Janfire NH - Starting and Stopping the NH Burner; Starting the NH Burner

Janfire NH Burner Service Installation Manual 4.16.09 - Technical specifications are subject to change without prior
notice.
19(38)
5 Starting and Stopping the NH Burner
5.1 Starting the NH Burner
1. Install the burner into the boiler and lock it in place on both sides with the locking latches.
NOTE: The burner should be secured tightly so that no embers or smoke can be released. A non-
airtight connection can lead to a poor combustion and poor burner operation.
2. Verify that there are sufficient pellets in the external storage. The pellet level should never be lower than
the external auger inlet.
3. Check that power cables between burner and boiler and between the burner and external auger are
connected. Check that the drop tube between the external auger motor and burner internal hopper is
securely in place.
4. Turn on main power switch.
NOTE: The main power switch is usually located on the wall next to the boiler or by the entrance to the
boiler room.
5. After power is applied, press “ON/OFF” if “Stop waiting” shows in the display. The NH Burner will
execute an ashscrape, the external auger will feed pellets for up to two minutes and the ignition process
will begin. You may stop the process by pressing on/off once – “Stop waiting”. Press on/off again to
resume start up.
6. To change the desired output: Scroll the “menu” button until you come to “Choose output level xx Mbtu”.
Change value by pressing the “+” and “-“ buttons. Save the new level by pressing and holding down the
“menu” button for 3 seconds, “Saved to memory” will appear on the display screen. The next time the
burner starts, it will use the last saved value.
7. To achieve a good combustion with low exhaust temperatures, the value of the pellet weight density and
energy density values must be correct. Adjust both as described in sections 4.5 and 4.6.
If the boiler high limit is closed, the internal hopper is filled (approx. 2 min.) then the pellet level is above the
sensor. The burning cup is cleaned next. This then starts the ignition sequence of the burner. Pellets are fed
into the burner with the dosage auger, the ignition coil is energized and the combustion air fan starts. The start
sequence is pre-programmed to deliver a fast ignition and low exhaust levels. The start-up sequence takes
about 10 minutes after which the chosen output level is reached.