Optional Electric Heat

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 unit. The switch must be separate from all other circuits. If any of the wire supplied with the unit must be replaced, replacement wire must be of the type shown on the wiring diagram.

Electrical wiring must be sized to carry minimum circuit ampacity marked on the unit. USE COPPER CONDUCTORS ONLY. Each unit must be wired with a separate branch circuit and be properly fused.

WARNING

Unit is equipped with a single−pole contactor. Line voltage is present at all components when unit is not in operation. Disconnect all remote electric power supplies before opening access panel. Unit may have multiple power supplies. Failure to disconnect all power supplies could result in personal injury or death.

CAUTION

When connecting electrical power and control wir- ing to the unit, waterproof type connectors MUST be used so that water or moisture cannot be drawn into the unit during normal operation.

WARNING

Unit must be grounded in accordance with national and local codes. Failure to ground unit properly can result in personal injury or death.

See figure 6 for typical field wiring connections and figure 7 for typical unit wiring diagram.

Optional electric heat is available and must be purchased separately. Install the electric heat section as outlined in

the installation instructions packaged with the electric heat section.

Thermostat

The room thermostat should be located on an inside wall where it will not be subject to drafts, sun exposure or heat from electrical fixtures or appliances. Follow manufacturer’s instructions enclosed with thermostat for general installation procedure. Color coded insulated wires (# 18 AWG) should be used to connect thermostat to unit.

Typical Single−Phase Unit Wiring Connections

Figure 6

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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.