Rheem RKNL 13 SEER (3-5 TONS) SERIES, Installation Instructions Manual, Page: 7 / 96

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VII. INSTALLATION
A. GENERAL
Inst a ll this unit in a ccord a nce with The Americ a n N a tion a l S t a nd a rd Z223.1-l a test edition
booklet entitled “N a tion a l Fuel G a s Code,” a nd the requirements or codes of the loc a l
utility or other a uthority h a ving jurisdiction.
Addition a l helpful public a tions a v a il a ble from the “N a tion a l Fire Protection Associ a tion”
a re: NFPA-90A - Inst a ll a tion of Air Conditioning a nd Ventil a ting S ystems 19 8 5 or l a test
edition. NFPA-90B - W a rm Air He a ting a nd Air Conditioning S ystems 19 8 4.
These public a tions a re a v a il a ble from:
N a tion a l Fire Protection Associ a tion, Inc.
1 B a tterym a rch P a rk
Quincy, MA 02169-7471
www.nfp
a .org
1. PRE-IN S TALLATION CHECK-POINT S — Before a ttempting a ny inst a ll a tion, c a re-
fully consider the following points:
S tructur a l strength of supporting members
(Rooftop Inst a ll a tion)
Cle a r a nces a nd provision for servicing
Power supply a nd wiring
G a s supply a nd piping
Air duct connections a nd sizing
Dr a in f a cilities a nd connections
Loc a tion for minimum noise a nd
vibr a tion - a w a y from bedroom
windows
2. LOCATION CON S IDERATION S
The met a l p a rts of this unit m a y be subject to rust or deterior a tion in a dverse envi-
ronment a l conditions. This oxid a tion could shorten the equipment’s useful life. Sa lt
spr a y, fog or mist in se a co a st a re a s, sulphur or chlorine from l a wn w a tering systems,
a nd v a rious chemic a l cont a min a nts from industries such a s p a per mills a nd petrole-
um refineries a re especi a lly corrosive.
If the unit is to be installed in an area where contaminants are likely to be a
problem, give special attention to the equipment location and exposure.
1. Avoid h a ving l a wn sprinkler he a ds spr a y directly on the unit c a binet.
2. In co a st a l a re a s loc a te the unit on the side of the building a w a y from the w a ter-
front.
3. S hielding by a fence or shrubs m a y give some protection.
1. Frequent w a shing of the c a binet, f a n bl a de a nd coil with fresh w a ter will remove
most of the s a lt or other cont a min a nts th a t build up on the unit.
2. Regul a r cle a ning a nd w a xing of the c a binet with a good a utomobile polish will pro-
vide some protection.
3. A good liquid cle a ner m a y be used sever a l times a ye a r to remove m a tter th a t will
not w a sh off with w a ter.
S ever a l different types of protective co a tings a re offered in some a re a s. These co a tings
m a y provide some benefit, but the effectiveness of such co a ting m a teri a ls c a nnot be ver-
ified by the equipment m a nuf a cturer.
The best protection is frequent cleaning, maintenance and minimal exposure to
contaminants.
!
WARNING
DISCONNECT ALL POWER TO UNIT BEFORE STARTING MAINTENANCE.
FAILURE TO DO SO CAN CAUSE ELECTRICAL SHOCK RESULTING IN PER-
SONAL INJURY OR DEATH. REGULAR MAINTENANCE WILL REDUCE THE
BUILDUP OF CONTAMINANTS AND HELP TO PROTECT THE UNIT’S FINISH.
!
WARNING
ALWAYS INSTALL UNIT TO OPER-
ATE WITHIN THE UNIT'S INTEND-
ED TEMPERATURE-RISE RANGE
WITH A DUCT SYSTEM WHICH
HAS AN EXTERNAL STATIC PRES-
SURE WITHIN THE ALLOWABLE
RANGE, AS SPECIFIED IN DUCT-
ING SECTION OF THESE INSTRUC-
TIONS. SEE ALSO UNIT RATING
PLATE.
!
WARNING
WHEN A UNIT IS INSTALLED SO
THAT SUPPLY DUCTS CARRY AIR
CIRCULATED BY THE UNIT TO
AREAS OUTSIDE THE SPACE CON-
TAINING THE UNIT, THE RETURN
AIR SHALL ALSO BE HANDLED BY
DUCT(S) SEALED TO THE UNIT
CASING AND TERMINATING OUT-
SIDE THE SPACE CONTAINING
THE UNIT.
!
WARNING
NEVER TEST FOR GAS LEAKS
WITH AN OPEN FLAME. USE A
COMMERCIALLY 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.