Monessen Hearth HDV500NV/PV - Manual (Page 34)

HDV Series Direct Vent Gas Fireplace
34 56D3048
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.
. To ease installation, a 4" (610 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 50/50 water and
soap solution or a gas sniffer.
4. 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 50. After taking pressure reading, be sure and
turn captured screw clockwise firmly to reseal. Do not
over torque. Check test points for gas leaks.
W
ARNING
Do not use open flame to check for gas
leaks.
eleCtRICAl WIRING
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.
W
ARNING
electrical connections should only
be performed by a qualified, 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.
CA
ut
Io
N label all wires before disconnecting when
servicing controls. Wiring errors can cause
improper and dangerous operation.
Verify proper operation after servicing.
FP1909a
signature command valve
alternate view
8/08
Figure 50 -
Signature Command Valve
Pressure Inlet
Pilot Adjustment
Screw
Pressure Outlet
FP1909a
SIGNAtuRe CoMMAND - CHeCK GAS PReSSuRe and eleCtRICAl INStAllAtIoN