INSTALLATION AND OPERATION INSTRUCTIONS
OWNER / INSTALLER: For your safety this manual must be carefully and thoroughly read and
understood before installing, operating or servicing this heater.
COLD BLOCKER
INFRARED RADIANT TUBE HEATER
Single and Two Stage Pull Through System (Negative Pressure)
Models: CB20, CB30, CB40, CB50 – (N5/L5)
CB40, CB50 – (N7/L7)
!INSTALLER: This manual is the property of the owner. Please present this manual to the
owner when you leave the job site.
▲WARNING: Improper installation, adjustment, alteration, service, or maintenance can
cause property damage, injury or death. Read the installation, operation and maintenance
instructions thoroughly before installing or servicing this equipment.
! DO NOT try to light any appliance.
! DO NOT touch any electrical switch; DO NOT use any
telephone in your building.
! IMMEDIATELY call your gas supplier from a neighbor's
telephone. Follow the gas supplier's instructions. If you
cannot reach your gas supplier, call the fire department.
DO NOT store or use gasoline or other
flammable vapors and liquids in the vicinity of
this or any other appliance.
!IMPORTANT: SAVE THIS MANUAL FOR FUTURE REFERENCE.
SPACE-RAY
Post Office Box 36485 (28236) • 1700 Parker Drive (28208) • Charlotte, North Carolina
Phone (704) 372-6391 • Fax (704) 332-5843 • www.spaceray.com • email: info@spaceray.com
Scan warranty QR code on the right to
register your product.
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