LENNOX Varix VRF MultiZone | 20 Ton 575V | Parts by Samsung

• Energy Star®: Yes
• WiFi: Included
• Efficiency: SEER
• Warranty (Compressor - Parts - Labor): 10-10-0
• Additional Warranty (10-10-10): Possible
• Voltage: 575 V
• Sound Pressure Level (Outdoor): 68.0 dB(A)
• Gas (Freon): R-410A

An HVAC system designed for unparalleled commercial performance

At AirGreen, we focus on reliability, energy efficiency, and peace of mind for our customers in the greater Montreal , Laval , Longueuil , North Shore , and South Shore areas. The LENNOX Varix VRF MultiZone | 20 Tons 575V | Parts by Samsung meets these requirements, while offering unparalleled installation flexibility for commercial and industrial building owners. In this article, we present the major features of this HVAC system, its ability to optimize heating and cooling distribution, and the concrete benefits it offers for different types of buildings. We will also share practical examples of installations carried out by our team, as well as our HVAC maintenance recommendations to get the best possible performance from it.

The perfect VRF solution for ambitious commercial projects

To effectively control the temperature of large buildings, it is essential to adopt a system capable of precisely distributing heat and air conditioning across multiple zones. The LENNOX Varix VRF MultiZone | 20 Tons 575V | Parts by Samsung stands out as a cutting-edge HVAC technology that allows for highly personalized multi-zone management. With its cooling capacity of 240,000 BTUs and a heating operating range down to -30°C, this system offers ideal versatility for the harsh winters of our Quebec climate. It is ideal for office buildings, residential complexes, hotels, and multifunctional buildings.

Main technical characteristics

• Cooling capacity : 240,000 BTU (20 tons)

• Voltage : 575V (three-phase)

• Refrigerant : R-410A

• Exterior noise level : 68.0 dB(A)

• Maximum number of zones : 41

• Serial number (exterior) : VPC240S4M-4J

• Dimensions (L x D x H) : 73.25 x 30.13 x 66.75

• Technology : VRF (Variable Refrigerant Flow) with heat recovery

• Compatibility with various indoor fan coils : 4-way cassettes, 360 cassettes, wall-mounted units, floor consoles, ducted units, etc.

Due to its modularity, the system can integrate multiple indoor units of varying sizes, making it easy to integrate into environments with multiple configurations. The Varix VRF also features advanced refrigerant pressure management features, allowing continuous adaptation of heating or cooling capacity based on the actual demand of each zone.

Parts by Samsung: the combination of reliability and innovation

The LENNOX Varix VRF MultiZone is powered by carefully selected Samsung components . This partnership was born from a clear objective: to combine Lennox's expertise in the commercial sector with Samsung's expertise in electronic components and refrigerant management technologies. In concrete terms, this combination ensures:

• Improved durability of critical components

• Reduced breakdowns thanks to a design designed to limit mechanical stress

• Simplified maintenance , as Samsung parts are widely available

• Stable performance even in Montreal's extreme winter conditions

How does multi-zone VRF work?

The principle of Variable Refrigerant Flow is based on the ability to circulate a variable amount of refrigerant through the network. The compressor modulates its speed to precisely adjust the flow according to the thermal demand of each zone. When the HVAC system is designed for heat recovery, it becomes possible to heat certain rooms while cooling others. This feature is valuable for large structures in which the orientation of the rooms, internal activity, and the presence of various machinery generate different heating requirements.

Benefits of Heat Recovery

• Energy savings : Energy from rooms in cooling mode is reused to heat other areas, reducing overall consumption.

• Optimized comfort : each space benefits from the right temperature, independently of the rest of the building.

• Operating flexibility : ideal for mixed-use buildings (offices, shops, residential).

Case Study: Installation of a 20-ton Varix VRF in Montreal

At AirGreen, we recently installed a LENNOX Varix VRF MultiZone 20 Ton 575V in a five-story office complex in Montreal . The owner wanted to improve the distribution of heating and cooling without having to resort to a complete overhaul of the ductwork. Previously, the single-zone forced-air system created noticeable temperature variations: some floors were too hot, while others lacked heat. Our technicians therefore:

1. Accurately assessed the thermal load of each floor and defined the number of zones required.

2. Recommended the addition of cassette-type indoor units for large open spaces and wall-mounted units for more partitioned meeting rooms.

3. Installed the Varix outdoor unit on the roof, taking advantage of its compact shape (73.25 x 30.13 x 66.75) to fit into the existing space.

4. Implemented a Mode Selection Box to simultaneously manage heating and air conditioning.

5. Optimized inverter compressor programming according to peak occupancy periods (office hours) and off-peak periods (evenings, weekends).

The result: the building manager now sees a measurable reduction in energy consumption and a significant improvement in overall comfort, allowing tenant companies to work in more comfortable conditions. Automatic adjustment of the refrigerant flow rate has also helped limit sudden temperature fluctuations and maintain stable humidity levels.

Performance adapted to Quebec winters

The LENNOX Varix VRF MultiZone | 20 Tons 575V | Parts by Samsung operates in heating mode down to -30°C, making it a great ally against our cold winters. VRF systems with a vapor injection compressor (flash injection) maintain heating capacity even when the outside temperature drops drastically. This point is particularly appreciated in the North Shore and South Shore , where winter temperatures can drop well below zero for extended periods.

HVAC Maintenance: AirGreen Best Practices

To maintain the performance and reliability of your HVAC system , we recommend regular maintenance:

• Cleaning indoor units : Cassettes, consoles and fan coils should be dusted and inspected to ensure good air circulation.

• Checking the R-410A refrigerant level : an insufficient level reduces efficiency and places more strain on the compressor.

• Heat exchanger inspection : Excessive fouling can impair cooling and heating capacity.

• Checking electrical circuits : in particular the voltage (575V) and connections to avoid any overheating or untimely shutdown.

• Firmware update if necessary on the control box, to benefit from the latest energy optimization algorithms.

At AirGreen, we offer flexible HVAC maintenance contracts tailored to large commercial, institutional, and residential buildings. We believe that rigorous monitoring, combined with rapid response to breakdowns, can significantly extend the lifespan of a VRF system.

Why choose AirGreen for your VRF project?

1. Extensive Expertise : Our team has years of experience installing and maintaining VRF systems for clients of varying sizes (small businesses, large residential buildings, commercial complexes).

2. Targeted interventions : We have developed a multi-step diagnostic approach to quickly identify the source of any anomalies. Our goal is to minimize downtime for our customers.

3. Complete technical support : From the design phase (sizing the thermal load, choice of location, selection of the type of indoor units) to commissioning, then to post-installation monitoring.

4. Extensive geographic coverage : We operate throughout Montreal , Laval , Longueuil , the North Shore and the South Shore . Our teams are regularly trained to understand local specificities, including applicable regulations and subsidies.

5. Transparency and honesty : We always offer a clear quote, competitive rates, and reliable information on completion and maintenance times. As air conditioning and heating specialists, we strive to build a relationship of trust with our customers.

Installation and commissioning: Practical advice

When it comes to installing a LENNOX Varix VRF MultiZone , it is crucial to follow these key steps:

• Analysis of the building structure : Height of ceilings, distribution of partitions, potential obstacles for the passage of refrigeration pipes.

• Accurate sizing : With a capacity of 20 tonnes and the ability to connect up to 41 indoor units, it is imperative to carefully assess the layout to avoid oversizing or undersizing the circuits.

• Careful choice of indoor units : Cassettes (2x2, 3x3, 360), wall-mounted, ducted, etc. Each type is suitable for a different use (open space, closed rooms, areas with false ceilings, etc.).

• Mode selection box : Allows the hot circuit to be separated from the cold circuit. The sizing of this box (port 1, 2, 4, 6, 8 or 12) must correspond to the number of indoor unit groups.

• Electrical compatibility check : The device requires 575V. Industrial sites and some commercial buildings often have this voltage, but a preliminary inspection is required.

• Operational test : Before final commissioning, our refrigeration engineers carry out tests to ensure the tightness of the pipes, the correct pressure balancing and the appropriate software configuration.

Real case on the South Shore: Optimizing comfort in a medical complex

On the South Bank , we equipped a medium-sized medical clinic with a LENNOX Varix VRF 20 Tonnes with several ducted and wall-mounted indoor units. Patients and nursing staff now benefit from individualized control in the consultation rooms, reception, and common areas. The absence of large traditional air ducts freed up space for medical equipment, which greatly facilitated the layout of the building. User feedback highlights improved air quality and reduced noise levels, contributing to a calmer atmosphere conducive to care.

Energy performance and returns on investment

With a high SEER rating and Energy Star® standards, the LENNOX Varix VRF MultiZone is positioned as a cost-effective long-term solution. The feedback we see from our customers in Montreal and Laval often highlights:

• Energy bills reduced by 10% to 30% compared to older constant flow systems.

• Reduced maintenance : fewer moving mechanical parts than a network of bulky ducts and multiple independent fan coils.

• Scalability flexibility : if the building is enlarged, it is often possible to add other indoor units or combine several outdoor modules, without having to review the entire installation.

Connected devices and automated management

To optimize VRF system management, the use of smart controllers is essential. Samsung's components offer the ability to integrate Wi-Fi connectivity and connect to building management systems (BMS). Building managers can thus:

• Schedule operating time slots that fit with opening hours.

• Monitor the energy consumption of each zone in real time.

• Receive alerts when a refrigerant pressure deviation is detected.

• Quickly diagnose possible breakdowns via a clear and intuitive interface.

Conclusion

The LENNOX Varix VRF MultiZone | 20 Tons 575V | Parts by Samsung demonstrates a remarkable ability to meet energy and comfort challenges in commercial and institutional buildings in Quebec. Its modular design, resistance to cold winters, and combination of Samsung parts make it a reliable and durable choice. At AirGreen, we are proud to offer, install, and maintain this HVAC system, while ensuring personalized follow-up for each project.

Would you like a quote or more information on installing a Varix VRF MultiZone? Contact AirGreen now . We will answer all your questions and assist you in implementing this cutting-edge system. Take advantage of our expertise to ensure optimal performance and unparalleled comfort in your professional spaces.