Lochinvar 399 - 800 Standby, Set Point Met, Prepurge, Ignition, SH***% Rate, Postpurge, Service

Page 15

User’s Information Manual

4SMART SYSTEM control module (continued)

Status Display Screens

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

 

 

BLR: 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.

 

 

 

 

 

 

 

 

 

 

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

 

 

Set Point Met

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

 

 

 

thermostat.

 

 

 

 

 

 

 

The unit has initiated a 10 second purge period on a call for heat.

 

 

Prepurge

Note: On the 800 model the unit will initiate a 20 second purge

 

 

 

period on a call for heat.

 

 

 

 

 

 

Ignition

The unit has begun a 5 second spark period to ignite the main

 

 

burner.

 

 

 

 

 

 

 

#1

 

SH***% Rate

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

 

 

 

 

 

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 at 100% of rate 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.

 

 

 

 

 

 

***.*F

If the outlet sensor has not been selected as the control sensor, 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.

 

 

IN: ***.*F

If the inlet sensor has not been selected as the control sensor, 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.

 

 

 

 

15

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Contents Save this manual for future reference User’s Information Manual Models 399Contents Please read before proceeding Boiler service and maintenancePrevent combustion air contamination Products to avoidAreas likely to have contaminants Owner maintenance Maintenance schedule Service technicianMaintenance schedule Condensate disposal 1Condensate TrapOperate relief valve Test low water cutoff if installedReset button low water cutoff Check Air VentsOperating instructions For Your Safety Read Before OperatingKnight XL control module Smart System control moduleTo save parameters and exit programming Access modesInstaller UserParameter table Temperature settings GeneralData logging DHW settings Prepurge ServiceStandby Set Point MetControl will display the actual fan motor RPM SYS ***.*F10V in **.Vdc DelayOperation 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.