Lochinvar 151-286 operation manual Operating information

Page 47

 

 

 

 

Outdoor Knight Boiler Installation & Operation Manual

8 Operating information (continued)

 

 

 

 

 

 

Status Display Screens (cont’d)

Section

Display

 

Description

 

SYSTEM:

 

The temperature read by the system supply sensor (if connected).

 

 

 

 

 

 

TANK:

 

The temperature read by the tank sensor (if connected).

 

 

 

 

 

 

OUTDOOR:

 

The temperature read by the outdoor sensor.

 

 

 

 

 

 

INLET TEMP:

 

The temperature read at the inlet to the heat exchanger.

 

 

 

 

 

 

OUTLET TEMP:

 

The temperature read at the outlet of the heat exchanger.

 

 

 

 

 

 

DELTA T:

 

The temperature difference between the inlet and the outlet of the

 

 

heat exchanger.

 

 

 

 

 

 

 

 

 

 

FLUE TEMP:

 

The temperature read by the flue sensor.

 

 

 

 

 

 

FLAME CURRENT:

 

The current measured by the flame sense circuit.

 

 

 

 

 

 

FAN SPEED:

 

The speed of the combustion blower.

 

 

 

 

 

C

BOILER PUMP:

 

The status of the boiler pump output.

 

 

 

 

(Operational

SYSTEM PUMP:

 

The status of the system pump output.

Information)

DHW PUMP:

 

The status of the DHW pump output.

 

 

 

 

 

 

BMS VOLTAGE:

 

The voltage received from a BMS system.

 

 

 

 

 

 

BLR PUMP OUTPUT:

 

The speed signal sent to a variable speed boiler pump in percent.

 

 

 

 

 

 

SYS PUMP INPUT:

 

The speed signal received from a variable speed system pump control.

 

 

 

 

 

 

RATE OUTPUT:

 

A 0 - 10V signal indicating the firing rate of the boiler.

 

 

 

 

 

 

SH RUN HOURS:

 

The total hours of operation in the Space Heating Mode.

 

 

 

 

 

 

SH CYCLES:

 

The total burner cycles in the Space Heating Mode.

 

 

 

 

 

 

DHW RUN HOURS:

 

The total hours of operation in the DHW Mode.

 

 

 

 

 

 

DHW CYCLES:

 

The total burner cycles in the DHW Mode.

 

 

 

 

 

 

LAST 10 FAULTS NO:

 

The last 10 lockouts.

 

 

 

 

 

 

NIGHT SETBACK

 

Shows the next Night Setback trigger (if active).

 

 

 

 

 

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Contents Save this manual for future reference Contents Please read before proceeding When servicing boilerStainless steel heat exchanger Outdoor Knight Boiler How it worksModels 151 Model Outdoor Knight Boiler Ahri Rating RatingsBefore locating the boiler, check Installation must comply withDetermine boiler location Prevent combustion air contamination Provide clearancesOutdoor vent / air intake location Flooring and foundation Gas conversions Prepare boilerRemove boiler from wood pallet 286 Leveling the boilerHydronic piping Near boiler piping components Indirect water heaters System temperature sensorNear boiler piping connections Circulator sizingMinimum Pipe Pump Size Grundfos FeetPressure ModelUP26-96 FC/VS IFC VS Stratos 1.25 3 x Smart System / Multi-temperature loop control optionVariable speed pump setup Variable speed pump optionZone #1 Number of Units Model Required Pipe Sizes 6Single Boiler Multiple Temperatures 151 211 286 IMG00374 Number of Units 10Multiple Boilers Non-Zoned Primary/Secondary Piping Gas connections Connecting gas supply pipingPropane Gas Natural gasLength of Pipe in Straight Feet for 1/2 PSI Single Unit Natural Gas Pipe Capacity ChartCheck inlet gas supply Gas Pressure Gas valve replacementLow voltage connections Field wiringInstallation must comply with Line voltage connectionsThermostat Outdoor temperature sensorHigh gas pressure switch Low gas pressure switchSystem supply sensor Flow switch Runtime contactsAlarm contacts Wiring of the cascade3Low Voltage Field Wiring Connections Condensate drain Condensate disposalFill and test water system Freeze protection when usedStart-up Check/control water chemistryInspect/check condensate lines and fittings Check for gas leaksCheck thermostat circuits Inspect/fill condensate systemCheck system and boiler Final checks before starting the boilerStart the boiler If boiler does not start correctly2Operating Instructions Natural Gas Propane Set space heating operationSet domestic hot water DHW operation Verify DHW modeConfiguration of the cascade How the control module operates Operating informationGeneral How the boiler operatesProtection features Temperature controlBoiler temperature regulation Cascade Outdoor reset operationOperation Display Sequence of operationStandby, ready to start a new cycle User Access modesInstaller Outdoor Knight boiler control moduleCall for Heat Operating information Dial Function Owner maintenance Maintenance Maintenance and annual startupService technician Maintenance Check boiler relief valve Flue vent system and air pipingCheck water system Check expansion tankCheck flame signal Check ignition ground wiringCheck all boiler wiring Check control settingsModel Kit Part Component Number Description Cleaning boiler heat exchangerReview with owner Oiled bearing circulatorsPC Interface DiagramsHigh Voltage 120 VAC

151-286 specifications

Lochinvar 151-286 is a high-efficiency water heater designed for both residential and commercial applications. This model stands out due to its advanced technology, user-friendly controls, and robust construction, making it a reliable choice for those seeking to optimize their hot water supply.

One of the key features of the Lochinvar 151-286 is its impressive heating capacity. With a maximum input of 286,000 BTU/hr, it can efficiently meet hot water demands for a variety of settings, including hotels, restaurants, and other commercial facilities. This substantial output ensures that even during peak usage hours, hot water availability is maximized, reducing wait times and enhancing customer satisfaction.

The water heater utilizes a state-of-the-art condensing technology that maximizes efficiency by capturing and utilizing flue gas heat. This process allows the Lochinvar 151-286 to achieve an impressive thermal efficiency rating of up to 98%. The benefit of such high efficiency translates to significant energy savings and reduced operational costs over time, making it an environmentally friendly option as well.

The Lochinvar 151-286 is equipped with a user-friendly control system featuring advanced microprocessor controls. These controls allow for precise temperature management and monitoring, enabling users to set optimal temperatures according to their specific needs. Additionally, the heater includes built-in diagnostics, allowing for easy troubleshooting and maintenance, which minimizes downtime and extends the life of the unit.

Another standout characteristic of the Lochinvar 151-286 is its durable construction. Built with high-quality materials, including a robust stainless steel heat exchanger, this model is designed to withstand the rigors of daily use. The unit also features a compact design, which facilitates easy installation in various locations, whether it be in a utility closet or alongside existing equipment.

Safety features are paramount in the Lochinvar 151-286, with multiple safeguards in place to protect against overheating and other potential issues. The unit is designed to operate reliably, ensuring peace of mind for users who depend on consistent hot water availability.

In summary, the Lochinvar 151-286 water heater combines high capacity, exceptional efficiency, and user-friendly technology, making it an excellent choice for those seeking reliable hot water solutions. Its advanced features deliver performance and durability that stand out in the competitive market of water heating systems.
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