Rheem RRNA-B SERIES, Installation Instructions Manual, Page: 4 / 60

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V. SAFETY INFORMATION
!
WARNING
DO NOT USE THIS UNIT DURING CONSTRUCTION IF AIR LADEN CORROSIVE
COMPOUNDS ARE PRESENT SUCH AS CHLORINE AND FLUORINE. OTHER-
WISE, PROVISIONS MUST BE TAKEN TO PROVIDE CLEAN, UNCONTAMINAT-
ED COMBUSTION AND VENTILATION AIR TO THE UNIT. COMBUSTION AND
VENTILATION AIR CONTAMINATED WITH THESE COMPOUNDS FORMS
ACIDS DURING COMBUSTION WHICH CORRODES THE HEAT EXCHANGER
AND COMPONENT PARTS. SOME OF THESE CONTAMINANTS ARE FOUND
IN, BUT NOT LIMITED TO, PANELING, DRY WALL, ADHESIVES, PAINTS,
STAINS, VARNISHES, SEALERS, AND MASONRY CLEANING MATERIALS.
!
WARNING
USE ONLY WITH TYPE OF GAS APPROVED FOR THIS UNIT. REFER TO THE
UNIT RATING PLATE.
!
WARNING
INSTALL THIS UNIT ONLY IN A LOCATION AND POSITION AS SPECIFIED IN
THE LOCATION REQUIREMENTS AND CONSIDERATIONS SECTION OF
THESE INSTRUCTIONS. PROVIDE ADEQUATE COMBUSTION AND VENTILA-
TION AIR TO THE UNIT SPACE AS SPECIFIED IN THE VENTING SECTION OF
THESE INSTRUCTIONS.
!
WARNING
PROVIDE ADEQUATE COMBUSTION AND VENTILATION AIR TO THE UNIT
SPACE AS SPECIFIED IN THE COMBUSTION AND VENTILATION AIR SECTION
OF THESE INSTRUCTIONS.
!
WARNING
COMBUSTION PRODUCTS MUST BE DISCHARGED OUTDOORS. CONNECT
THIS UNIT TO AN APPROVED VENT SYSTEM ONLY, AS SPECIFIED IN VENT
PIPE INSTALLATION SECTION OF THESE INSTRUCTIONS.
!
WARNING
NEVER TEST FOR GAS LEAKS WITH AN OPEN FLAME. USE A COMMERCIAL-
LY AVAILABLE SOAP SOLUTION MADE SPECIFICALLY FOR THE DETECTION
OF LEAKS TO CHECK ALL CONNECTIONS, AS SPECIFIED IN GAS SUPPLY
AND PIPING SECTION OF THESE INSTRUCTIONS.
!
WARNING
ALWAYS INSTALL UNIT TO OPERATE WITHIN THE UNIT'S INTENDED TEM-
PERATURE-RISE RANGE WITH A DUCT SYSTEM WHICH HAS AN EXTERNAL
STATIC PRESSURE WITHIN THE ALLOWABLE RANGE, AS SPECIFIED IN
DUCTING SECTION OF THESE INSTRUCTIONS. SEE ALSO UNIT RATING
PLATE.
!
WARNING
WHEN A UNIT IS INSTALLED SO THAT SUPPLY DUCTS CARRY AIR CIRCU-
LATED BY THE UNIT TO AREAS OUTSIDE THE SPACE CONTAINING THE
UNIT, THE RETURN AIR SHALL ALSO BE HANDLED BY DUCT(S) SEALED TO
THE UNIT CASING AND TERMINATING OUTSIDE THE SPACE CONTAINING
THE UNIT.