Lochinvar 5 operation manual Near boiler piping components

Page 31

Installation & Operation Manual

5 Hydronic piping (continued)

Figure 5-4Pressure Drop vs. Flow

Pressure Drop vs Flow

 

 

60

 

 

 

 

 

 

 

 

 

Pressure Drop (Feet of Head)

Single Heat Exchanger Only

50

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SB1500

30

 

 

 

 

 

 

 

 

SB1300

 

 

 

 

 

 

 

 

 

SB1000

20

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

0

10

20

30

40

50

60

70

80

90

Flow Rate (GPM) - Single Heat Exchanger Only

Table 5A Sizing Information for Temperature Rise Applications_20°F, 25°F, 30°F and 35°F

TEMPERATURE RISE APPLICATIONS

Model

MINIMUM PIPE

 

20°F

 

25°F

 

30°F

 

35°F

SIZE

GPM

 

FT/HD

GPM

 

FT/HD

GPM

 

FT/HD

GPM

 

FT/HD

 

 

 

 

 

1000

3"

55

 

31

40

 

20

38

 

18

32

 

13

1300

3"

65*

 

30

52

 

20

45

 

16

37

 

11

1500

3"

74*

 

33

60

 

23

51

 

18

42

 

12

NOTICE

Pump sizing and flow requirements are

based on 20 feet (6 m) of black iron piping, 4

 

- 90° elbows, and 2 - fully ported ball valves.

 

*When using copper with a 20° temperature

 

rise increase piping to 3".

 

It is required that near boiler piping systems

NOTICE

utilize Primary/Secondary configurations as

 

 

shown in FIG.’s 5-5 and 5-6 only. The use of

 

other near boiler piping configurations could

 

result in improper building and system flow

 

rates leading to inadvertent boiler high limit

 

shutdowns and poor system performance.

Near boiler piping components

1.Boiler piping:

Boiler system piping MUST be sized per the pipe requirements listed in Table 5A. Reducing the pipe size can restrict the flow rate through the boiler, causing inadvertent high limit shutdowns and poor system performance.

2.Boiler circulating pump:

Field supplied. The boiler circulating pump MUST be sized to meet the specified minimum flow requirements listed in FIG. 5-4.

3.Hot Water Generator circulating pump:

Field supplied. The pump MUST be sized to meet the specified minimum flow requirements listed in FIG. 5-4. Consult the indirect boiler operating guide to determine flow characteristics for the selected product used.

4.Boiler isolation valves:

Field supplied. Full port ball valves are required. Failure to use full port ball valves could result in a restricted flow rate through the boiler.

5.Check valves:

Field supplied. Check valves are required for installation as shown in FIG.’s 5-5 and 5-6. Failure to install check valves could result in a reverse flow condition during pump(s) off cycle.

6.Domestic indirect hot water isolation valves:

Field supplied. Full port ball valves are required. Failure to use full port ball valves could result in a restricted flow rate through the boiler.

7.Anti-scald mixing valve:

Field supplied. An anti-scald mixing valve is recommended when storing domestic hot water above 115°F (46°C).

8.Unions:

Field supplied. Recommended for unit serviceability.

9.Pressure relief valve:

Factory supplied. The pressure relief valve is sized to ASME specifications.

10.System temperature sensor:

Lochinvar supplies a system temperature sensor. The sensor is to be installed in the heating loop downstream from the boiler hot water piping and

heating loop junction. The sensor should be located far enough downstream to sense system diluted water temperature.

NOTICE

A system supply sensor (factory supplied)

MUST BE installed for proper boiler

 

 

operation.

11.Y-Strainer:

Field supplied. A Y-strainer or equivalent multipurpose strainer is recommended at the inlet of the heat exchanger to remove system particles from older hydronic systems and protect newer systems.

31

Image 31
Contents Save this manual for future reference Contents Please read before proceeding When servicing boilerBlowers Sync How it worksModels 1.0 1.3 Sync RatingsBefore locating the boiler, check Installation must comply withCloset and alcove installations Determine boiler location1Closet Installation Minimum Required Clearances Prevent combustion air contamination Provide air openings to roomFlooring and foundation Products to avoid When using an existing vent system to install a new boilerAreas likely to have contaminants Remove boiler from wood pallet When removing a boiler from existing common vent system5Combustion Air Through Ducts Minimum Recommended Combustion AIR Supply to Equipment Room Direct venting options Sidewall Vent General ventingDirect venting options Vertical Vent Air intake/vent connections Install vent and combustion air pipingSizing Requirements for installation in CanadaAir inlet pipe materials MaterialsOptional room air Primer Material StandardVent pipe Vent fittingsCentrotherm InnoFlue SW Duravent Polypro PolypropyleneSupplied with the vent system Stainless steel ventVent/air termination sidewall Sidewall direct ventingDetermine location 2B Alternate Clearance to Gravity Air Inlets Found in this manual Prepare wall penetrationsMultiple vent/air terminations Prepare wall penetrations Alternate Field Supplied OptionsVent/air termination vertical Vertical direct ventingPrepare roof penetrations 3Vertical Terminations with Multiple Boilers Hydronic piping Circulator sizing Near boiler piping connectionsExample Hot Water Generator pump sizingNear boiler piping components 5Single Boiler Primary/Secondary Piping Model Number of Units Manifold Pipe Sizes in Inches mm Gas connections Connecting gas supply pipingPropane Gas Natural gasCheck inlet gas supply GAS Piping Size ChartGas Pressure Gas valve replacementInstallation must comply with Field wiringLine voltage connections Flow switch field supplied EnableOutdoor temperature sensor Louver proving switchRuntime contacts System supply sensor Wiring of the cascadeAlarm contacts Boiler management system3Low 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 correctlyFor Your Safety Read Before Operating Natural Gas Propane Set space heating operationSet Hot Water Generator HW operation Configuration of the cascadeGeneral Operating informationProtection features Outdoor reset operation, if used Boiler temperature regulationCascade HW operation with cascade Sequence of the cascadeNight Setback operation with cascade Sequence of operation 1Status Screen Sync control moduleOperating information 2Main Menu Screen See the Sync User’s Information Manual for Instructions Maintenance Maintenance and annual startupService technician Owner maintenanceMaintenance 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 exchangerNiosh stated First Aid Handling ceramic fiber materialsLOW Voltage 120 VAC High Voltage Diagrams2Ladder DiagramPart 3Wiring Diagram Page
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5 specifications

Lochinvar 5 is a cutting-edge residential boiler designed to meet the heating needs of modern homes while ensuring high efficiency and user convenience. As one of the latest offerings from Lochinvar, a trusted name in the heating industry, the Lochinvar 5 combines advanced technology with robust features that make it a top choice for homeowners and contractors alike.

One of the standout characteristics of the Lochinvar 5 is its impressive energy efficiency. It boasts an AFUE (Annual Fuel Utilization Efficiency) rating of up to 95%, which significantly reduces fuel consumption compared to traditional heating systems. This not only translates to lower energy bills for homeowners but also minimizes the environmental impact, aligning with the growing demand for sustainable energy solutions.

The Lochinvar 5 employs a highly efficient modulating burner technology that optimizes fuel usage based on real-time heating demand. This ensures that the boiler operates at peak efficiency, providing consistent warmth without unnecessary energy waste. The inclusion of advanced controls further enhances its performance, allowing users to adjust settings easily and monitor usage through a user-friendly digital display.

Durability and reliability are also paramount in the design of the Lochinvar 5. Constructed with high-quality materials, this boiler is built to withstand the rigors of daily use and provide long-lasting performance. Its compact design allows for flexible installation options, making it suitable for various residential settings, even where space is limited.

In addition to its impressive performance metrics, Lochinvar 5 is equipped with smart technology features that cater to the needs of modern consumers. Wi-Fi connectivity enables remote monitoring and control via a mobile app, giving homeowners the ability to adjust settings on the go. This feature not only enhances user convenience but also allows for proactive maintenance and alerts, helping to prevent potential issues before they arise.

Safety is a key consideration in the design of Lochinvar 5. It includes multiple safety features, such as a sealed combustion system that minimizes the risk of carbon monoxide leaks and an advanced monitoring system that ensures optimal operating conditions at all times.

In conclusion, the Lochinvar 5 stands out as an exceptional choice for those seeking a reliable, efficient, and smart residential heating solution. Its combination of advanced technologies, user-friendly features, and robust construction make it a leading option in the boiler market, ready to meet the demands of today’s homeowners. With an eye on energy efficiency and ease of use, Lochinvar 5 is well-equipped to provide comfortable, cost-effective heating for years to come.