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Innovative Hearth Products
DRT63ST Direct-Vent Gas Fireplaces
PRE-INSTALLATION STEPS
The appliance is shipped with all gas controls
and components installed and pre-wired.
1. Remove the shipping carton, exposing the
front glass door on the control side.
2. Using a Phillips screwdriver, unfasten two
(2) screws located at the top of the glass
frame (see Figure 71 on Page 48). Tilt the
top of the glass frame away from the unit.
Lift it carefully off the bottom door track
and set the door aside, protecting it from
inadvertent damage.
WARNING
Failure to position the parts in
accordance with these diagrams
or failure to use only parts specifi-
cally approved with this appliance
may result in property damage or
personal injury.
AVERTISSEMENT
Risque de dommages ou de
blessures si les pièces ne sont
pas installées conformément à
ces schémas et ou si des pièces
autres que celles spécifiquement
approuvées avec cet appareil sont
utilisées.
Barrier (see Notice, Page 30)
This fireplace comes with a barrier to reduce the
likelihood of burns from touching hot glass. If
the barrier is damaged, the fireplace should be
turned off immediately and the fireplace must
not be operated until a new, approved factory
barrier for this unit is installed.
To remove barrier follow these steps.
1. Lift barrier up by the frame at the top.
2. Remove lower filler piece by pulling down
off of the barrier.
3. Lower barrier and push barrier to left to
release right side.
4. Pull the right side out of fireplace.
5. Remove screen.
6. Install the new, approved factory barrier
with flat side of screen toward firebox.
TYPICAL INSTALLATION SE-
QUENCE
The typical sequence of installation is outlined
below.
NOTE: Each installation is unique and
may result in variations to the steps
described herein.
See the page numbers referenced in the fol-
lowing steps for detailed procedures.
Step 1. FRAMING (Page 15): Construct
appliance framing. Position
appliance within framing; and
secure with nailing brackets.
Step 2. ROUTE GAS LINE (Page 18):
Route gas supply line to right side
(when viewed from control side of
appliance).
Step 3. INSTALL VENT SYSTEM (Page 19):
install vent system and exterior
termination.
Step 4. FIELD WIRING (Page 28): Connect
120 Vac electrical power to the
appliance receptacle.
Step 5. REMOVE GLASS DOOR ASSEMBLY
(Page 29).
Step 6. CONNECT GAS LINE (Page 29):
Make connection to gas supply.
Step 7. INSTALL FIREBOX LINER PANEL
KIT (Page 30).
Step 8. INITIALIZE THE REMOTE CONTROL
SYSTEM (Page 30).
Step 9. VERIFY APPLIANCE OPERATION
(Page 30).
Step 10. INSTALL VOLCANIC STONE,
GLOWING EMBERS, AND LOGS
(Page 30).
Step 11. INSTALL GLASS DOORS AND
MODESTY PANEL (Page 30).
Step 12. BURNER ADJUSTMENTS (Page
31): Adjust burner air shutter to
ensure proper flame appearance.
FINISHING REQUIREMENTS (Page 32).
Step 13. ATTACHING SAFETY-IN-
OPERATION WARNINGS (Page 41).
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Installation Instructions
900355-01, 01/2020
DETAILED INSTALLATION STEPS
Step 1. FRAMING
Frame these appliances as illustrated in Figure
13 on Page 16. All framing details must allow
for a minimum clearance to combustible fram-
ing members as shown in Table 5 and Figures
9–11 on Page 14.
If the appliance is to be elevated above floor
level, a solid continuous platform must be
constructed below the appliance.
Headers may be in direct contact with the
appliance top spacers but must not be sup-
ported by them or notched to fit around them.
All construction above the appliance must be
self-supporting, DO NOT use the appliance for
structural support.
Secure the fireplace to the side framing mem-
bers using the unit's nailing flanges - one
top and bottom on each side of the fireplace
front (see Figure 12). Use 8d nails or their
equivalent.
Securing Unit to Framing
by Nailing Flanges
Use Top Flange for
1/2" Thick Drywall
Front of Fireplace
Use Center Flange
for Flush Mount
Use Bottom Flange for
5/8" Thick Drywall
Left Side Front Corner of Fireplace Shown
(Same requirements for right side)
NOTE: The nailing flanges, combustible
members and screw heads in areas directly
adjacent to the nailing flanges are EXEMPT
from the 1/2" clearance to combustible
requirements for the firebox outer wrapper.
Combustible framing may be in direct contact
with the nailing flanges and may be located
closer than 1/2" from screw heads and the
firebox wrapper in areas adjacent to the
nailing flanges. Frame the opening to the
exact dimensions specified in the framing
details in these Installation Instructions.
Figure 12
15
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