Installation & Operation Manual

2 Venting (continued)

￿WARNING Only use a sidewall air inlet cap supplied by the appliance manufacturer or a rooftop air inlet cap supplied by either the vent

3'

or appliance manufacturer. Using any other air inlet cap for single

MIN

 

unit installations or using a common air inlet cap for multiple

12"

units with insufficient free area and/or protections from wind and

weather may result in operational problems and the spillage of

MIN

 

flue products. Spillage of flue products can cause personal injury

 

or death due to carbon monoxide poisoning.

 

For single unit installations with sidewall air inlet you must order the sidewall air

 

inlet kit from the appliance manufacturer. The part number for each SVK kit is

 

listed by unit size in Table 2B.

For single unit installations with rooftop air inlet (see FIG. 2-8), you must order

the rooftop air inlet kit from the appliance manufacturer. The part number for

each VDK kit is listed by unit size in Table 2B. Purchase the flue pipe, rooftop flue termination, and air inlet pipe locally.

Figure 2-8_Vertical DirectAire™ Installation There is no vent kit for combined air supply systems for multiple units. Make

w/Rooftop Combustion Air Inlet

sure the air inlet cap is properly sized. You must purchase this cap locally.

Venting of flue products

For venting flue products vertically to the outdoors, follow all requirements in the installation instructions for conventional venting in this manual.

Follow all clearance requirements in Vertical Vent Termination Clearances and

Location on page 17.

A barometric damper is not required in the flue on Vertical DirectAire™ installations if the draft is within the negative 0.02 to 0.08 inches w.c. required for proper operation. If the draft exceeds this range, install a barometric damper.

TABLE - 2B

DIRECTAIRE KITS

MODEL

HORIZONTAL KIT*

VERTICAL KIT*

502

SVK3047

VDK3026

652

SVK3048

VDK3027

752

SVK3048

VDK3027

992

SVK3040

VDK3023

1262

SVK3041

VDK3024

1442

SVK3041

VDK3024

1802

SVK3041

VDK3024

2072

SVK3041

VDK3024

*The SVK kits include a DV box adapter and sidewall air inlet cap. The VDK kits include a DV box adapter and a rooftop air inlet cap.

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Lochinvar 2072, 502 operation manual Venting of flue products, Directaire Kits Model Horizontal KIT Vertical KIT

2072, 502 specifications

Lochinvar 2072,502 is an innovative and robust water-heating solution tailored for residential and commercial applications. This model represents a significant advancement in energy efficiency and performance, catering to the dynamic heating requirements of modern buildings.

One of the standout features of Lochinvar 2072,502 is its advanced thermal efficiency. With an impressive AFUE (Annual Fuel Utilization Efficiency) rating, the unit delivers exceptional heat output while minimizing energy consumption. This not only reduces utility bills for homeowners and businesses but also supports sustainability efforts by decreasing carbon footprints.

The Lochinvar 2072,502 incorporates cutting-edge technologies that set it apart in the market. It is equipped with advanced control systems that allow users to precisely manage heating outputs, ensuring optimal comfort while conserving energy. The user-friendly digital display provides real-time data, allowing for efficient monitoring and control.

Another significant characteristic of the Lochinvar 2072,502 is its robust stainless-steel construction. This feature enhances the unit's durability and longevity, ensuring reliable performance even in challenging conditions. The high-quality materials also contribute to maintaining consistent water temperatures, which is essential for both residential and commercial heating needs.

The Lochinvar 2072,502 operates silently, making it ideal for installations in areas where noise is a concern. Its compact design allows for flexible installation options, fitting seamlessly into various spaces, whether it’s a utility room, basement, or outdoor area.

Furthermore, the unit supports multiple venting options, accommodating different building architectures and layouts. This versatility makes it an ideal choice for new builds and retrofitting existing systems.

Maintenance is streamlined with the Lochinvar 2072,502, as it features a self-diagnostics system that simplifies troubleshooting. Regular service check-ups are made easier with accessible components, allowing technicians to perform maintenance tasks efficiently.

In summary, the Lochinvar 2072,502 stands out for its high efficiency, advanced technology, durability, and flexible installation options. It is an ideal choice for those seeking a reliable and technologically advanced water-heating solution that meets the challenges of contemporary heating demands while promoting energy savings and environmental responsibility.