Gas Supply Connection - Napoleon GD40-N Installation And Operation Instructions Manual

20

GAS SUPPLY CONNECTION

1. Move the fireplace into position and secure to the floor
using #10 hex head screws (not supplied).
2. Route a 3/8" N.P.T. black iron gas line, 1/2" type-L
copper tubing or equivalent to the fireplace.
3. For ease of accessibility, an optional remote wall switch
or millivolt thermostat may be installed in a convenient
location. Route 2-strand (solid core) millivolt wire through
the electrical hole located at the bottom left side of the unit.
The recommended maximum lead length depends on
wire size:
WIRE SIZE
14 gauge
16 gauge
18 gauge
Do not connect either the wall switch, thermostat or
gas valve to electricity (110 volts).
Attach the two leads to terminals 1 and 3 located on the
gas valve.
1
2
FIGURE 36
3
MANTLE INSTALLATION
Combustible mantle clearance can vary according to the
mantle depth. Use the graph to help evaluate the clear-
ance needed. The three-sided top extension frame may be
removed if framing is faced with a non-combustible mate-
rial.
WS-415-091 / 06.26.00
MAX. LENGTH
100 feet
60 feet
40 feet
FINISHING
7" MANTLE
3" MANTLE
FIGURES 38
4. Install the rigid black pipe, ½" type-L copper tubing or,
if local codes permit, a 3 / " flex connector and shutoff valve
8
to the gas line and the fireplace gas valve. Seal and tighten
securely. An adapter fitting is required between the gas
valve and the copper tubing or flex connector.
FIGURE 37
Do not kink flexible connector.
5. Check for gas leaks by brushing on a soap and water
solution.
Do not use open flame.
TOP EXTENTION
TOP OF THE UNIT