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Requirements

These units must be installed in accordance with all
applicable national and local safety codes.

These instructions are intended as a general guide and do
not supersede local codes in any way. Consult authorities
having jurisdiction before installation.

If components are to be added to a unit to meet local codes,
they are to be installed at the dealer’s and/or customer’s
expense.

These units are design listed by UL in both the United
States and Canada as follows:

  

   For use as a cooling unit.

  

  For outdoor installation only.

  

  For 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".

Figure 1

Accessory Lift Kit

Lifting Bracket

Accessory

Sheet Metal
Screw

CAUTION

Before lifting a unit, make sure that the weight is dis-
tributed equally on the cables so that it will lift evenly.

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.

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.

Summary of Contents for 13CHA SERIES

Page 1: ...mage immediately contact the last carrier WARNING Improper installation adjustment alteration service or maintenance can cause property damage personal injury or loss of life Installation and service...

Page 2: ...lbs in in 13CHA 24 73 91 114 92 16 29 13CHA 30 73 91 114 92 16 29 13CHA 36 80 93 117 100 16 30 13CHA 42 102 128 151 120 21 33 13CHA 48 105 129 152 124 21 33 5 13CHA 60 105 129 152 124 21 33 5 Model N...

Page 3: ...ditioner is not recommended during any phase of construction Very low return air temperatures harmful vapors and operation of the unit with clogged or misplaced filters will damage the unit If this un...

Page 4: ...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...

Page 5: ...use an unsafe condition 3 Close all building doors and windows and all doors be tween the space in which the appliances remaining connected to the common venting system are located and other spaces of...

Page 6: ...e the use of 1 2 or 4 filters If the optional filter kit is not used a filter must be field installed Filters must always be installed ahead of evaporator coil and must be kept clean or replaced Dirty...

Page 7: ...is present at all components when unit is not in operation Disconnect all remote electric power supplies before opening access panel Unit may have multiple power supplies Failure to disconnect all pow...

Page 8: ...Page 8 Figure 6 Blower Drive Control Typical Single Phase Unit Wiring Connections Figure 7...

Page 9: ...Page 9 Figure 8 13CHA Series Packaged Electric Units Typical Wiring Diagram...

Page 10: ...mpressor will stop System Performance For maximum performance of this cooling system the operating temperatures and pressure should be checked and superheat determined at Standard ARI test conditions...

Page 11: ...outdoor fan and vent motors are permanently lubricated and require no further lubrication Motors should be cleaned yearly to prevent the accumulation of dust and dirt on the windings or motor exterio...

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