OPERATING INSTRUCTIONS - MILLIVOLT | HBDV7 Series Direct Vent Gas Fireplace |
Lighting pilot for the first time 
approved leak testing method
You may check for gas leaks with the following methods only:
•Soap and water solution
•An approved leak testing spray
WARNING
If using a soap and water solution to test for leaks, DO NOT spray solution onto control body.
• Electronic sniffer
danger | Never check for gas leak with open |
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| flame! |
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NOTE: Remove any excessive pipe compound from the connections. Excessive pipe compound can set off electronic sniffers.
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 |
WARNING
Lighting pilot 
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.
1.Depress and turn knob counterclockwise 
to pilot position.
2.Depress fully and hold pilot gas knob. Depress piezoigniterasmanytimesasneededtoignitepilot. 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.
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Figure 47 - | PILOT | |
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Pilot Position
Continued on next page
54D8000 | 29 |