Nirmal Energy Limited

FAQs

1. What I will do in case of Ingition failure?

2. What I will do if Blower Fan running failure occurs?

3. What I will do if Fuel Oil Pump delivery failure occurs?

4. What I will do in case of unsteady flame?

5. What I will do if there is no response to flame by automatic furnace controller with
flame sensor?

6. What I will do if Defuser Assembly / Burner Head give poor combustion data due to
heavy inside accumulation of oil or coke (oil operation)?

7. What I will do if Solenoid Valve fails to open?

8. Give me cleaning and lubricating instructions

Ans 6. What I will do if Defuser Assembly / Burner Head give poor combustion data due to heavy inside accumulation of oil or coke (oil operation)?

Cause	Remedy
Incorrect settings	Correct settings
Incorrect mixture ignition unit	Replace unit
Nozzle too large or too small	Replace nozzle
Incorrect angle or spray	Replace nozzle
High or low combustion air flow rate	Readjust burner
Furnace chamber not sufficiently ventilated	Furnace chamber to be ventilated through a non-closed opening with a cross section of minimum 50 % of all chimney cross sections of the furnace system. Take care to observe the application regulations

Ans 7. What I will do if Solenoid Valve fails to open?

Cause	Remedy
Defective coil	Replace coil
Defective automatic furnace controller	Replace automatic furnace controller
Valve does not close tightly; dirt accumulated on sealing surfaces	Open valve; remove foreign matter; replace valve if required

Ans 8. Give me cleaning and lubricating instructions

Depending on the amount of dirt introduced by the combustion air it will be necessary to clean the fan impeller, ignition electrodes, flame sensor and air dampers are required.

For burner with mechanical compound controller: Lubricate the ball heads of the compound controller setting screws with grease.
The bearing points of the burner moving parts require no maintenance.

Damages of ball bearings should be detected and eliminated at an early stage at avoid greater subsequent trouble. Listen to the motor bearing noise to identify possible irregularities.

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