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Innovative Hearth Products
DRT40 Multi-View Series Direct-Vent Gas Fireplace
Inlet Pressure Test Port
Manifold
Pressure
Test Port
Slotted
Cap
Spring
Adjusting
Screw
Exercise extreme care to prevent damage to
or breakage of the igniter assembly.
Remove the screw securing the pilot assembly
to its mounting bracket. Back off the flare nut
at the end of the pilot gas line to free the pilot
assembly from the gas line. Remove the pilot
orifice and replace it with the one provided with
the conversion kit. Reinstall the pilot assembly
by reversing the steps detailed here.
When reinstalling the igniter assembly, use
extreme care to prevent damage and break-
age. Do not apply any leverage to the igniter
assembly while restoring the retainer clip to
its original position.
Pilot
Orifice
Retaining
Clip
Flare Nut
NOTE: If the igniter is damaged, a replacement
kit is available, order Catalog No. 87L54.
All Models
Step 5. (Refer to Figure 64, page 42)
A. Remove the orifice from the manifold and
replace it with the one provided in the kit.
The following table shows the orifice sizes
for natural and propane models. Figure 67,
illustrates the orifice. Always check and verify
correct orifice size.
B. Install the burner as shown in Figure 68.
Ensure that the arm of the venturi of the burner
is hooked onto the air shutter adjustment lever
(refer to Figure 64 on Page 42).The primary air
opening can be adjusted by rotating the adjust-
ment lever from beneath the firebox floor. Refer
to Figure 62 on Page 38 for the recommended
minimum primary air opening setting.
Burner Orifice Sizes (all models)*
Model
ST and PF
CL and CR
Table 49
*For elevations of 0-4500 ft. or 0-1372 m
Figure 65
Figure 67
BURNER POSITIONING
Pilot
Assembly
Igniter
Assembly
PILOT ASSEMBLY
Figure 68
Step 6. Reassemble the remaining components
by reversing the procedures outlined in the
preceding steps.
Use pipe joint compound or Teflon tape on all
pipe fittings before installing (ensure propane
Figure 66
resistant compounds are used in propane ap-
plications, do not use pipe joint compounds
on flare fittings).
Step 7. Attach the conversion label provided
in the conversion kit to the rating plate on the
appliance.
Step 8. Turn on gas supply and test for gas leaks.
ALWAYS TEST PRESSURE WITH THE VALVE
REGULATOR CONTROL AT THE HIGHEST
SETTING
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Natural
Propane
Gas
Gas
drill size (inches)
drill size (inches)
#32 (0.116")
*
1.65mm (0.065")
*
37L82 •
74L88 •
2.7mm (0.106")
*
1.55mm (0.061")
*
18L40 •
42M79 •
* Standard size installed at factory
• Part /Cat. Number
PAN
BURNER
Installation and Operation Instructions
900299-00, 02/2019
CARE AND OPERATIONS WARNINGS
WARNING
Children and adults should be
alerted to the hazards of high
surface temperature and should
stay away to avoid burns or
clothing ignition.
AVERTISSEMENT
Les enfants et les adultes
devraient être infor-més des
dangers que posent les tempéra-
tures de surface élevées et se
tenir à distance afin d'éviter des
brûlures ou que leurs vêtements
ne s'enflamment.
WARNING
Clothing or other flammable
material should not be placed
on or near the appliance.
AVERTISSEMENT
On ne devrait pas placer de
vêtements ni d'autres matières
inflammables sur l'appareil ni
à proximité.
WARNING
Improper installation, adjust-
ment, alteration, service or
maintenance can cause injury
or property damage. Refer to
this manual. For assistance or
additional information consult
a qualified installer, service
agency or the gas supplier.
WARNING
These fireplaces are vented
gas appliances. Do not burn
wood or other material in these
appliances.
43
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