Installation and Service Manual

OPERATION AND DIAGNOSTIC LIGHTS

The diagnostic control panel has up to 6 indicating and diagnostic lights to show all major steps of operation and control sensed malfunctions. This panel is located on the left end of the unit.

TABLE - O

Status LED Diagnostic Codes

Code Sequence

Condition

Constant ON System OK, no faults present. Constant OFF Possible control fault, check power;

LED may be effective, do not replace control if all operational sequences function properly, see Trouble Shooting Guide.

One Flash Low Air, check air pressure switch and hoses to pressure sensing points, fan, venting and sealing of pressurized chamber. Note:Brief flashing normal on fan start-up/proving.

Two Flashes Flame without call for heat, check for a gas valve stuck in the open position, air, venting, burners and the combustion process. Fan will remain on.

Three Flashes Lockout due to flame failure, push reset button on inner control panel after correcting ignition problem. Initial heater start up without properly bleeding air from the gas line may require multiple reset functions to achieve proper ignition.

Four Flashes Igniter failure, igniter will not maintain minimum 2.75 amp current draw, caused by, low voltage, bad wiring/continuity, high resistance or igniter failure.

Five Flashes Power supply problem, check for low supply voltage or transformer output less than 18VAC.

Six Flashes Replace ignition module, internal fault.TA

TABLE - P

Status LED Diagnostic Codes

Code

 

Sequence

Condition Lights

Prepurge

Operation of combustion

 

air fan before ignition on

 

stages 1 and 2.

Trial for Ignition

Hot surface igniter

 

preparing to light burners.

Stage 1 On

Burners for stage 1 operating.

Stage 2 On

Burners for stage 2 operating.

(985,000 - 2,065,000 Btu/hr)

Status

Remote status light for

 

ignition module.

Alarm

Indicates flame failure on

 

the ignition module and

 

will indicate additional

alarms if the alarm of any failure option is purchased.

Models 495,000 - 745,000 Btu/hr

Models 985,000 - 2,065,000 Btu/hr

Figure 40 - Operation/Diagnostic Lights

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Lochinvar 000 - 2, 495, 065 service manual Table O, Status LED Diagnostic Codes, Table P
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000 - 2, 065, 495 specifications

Lochinvar 000 - 2,495,065 is a cutting-edge water heating solution designed to meet the needs of modern residential and commercial applications. This high-efficiency unit combines advanced engineering with robust technologies, providing unmatched performance and reliability.

One of the standout features of the Lochinvar 000 - 2,495,065 is its high thermal efficiency, which often exceeds 95%. Utilizing condensing technology, the unit harnesses heat from exhaust gases, allowing it to recover otherwise lost energy, thereby reducing operational costs significantly. This efficiency not only lowers energy bills for users but also lessens the environmental impact by minimizing greenhouse gas emissions.

The Lochinvar 000 - 2,495,065 is equipped with a lightweight stainless steel heat exchanger. This construction ensures exceptional corrosion resistance and longevity, extending the lifespan of the unit while maintaining optimal performance. The stainless steel design also contributes to faster heating times, making it ideal for high-demand environments.

In terms of control technologies, the Lochinvar 000 - 2,495,065 features an intuitive touchscreen interface. This user-friendly design allows for seamless operation, real-time monitoring, and easy adjustments to temperature settings. Additionally, it facilitates remote diagnostics, promoting efficient maintenance and reducing downtime, which is crucial for busy facilities.

For enhanced safety, the Lochinvar 000 - 2,495,065 includes multiple safety mechanisms, such as over-temperature protection, flame safeguard, and leak detection systems. These safety features ensure secure operation and give users peace of mind.

Moreover, the unit is compatible with various fuel sources, including natural gas and propane, making it versatile and adaptable to different infrastructure requirements. This flexibility ensures that the Lochinvar 000 - 2,495,065 can be integrated into various settings, from residential homes to large commercial buildings.

Another significant characteristic is its compact design, allowing for easy installation in tight spaces. The footprint of the Lochinvar 000 - 2,495,065 makes it an ideal solution for applications where space is at a premium, without compromising on performance.

In summary, Lochinvar 000 - 2,495,065 represents a premium choice for water heating solutions, merging advanced technologies, high efficiency, and user-friendly design to cater to a wide range of heating needs while ensuring safety and sustainability.
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