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

3 Troubleshooting

Table 3E (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Operator Interface

FAULT

DESCRIPTION

CORRECTIVE ACTION

 

 

 

 

The temperature rise across the heat

• Verify that the system is full of water and that all air

 

exchanger has exceeded the set parameters

has been properly purged from the system.

 

for the appliance.

• Verify that the appliance is piped properly into the

 

 

 

 

heating system. Refer to the Water Connections

 

 

Section of the Installation and Operation Manual for the

 

 

proper piping methods.

 

 

• Check for 120 VAC to the pump motor on a call

 

 

for heat. If voltage is not present, check the wiring

 

 

leading to the main control board. Replace the main

Temp O/Shoot

 

control board if necessary.

 

• If 120 VAC is present on a call for heat and the

(Lockout will reset

 

automatically after 5

 

pump is not operating, replace the pump.

minutes or may be

 

 

 

 

reset immediately once

Outlet water temperature has exceeded the

• Verify that the system is full of water and that all air

condition has been

maximum outlet water temperature.

has been properly purged from the system.

corrected. Press the

 

 

RESET button on the

 

• Verify that the appliance is piped properly into the

SMART SYSTEM display

 

system. Refer to the Water Connections Section of

to reset.)

 

the Installation and Operation Manual for the proper

 

 

piping methods.

 

 

• Check 120 VAC to the pump motor on a call for heat.

 

 

If voltage is not present, check wiring leading to the

 

 

main control board. Replace the main control board

 

 

if necessary.

 

 

• If 120 VAC is present on a call for heat and the pump

 

 

is not operating, replace pump.

 

 

• Replace the main control board.

 

 

 

 

 

• Check setpoint of the external control.

Rem Ctrl Flt

External control is cycling too often.

• Check the wiring between the external control and

 

the unit.

 

 

 

 

• Replace the control.

 

 

 

Parameters Progr

 

 

(Will require a manual

 

• Press the ENTER/RESET button on the Smart

reset once the condition

After downloading parameters from a laptop,

has been corrected. Press

the main control board must be reset.

System display panel.

the RESET button on the

 

 

SMART SYSTEM display

 

 

to reset.)

 

 

 

 

 

42

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Lochinvar 2072, 402 service manual Temp O/Shoot, Rem Ctrl Flt, Parameters Progr
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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.

One of the standout features of Lochinvar 2072,502 is its advanced thermal efficiency. With an impressive AFUE (Annual Fuel Utilization Efficiency) rating, the unit delivers exceptional heat output while minimizing energy consumption. This not only reduces utility bills for homeowners and businesses but also supports sustainability efforts by decreasing carbon footprints.

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.

Another significant characteristic of the Lochinvar 2072,502 is its robust stainless-steel construction. This feature enhances the unit's durability and longevity, ensuring reliable performance even in challenging conditions. The high-quality materials also contribute to maintaining consistent water temperatures, which is essential for both residential and commercial heating needs.

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.

Furthermore, the unit supports multiple venting options, accommodating different building architectures and layouts. This versatility makes it an ideal choice for new builds and retrofitting existing systems.

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.
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