Installation & Operation Manual

3Boiler Side Piping (SDT models) (continued)

Figure 3-2Piping Diagram Zoned with Valves

ZONE #1

ZONE ZONE ZONE

PRESSURE

REDUCING VALVE

BACKFLOW

PREVENTER

MAKE UP

 

WATER

SYSTEM SUPPLY

 

SENSOR

 

(WHEN USED)

AIR SEPARATOR

PRESSURE

GAUGE

SYSTEM

CIRCULATOR

#2 #3 #4

ZONE VALVES (TYPICAL)

DIFFERENTIAL

PRESSURE

BYPASS

VALVE (IF USED)

EXPANSION

TANK

 

 

 

 

 

 

 

 

 

NOT TO EXCEED 4 PIPE DIA.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DRAIN POINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OR A MAXIMUM OF 12" APART

 

 

(TYPICAL)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOT

WATER

OUT

ANTI-SCALD

MIXING VALVE

Y-STRAINER

 

BALL VALVE

 

 

(TYPICAL)

 

 

BOILER

 

CIRCULATOR

 

 

BOILER BACKUP

 

 

HEAT EXCHANGER

 

( SDT MODELS ONLY )

 

UNION

 

 

(TYPICAL)

 

 

TEMPERATURE /

 

 

PRESSURE

 

 

GAUGE

 

 

DRAIN

 

 

PRESSURE

SOLUTION

 

RELIEF VALVE

SQUIRE

 

BOILER

GAS SUPPLY

SOLAR HEAT

 

 

EXCHANGER

 

COLD

WATER

IN

TEMPERATURE/

PRESSURE

RELIEF VALVE

BOILER

TANK SENSOR /

AQUASTAT

SOLAR SENSOR

CHECK VALVE

TEMPERATURE/ PRESSURE GAUGE (TYPICAL)

FROM

SOLAR

TO

SOLAR

RECIRCULATION

PUMP

CHECK VALVE

DRAIN

( FIELD SUPPLY ) AUXILIARY CATCH PAN

NOTICE

NOTICE

Please note that these illustrations are meant to show system piping concept only, the installer is responsible for all equipment and detailing required by local codes.

Please note that the installer is responsible for ensuring DHW prioritization when piped as a zone.

9

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Lochinvar SDT/SET065 - 119 operation manual 2Piping Diagram Zoned with Valves

SDT/SET065 - 119 specifications

The Lochinvar SDT/SET065 - 119 is a sophisticated heating solution that combines efficiency, reliability, and innovative technology to meet the demands of modern residential and commercial applications. As a participant in the highly competitive heating market, Lochinvar has established a reputation for producing high-quality products, and the SDT/SET065 - 119 is no exception.

One of the main features of the Lochinvar SDT/SET065 - 119 is its high-efficiency operation. With an impressive thermal efficiency rating, this unit minimizes energy consumption while maximizing output. This efficiency not only helps in reducing utility bills for users but also contributes to a more sustainable environment by lowering carbon emissions. The design of the unit incorporates advanced heat exchanger technology that optimizes thermal transfer, ensuring that homeowners and businesses receive the precise heating they require.

The SDT/SET065 - 119 also boasts impressive versatility. It can be configured to work with various hydronic heating systems, making it suitable for a wide range of applications, from radiant floor heating to baseboard heating systems. Additionally, the compact design of the unit allows for easy installation and integration into existing systems, without requiring significant modifications.

User-friendly controls are another highlight of the Lochinvar SDT/SET065 - 119. The unit features advanced digital control technology that allows for easy temperature regulation and monitoring. This technology also enables users to take advantage of multiple operating modes, enhancing both comfort and efficiency. Furthermore, built-in diagnostic capabilities provide real-time feedback on the system’s performance, facilitating easier troubleshooting and maintenance.

Safety is also a key consideration in the design of the SDT/SET065 - 119. The unit includes multiple safety features, such as over-temperature protection and pressure relief systems, ensuring reliable operation without compromising user safety.

In summary, the Lochinvar SDT/SET065 - 119 exemplifies modern heating technology. Its high efficiency, versatility, user-friendly controls, and robust safety features make it an ideal choice for those seeking a reliable and effective heating solution. Whether for residential or commercial use, the Lochinvar SDT/SET065 - 119 stands out as a top-tier option in the heating market.