33
75D2523
MDV Series Direct Vent Gas Fireplace
operatIng InstructIons - mIllIVolt
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. Depress piezo
ignitor as many times as needed to 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.
Pilot Position
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 - mIllIVolt
lIghtIng pIlot - mIllIVolt
w
arn
Ing
If using a soap and water solution
to test for leaks, do not spray
solution onto control body.
danger
never check for gas leak
with open flame!
PILOT
O
FF
P
IL
O
T
ON
FP1935
control knob pilot
