Lennox International Inc. 15CHAX User Manual download pdf

01/08

*2P0108*

Page 1

505,201M

*P505201M*

RETAIN THESE INSTRUCTIONS

FOR FUTURE REFERENCE

 2006 Lennox Industries Inc.

Dallas, Texas, USA

Table of Contents

Shipping & Packing List 1. . . . . . . . . . . . . . . . . . . . . . . . .

Unit Dimensions 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts Arrangement 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Requirements 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Location Selection 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rigging & Setting Unit 4. . . . . . . . . . . . . . . . . . . . . . . . . .

Clearances 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Existing Common Vent Systems 5. . . . . . . . . . . . . . . . .

Condensate Drain 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Filters 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Supply & Return Connections 6. . . . . . . . . . . . . . . . . . . .

Compressors 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Blower Control Board 9. . . . . . . . . . . . . . . . . . . . . . . . . . .

System Operation Monitor 11. . . . . . . . . . . . . . . . . . . . . .

Unit Start−Up and Operation 13. . . . . . . . . . . . . . . . . . . .

Condenser Fan Clearances 14. . . . . . . . . . . . . . . . . . . . .

Maintenance 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INSTALLATION

INSTRUCTIONS

15CHAX SERIES UNITS

PACKAGED ELECTRIC UNIT (2−5 TONS)

505,201M (38152A082)

01/08

Supersedes 05/06

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, im-

mediately contact the last carrier.

WARNING

Improper installation, adjustment, alteration, service

or maintenance can cause property damage, person-

al injury or loss of life. Installation and service must

be performed by a licensed professional installer (or

equivalent) or service agency.

WARNING

If this unit is to be installed in a mobile or manufac-

tured home application, the duct system must be

sized to achieve static pressures within the

manufacturer’s guidelines. All other installation

guidelines must also be followed. Failure to do so

may result in equipment damage, personal injury

and improper unit performance.

CAUTION

Danger of sharp metallic edges. Can cause injury.

Take care when servicing unit to avoid accidental

contact with sharp edges.

WARNING

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.

Litho U.S.A.

1 2 3 4 5 6 ... 13 14

Summary of Contents

Page 1 - INSTRUCTIONS

01/08*2P0108*Page 1505,201M*P505201M*RETAIN THESE INSTRUCTIONSFOR FUTURE REFERENCE 2006 Lennox Industries Inc.Dallas, Texas, USATable of ContentsShip

Page 2

Page 10COOLThe COOL jumper is used to determine the CFM duringcooling operation. This jumper selection is activated forcooling when Y1 is energized.Th

Page 3

Page 11System Operation Monitor (LSOM)The system operation monitor (A132) detects the mostcommon fault conditions in the air conditioning system.When

Page 4 - Location Selection

Page 12Table 5System Operation Monitor LED Troubleshooting CodesStatus LED Condition Status LED Description Status LED Troubleshooting InformationGree

Page 5 - Condensate Drain

Page 13Unit Start−Up and OperationEach 15CHAX packaged cooling unit is factory−chargedwith R−410A refrigerant. The compressor is hermeticallysealed, i

Page 6 - Electrical

Page 14Condenser Fan ClearancesThe top of the condenser fan should be 1−1/2 inches fromthe bottom of the top grille. This dimension should bechecked a

Page 7 - Figure 6

HORIZONTALSUPPLY AIROPENINGBACK VIEWEND VIEWTOP VIEWABFRONT VIEWHORIZONTALRETURNAIROPENINGS(2)CLFGHJKDEEDDOWN−FLOWSUPPLY AIROPENINGDOWNFLOWRETURN AIRO

Page 8 - Typical Wiring Diagram

Page 3Parts ArrangementGeneralThese installation instructions are intended as a generalguide only, for use by an experienced, licensed contractor(or e

Page 9 - Blower Control Board (A54)

Page 4  For installation on combustible material.WARNINGProduct contains fiberglass wool.Disturbing the insulation in this product duringinstallati

Page 10 - DEHUMIDIFICATION

Page 5Existing Common Vent SystemsThe 15CHAX packaged cooling units with auxiliary electricheat may replace an existing furnace which is being re-move

Page 11 - IMPORTANT

Page 6FiltersFilters are not factory−supplied with the unit; however,optional internally installed filter kits are available. Filter kit92M54 is used

Page 12

Page 7Unit must be electrically grounded in accordance with localcodes or in the absence of local codes with the NationalElectric Code, ANSI/NFPA No.

Page 13 - Unit Start−Up and Operation

Page 8Figure 715CHAX Series Packaged Electric UnitsTypical Wiring Diagram

Page 14 - Maintenance

Page 9Blower Control Board (A54)Electric shock hazard. Can cause injury ordeath. Before attempting to perform anyservice or maintenance, turn the elec

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