into the building, national codes
require 4 CFM/1000 BTU of heater input ventilation in the building to dilute these products of combustion.
This ventilation may be provided by gravity or mechanical means.
This heater is not an explosion proof heater. Where the possibility of exposure to volatile and low flash point
materials exists, it could result in property damage or death. This heater must not be installed in a spray
booth where the heater can operate during the spraying process. Consult your local fire marshal or insurance
company.
Certain materials or objects, when stored under the heater, will be subjected to radiant
heat and could be seriously damaged. Observe the Minimum Clearances to Combustibles listed in the
manual and on the heater at all times.
4) MINIMUM CLEARANCES TO COMBUSTIBLES
For maximum safety the building must be evaluated for hazards before installing the heater system.
Examples include, but are not limited to:
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Gas and electrical lines
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Combustible and explosive materials
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Chemical storage areas
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Areas of high chemical fume concentrations
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Provisions for accessibility to the heater
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Adequate clearances around the openings
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Combustion and ventilating air supply
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Vehicles parking areas
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Vehicles with lifts or cranes
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Storage areas with stacked materials
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Lights
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Sprinkler heads
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Overhead doors and tracks
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Dirty, contaminated environment
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