Checking Gas Pressure - (Signature Command System); Electrical Wiring (Signature Command System) - Majestic 400DVBL Installation And Operating Instructions Manual

Dvbl series direct vent gas fireplace
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SIGNATURE COMMAND - CHECKING 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.
2. To ease installation, a 24" (610 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 50/50 water and soap
solution or a gas sniffer.
4. 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 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.
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.
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.
Label all wires before disconnecting when servicing controls. Wiring errors can cause
improper and dangerous operation.
Verify proper operation after servicing.
74D0010
ELECTRICAL INSTALLATION
and
Pressure Outlet
Figure 44 - Signature Command Valve
FP1909a
Do not use open flame to check for
signature command valve
gas leaks.
alternate view
8/08
Pressure Inlet
Pilot Adjust-
ment Screw
35

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500dvbl

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