Lighting pilot, Lighting pilot for the first time, Operating instructions – Mastic Spark Modern Fires 91P User Manual
Page 32: Warning, Danger

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OPERATING INSTRUCTIONS
APPROVED LEAK TESTING METHOD 
You may check for gas leaks with the following methods only:
 • Soap and water solution
 • An approved leak testing spray
 • Electronic sniffer
NOTE: Remove any excessive pipe compound from 
the connections. Excessive pipe compound can set 
off electronic sniffers. 
1. Depress and turn knob counterclockwise
to pilot position.
2. Depress fully and hold pilot gas knob. The elec-
tronic ignitor will automatically ignite the pilot.
Keep knob fully depressed for a few seconds. Release 
and check that pilot continues to burn. 
If the pilot does not stay lit, repeat steps 1 and 2.
LIGHTING PILOT
Check for gas leaks in each of the following locations:
 • Pipe from the gas supply line connection to the gas valve
 • Burner connections 
• Field made joints / gas shutoff valve
• Pilot
• Factory made joints
• Each joint or connection
• All joints on valve and control body
LIGHTING PILOT FOR THE FIRST TIME
The control has an interlock device that does not allow the lighting of the fireplace 
up to the moment the safety device of the flame has not interrupted the gas flow. 
After that period of time (when the magnet is closed), it is possible to start the lighting 
operation. 
The gas control knob is designed to be operated by hand. DO NOT use any tools during 
this operation. Damaged knobs may result in serious injury. 
WARNING
If using a soap and water solution to test 
for leaks, DO NOT spray solution onto 
control body.
WARNING
Never use an open flame to check for gas leak.
DANGER
