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ML-SERIES FIREPLACE
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58
4.8.2
Burner Ignition Characteristics
Note : Conne c t gas supply and ve r ify that the minimum inle t and outle t pr e ssur e s ar e c onfor ming.
Once the conversion to LPG and all the above steps have been completed, light the main burners.
Use remote transmitter to turn on pilot light and burners. Main burner should now light IMMEDIATELY and flame should not
"lift" off burner. If there is any delay in ignition or if flame is "lifting off" burner, turn off burner and carefully check for proper
installation of logs/coals, vent system and proper pilot flame impingement on burner. Logs or coals must not block pilot flame
or main burner flame. Vent system must be leak proof.
W A RNING: Do not pr oc e e d with ope r ation of this fir e plac e unle ss bur ne r "c yc le s" on/off without de lays!
4.8.3
Pilot Flame and Burner Relationship Verification
Prior to completing the LPG conversion process, the qualified service technician must light the pilot light and verify the
relationship between the pilot light flames and the main burners. The pilot light flames directed to wards the propagation ports
on the rear and front burner must overlap the propagation ports on the burners.
The pilot light flame s must be a minimum of 1 ” long and must ove r lap the pr opagation por ts on both the
r e ar and fr ont bur ne r s as shown in the diagr am, be low. Ve r ify that the bur ne r tube s ignite quic kly and the
bur ne r flame s pr opagate smoothly along the e ntir e le ngth of the bur ne r s.
Figure 4-8 Pilot Flames
ML 3 9 and ML 4 7 Pilot Flame
ML54, ML60, and ML72 Pilot Flame and Burner Ports
1" MIN.
1" MIN.
