Lochinvar 1.0- 1.3- 1.5 operation manual Diagrams, LOW Voltage 120 VAC High Voltage

Models: 1.0- 1.3- 1.5

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Modbus Instructions

7Diagrams

Figure 7-1Ladder 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

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NOTES:

1. Where possible, switches are shown without utilities (gas, water or

LADDER DIAGRAM

electricity) connected to the unit. As such, actual switch states mayLBL20058 REV E 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.

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Lochinvar 1.0- 1.3- 1.5 operation manual Diagrams, LOW Voltage 120 VAC High Voltage

1.0- 1.3- 1.5 specifications

Lochinvar has long been recognized as a leader in the water heating industry, offering high-efficiency solutions for residential and commercial applications. Among its celebrated products are the Lochinvar 1.0, 1.3, and 1.5 models, which represent a range of advanced technologies and features designed to meet diverse customer needs.

The Lochinvar 1.0 is crafted for residential applications, featuring a robust design that emphasizes energy efficiency and reliability. This model incorporates condensing technology, ensuring that water heating is optimized, resulting in reduced energy costs. With a thermal efficiency rating of up to 95%, the Lochinvar 1.0 significantly lowers fuel consumption while providing ample hot water for households. This model also includes a digital control system that offers precise temperature management, enhancing user convenience.

Moving up the scale, the Lochinvar 1.3 model is tailored for slightly larger residential needs and small commercial spaces. This model not only maintains high efficiency with a similar condensing technology but also boasts an expanded capacity. It is equipped with advanced features like an integrated tankless design, which ensures an uninterrupted supply of hot water without the need for a bulky storage tank. Moreover, the Lochinvar 1.3 offers advanced diagnostics, allowing homeowners and technicians to troubleshoot issues quickly and efficiently.

The Lochinvar 1.5 model ramps up the capability even further, catering to larger commercial applications or extensive residential requirements. It offers exceptional performance with an increased output and efficiency, ensuring that even in high-demand scenarios, users are not left wanting for hot water. With an impressive thermal efficiency rating exceeding 96%, this model is engineered to meet stringent energy regulations while providing reliable performance.

All three models feature durable components including stainless steel heat exchangers, enhancing longevity and resistance to corrosion. They also integrate user-friendly interfaces, making them accessible for easy adjustments and monitoring. Additionally, all Lochinvar models are designed with environmental responsibility in mind, contributing to reduced greenhouse gas emissions.

In summary, Lochinvar's 1.0, 1.3, and 1.5 models showcase a commitment to innovation in water heating technology. They offer a blend of efficiency, capacity, and user-friendly features suitable for various applications, making them a wise choice for those in search of reliable hot water solutions.