Lochinvar 399 - 800 manual Sys ***.*F, Control will display the actual fan motor RPM

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User’s Information Manual

4SMART SYSTEM control module

Status Display Screens (cont’d)

By using the Previous/Next (￿, ￿) arrow keys on the SMART SYSTEM display panel, you can navigate through the eight (8) 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

 

SYS: ***.*F

If the system supply sensor has not been selected as the control sensor,

 

only the system temperature will be displayed.

 

 

 

 

 

 

 

When the system supply sensor has been selected as the control sensor,

 

***.*F (***)

the control will display the system temperature as well as the set point

 

 

in parenthesis.

 

 

 

 

Open

The control does not detect the system supply sensor.

#3

 

 

Shorted

The system supply sensor wires or the sensor itself has become

 

grounded.

 

 

 

OUTDOOR: ***.*F

The control will display the outdoor air temperature as sensed by the

 

outdoor air sensor.

 

 

 

 

 

 

Open

The control does not detect the outdoor air sensor.

Shorted

The outdoor air sensor wires or the sensor itself has become shorted.

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #4.

#4

FLUE: ***.*F

The control will display the flue temperature.

 

 

Open

The control does not detect the flue sensor.

 

 

Shorted

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

 

 

AUX: ***.*F

The control will display the temperature.

Open

The control does not detect the auxiliary sensor.

Shorted

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

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #5.

#5

FAN SPD: ****RPM

The control will display the actual fan motor RPM.

 

 

FLAME SIG: **.*uA

The control will display the flame signal in dc microamps.

 

 

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #6.

#6

SH CFH: OFF

The control has not received a call for heat from a remote thermostat.

 

 

ON

The control has received a call for heat from a remote thermostat.

 

 

DHW CFH: OFF

The control has not received a call for heat from a SH remote

thermostat.

 

 

 

ON

The control has received a call for heat from a DHW thermostat.

 

 

Press the Next ￿ arrow key on the SMART SYSTEM display to access Screen #7.

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Contents User’s Information Manual Models 399 Save this manual for future referenceContents Boiler service and maintenance Please read before proceedingProducts to avoid Prevent combustion air contaminationAreas likely to have contaminants Maintenance schedule Service technician Owner maintenanceMaintenance schedule 1Condensate Trap Condensate disposalTest low water cutoff if installed Reset button low water cutoffCheck Air Vents Operate relief valveFor Your Safety Read Before Operating Operating instructionsSmart System control module Knight XL control moduleAccess modes InstallerUser To save parameters and exit programmingParameter table General Temperature settingsData logging DHW settings Service StandbySet Point Met PrepurgeSYS ***.*F Control will display the actual fan motor RPMDelay 10V in **.VdcOperation of the cascade User’s Information Manual
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Manual 44 pages 18.95 Kb

399 - 800 specifications

Lochinvar is known for its cutting-edge water heating and boiler systems, and the Lochinvar 399 - 800 series is no exception. Specifically designed for commercial applications, this series brings advanced technology and engineering to the forefront of hydronic heating solutions.

One of the standout features of the Lochinvar 399 - 800 series is its impressive efficiency. Equipped with a condensing design, these boilers utilize high-efficiency stainless steel heat exchangers that allow for maximum heat transfer while minimizing energy consumption. With an impressive thermal efficiency of up to 96%, the Lochinvar 399 - 800 series stands out in its class, offering significant energy savings and reduced operational costs over time.

Another key characteristic of this series is its robust construction. Designed with longevity in mind, the boilers are built using high-quality materials that withstand extreme temperatures and pressures. The stainless steel design not only enhances durability but also combats corrosion, ensuring a long service life and reduced maintenance costs for users.

The Lochinvar 399 - 800 series also incorporates advanced control technologies. With its intuitive control system, users can easily adjust and monitor heating parameters, ensuring optimal performance and comfort. The integrated Control Wizard feature simplifies the setup process, allowing for quick commissioning and troubleshooting. Additionally, the optional Lochinvar SMART CONTROL technology provides remote monitoring capabilities, allowing operators to keep track of system performance from anywhere.

Versatility is another hallmark of the Lochinvar 399 - 800 series. These boilers come in a range of sizes, with the ability to modulate output based on real-time heating demands. This flexibility ensures that systems can operate efficiently under varying load conditions, making them ideal for schools, hospitals, and commercial buildings requiring consistent hot water availability.

In summary, the Lochinvar 399 - 800 series exemplifies modern boiler technology, combining energy efficiency, durability, advanced controls, and versatility. As businesses and facilities seek to enhance their heating systems, the Lochinvar 399 - 800 offers a reliable and forward-thinking solution for today's energy-conscious environment. Investing in this state-of-the-art boiler system not only improves comfort but also fosters sustainability and cost-effectiveness in commercial heating applications.