Rheem RKKL Series, Installation Instructions Manual, Page: 24 / 56

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G. CLEARANCES
The following minimum clearances must be observed for proper unit performance and
serviceability. Reference Figure 9.
H. ROOFTOP INSTALLATION
1. Before locating the unit on the roof, make sure that the roof structure is adequate to
support the weight involved. (See Electrical & Physical Tables in this manual.) THIS
IS VERY IMPORTANT AND THE INSTALLER’S RESPONSIBILITY.
2. For rigging and roofcurb details, see Figures 11, 12 and 13.
3. The location of the unit on the roof should be such as to provide proper access for
inspection and servicing.
IMPORTANT: If unit will not be put into service immediately, block off supply and return
air openings to prevent excessive condensation.
I. DUCTING
The installing contractor should fabricate ductwork in accordance with local codes. Use
industry manuals as a guide when sizing and designing the duct system. Contact Air
Conditioning Contractors of America, 1513 16th St. N.W., Washington, D.C. 20036.
!
WARNING
DO NOT, UNDER ANY CIRCUMSTANCES, CONNECT RETURN DUCTWORK TO
ANY OTHER HEAT PRODUCING DEVICE SUCH AS FIREPLACE INSERT,
STOVE, ETC. UNAUTHORIZED USE OF SUCH DEVICES MAY RESULT IN FIRE,
CARBON MONOXIDE POISONING, EXPLOSION, PERSONAL INJURY, PROP-
ERTY DAMAGE OR DEATH.
Recommended
Clearance
Location
48” A - Front
18” B - Condenser Coil
18” C - Duct Side
18”* D - Evaporator End
60” E - Above
*Without Economizer. 48” With Economizer
FIGURE 9
CLEARANCES
ST-A1111-03