Installation & Operation Manual

12 Diagrams

Figure 12-2Ladder Diagram_Part 2

120VAC

TERMINAL STRIP 120V SUPPLY "L"

ON / OFF

SWITCH

X1-6

X1-8

JUNCTION

BOX

X5-7

X6-7

X6-2

ON / OFF

SWITCH

X1-6

X1-8

JUNCTION

BOX

BOX DEPICTS

OPTIONAL ITEMS

 

 

 

 

 

 

 

 

 

LOW VOLTAGE

 

 

 

 

 

 

 

 

 

120 VAC

 

 

 

JUNCTION BOX

 

 

NEUTRAL

GROUND

 

 

HIGH VOLTAGE

 

 

 

 

 

 

 

 

 

 

 

 

 

TERMINAL STRIP

 

L1

JUNCTION BOX

N

 

 

 

 

120V SUPPLY "N"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOUVER

CONTROL MODULE 1

 

 

 

 

 

 

 

MOTOR

 

 

 

 

 

 

LOUVER

 

 

 

 

 

SYSTEM PUMP

 

 

 

 

CONTACTS

 

F5

 

 

 

 

 

 

 

 

 

 

 

X1-2

RELAY

 

 

 

 

HEX 1

BOILER

 

 

 

 

 

 

 

 

 

PUMP

 

 

 

 

 

 

 

 

 

BOILER PUMP

5A

 

SYSTEM PUMP

 

 

 

 

 

 

CONTACTS

 

 

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

HEX 1

 

 

 

 

 

 

 

 

 

 

BOILER PUMP

 

 

 

 

 

 

 

 

 

X1-4

RELAY

 

 

 

 

HEX 2

BOILER

 

 

 

 

 

 

 

 

 

BOILER PUMP

PUMP

 

 

BOILER PUMP

 

 

 

 

 

 

CONTACTS

 

 

 

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

JUNCTION BOX

DHW PUMP

 

 

 

 

 

 

 

 

RELAY

 

 

SYSTEM

 

 

 

X1-3

 

 

 

 

SYSTEM

 

 

 

 

 

 

(FIELD SUPPLIED)

 

 

 

 

 

 

 

 

PUMP

PUMP

 

 

 

 

 

 

 

 

 

CONTACTS

 

 

 

DHW PUMP

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

BLOWER

2

 

 

 

 

 

F4

 

 

X1-1

1

3

 

 

 

 

3.5A

BLOWER

 

 

 

 

 

 

DHW

 

 

 

RELAY

 

3

 

 

 

 

PUMP

DHW

F3

 

 

 

 

 

 

 

CONTACTS

1.25A

 

 

 

 

 

 

 

 

(FIELD SUPPLIED)

PUMP

120 VAC

X1-5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F2

 

 

X6-8

 

 

 

 

 

 

 

 

 

 

 

 

LWCO

 

 

 

DHW

3.5A

24 VAC

 

 

 

 

 

 

 

 

 

 

 

 

PUMP

 

 

J3-2

 

 

 

 

 

 

 

X6-3

 

 

 

LOW GAS

HIGH GAS

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PRESSURE

PRESSURE

MODULE 1

 

 

 

 

 

 

 

 

SWITCH

SWITCH 1

X6-5

CONTROL MODULE 2

 

 

 

 

 

 

 

 

F5

 

 

X1-2

 

 

 

 

 

HIGH GAS

CONTROL

 

 

 

 

 

 

 

MODULE 2

 

 

 

 

 

 

 

 

 

PRESSURE

X6-5

5A

 

SYSTEM PUMP

 

 

 

 

 

 

SWITCH 2

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

HEX 2

 

 

 

 

 

 

 

 

 

 

BOILER PUMP

 

 

 

 

 

 

 

 

 

X1-4

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BOILER PUMP

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

X1-3

 

 

 

 

 

 

 

 

 

DHW PUMP

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

BLOWER

2

 

 

 

 

 

F4

 

 

X1-1

1

 

 

 

CONTROL

 

 

 

 

 

 

 

 

 

 

MODULE 1

 

X5-7

X6-7

X6-2

 

CONNECTION

 

BOARD

CN1-4

5

CN1-12

 

CN1-13

9

 

 

7

 

11

 

13

LWCO

J3-4

J3-5

J3-6

 

J3-3

 

TEST SWITCH

 

PROBE

 

 

3.5A

BLOWER

 

F3

 

RELAY

3

 

 

1.25A

 

 

 

 

120 VAC

 

 

F2

 

 

X6-8

 

 

 

3.5A

24 VAC

 

 

 

CONNECTION

 

 

BOARD

 

 

6

CN1-6

 

 

LOUVER

 

 

PROVING

 

 

 

10

CN1-5

 

 

HEX 1

 

 

FLOW

 

 

SWITCH

8

CN1-6

 

 

HEX 2

 

 

FLOW SWITCH

12

 

 

CN1-3

 

 

HW

 

 

THERMOSTAT

 

 

 

14

CN1-11

 

 

ENABLE

 

 

 

4

CN1-15

 

 

RUN TIME

 

 

CONTACTS

3

 

 

 

 

 

CN1-10

 

1

CN1-7

 

 

ALARM

 

 

CONTACTS

2

 

 

CN1-8

 

 

X6-10

X6-9

X6-1

X6-6

X3-2

X3-4

X3-1

X3-3

CONTROL

MODULE 2

X6-10

X6-9

X3-2

X3-4

X3-1

X3-3

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 LBL20046 REV G

64

Page 64
Image 64
Lochinvar 5 operation manual 2Ladder DiagramPart

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.