5
Installation and Operation Instructions
900300-00, 01/2018
Innovative Hearth Products
DRT35ST and DRT35PF Direct-Vent Gas Fireplaces
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
Failure to comply with these
installation instructions will result
in an improperly installed and
operating appliance, voiding its
warranty. Any change to this appli-
ance and/or its operating controls
is dangerous.
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
Any safety screen, guard, or
barrier removed for servicing
an appliance must be replaced
prior to operating the appliance.
AVERTISSEMENT
Tout écran ou protecteur retiré
pour permettre l’entretien de
l’appareil doit être remis en
place avant de mettre l’appareil
en marche.
NOTE: If the barrier becomes dam-
aged, the barrier shall be replaced
with the manufacturer’s barrier for
this appliance.
NOTE: Installation and repair should be done
by a qualified service person. The appliance
should be inspected before use and at least
annually by a professional service person.
More frequent cleaning may be required due
to excessive lint from carpeting, bedding
material, etcetera. It is imperative that control
compartments, burners and circulating air
passageways of the appliance be kept clean.
Remarque: L’installation et la réparation
devrait être confiées à un technicien qualifié.
L’appareil devrait faire l’objet d’une inspection
par un technicien professionnel avant d’être
utilisé et au moins une fois l’an par la suite.
Des nettoyages plus fréquents peuvent être
nécessaires si les tapis, la literie, et cetera
produisent une quantité importante de pous-
sière. Il est essentiel que les compartiments
abritant les commandes, les brûleurs et les
conduits de circulation d’air de l’appareil
soient tenus propres.
Do not use this appliance if any part has
been under water. Immediately call a
qualified service technician to inspect the
appliance and to replace any part of the
control system and any gas control which
has been under water.
Ne pas utiliser cet appareil s’il a été plongé,
même partiellement, dans l’eau. Ap-
peler un technicien qualifié pour inspecter
l’appareil et remplacer toute partie du
système de commande et toute commande
qui a été plongée dans l’eau.
IMPROPER INSTALLATION OR USE OF THIS
APPLIANCE CAN CAUSE SERIOUS INJURY OR
DEATH FROM FIRE, BURNS, EXPLOSION OR
CARBON MONOXIDE POISONING.
Only trim kit(s) supplied by the manufacturer
shall be used in the installation of this ap-
pliance.
Seules les trousses de garniture fournies
par le fabricant doivent être utilisées pour
l’installation de cet appareil.
These appliances comply with National Safety
Standards and are tested and listed by PFS
(Report No. F14-165) to ANSI Z21.88 (in Canada,
CSA-2.33), and CAN/CGA-2.17-M91, latest edi-
tions, in both USA and Canada, as vented gas
fireplace heaters.
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.
Both millivolt and electronic versions of these
appliances are listed by PFS Corporation for
installation in bedrooms and Manufactured
Homes or Mobile Homes.
Misc. Codes / Standards -
The 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 (USA), or the Natural Gas and Propane
Installation Code, CAN/CGA B149.1-latest edi-
tion (Canada).
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 performance of this system and may be
dangerous.
These fireplaces are designed as supplemental
heaters. Therefore, it is advisable to have an
alternate primary heat source when installed
in a dwelling.
Millivolt Models -
The millivolt appliances are
manually controlled and feature a spark igniter
(piezo) that allows the appliance's pilot gas to
be lit without the use of matches or batteries.
This system provides continued service in the
event of a power outage.
Millivolt models come standard with a manually-
modulated gas valve; flame appearance and heat
output can be controlled at the gas valve. The BTU
Input for these appliances is shown in
Table 1.
Electronic Models -
Electronic models have a
fixed rate gas valve. Input of electronic models
is shown in
Table 1
.
Efficiencies %
Natural Gas
Propane
Models
AFUE
P4
AFUE
P4
STDMN-P
68.8
59.03
70.3
58.66
STDEN
74.8
54.73
n/a
n/a
PFDMN-P
69.2
60.1
69.7
58.66
PFDEN
74.8
54.73
n/a
n/a
Based on CSA P.4.1-2015
