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HBDV7 Series Direct Vent Gas Fireplace
6
54D8000
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, Do not install the
appliance. Contact your dealer immediately.
. To ease installation, a 30" (76 mm) flex line with
manual shut-off valve has been provided with on
this appliance. Install and attach 1/" gas line onto
shut-off valve.
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 solution of 50/40
water and soap 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 44. After taking pressure reading,
be sure and turn captured screw clockwise firmly
to reseal. Do not over torque. Check test points for
gas leaks.
This fireplace will work without any electrical supply. Electricity is only needed to operate blower.
NOTE: If installed in mobile home, fireplace must be bolted securely to floor.
FP1979
Millivolt gas valve
FP1979
Figure 44 -
Gas Pressure Check at Gas Valve
Pressure
Test “IN”
Pressure
Test “OUT”
HI/LO Knob
Pilot Adjustment Screw
Verify proper operation after servicing.