Contents

HAZARD DEFINITIONS

. 2

 

Install Drain Valve

. .

. . . . . 12

PLEASE READ BEFORE PROCEEDING

. 3

 

Temperature and Pressure (T&P) Relief Valve

. . . . . 12

1. GENERAL INFORMATION

 

 

Table 4A - Minimum Relief Valve (AGA Rating) . . 13

Operating Restrictions

. 4

5.

WIRING

 

 

Single-Wall Heat Exchanger

. 4

Electrical Connection and Thermostat Setup

. . . . .16

2. PRE-INSTALLATION

 

Indirect Water Heater Sensor Setup (Knight Boiler)

. . . . 18

Locating the Tank

. 5

Install and Connect Tank Sensor

. .

. . . . . 18

Recommended Clearances

. 5

Indirect Water Heater Controlled Using Aquastat and Zone

3. BOILER SIDE PIPING (SDT MODELS)

 

Circulator

. .

. . . . . 19

Zone with Circulator to Aquastat

. 6

6.

START-UP AND CHECK-OUT

. .

. . . . . 20

Zone with Valve to Aquastat

. 6

7.

MAINTENANCE

 

 

DHW Prioritization

. 6

Maintenance Schedule

. .

. . . . . 21

Multiple Tank Connections (Boiler Side)

. 6

 

To Fill the Water Heater

. .

. . . . . 21

Table 3A - 3B - Pressure Drop Charts

. 7

 

To Drain the Water Heater

. .

. . . . . 21

Table 3C - Pressure Drop Values

. 7

8.

PERFORMANCE DATA

 

 

Piping Diagrams

. 8-11

Performance Data Charts

. .

. . . . . 22-24

4. DOMESTIC SIDE (TANK) PIPING

 

9.

High Output Piping

 

 

Basic Domestic Piping

11

 

High Domestic Hot Water Usage

. .

. . . . . 25

Multiple Tank Domestic Water Piping

11

 

Series Piping

. .

. . . . . 25-26

Domestic Water Piping for Distant Fixtures

.11

 

Parallel Piping

. . .

. . . .25-27

Anti-scald Valves (Mixing Valves)

12

REVISION NOTES

Back Cover

 

 

 

 

 

 

 

 

 

 

 

 

Hazard definitions

The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product.

￿DANGER

￿WARNING

￿CAUTION

CAUTION

NOTICE

DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage.

NOTICE indicates special instructions on installation, operation, or maintenance that are important but not related to personal injury or property damage.

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Lochinvar SDT/SET065 - 119 operation manual Contents

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.