Contents

HAZARD DEFINITIONS

2

Room Air

27

PLEASE READ BEFORE PROCEEDING

3

5. HYDRONIC PIPING

 

THE SYNC -- HOW IT WORKS

4-5

System Water Piping Methods

28

RATINGS

6

Low Water Cutoff Device

28

1. DETERMINE BOILER LOCATION

 

Chilled Water System

28

Closet and Alcove Installations

7

Freeze Protection

28

Provide Air Openings to Room

9

General Piping Information

28

Flooring and Foundation

9

Circulator Sizing

29

Vent and Air Piping

9

Near Boiler Piping Connections

29

Prevent Combustion Air Contamination

9

Near Boiler Piping Components

31-33

Using an Existing Vent System to Install a New Boiler

... 10

6. GAS CONNECTIONS

 

Corrosive Contaminants and Sources

10

Connecting Gas Supply Piping

34

Removing a Boiler from Existing Common Vent

11

Natural Gas

35

Remove Boiler from Wood Pallet

11

Pipe Sizing for Natural Gas

35

Combustion and Ventilation Air Requirements

12-13

Natural Gas Supply Pressure Requirements

............. 35

2. GENERAL VENTING

 

Propane Gas

35

Direct Venting Options - Sdwl/Horz. Vent Opt. Rm Air....

14

Pipe Sizing for Propane Gas

35

Direct Venting Options - Vert. Vent Opt. Rm Air

15

Propane Supply Pressure Requirements

35

Direct Venting Options - Vert. Vent, Horz. Air

16

Check Inlet Gas Supply

36-37

Install Vent and Combustion Air Piping

17

Gas Pressure

37

PVC / CPVC Vent Piping Materials

17

Gas Valve Replacement

37

PVC/CPVC Air Intake/Vent Connections

18

7. FIELD WIRING

 

Air Inlet Pipe Materials

18

Line Voltage Connections

38

Requirements for Installation in Canada

19

Low Voltage Connections

39

Installing Vent and Air Piping

19

Wiring of the Cascade

40

Stainless Steel Vent and Air Piping

20

8. CONDENSATE DISPOSAL

 

Min./Max. Combustion Air & Vent Piping Lengths

21

Condensate Drain

42

Vent and Air Piping

21

9. STARTUP

43-48

3. SIDEWALL DIRECT VENTING

 

10. OPERATING INFORMATION

 

Vent/Air Termination - Sidewall

22-25

General

49-51

Determine Location

22-24

Cascade

51-52

Prepare Wall Penetrations

24

Sequence of Operation

53

Termination and Fittings

25

Status Screen

54-55

Multiple Vent/Air Terminations

25

Main Screen

56

4. VERTICAL DIRECT VENTING

 

11. MAINTENANCE

 

Vent/Air Termination - Vertical

26-27

Maintenance & Annual Startup

57-62

Determine Location

26

12. DIAGRAMS

 

Prepare Roof Penetrations

26

Ladder Diagrams

63-64

Termination and Fittings

26-27

Wiring Diagram

65

Multiple Vent/Air Terminations

27

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.

2

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Lochinvar 5 operation manual Contents

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.