Monessen Hearth IDV SERIES IDV380NVC - Manual (Page 17)

57D0016
IDV380/IDV490 Fireplace Insert
17
CheCK GAS PReSSuRe
1. Check gas type. The gas supply must be the same as stated on the appliance’s rating decal. If
the gas supply is different from the fireplace, StOP! Do not install the appliance. Contact your
dealer immediately.
. Install and attach flex line provided on this appliance to 1/" gas line.
3. After completing gas line connection, purge air from gas line and test all gas joints from the
gas meter to the fireplace for leaks. Use a soap and water solution or a gas sniffer.
4. To adjust flame height, turn HI/LO knob to HI to
get maximum pressure to burner. Turn HI/LO
knob to LO to get minimum pressure.
5. To check gas pressures at valve, turn captured
screw counter clockwise or 3 turns and then
place tubing to pressure gauge over test point.
Turn unit to high. Figure 16. After taking pressure
reading, be sure and turn captured screw clock-
wise firmly to reseal. Do not over torque. Check
test points for gas leaks with a soap and water
solution or an electronic gas leak detector.
FP1932
valve regulator with knobs
Pressure
Test "IN"
Pressure Test
"OUT"
HI/LO Knob
Pilot Adjustment Screw
FP193
Figure 16 -
Gas Pressure Check at Gas Valve
W
ARN
iNG
Do not use open flame to
check for gas leaks.