Parts Arrangement

General

SA pre−filter must be installed at the entry to the return air duct.

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 on a rooftop or a slab. The units are equipped with a transformer and blower control for applications which do not include electric heat. Electric heat sections are available for separate order.

The unit must be sized based on heat loss and heat gain calculations made according to the methods of the Air Conditioning Contractors of America (ACCA).

The units are shipped assembled. All piping, refrigerant charge, and electrical wiring are factory−installed and tested. The units require electric power, condensate drain and duct connections at the point of installation.

Use of this unit as a construction heater or air conditioner 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 unit has been used for heating or cooling of buildings or structures under construction, the following conditions must be met or the warranty will be void:

S A room thermostat must control the unit. The use of fixed jumpers that will provide continuous heating or cooling is not allowed.

S The return air duct must be provided and sealed to the unit.

S Return air temperature range between 55°F (13°C) and 80°F (27°C) must be maintained.

S Air filters must be replaced and pre−filter must be re- moved upon construction completion.

SThe unit components, duct system, air filters and evap- orator coil must be thoroughly cleaned following final construction clean−up.

SThe unit operating conditions (including airflow, cool- ing operation, and heating operation) must be verified according to these installation instructions.

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:

DFor use as a cooling unit.

DFor outdoor installation only.

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Lennox International Inc 15CHAX Series installation instructions Parts Arrangement General, Requirements
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15CHAX Series specifications

Lennox International Inc. is a leading provider of climate control products and systems, and their 15CHAX Series represents a significant advancement in residential heating and cooling technology. This series is designed with efficiency, comfort, and advanced features to cater to modern HVAC needs.

One of the standout features of the 15CHAX Series is its impressive Seasonal Energy Efficiency Ratio (SEER) rating. With ratings up to 15 SEER, the 15CHAX units offer substantial energy savings compared to older models. This level of efficiency not only reduces electricity costs but also minimizes the environmental impact, making it a preferred choice for eco-conscious consumers.

The 15CHAX Series is equipped with variable-speed technology, which allows for more precise temperature control and enhanced comfort. This technology enables the unit to adjust its cooling output in real time based on the home’s needs, providing more consistent temperatures and improved humidity control. As a result, homeowners experience a higher level of comfort without the fluctuations often associated with single-speed units.

One of the defining characteristics of the 15CHAX Series is its quiet operation. The units are designed with advanced noise reduction features, including sound-dampening technology and insulated cabinetry, ensuring a peaceful indoor environment. This makes the 15CHAX perfect for installation in homes where noise reduction is important.

Moreover, Lennox's 15CHAX Series incorporates advanced technology features such as the iComfort S30 Smart Thermostat, which offers smart climate control and can be integrated with home automation systems. This allows homeowners to control their heating and cooling remotely via smartphones or smart devices, providing unparalleled convenience and energy management.

Durability and reliability are also vital components of the 15CHAX Series. Built with high-quality materials and components, these units are designed to withstand varying weather conditions and have a robust warranty, assuring customers of their long-lasting performance.

Overall, the Lennox 15CHAX Series exemplifies innovation in HVAC technology with its energy efficiency, quiet operation, advanced control features, and reliable performance. This makes it an excellent choice for homeowners looking to enhance their comfort while being mindful of energy consumption and environmental impact.
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