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Innovative Hearth Products
DRT63ST Direct-Vent Gas Fireplaces
PACKAGING
The assembled vented gas fireplace is pack-
aged with the following items:
• Fireplace Components:
(1) Literature Kit (in envelope in firebox;
contains Installation and Operation
Instructions manual, Safety Flyer, Glass
and Barrier Flyer and Safety-In-Opera-
tion Warning Labels)
(1) Remote Control Kit (in plastic bag in
firebox; contains remote control, and
receiver)
(3) AAA Batteries
(1) Log Set
(1) Vent Restrictor Assembly
(1) Bag of Platinum Glowing Embers
(4) Bags Volcanic Stone
(1) Door Modesty Shield
• Panel Kit (sold separately; REQUIRED for all
fireplace models) - one of the following kits:
– Buff Rustic Ceramic
– Buff Herringbone Ceramic
– Architectural Stone Ceramic
– Venetian Tile Ceramic
– Black Rustic Ceramic
– Black Porcelain
NOTE: If the barrier becomes damaged,
the barrier shall be replaced with the
manufacturer's barrier for this appliance.
FOR USE WITH BARRIER(S) PART NO(S).
J7422 (40" MODELS).
INTRODUCTION
These See-Through appliances are direct-vent,
sealed combustion gas fireplaces designed
for either indoor/indoor or indoor/outdoor
residential applications (including screened
porches and lanais). See "Minimum Clearances
to Combustibles" on Page 11.
NOTE: INDOOR/OUTDOOR INSTALLATIONS
REQUIRE AN OUTDOOR INSTALLATION KIT
(SOLD SEPARATELY).
These appliances are designed to operate on
natural or propane gas. The system is switch-
able between standing and intermittent pilot
modes.
External electrical power is required to operate
these units. In the event of a power outage,
four "AA" batteries (in receiver) can be used
as a backup.
8
GENERAL INFORMATION
Approved Vent Components
These fireplaces are designed, tested, and listed
for operation and installation with the following
vent components (8" inner and 11" outer) only:
• 8" DV Lock direct-vent system components
manufactured by Innovative Hearth Prod-
ucts.
These approved vent system components are
labeled for identification. Do NOT use any other
manufacturer's vent components with these
appliances.
DO NOT ATTEMPT TO ALTER OR MODIFY
THE CONSTRUCTION OF THE APPLIANCE
OR ITS COMPONENTS. ANY MODIFICATION
OR ALTERATION MAY VOID THE WARRANTY,
CERTIFICATION AND LISTINGS OF THIS UNIT.
These appliances comply with National Safety
Standards and are tested and listed by PFS
TECO (Report No. F14-107) to ANSI Z21.88
(in Canada, CSA-2.33), and CAN/CGA-2.17-
M91 (CSA P4.1) in both USA and Canada, as
vented gas fireplace.
These appliances are listed by PFS TECO for
installation in bedrooms, aftermarket mobile
homes, and manufactured homes.
Misc. Codes/Standards
Installation must conform to local codes or, in
the absence of local codes, with the National
Fuel Gas Code, ANSI Z223.1/NFPA 54 - latest
edition (in Canada, the current CAN/CGA-B149.1
installation code).
The appliance, when installed, must be electri-
cally grounded and wired in accordance with
local codes or, in the absence of local codes,
with the National Electrical Code, ANSI/NFPA
70 - latest edition, or the Canadian Electrical
Code, CSA C22.1 - latest edition.
Provide adequate clearances around air open-
ings and adequate accessibility clearance for
service and proper operation. Never obstruct
the front or back openings of the appliance.
These appliances are designed to operate on
natural or propane gas only. The use of other
fuels or combination of fuels will degrade the per-
formance of this system and may be dangerous.
These models come standard with a remotely
modulated gas valve. The included transmitter
remotely controls flame appearance and heat
output (manual gas valve adjustment is not
possible).
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
General Information
900355-01, 01/2020
Inputs and Efficiencies
Appliance BTU inputs are listed in Table 1A.
Appliance efficiencies are listed in Table 1B.
INPUTS
Gas Type
Inputs (BTU/hr)
Natural Gas
40,000 to 60,000
Liquid Propane
43,500 to 56,000
Table 1A
EFFICIENCIES
Gas Type
AFUE
Natural Gas
68%
Liquid Propane
70%
Table 1B
These appliances comply with CSA P.4.1-2015
"Testing Method for Measuring Annual Fireplace
Efficiency. P4 (EnerGuide) is a measurement of
the Canadian Office of Energy Efficiency.
Based on CSA P.4.1-2015
Gas Supply Pressure Requirements
Inlet and manifold gas supply pressure require-
ments for these appliances are listed in Tables
2 and 3.
Inlet Gas Supply Pressure (all models)
Fuel #
Minimum
5.0" WC
Natural Gas
(1.25 kPa)
11.0" WC
Propane
(2.74 kPa)
Table 2
Manifold Gas Supply Pressure
(all models)
Fuel #
Low
Natural
1.6" WC
Gas
(0.4 kPa)
6.3" WC
Propane
(1.57 kPa)
Table 3
Test gauge connections are provided on the front
of the electronic gas control valve (identified IN
for the inlet and OUT for the manifold side).
The control valves have a 3/8" (10 mm) NPT
thread inlet and outlet side of the valve. Refer
to Figure 1.
Propane tanks are at pressures that will cause
damage to valve components. Verify that the
tanks have step-down regulators to reduce the
pressure to safe levels.
EnerGuide
67%
67%
Maximum
10.5" WC
(2.61 kPa)
13.0" WC
(3.23 kPa)
High
3.5" WC
(0.87 kPa)
10.0" WC
(2.49 kPa)
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