User’s Information Manual

3SMART SYSTEM control module (continued)

Status display screens

Status Display Screens

By using the Previous/Next (￿, ￿) arrow keys on the SMART SYSTEM display panel, you can navigate through the nine (9) display screens. Each screen will contain two (2) viewable items. The following is a description of the individual items and what they can display:

Screen

Display shows:

Description

 

HTR: OFF

The unit has been turned OFF by the Enter/Reset button on the

 

SMART SYSTEM display panel.

 

 

 

 

 

 

Standby

The unit has not received a call for heat from a remote thermostat nor

 

has it received a call for heat from a DHW thermostat.

 

 

 

 

 

 

Set Point Met

The unit has met the water temperature set point, but is still receiving

 

a call for heat from either a remote thermostat or a DHW thermostat.

 

 

 

 

 

 

Prepurge

The unit has initiated the 10 second purge and 15 second HSI warm-

 

up periods on a call for heat.

 

 

 

Ignition

The unit has begun a 5 second trial for ignition.

 

 

 

 

SH***% Rate

The unit has fired and is running at the displayed percentage.

 

DHW***% Rate

 

 

#1

 

 

 

The call for heat has been satisfied and the unit runs the fan for an

 

Postpurge

additional 10 seconds to clear the combustion chamber and vent

 

 

system of residual flue products.

 

 

 

 

Service

The unit has been placed in a temporary mode that will allow the unit

 

to fire for the purpose of combustion analysis.

 

 

 

 

 

 

 

When the outlet sensor has been selected as the control sensor

 

OUT: ***F(***)

(default), the control will display the outlet temperature as well as the

 

 

set point in parenthesis.

 

 

 

 

 

If the outlet sensor has not been selected as the control sensor or a

 

***F

system supply sensor is connected, only the outlet temperature will be

 

 

displayed.

 

 

 

 

Open

The control does not detect the outlet sensor.

 

 

 

 

Shorted

The outlet sensor wires or the sensor itself has become shorted.

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #2.

 

 

If the inlet sensor has not been selected as the control sensor or a

 

IN: ***F

system return sensor is installed, only the inlet temperature will be

 

 

displayed.

 

 

 

 

 

When the inlet sensor has been selected as the control sensor, the

 

***F (***)

control will display the inlet temperature as well as the set point in

#2

 

parenthesis.

 

Open

The control does not detect the inlet sensor.

 

 

 

 

Shorted

The inlet sensor wires or the sensor itself has become shorted.

 

 

 

 

RISE: ***F

The difference between the inlet temperature and the outlet

 

temperature.

 

 

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #3.

13

Page 12 Page 14
Page 13
Image 13
Lochinvar 1501, 502, 752, 2001, 1701, 1302, 1002 user manual Status display screens
Page 12 Page 14

1501, 1002, 1302, 1701, 2001 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.
Top Page Image Contents