Monessen Hearth BDV500 User Manual

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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.

2.  To ease installation, a 30" (mm) flex line with manual 

shut-off valve has been provided with on this appliance. 
Install and attach 

1

/

2

" 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 2 or 3 turns and then place tubing to 
pressure gauge over test point. Turn unit to high.  See 
Figure 35. After taking pressure reading, be sure and 
turn captured screw clockwise firmly to reseal. Do not 
over torque. Check test points for gas leaks.

Pressure 

Test “IN”

Pressure 

Test “OUT”

HI/LO 

Knob

Pilot Adjustment 

Screw 

Electrical connections should only be performed by a qualifi ed, licensed electrician. 
Main power must be off when connecting to main electrical power supply or performing 
service. All wiring shall be in compliance with all local, city, and state codes. The 
appliance, when installed, must be electrically grounded in accordance with local codes, 
or in the absence of local codes, with the National Electrical Code ANSI/ NFPA 70 (latest 
edition) and Canadian Electrical Code, CSA C22.1.

Verify proper operation after servicing. 

This fireplace will work without any electrical supply. Electricity is only needed to operate blower.