Lochinvar 80 - 285 manual DHW settings, Outdoor air reset

Page 14

User’s Information Manual

4SMART SYSTEM control module

E: DHW settings

DHW boiler set point

When a DHW call for heat becomes active, the control will use the DHW boiler set point to determine the firing rate of the boiler based on the actual water temperature. This parameter can be changed by the installer by accessing parameter E1. The temperature range of this parameter is 50°F to 190°F. The default value is 180°F.

SH/DHW switching time

The SH/DHW switching time parameter sets the length of time the control will stay in DHW Mode when a SH call has been received. After this time period has expired the control will revert to SH Mode. If a DHW call is still active the timer will reset. After the time period has expired the control will revert back to DHW Mode. This will continue until one of the demands has been satisfied. This parameter can be changed by the installer by accessing parameter E2. The time range of this parameter is 10 minutes to 240 minutes. The default value is 30 minutes.

F: Outdoor air reset

Outdoor air shutdown

When the outdoor air shutdown rises above this point, the control will block all SH demands (DHW demands will still be active). This parameter can be changed by the user or the installer by accessing parameter F5. The temperature range of this parameter is 0°F to 120°F. The default value is 80°F.

Outdoor air shutdown differential

The outdoor air shutdown differential parameter is the number of degrees below parameter F5 the outdoor air temperature must go before the boiler will respond to a SH demand. This parameter can be changed by the user or the installer by accessing parameter F6. The temperature range of this parameter is 0°F to 90°F. The default value is 10°F.

Boost temperature

If a SH demand lasts longer than the programmed time delay setting and there have been no DHW demands, the control will increase the water temperature set point by the amount in this parameter. If the SH demand continues through another time period, the set point will be increased again. This will continue until either the SH demand ends, a maximum of 20 increases has occurred, or the maximum set point has been reached. Once the SH demand has been satisfied the set point will revert back to its calculated setting. The boost temperature can be changed by the installer by accessing parameter F8. The temperature range of this parameter is 0°F to 45°F. The default value is 0°F. This feature will be active if this parameter is set to anything other than 0°F.

Boost time

The boost time parameter sets the amount of time that must elapse with a SH demand before the water temperature set point will be increased. This parameter can be changed by the installer by accessing parameter F9. The time range for this parameter is 1 minute to 60 minutes. The default value is 20 minutes.

14

Image 14
Contents User’s Information Manual Models 80 Save this manual for future referenceContents Boiler service and maintenance Please read before proceedingAreas likely to have contaminants Prevent combustion air contaminationProducts to avoid See pages 6 8 for detailed instructions Maintenance schedule Service technicianOwner maintenance Maintenance schedule Condensate Trap Condensate disposalCheck automatic air vents Test low water cutoff if installedReset button low water cutoff Operate relief valveOperating instructions Smart System control module Knight boiler control moduleUser Access modesInstaller To save parameters and exit programmingParameter table Data logging Temperature settingsGeneral DHW settings Outdoor air resetSet Point Met ServiceStandby PrepurgeSYS ***.*F Control will display the actual fan motor RPMDelay 10V in **.VdcOperation of the cascade User’s Information Manual

80 - 285 specifications

The Lochinvar 80 - 285 is a well-regarded series of high-efficiency boilers that has established itself as a leading option for both residential and commercial applications. Known for its robust performance and innovative technologies, this range is designed to meet the diverse heating needs of modern buildings.

One of the standout features of the Lochinvar 80 - 285 series is its advanced condensing technology. This allows the boiler to extract a greater amount of heat from the combustion gases, resulting in higher energy efficiency. With an annual fuel utilization efficiency (AFUE) rating that can exceed 95%, users can expect significant savings on energy costs while reducing their carbon footprint.

Another important characteristic of the Lochinvar 80 - 285 is its stainless steel heat exchanger. The use of stainless steel not only enhances durability but also ensures longer life expectancy and resistance to corrosion. This makes it an excellent choice for harsh environments or areas with hard water. Furthermore, the design of the heat exchanger promotes optimal thermal performance and efficient heat transfer, ensuring that the system operates at peak efficiency.

The Lochinvar 80 - 285 series also incorporates intelligent controls, allowing for enhanced operation and management of heating systems. The intuitive user interface provides easy access to critical system information, allowing users to monitor performance and make adjustments as needed. The built-in diagnostic tools help in troubleshooting and maintaining optimal performance, minimizing downtime and service costs.

Moreover, the boiler is designed with a flexible venting system. It can be vented vertically or horizontally, offering installation versatility for various building configurations. This adaptability makes it a favorite among contractors and engineers, simplifying the installation process and reducing labor costs.

The Lochinvar 80 - 285 series prioritizes safety as well. It comes equipped with multiple safety features, including flame monitoring and automatic shut-off valves, ensuring that the system operates safely under all conditions. Additionally, its low emissions design contributes to a cleaner environment by complying with stringent emission standards.

In summary, the Lochinvar 80 - 285 series stands out for its high efficiency, durability, and user-friendly technology. With its advanced condensing technology, stainless steel heat exchanger, intelligent controls, and versatile installation options, it is a dependable choice for anyone seeking a reliable heating solution that prioritizes performance and sustainability.