DFor installation on combustible material.
WARNING
Product contains fiberglass wool.
Disturbing the insulation in this product during installation, maintenance, or repair will expose you to fiberglass wool dust. Breathing this may cause lung cancer. (Fiberglass wool is known to the State of California to cause cancer.)
Fiberglass wool may also cause respiratory, skin, and eye irritation.
To reduce exposure to this substance or for further information, consult material safety data sheets available from address shown below, or contact your supervisor.
Lennox Industries Inc.
P.O. Box 799900
Dallas, TX 75379−9900
Location Selection
Use the following guidelines to select a suitable location for these units.
1 − Unit is designed for outdoor installation only. Unit must be installed so all electrical components are protected from water.
2 − Condenser coils must have an unlimited supply of air. 3 − For ground level installation, use a level pre−fabricated pad or use a level concrete slab with a minimum thick- ness of 4 inches. The length and width should be at least 6 inches greater than the unit base. Do not tie the
slab to the building foundation.
4 − Maintain level within a tolerance of 1/4 inch maximum across the entire length or width of the unit.
Rigging & Setting Unit
Exercise care when moving the unit. Do not remove any packaging until the unit is near the place of installation. An optional lifting lug kit (92M51) may be purchased separately for use in rigging the unit for lifting. Spreaders MUST be used across the top of the unit. Recommended spreader length: 2, 2−1/2, 3−ton units −− 44"; 3−1/2, 4, 5−ton units −− 54".
CAUTION
Before lifting a unit, make sure that the weight is dis- tributed equally on the cables so that it will lift even- ly.
Units may also be moved or lifted with a forklift while still in the factory supplied packaging.
NOTE − Length of forks must be a minimum of 42 inches.
Accessory Lift Kit |
Lifting Bracket |
Accessory |
Sheet Metal |
Screw |
Figure 1
Clearances
All units require certain clearances for proper operation and service. Refer to figure 2 for the clearances required for combustible construction, servicing, and proper unit operation.
Service Clearances
| 3 (156)* | |
| REAR | |
30 | 24 | |
(610) | ||
(762) | ||
|
FRONT
48 (1219)
*Rear clearance is 18" (457) when required for accessory maintenance.
NOTE − Top Clearance − 36 in. (914 mm) NOTE − Entire perimeter of unit base requires support when elevated above mounting surface.
Figure 2
NOTE − Do not permit overhanging structures or shrubs to obstruct condenser air discharge outlet.
In the U.S. units may be installed on combustible floors made from wood or class A, B, or C roof covering material. In Canada, units may be installed on combustible floors.
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