Twinning Kit NAHA003WK.01

For Use With Furnace Models Using

Honeywell ST9120 and ST 9160 Electronic Fan Controls

Please read these instructions completely before attempting installation.

!

Electrical shock hazard/Fire and/or explosion haz- ard.

Turn off electric power supply at disconnect switch or service panel before starting installation.

Turn off gas supply at field installed manual gas valve before starting installation.

Failure to follow this warning can result in property damage, personal injury and/or death.

Furnace Installation

Refer to the Installation Instructions packed with the furnaces for information about clearances, start--up and maintenance, gas piping and vent installation.

CAUTION

Furnaces installed MUST be identical. They may be installed on a raised platform or wood floor which MUST be level. When side return is required, separate return air drops MUST be made to both furnaces. Do not use rear of furnace for the return air duct connection.

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Installation or repairs made by unqualified persons can result in hazards to you and others. Installation MUST conform with local building codes or, in the absence of local codes, with the National Fuel Gas Code NFPA 54/ANSI A223.1,1990 or latest edition. In Canada, National Standard CAN/CGA B149-1.

The information contained in this manual is in- tended for use by a qualified service technician fa- miliar with proper safety procedures and equipped with the proper tools and test instruments.

Failure to carefully read and follow all instructions in this manual can result in furnace malfunction, property damage, personal injury and/or death.

This twinning kit is intended to permit two identical gas furnaces to be installed connected to the same duct work. Air conditioning can be added by using one air conditioning evaporator coil sized for the total air flow capabilities of the two furnaces.

Single and Two Stage Heating

Single or two stage heating is obtainable using twinning kit NAHA003WK01. Follow the instructions located in the Twinning Kit Installation section for proper hookup of desired thermostat staging.

CAUTION

Make sure blower motors are wired to operate on the same speed tap.

CAUTION

Two furnaces must be plumbed with a single supply gas shut off valve.

NOTE: When twinning kit has been installed, locate the adhesive backed wiring diagram included in the kit and apply next to the existing wiring diagrams in the furnaces.

TWINNING KIT INSTALLATION

The twinning kit contains (2) 36” wires of two different colors to interconnect the electronic fan controls of the two furnaces. For proper operation, and to avoid damage to the controls, be sure to match Z1 to Z1 and Z2 to Z2 or C to C and H to H on each fan control (see Figure 1 and Figure 2). The wires are color coded to assist with this connection. Each wire is factory terminated with a special crimped edge connector which will push into mating connection positions on the edge of the circuit board on each fan control. The length of these wires can be extended by cutting and splicing sufficient additional wire to each lead.

An isolation relay is provided to protect the system’s thermostat from possible overloading due to the combined valve and control load of the two appliances.

Printed in U.S.A.

441 06 1003 02 (10/2001)

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Bryant installation instructions Twinning Kit NAHA003WK.01
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NAHA003WK.01 specifications

The Bryant NAHA003WK.01 is a cutting-edge air conditioning unit designed for both residential and light commercial applications. As a reliable brand in the HVAC industry, Bryant offers this model with a focus on energy efficiency, comfort, and advanced technology.

One of the standout features of the Bryant NAHA003WK.01 is its impressive SEER (Seasonal Energy Efficiency Ratio) rating, which ensures lower energy consumption and reduced utility bills. This model is engineered to operate efficiently, making it environmentally friendly while providing optimal cooling performance. The high efficiency is particularly beneficial for users looking to maintain a cool indoor environment without incurring high energy costs.

A key technology integrated into the Bryant NAHA003WK.01 is its variable-speed compressor. This advancement allows the unit to adjust its cooling output based on the current temperature demands, which means it can run at lower speeds for longer periods. This not only enhances energy savings, but also aids in maintaining consistent indoor temperatures, leading to improved overall comfort.

Moreover, the Bryant NAHA003WK.01 is equipped with a robust air filtration system designed to improve indoor air quality. With a filter that captures dust, allergens, and other particulates, this unit helps create a healthier living space. The ease of access to the filter also makes maintenance straightforward, allowing users to replace or clean the filter without hassle.

Durability is another characteristic of the Bryant NAHA003WK.01. Constructed with high-quality materials, the unit is built to withstand various weather conditions, ensuring longevity and reliable performance over time. Its compact design also allows for flexible installation options, making it suitable for different spaces without compromising on aesthetics.

In terms of controls, the Bryant NAHA003WK.01 features advanced smart technology compatibility. Users can easily integrate the unit with a smart thermostat or home automation systems, enabling convenient remote management. This allows individuals to adjust settings and optimize performance from their smartphones or tablets.

In summary, the Bryant NAHA003WK.01 air conditioning unit stands out for its energy efficiency, variable-speed compressor technology, superior air filtration system, durable construction, and smart controls. This makes it an ideal choice for those seeking a reliable and effective cooling solution that caters to modern comfort needs while being conscious of energy consumption.
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