Installation & Operation Manual

12 Diagrams

Figure 12-1Ladder Diagram_Part 1

BOX DEPICTS

OPTIONAL ITEMS

LOW VOLTAGE 120 VAC HIGH VOLTAGE

CONTROL

CONTROL

MODULE 1

 

MODULE 2

LOUVER

 

 

RELAY 1

X8

 

X6-8

X8

 

 

 

 

X5-7

 

 

X5-7

 

 

 

 

24V

LOUVER

 

24V

 

 

 

 

X5-4

RELAY 2

 

X5-4

 

FLAP

 

AIR PRESSURE

FLAP

AIR PRESSURE

 

VALVE

 

SWITCH

VALVE

SWITCH

 

 

 

 

 

 

 

X5-14

 

 

X5-14

 

 

 

 

 

 

 

 

 

 

HI-LIMIT

 

 

HI-LIMIT

X6-8

 

 

 

 

 

 

 

 

 

 

 

X5-8

 

 

 

INLET

 

 

 

 

INLET

 

X5-8

SENSOR

 

 

 

 

SENSOR

 

 

 

 

 

 

X5-1

 

 

X5-1

OUTLET

 

 

 

X5-9

OUTLET

 

X5-9

SENSOR

 

 

 

SENSOR

 

 

 

 

 

X5-2

 

 

X5-2

FLUE

 

 

 

 

FLUE

 

 

SENSOR

 

 

 

 

SENSOR

 

 

 

 

 

 

X5-3

 

 

 

 

BLOCKED

 

 

 

X5-3

 

 

 

 

 

 

DRAIN

 

 

 

 

 

 

AUTO RESET

X5-10

AUTO RESET

X5-10

 

 

 

HIGH LIMIT

 

HIGH LIMIT

GAS VALVE

 

 

X2-2

 

GAS VALVE

X2-2

 

 

 

 

 

GAS VALVE

 

 

GAS VALVE

 

 

 

X2-1

RELAY

 

X2-1

RELAY

BLOWER

 

 

1

X5-5

BLOWER

1

X5-5

 

 

 

2

X5-13

 

2

X5-13

 

 

 

4

X5-6

 

4

X5-6

 

 

 

5

X5-12

 

5

X5-12

 

 

 

TR1

 

 

TR1

 

 

 

 

X1-7

 

 

X1-7

 

SPARK

 

 

FLAME ROD

SPARK

FLAME ROD

 

 

 

 

 

 

ROD

 

 

 

 

ROD

 

 

CAUTION

HIGH VOLTAGE SPARK LEAD

 

CAUTION

HIGH VOLTAGE SPARK LEAD

SHIELD

CASCADE

RS485

SHIELD

TANK

SENSOR

OUTDOOR

SENSOR

SYSTEM

SENSOR

-

EXTERNALCONTROL 10VDC

+

SHIELD

MOD BUS

RS485

SHIELD

CONNECTION BOARD

CN3

CN4-3

CN3-16

 

CN3-15

CN4-1

 

CN3-14

CN4-2

 

CN3-13

CN4-4

 

CN3-12

CN4-6

 

CN3-11

 

CN3-10

CN4-5

 

CN3-9

CN4-8

 

CN3-8

CN4-7

 

CN3-7

CN4-9

 

CN3-6

 

CN3-5

CN4-10

 

CN3-4

 

CN3-3

 

CN3-2

 

CN3-1

 

4CONTROL MODULE 1

X4-3

X4

X4-1

X4-2

X4-4

X4-6

X4-5

X4-8

X4-7

X4-9

X4-10

MOD BUS

KIT

X4-3

X4-1

X4-2

X4-4

CONTROL MODULE 2

X4

NOTES:

1.Where possible, switches are shown without utilities (gas, water or electricity) connected to the unit. As such, actual switch states may vary from those shown on diagrams depending upon whether utilities are connected or a fault condition is present.

2.See wiring diagram for additional notes.

LADDER DIAGRAM LBL20058 REV E

63

Page 63
Image 63
Lochinvar 5 operation manual Diagrams, LOW Voltage 120 VAC High Voltage

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.