Modu-Fire® Gas-Fired Boiler
3. Inspect burner for any signs of deterioration or |
corrosion. Replace immediately if deterioration |
Maintenance
5.2CLEANING THE BURNER
or corrosion is evident. |
The blower motor is permanently lubricated and does not require periodic lubrication.
This work should be performed by
5.1.5 Annually
In addition to the recommended monthly service:
1. Check burner and clean off any soot or foreign |
material that may have accumulated. See Sec- |
Ignition Electrode
UV Scanner
Burner
Tube
Mixer Core
| tion 5.2 on "Cleaning the Burner." Check for |
| corrosion of the burner and its parts. If there is |
| evidence of deterioration or corrosion, replace |
| immediately. |
2. | Inspect combustion chamber through access |
| door on front side of boiler. To remove doors, |
| remove fasteners, pull door forward slightly, |
| then pull upward. Note any signs of deteriora- |
| tion. Take corrective action as necessary. |
3. | Inspect and clean heat exchanger. Clean exte- |
| rior of finned tubes and flush inside of heat ex- |
| changer as required (separate from system |
| flush). |
4. | Examine the venting system at least once a year. |
| a. Check all joints and pipe connections for |
| tightness. |
| b. Check pipe for corrosion or deterioration. If |
| any piping needs replacing, do so immedi- |
| ately. |
5. | Inspect heating system for other problems. This |
| work should be performed by |
| personnel. |
6. | Perform combustion analysis. |
7. | The relief valve should be tested as per the |
| valve manufacturer’s recommendations at least |
| annually or as indicated by local codes. |
8. | Leak test gas valves. |
Pilot
BurnerTube
Screen
Burner Assembly
1.Follow Lock out / Tag out procedures for Elec- tric, Gas, and Water connections.
2.Remove the top cover of the boiler.
3.Disconnect the pilot tube, main gas union, elec- trode wire, ground wire, mixer core tube, UV Scanner, and the 4 burner hold down nuts.
4.Remove the burner and mixer core from the boiler and place it on the floor.
5.Use low pressure air, max. 20 psig, to blow in- side the burner first, then outside of the burner, in order to remove any accumulated dust or lint
6.Check that the electrode is not touching the wall of the pilot tube. Also be sure the electrode is not cracked and that the ceramic spider is able to move up and down freely.
7.Use a soft, clean cloth to remove accumulated contaminants from the UV radiation tube (UV scanner) glass envelope.
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