Lochinvar 151-286 Feet, Pressure, Model, Minimum Pipe Pump Size Grundfos, Armstrong

Page 15

Outdoor Knight Boiler Installation & Operation Manual

3 Hydronic piping (continued)

Figure 3-3Pressure Drop vs. Flow

Pressure Drop vs. Flow (Includes Secondary Piping)

Head)

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151

211

286

Flow Rate (GPM)

Table 3A Circulator Recommendations for Temperature Rise Applications_20°, 25°, and 35°

20°F Temperature Rise Applications

Model

GPM

FT/HD

Minimum Pipe

 

Pump

 

 

Size

Grundfos

TACO

B & G

Armstrong

 

 

 

151

14

20

1"

UPS26-99F

0011

NRF-36

E7

211

20

29

1"

UPS32-160

1400-50

PL-55

E9*

286

27

15

1-1/4"

UPS32-80

1400-20

PL-36

E11

*NOTICE

These pumps are only slightly above 20° rise flows, but are the closest available. To reach a 20° rise or less, an upsized pump will be required.

25°F Temperature Rise Applications

Model

GPM

FT/HD

Minimum Pipe

 

Pump

 

 

Size

Grundfos

TACO

B & G

Armstrong

 

 

 

151

11

13

1"

UPS26-99F

0014

NRF-36

E7

211

16

19

1"

UPS26-99F

0013

NRF-36

E7

286

21

12

1-1/4"

UPS26-99F

0011

NRF-36

E7

35°F Temperature Rise Applications

Model

GPM

FT/HD

Minimum Pipe

 

Pump

 

 

Size

Grundfos

TACO

B & G

Armstrong

 

 

 

151

8

10

1"

UPS15-58FC

008/0010

NRF-36

Astro-30

211

11

9

1"

UPS15-58FC

0010

NRF-36

Astro-50

286

15

7

1-1/4"

UP26-64F

008/0010

NRF-36

E7

NOTICE

NOTICE

NOTICE

Pumps listed in bold type are provided by the factory as the boiler circulation pump on standard altitude models.

Pumps listed in italicized type are provided by the factory as the boiler circulation pump on high altitude models.

The temperature rise provided by a pump/model combination will decrease by 3% per 1000 feet of elevation.

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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 RatingsInstallation must comply with Determine boiler locationBefore locating the boiler, check Provide clearances Outdoor vent / air intake location Flooring and foundationPrevent combustion air contamination Prepare boiler Remove boiler from wood palletGas conversions 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 gasSingle Unit Natural Gas Pipe Capacity Chart Check inlet gas supplyLength of Pipe in Straight Feet for 1/2 PSI 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 operationVerify DHW mode Configuration of the cascadeSet domestic hot water DHW operation 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 Maintenance Maintenance and annual startup Service technicianOwner maintenance 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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