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Innovative Hearth Products
Superior
DRT40 Direct Vent Gas Fireplace
TM
Gas
Valve
3/8" Nipple
Figure 50 -
GAS CONNECTION
TEST ALL CONNECTIONS FOR GAS LEAKS
(FACTORY AND FIELD):
WARNING
Never use an open flame to
check for leaks.
Turn on gas supply and test for gas leaks, us-
ing a gas leak test solution (also referred to as
bubble leak solution).
NOTE: Using a soapy water solution is an
effective leak test solution but it is not recom-
mended, because the soap residue that is left
on the pipes/fittings can result in corrosion
Main Gas
over time.
Shut-Off Valve
DFC Board
A. Light the appliance (refer to the lighting
*CPI Switch - Switches from an
instructions label in the control compartment
intermittent pilot mode to a stand-
or in the Care and Operation Instructions
ing pilot mode (a standing pilot
manual).
stays lit when the fireplace is off).
B. Brush all joints and connections with the gas
leak test solution to check for leaks. If bubbles
are formed, or gas odor is detected, turn the
gas control knob (off/pilot/on) to the "OFF"
position. Either tighten or refasten the leaking
connection, then retest as described above.
C. When the gas lines are tested and leak free,
be sure to rinse off the leak testing solution.
Main Gas
Shut-Off Valve
Figure 51
28
Optional Gas Flex Line Connector
3/8" NPT x 3/8"
Flare Fitting
3/8" Flex Tubing
3/8" Union
3/8" Close Nipple
3/8" Shut-Off Valve
Step 8. VERIFYING APPLIANCE OPERA-
TION
With gas line installed run initial system
Burner Assembly
checkout before closing up the front of the unit.
Follow the pilot lighting instructions provided
in the Care and Operation Instructions manual.
For piezo igniter location see Figure 51 (millivolt
appliances only).
NOTE: Lighting Instructions are also found on
the literature tag tied to the gas piping next
to the gas valve. To access the tag, open the
lower control compartment door (Figure 51)
by pushing in simultaneously the left and right
top corners of the door. (The door is hinged at
the bottom). Remove the bottom compartment
door by sliding the hinge pin, located at the
Battery
Gas Valve
door's left side, to the right until it disengages
Holder
from the left corner post hole.
CPI Switch*
*CPI Switch Positions
When first lighting the appliance, it will take a
(o) = Intermittent Pilot Mode
few minutes for the line to purge itself of air.
(-) = Standing Pilot Mode
Once purging is complete, the pilot and burner
will light and operate as indicated in the instruc-
tion manual.
Burner Assembly
Subsequent lighting of the appliance will not
require such purging. Inspect the pilot flame
(remove logs, if necessary, handling carefully).
Gas Valve
Burner ON/OFF
(Optional) Burner
Switch (optional)
ON/OFF Switch
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
1/2" x 3/8" Flare
Shut-Off Valve
Gas
Stub
1/2" x 3/8"
Reducer
Pilot Assembly
Door Latch
Pilot Assembly
Piezo
Glass Door
Door Latch
Spring Latch
Installation and Operation Instructions
900357-00, 06/2015
Millivolt Appliance Checkout
The pilot flame should be steady, not lifting
or floating. Flame should be blue in color with
traces of orange at the outer edge.
The top 3/8" (10 mm) at the pilot generator
(thermopile) and the top 1/8" minimum (tip)
of the quick drop out thermocouple should be
engulfed in the pilot flame.
The flame should project 1" (25 mm) beyond the
hood at all three ports (see Figure 52). Replace
logs if removed for pilot inspection.
To light the burner; turn "ON" the remote wall
switch and rotate the gas valve control knob
counterclockwise to the "ON" position ("ON"
will be at the top side of the valve).
MILLIVOLT
Hood
Igniter Rod
Thermocouple
Pilot
Nozzels
Thermopile
Figure 52 - Millivolt Pilot
Electronic Appliance Checkout
To light the burner, turn 'ON' the wall or remote
control switch. Ensure the igniter lights the pilot.
The pilot flame should engulf the flame rod as
shown in Figure 53.
Igniter
Igniter
Pilot Hood
Flame Rod
Sensor
(sensor)
Figure 53 - Electronic Pilot
3/8" Min
(9 mm)
Pilot
Hood
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