In this article, ACHR News highlights the latest commercial heating products. The manufacturer has provided us with a brief description of the features included in each product. For more information, please contact the manufacturer or its distributor.
Service Features: Retractable access to filter, economizer, blower and energy recovery wheel. Hinged doors with lockable handles provide easy access to all parts of the unit. Easy access to compressor and controls. Color-coded wiring diagrams allow you to quickly identify and analyze connections, reducing maintenance time and costs. Individual components and wires are also labeled for quick evaluation of the circuit.
Noise Reduction: Double-wall cabinet construction of rigid PU foam panel dampens the radiated noise of the compressor and fan. Direct drive fans with variable frequency drive control the airflow and reduce the noise level. Optional compressor sound screen.
Supported IAQ equipment: UV lamps for heat exchanger cleaning or single pass air disinfection. The stainless steel drain pan is double sloped to ensure good drainage and prevent microbial growth. Airflow monitoring and economizer CO2 override can be used to monitor and improve indoor air quality. Cleanable double wall panel design inhibits microbial growth.
Optional: The RN series rooftop units feature variable speed compressors combined with modulating electric heaters to ensure precise comfort control even on extreme project days. Optimized defrost management prevents frost formation when the temperature drops and the air humidity rises. Provides higher heating output than conventional heat pumps, even at outdoor temperatures as low as 0°F, providing a solution to the growing need to decarbonize buildings.
Warranty Information: Standard 1 year parts warranty and 5 year compressor warranty. Optional two-, five- or ten-year parts warranties. Standard 15 year aluminum or 25 year stainless steel heat exchanger warranty.
Serviceability: Hinged doors provide easy access to internal components. Finger protection for electrical connections and components. Additional interfaces for 4″, 7″ and 10″ touch screen devices.
Additional Features: The PR Series offers exceptional performance and versatility. Available in various combinations of sizes and options, it is ideal for a variety of applications requiring special outdoor air, mixed air and dehumidification. Addison also specializes in providing the customer with semi-custom solutions for these high-tech applications. The PR collection is ideal for retail, office, hospitality and more. The PR model also features a new dehumidifier wheel option for applications requiring ultra-low dew points.
Warranty Information: One year for all parts, five years for the compressor. An optional extended warranty is available.
Serviceability: The large access panel features comfortable handles and non-removable screw technology. The air filter is accessed through a tool-free filter access door. The new block control board connection layout simplifies troubleshooting. Simple fan adjustment is done in the ECM with an intuitive switch/rotary switch to set the DC voltage. The unit also has a corrosion-resistant, self-draining condensate drip tray with an internal slope.
Noise reduction features: fully insulated cabinets, isolated scroll compressor and balanced indoor/outdoor fan system. The internal fan is an X-Vane/Vane axial fan with built-in boost technology to reduce startup noise. Lightweight, high-strength composite fan blades in the outdoor fan system minimize noise. The acoustic dBA of the X-Vane unit is 79 (telephone dialing dBA is 80 dBA).
Supported IAQ devices: factory and local fresh air economizers with demand-controlled ventilation. The Economizer X uses diagnostic troubleshooting tools to ensure the operation and control of ventilation air when running multi-speed motors. Units are available with a variety of gas heating sizes to suit specific climates and applications.
Extras: The X-Vane Fan Technology internal fan system has 75% fewer moving parts than traditional belt driven systems and consumes less power. New 5/16″ round copper tubes and an aluminum sheet condenser coil help improve efficiency and reduce refrigerant consumption. Easy fan adjustment with DC voltmeter reference and switch/rotary encoder. The device has the same dimensions as it did 30 years ago, making it ideal for a replacement. Special training is not required.
Warranty Information: 15-year limited warranty on optional stainless steel heat exchanger; 10 year limited warranty on aluminum coated heat exchanger; 5-year limited compressor warranty; 1 year limited warranty on all other components. Comes with an extended parts warranty of up to five years. See the Warranty Certificate for full details and limitations.
Special installation requirements: Axial blade fans always rotate in the correct direction. The installer must perform a proper start-up, which includes checking the three-phase compressors to make sure they are in the correct phase and measuring temperature/pressure at start-up to make sure the compressors are running. If the installer is unable to verify the operation of the cooling at startup (i.e. winter start), the cooling should be disabled until the installer returns and completes a proper startup.
Serviceability: The new unit control board consolidates all connections and troubleshooting points in one convenient location. Most low voltage connections can be made on the same easily accessible board. The large control box provides work space and easy installation of accessories. The intuitive switch and rotary switch make it easy to set fan parameters. The field is converted to horizontal airflow for flexible installation.
Noise reduction features: fully insulated cabinets, isolated scroll compressor and balanced indoor/outdoor fan system. The internal fan is an X-Vane/Vane axial fan with built-in boost technology to reduce startup noise. Lightweight, high-strength composite fan blades in the outdoor fan system minimize noise.
Supported IAQ devices: factory and local fresh air economizers with demand-controlled ventilation. Economizers use troubleshooting diagnostics to operate and control ventilation air when multi-speed motors are running.
Additional Features: The X-Vane Fan Technology internal fan system consumes less power and has 75% fewer moving parts than traditional belt driven systems. Easy fan adjustment with DC voltmeter reference and switch/rotary encoder. New 5/16″ round copper tube and aluminum fin condenser coils help improve efficiency and reduce refrigerant consumption. These units are the same size as they were 30 years ago, making them ideal for replacements. No special training required.
Warranty Information: Five year limited warranty on the compressor and one year limited warranty on all other parts. Comes with an extended parts warranty of up to five years. See the Warranty Certificate for full details and limitations.
Special installation requirements: Axial blade fans always rotate in the correct direction. The installer must perform a proper start-up, which includes checking the three-phase compressors to make sure they are in the correct phase and measuring temperature/pressure at start-up to make sure the compressors are running. If the installer is unable to verify the operation of the cooling at startup (i.e. winter start), the cooling should be disabled until the installer returns and completes a proper startup.
Service Features: Accessible gas chamber provides quick and easy access to all gas components. The removable drift eliminator simplifies maintenance, increasing application flexibility and serviceability. Retractable blower motor reduces installation time and simplifies maintenance. Isolated compressors allow performance checks to be made while the unit is running without interrupting the airflow. Low-maintenance automatic fan belt tensioner helps extend belt life and allow quick belt replacement.
Supported IAQ devices: up to MERV 13 filters. Optional heated dehumidification system. Optional high performance economizer.
Additional features: Eco-Last coil system and optional tubular fin coils. High voltage switch. Retractable fan. Direct or belt drive options. Easy access to the air chamber. Corrosion resistant, removable, reversible drain pan. Independent fan motor bracket. CAV meets DOE 2018 minimum performance standards. Padded base. Automatic fan belt tensioner. Marking and color coding of wiring. Electrical plugs with positive connection for frequently used accessories for easy installation and removal.
Warranty Information: 15-year limited warranty on stainless steel gas heat exchangers; 10 year limited warranty on aluminum coated gas heat exchangers; 5-year limited warranty on compressors; 3-year limited warranty on Eco-Last coil systems; one year limited warranty on covered components.
Special installation requirements: Over 100 field selectable options ensure quick and easy installation. Mounting clearances are specified in the Maintenance Manual.
Serviceability Features: Newly designed control panel provides easy access to all connections and troubleshooting points. The intuitive switch and rotary switch make it easy to set/adjust the X-Vane fan speed. The size of the cabinet easily fits into the existing curb area. Comfortable handle and non-removable screw system.
Noise reduction features: fully insulated cabinets, isolated scroll compressor and balanced indoor/outdoor fan system. The internal fan is an X-Vane/Vane axial fan with built-in boost technology to reduce startup noise. Lightweight, high-strength composite fan blades in the outdoor fan system minimize noise. The acoustic dBA of the X-Vane is 79 (dBA of the dial tone is 80).
Supported IAQ devices: factory and local fresh air economizers with demand-controlled ventilation. The Economizer X uses diagnostic troubleshooting tools to ensure the operation and control of ventilation air when running multi-speed motors. Units are available with a variety of gas heating sizes to suit specific climates and applications.
Extras: The X-Vane Fan Technology internal fan system has 75% fewer moving parts than traditional belt driven systems and consumes less power. New 5/16″ round copper tubes and an aluminum sheet condenser coil help improve efficiency and reduce refrigerant consumption. Easy fan adjustment with DC voltmeter reference and switch/rotary encoder. The device has the same dimensions as it did 30 years ago, making it ideal for a replacement. Special training is not required.
Warranty Information: 15-year limited warranty on optional stainless steel heat exchanger; 10 year limited warranty on aluminum coated heat exchanger; 5-year limited compressor warranty; 1 year limited warranty on all other components. Extended warranty available. See the Warranty Certificate for full details and limitations.
Special installation requirements: Axial blade fans always rotate in the correct direction. The installer must perform a proper start-up, which includes checking the three-phase compressors to make sure they are in the correct phase and measuring temperature/pressure at start-up to make sure the compressors are running. If the installer is unable to verify the operation of the cooling at startup (i.e. winter start), the cooling should be disabled until the installer returns and completes a proper startup.
Serviceability: The new unit control board consolidates all connections and troubleshooting points in one convenient location. Most low voltage connections can be made on the same easily accessible board. The large control box provides work space and easy installation of accessories. The intuitive switch and rotary switch make it easy to set fan parameters. The field is converted to horizontal airflow for flexible installation.
Noise reduction features: fully insulated cabinets, isolated scroll compressor and balanced indoor/outdoor fan system. The internal fan is an X-Vane/Vane axial fan with built-in boost technology to reduce startup noise. Lightweight, high-strength composite fan blades in the outdoor fan system minimize noise.
Supported IAQ devices: factory and local fresh air economizers with demand-controlled ventilation. Economizers use troubleshooting diagnostics to operate and control ventilation air when multi-speed motors are running.
Additional Features: Indoor fan system with X-Vane Fan Technology consumes less power and has 75% fewer moving parts than traditional belt driven systems. Easy fan adjustment with DC voltmeter reference and switch/rotary encoder. New 5/16″ round copper tube and aluminum fin condenser coils help improve efficiency and reduce refrigerant consumption. These units are the same size as they were 30 years ago, making them ideal for replacements. No special training required.
Warranty Information: Five year limited warranty on the compressor and one year limited warranty on all other parts. Comes with an extended parts warranty of up to five years. See the Warranty Certificate for full details and limitations.
Special installation requirements: Axial blade fans always rotate in the correct direction. The installer must perform a proper start-up, which includes checking the three-phase compressors to make sure they are in the correct phase and measuring temperature/pressure at start-up to make sure the compressors are running. If the installer is unable to verify the operation of the cooling at startup (i.e. winter start), the cooling should be disabled until the installer returns and completes a proper startup.
Serviceability Features: Designed to pass through protruding walls. Front and center control panels for easy access to components. Hinged, lockable, removable door. Modular design for transportation through standard doors or lifts. Can be installed in the left or right corner without modification. Additional service features include inboard and outboard ECM motors, high and low pressure switches, and corrosion resistant drain pans.
Noise Reduction Features: Two-stage scroll compressor with discharge silencer, double floating isolation mounting system and silencer cover. Eco-friendly and high performance recycled denim insulation. Depending on requirements and budget, acoustic accessories can be added to reduce operating noise.
Supported IAQ devices: Energy recovery fan and commercial fan options available.
Additional Features: Designed for classrooms and similar environments where high efficiency and the lowest possible noise levels are required. Provides superior indoor air quality and quiet operation. With Bud, each room is its own ecosystem with precise control of temperature, humidity and ventilation. Troubleshooting or replacing a unit does not require shutting down all building systems, and most schools or commercial buildings use their own maintenance staff to perform scheduled maintenance.
Maintainability Features: All installation and maintenance work can be done inside the building, simplifying multi-level installation. The hinged, removable front panel provides easy access to the air filter and all electrical controls. Durable permanent casters make it easy to install and remove. Available with plenum without duct or hot water plenum. The device is also available for transport.
Noise Canceling: Quiet technology delivers extremely quiet indoor noise levels by using patent-pending components and materials. This allows the unit to be installed inside the classroom without the need for an outdoor condensing unit or rooftop equipment. Natural fiber insulation eliminates all fiberglass in the airflow. In addition, the compressor noise cover and double grommets help reduce noise levels.
Support for IAQ devices: Available ventilation kits include commercial room fans and energy recovery fans. All modern products have ECM motors suitable for MERV 13 filters. The unit is also equipped with UV-C-LED lamps for air disinfection.
Additional Features: Q-Tec is part of Bard’s extensive line of classroom climate control equipment. Designed for year-round comfort, QWS provides heating, cooling, dehumidification and ventilation while using the most efficient solar collector: groundwater. The versatile design allows the QWS to be connected to a boiler/tower, drilling site, or a separate ground. A two-stage stepped compressor, a variable speed fan motor and a cupro-nickel water coil ensure superior efficiency.
Serviceability Features: Large access panel with comfortable handles and screw-free technology, and air filter access via a tool-free filter access door. The new unit control board layout is designed for easy troubleshooting in one area. Simple fan adjustment is done in the ECM by setting the DC voltage using an intuitive switch and rotary knob. The unit has a corrosion-resistant, self-draining condensate drip tray with an internal slope.
Noise reduction features: isolated cabinets, separate scroll compressor installations, balanced indoor and outdoor fan systems. The internal fan is designed with Axion Fan Technology/Vane Axial Fan technology with built-in boost technology to soften the sound other traditional systems make when starting up. The units are built on a rigid base plate and bottom rail design to retain the original design.
Supported IAQ Equipment: Factory air filters that can be field upgraded to higher MERV ratings. Factory territory, field, fresh air and energy saving economizers are all available. The Economizer uses Fault Detection Diagnosis (FDD) control to provide operation and ventilation air control for multi-speed motors. Units are available with a variety of heating size options to suit specific climates and applications.
Additional Features: The multi-stage indoor fan system with Axion technology has 75% fewer moving parts than traditional belt driven systems and consumes less energy. New 5/16″ copper round tube and aluminum fin condenser coil helps improve efficiency, reduce refrigerant charge and increase heating capacity. Easy fan adjustment with DC voltmeter reference and switch/rotary encoder. Special training is not required. The device has the same dimensions as 31 years ago, making it ideal for a replacement.