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Manual Lennox International Inc. 15CHAX Series

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  • Lennox International Inc. 15CHAX Series - page 1

    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 . . . . . . ...

  • Lennox International Inc. 15CHAX Series - page 2

    HORIZONTAL SUPPLY AIR OPENING BACK VIEW END VIEW TOP VIEW A B FRONT VIEW HORIZONTAL RETURN AIR OPENINGS (2) C L FG H J K D E E D DOWN−FLOW SUPPLY AIR OPENING DOWNFLOW RETURN AIR OPENING E D E D END VIEW CONDENSATE DRAIN ELECTRICAL INLET 2−1/2 (64) 2−1/2 (64) 2−3/4 (70) 2−3/4 (70) 2−3/4 (70) 2−1/2 (64) AA CC DD FF BB EE E D 2 (51) Page ...

  • Lennox International Inc. 15CHAX Series - page 3

    Page 3 Parts Arrangement General These installation instructions are intended as a general guide only, for use by an experienced, licensed contractor (or equivalent). The 15CHAX units are single−package electric units designed for outdoor installation o n a rooftop or a slab. The units are equipped with a transformer and blower control for applic ...

  • Lennox International Inc. 15CHAX Series - page 4

    Page 4  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 ...

  • Lennox International Inc. 15CHAX Series - page 5

    Page 5 Existing Common Vent Systems The 15CHAX packaged cooling units with auxiliary electric heat may replace an existing furnace which is being re- moved from a venting system commonly run with separate gas appliances. In this case, the existing vent system is likely to be too large to properly vent the remaining at- tached appliances. Conduct th ...

  • Lennox International Inc. 15CHAX Series - page 6

    Page 6 Filters Filters are not factory−supplied with the unit; however, optional internally installed filter kits are available. Filter kit 92 M 5 4 is used with 2, 2−1/2 and 3−ton units. Filter kit 92M55 is used with 3−1/2, 4 and 5−ton units. The filter kits accommodate the use of 1", 2" or 4" filters. If the optional filt ...

  • Lennox International Inc. 15CHAX Series - page 7

    Page 7 Unit must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electric Code, ANSI/NFPA No. 70 (latest edition) or CSA C22.2 Part 1 (latest edition). Power supply to the unit must comply with all applicable codes and NEC or CEC. A fused disconnect switch should be field provided for the u ...

  • Lennox International Inc. 15CHAX Series - page 8

    Page 8 Figure 7 15CHAX Series Packaged Electric Units Typical Wiring Diagram ...

  • Lennox International Inc. 15CHAX Series - page 9

    Page 9 Blower Control Board (A54) Electric shock hazard. Can cause injury or death. Before attempting to perform any service or m aintenance, turn the electrical power to unit OFF at disconnect switch(es). Unit may have multiple power supplies. WARNING ! 15CHAX units are equipped with a variable speed motor that is capable of maintaining a specifie ...

  • Lennox International Inc. 15CHAX Series - page 10

    Page 10 COOL The COOL jumper is used to determine the CFM during cooling operation. This jumper selection is activated for cooling when Y1 is energized. Th e blower motor runs at 80 percent of the selected air flow fo r the first 7−1/2 minutes of each cooling demand. This fea- ture allows for greater humidity removal and saves energy. In the cool ...

  • Lennox International Inc. 15CHAX Series - page 11

    Page 11 System Operation Monitor (LSOM) The system operation monitor (A132) detects the most common fault conditions in the air conditioning system. Whe n an abnormal condition is detected, the module com- municates the specific condition through its ALERT and TRIP lights. The module is capable of detecting both me- chanical and electrical system p ...

  • Lennox International Inc. 15CHAX Series - page 12

    Page 12 Table 5 System Operation Monitor LED Troubleshooting Codes Status LED Condition Status LED Description Status LED Troubleshooting Information Green Power" LED ON Module has power 24VAC control power is present at the module terminal. Green Power" LED OFF Module not powering up Determine/verify that both R and C module termin ...

  • Lennox International Inc. 15CHAX Series - page 13

    Page 13 Unit Start−Up and Operation Each 15CHAX packaged cooling unit is factory−charged with R−410A refrigerant. The compressor is hermetically sealed, internally sprung and base−mounted with rubber−insulated hold−down bolts. Pre−Start Check List: 1 − M a ke sure refrigerant lines do not rub against the cabi- net or each other. 2 ? ...

  • Lennox International Inc. 15CHAX Series - page 14

    Page 14 Condenser Fan Clearances The top of the condenser fan should be 1−1/2 inches from the bottom of the top grille. This dimension should be checked and the fan should be adjusted accordingly any time servicing of the outdoor fan system is required. Maintenance At the start of each cooling season, this equipment should be serviced by a licens ...

Manufacturer Lennox International Inc. Category Air Conditioner

Documents that we receive from a manufacturer of a Lennox International Inc. 15CHAX Series can be divided into several groups. They are, among others:
- Lennox International Inc. technical drawings
- 15CHAX Series manuals
- Lennox International Inc. product data sheets
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- or energy labels Lennox International Inc. 15CHAX Series
All of them are important, but the most important information from the point of view of use of the device are in the user manual Lennox International Inc. 15CHAX Series.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Lennox International Inc. 15CHAX Series, service manual, brief instructions and user manuals Lennox International Inc. 15CHAX Series. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Lennox International Inc. 15CHAX Series.

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A complete manual for the device Lennox International Inc. 15CHAX Series, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Lennox International Inc. 15CHAX Series by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Lennox International Inc. 15CHAX Series.

A complete Lennox International Inc. manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Lennox International Inc. 15CHAX Series - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Lennox International Inc. 15CHAX Series, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Lennox International Inc. 15CHAX Series, that we can find in the current document
3. Tips how to use the basic functions of the device Lennox International Inc. 15CHAX Series - which should help us in our first steps of using Lennox International Inc. 15CHAX Series
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Lennox International Inc. 15CHAX Series
5. FAQ - Frequently Asked Questions
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