Electrodes Adjustment - Unigas E115X Installation Manual

Removing the combustion head
Remove the lid C.

Unscrew the screws V holding in position the manifold G and pull out

the complete group as shown in figure.
Note: for the subsequent assembly carry out the above described
operations in the reverse order, checking the correct position of the OR ring.
To remove the combustion head, pull it out. Once removed, check that the air
and gas holes are not obstructed. Clean the combustion head by means of
compressed air or scrape off the scale using a metallic brush

Electrodes Adjustment

Important Note: Check the ignition and detection electrodes after removing/adjusting the combustion head.
ATTENTION: avoid the ignition and detection electrodes to contact metallic parts (blast tube, head, etc.), other-
wise the boiler's operation would be compromised. Check the electrodes position after any intervention on the
combustion head.
Adjust the electrodes position, according to the quotes shown othe next picture
ER
M-
EA: Ignition electrode
ER: Detection electrode
PART V: MAINTENANCE
M-
EA
EA: Ignition electrode
ER: Detection electrode
VRT
AR
OR
2÷3 mm
41
V
C
G
 ÷  mm