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E 2006 Lennox Industries Inc.
Dallas, Texas, USA
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
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02/06
*2P0206*
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INSTALLATION
INSTRUCTIONS
13CHA SERIES UNITS
PACKAGED ELECTRIC UNIT (2−5 TONS)
505,176M (38152A076)
02/06
Shipping & Packing List
1 − Assembled packaged electric unit
As soon as the unit is received, it should be inspected for
possible damage during transit. If you find any damage,
immediately contact the last carrier.
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a qualified installer or service agency.
If this unit is to be installed in a mobile or manufac-
1
tured home application, the duct system must be
2
sized to achieve static pressures within the
3
manufacturer's guidelines. All other installation
3
guidelines must also be followed. Failure to do so
4
may result in equipment damage, personal injury
4
and improper unit performance.
4
4
5
6
6
Danger of sharp metallic edges. Can cause injury.
6
Take care when servicing unit to avoid accidental
7
contact with sharp edges.
7
Electric shock hazard. Can cause
injury or death. Before attempting to
perform any service or maintenance,
turn the electrical power to unit OFF at
disconnect switch(es). Unit may have
multiple power supplies.
Page 1
WARNING
WARNING
CAUTION
WARNING
505,176M
*P505176M*
Litho U.S.A.
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Summary of Contents for Lennox 13CHA SERIES
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Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS E 2006 Lennox Industries Inc. Dallas, Texas, USA 13CHA SERIES UNITS PACKAGED ELECTRIC UNIT (2−5 TONS) 505,176M (38152A076) 02/06 Litho U.S.A. Shipping & Packing List 1 − Assembled packaged electric unit As soon as the unit is received, it should be inspected for possible damage during transit. -
Page 2: Unit Dimensions
13CHA Unit Dimensions − inches (mm) 2−1/2 (64) 2−1/2 (64) Center Of Corner Weights Gravity Model Model DOWN−FLOW 2−3/4 SUPPLY AIR Number Number (70) OPENING lbs. lbs. lbs. lbs. 13CHA−24 DOWN−FLOW RETURN AIR 13CHA−30 OPENING 13CHA−36 13CHA−42 13CHA−48 33.5 13CHA−60 33.5 TOP VIEW HORIZONTAL... -
Page 3: Parts Arrangement
Parts Arrangement If this unit has been used for heating or cooling of buildings General or structures under construction, the following conditions must be met or the warranty will be void: These installation instructions are intended as a general guide only, for use by an experienced, qualified contractor. A room thermostat must control the unit. -
Page 4: Requirements
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. Figure 1 P.O. Box 799900 Dallas, TX 75379−9900 CAUTION Location Selection... -
Page 5: Existing Common Vent Systems
1 − Seal any unused openings in the common venting sys- Service Clearances tem. 2 − Inspect the venting system for proper size and horizontal 3 (76)* pitch. Determine that there is no blockage, restriction, REAR leakage, corrosion, or other deficiencies which could cause an unsafe condition. -
Page 6: Condensate Drain
accommodate the use of 1", 2" or 4" filters. If the optional Condensate Drain filter kit is not used, a filter must be field−installed. The 13CHA unit is equipped with a 3/4 inch FPT coupling Filters must always be installed ahead of evaporator coil for condensate line connection. -
Page 7: Compressors
CONDUCTORS ONLY. Each unit must be wired with a Compressors separate branch circuit and be properly fused. Units are shipped with the compressor mountings factory−adjusted and ready for operation. WARNING Unit is equipped with a single−pole contactor. Line CAUTION voltage is present at all components when unit is not in operation. - Page 8 Blower Drive Control Figure 6 Typical Single−Phase Unit Wiring Connections Figure 7 Page 8...
- Page 9 Figure 8 Page 9...
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Page 10: Unit Start−Up And Operation
immediately stop. The circulating air blower continues Unit Start−Up and Operation operating through a 90−second delay. Each 13CHA packaged cooling unit is factory−charged with Unit compressors have internal protection. If there is an R−22 refrigerant. The compressor is hermetically sealed, abnormal rise in the compressor temperature, the internally sprung and base−mounted with rubber−insulated protector will open and the compressor will stop. -
Page 11: Condenser Fan Clearances
DO NOT replace per- Do not permit the hot condenser air discharge to be ob- manent type with disposable. structed by overhanging structures or shrubs. Accessories LENNOX Cat. Description Number Filter Kit (2−ton to 3−ton capacity units) 92M54 Filter Kit (3−1/2−ton to 5−ton capacity units)
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