Gas Supply Testing & Hook-Up - Desa GW30B Installation Instructions Manual

GAS SUPPLY TESTING
NOTE: This section is intended as a guide for qualified
technicians installing gas to the appliance.
WARNING: Do not connect appliance before pressure
testing gas piping. Damage to gas valve may result and an
unsafe condition may be created.
The appliance and its individual shut-off valve must be
disconnected from the gas supply piping system during any
pressure testing of that system at test pressures in excess of ½
psig (3.5 kPa).
The appliance must be isolated from the gas supply piping
system by closing its individual manual shut-off valve during
any pressure testing of the gas supply piping system at test
pressures equal to or less than ½ psig (3.5 kPa).
The gas control valve is secured underneath the firebox. Two
1/8 NPT plugged tappings are provided on the gas control
valve for pressure test gauge connections.
GAS CONTROL VALVE
GAS LINE HOOK-UP
Gas line hook-up should be done by your gas supplier or
licensed service technician.
NOTE: Before you proceed, make sure your gas supply is off.
A manual shut-off valve has been included in the fireplace's
gas supply system. However, consider installing an extra
shut-off valve outside the appliance's enclosure (check with
local codes), where it can be accessed more conveniently with
a key through a wall.
In conformance with local codes, route a ½" NPT gas line
towards the appliance coming in from either the left or right
side of the fireplace.
CAUTION: Do not kink flexible gas line.
GAS LINE HOOK-UP
Install a sediment trap between the incoming gas line and the
gas control box. The sediment trap should extend down a
minimum of 3 inches (76 mm) beyond the center of the pipe.
When routing gas line through conduit sleeve, make sure to
repack insulation to fill gaps between gas line and conduit
sleeve.
Compounds used on threaded joints of gas piping shall be
resistant to the action of propane or natural gas. Compounds
should be applied lightly to ensure excess sealant does not
enter the gas line.
Complete your gas line installation by connecting the
incoming gas line to flexible gas line. Secure tightly with a
wrench but do not over-tighten.
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SEDIMENT TRAP
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