Copper-fin II/IIE Boiler and Water Heater Service Manual

What is in this manual?

Service

The Copper-fin display

• Display panel readout, buttons and their functions

Control module inputs

• Control module inputs and options

Control module outputs

• Control module outputs and options

General

How the appliance operates

How the control module operates

Access modes -- user and installer

Sequence of operation -- Domestic Hot Water (DHW)/space heating

Control panel menu access

Accessing programming mode and locating menus

(See separate guides covering the ModBus and PC interfaces)

Maintenance

Service and maintenance schedules

Address reported problems

Inspect appliance area and appliance interior

Check all piping for leaks

Flue vent system and air piping

Combustion air filter

Check water system

Check expansion tank

Check relief valve

Check igniter

Check all appliance wiring

Flame inspection

Check flue gas passageways

Inspect and clean burner

Checking combustion air pressure

Checking manifold gas pressure

Cleaning heat exchanger

Review with owner

Control panel parameter access

• Accessing and changing parameters from the display panel

Quick start information -- parameter tables

An index of available adjustments and readouts, where to access them and where to find detailed information.

Copper-fin boiler operation (pages 13 - 14)

A: General

B: Temperature Settings

C: Data Logging

D: Functions

E: DHW Settings

F: Outdoor Air Reset

G: Anti-cycling

H: Control Modes

I: Cascade

J: Building Management System (BMS)

K: Pumps

L: Service Notification

Copper-fin water heater operation (pages

15 - 16)

A: General

B: Temperature Settings

C: Data Logging

D: Functions

E: DHW Settings

F: Anti-cycling

G: Control Modes

H: Cascade

I: Building Management System (BMS)

J: Pumps

K: Service Notification

Troubleshooting

Troubleshooting table - No display

Checking temperature sensors

Troubleshooting table - Noisy system

Troubleshooting table - Fault messages displayed on Operator Interface

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Lochinvar 2072, 402 service manual What is in this manual?, Service, Maintenance, Troubleshooting

402, 2072 specifications

Lochinvar 2072,502 is an innovative and robust water-heating solution tailored for residential and commercial applications. This model represents a significant advancement in energy efficiency and performance, catering to the dynamic heating requirements of modern buildings.

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The Lochinvar 2072,502 incorporates cutting-edge technologies that set it apart in the market. It is equipped with advanced control systems that allow users to precisely manage heating outputs, ensuring optimal comfort while conserving energy. The user-friendly digital display provides real-time data, allowing for efficient monitoring and control.

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The Lochinvar 2072,502 operates silently, making it ideal for installations in areas where noise is a concern. Its compact design allows for flexible installation options, fitting seamlessly into various spaces, whether it’s a utility room, basement, or outdoor area.

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Maintenance is streamlined with the Lochinvar 2072,502, as it features a self-diagnostics system that simplifies troubleshooting. Regular service check-ups are made easier with accessible components, allowing technicians to perform maintenance tasks efficiently.

In summary, the Lochinvar 2072,502 stands out for its high efficiency, advanced technology, durability, and flexible installation options. It is an ideal choice for those seeking a reliable and technologically advanced water-heating solution that meets the challenges of contemporary heating demands while promoting energy savings and environmental responsibility.