Get instant access to all the maintenance information you need. Empower technicians to perform preventive maintenance with asset packages, ready to use right out of the box.

Documents & Manuals

Find all the essential guides in one place.

Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more

Work Order Templates

Pre-built workflows to keep your asset running smoothly.

Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Procedures

Integrate maintenance plans directly into your work orders.

Motion Industries
Applied Industrial Technologies
Electrical Brothers
+ 5 more

Parts

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Drive Motor
B2 Rollers
Tensioning System
+ 40 more

Lochinvar Condensing Boiler OFN1001

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Maintenance Plans for Lochinvar Condensing Boiler Model OFN1001

Integrate maintenance plans directly into your work orders in MaintainX.

Water Piping Check

Leak Inspection

Check system piping for leaks

Air Venting

Vent any remaining air from the system using manual vents

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Water Chemistry Check

Water Hardness Check

Measure the water hardness in grains per gallon

Is the water hardness between 5 and 12 grains per gallon?

Consult local water treatment companies for hard water areas (above 12 grains per gallon hardness)

pH Level Check

Measure the pH level of the water

Is the pH level between 6.5 and 8.5?

Total Dissolved Solids (TDS) Check

Measure the Total Dissolved Solids (TDS) in ppm

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Water System Check

Fill and Test Water System

Ensure the water meets the requirements of the manual before filling the system.

Close the following components

Fill to correct system pressure. Enter the pressure reading.

Enter the minimum cold water fill pressure for the system (psi).

Did the pressure rise when the boiler was turned ON and system water temperature increased?

Check the system thoroughly for any leaks during initial fill and boiler startup.

Describe any leaks found and repairs made.

Purge Air from Water System

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Inlet Gas Supply Check

Warning!

Pre-Check Preparations

Turn the main power switch to the “OFF” position.

Shut off gas supply at the manual gas valve in the gas piping to the appliance.

Manometer Setup

Remove the 1/8" pipe plug on the flange to the factory supplied gas shutoff valve and install a suitable 1/8" fitting for the manometer tubing.

Place the tubing of the manometer over the tap once the 1/8" fitting is installed.

Gas Supply Activation

Slowly turn on the gas supply at the factory installed manual gas valve.

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Thermostat Circuit Check

Preparation

Disconnect the two external wires connected to the enable terminals on the connection board.

Voltage Check

Connect a voltmeter across the two incoming wires and close each thermostat, zone valve, and relay in the external circuit one at a time. Record the voltmeter reading across the incoming wires.

Is there any voltage reading?

Troubleshooting

If a voltage occurs, was the external wiring checked and corrected?

Final Steps

Reconnect the external thermostat circuit wires to the connection board.

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