Instruction/ maintenance manual of the product 15CHAX Series Lennox International Inc.
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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 .
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 .
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.
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.
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.
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.
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.
Page 8 Figure 7 15CHAX Series Packaged Electric Units Typical Wiring Diagram.
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).
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.
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.
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.
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.
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.
An important point after buying a device Lennox International Inc. 15CHAX Series (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lennox International Inc. 15CHAX Series yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lennox International Inc. 15CHAX Series - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lennox International Inc. 15CHAX Series you will learn all the available features of the product, as well as information on its operation. The information that you get Lennox International Inc. 15CHAX Series will certainly help you make a decision on the purchase.
If you already are a holder of Lennox International Inc. 15CHAX Series, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lennox International Inc. 15CHAX Series.
However, one of the most important roles played by the user manual is to help in solving problems with Lennox International Inc. 15CHAX Series. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lennox International Inc. 15CHAX Series along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
