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Innovative Hearth Products
DRT35ST and DRT35PF Direct-Vent Gas Fireplaces
MAINTENANCE
(See Maintenance Schedule, Page 59)
Refer to the maintenance schedule for maintenance
tasks, procedures, periodicity and by whom they
should be performed. Always verify proper opera-
tion of the appliance after servicing.
WARNING
Turn off gas and electrical power
to the fireplace and allow it to
cool before cleaning or servicing
the appliance.
CAUTION:
Wear gloves and safety
glasses for protection while doing
required maintenance.
Verify proper operation after servicing.
S'assurer que l'appareil fonctionne adé-
quatement une fois l'entretien terminé.
Always turn off gas to the pilot (millivolt
appliances) before cleaning. Before re-
lighting, refer to the lighting instructions
in this manual. Instructions are also found
on a pull-out panel located in the control
compartment.
Prior to the first use of the fireplace and
each burn season and periodically during
the burn season, inspect the horizontal
termination for debris such as bird nests,
leaves, paper or branches. Remove any
items from the surfaces of the termina-
tion prior to use. Also be aware of shrubs
and plantings that may encroach on the
termination.
Inspect Venting System
The appliance and venting system should be
thoroughly inspected before initial use and
at least annually by a qualified service techni-
cian (inspection should include ensuring that
exhaust or intake passages are unobstructed
and vent components are properly assembled
and not damaged). Homeowner must contact
a qualified service technician at once if any
abnormal condition is observed.
If the venting system is disassembled for any
reason, a qualified service technician should
follow vent installation instructions for proper
reassembly and proper sealing of the venting
system components. However, more frequent
periodic inspections and cleanings should be
performed by the homeowner.
50
Cleaning Glass
(see Front Glass Enclosure Panel, Removal and
Installation on Page 9).
NOTE: Clean glass after first two weeks of
operation (after Burn-In period is over) and then
only when necessary and when the fireplace is
cool. Wipe surface with a clean, dampened, soft
cloth. Follow with a dry, soft towel as desired.
Take care not to scratch the glass surface.
The viewing glass should be cleaned periodi-
cally to remove any build-up caused from the
following:
WARNING
Do not use abrasive cleaners
on glass. Never clean the glass
when it is hot.
• During start-up, it is normal for condensa-
tion to form on the inside of the glass (this
condensation and fog will usually disappear
in a few minutes). The moisture can cause
lint, dust and other airborne particles to cling
to the glass surface.
• Initial curing of the high temperature paint
and burning off of lubricants used in the
manufacturing process may result in a film
on the glass.
• A white coating may form on the glass as a
result of impurities and minerals in the fuel.
It is recommended that the glass be cleaned
two or three times during each heating season,
depending on the circumstances present. The
following cleaning solutions are approved for
use to clean glass:
• Non-ammonia based household cleaner
• 50%-50% mix of white vinegar and water
• Gas fireplace/stove glass cleaner
Inspect Glass Gasket - Visually inspect the
gasket on the backside of the glass enclosure
panels. The gasket surface must be clean, free
of irregularities and seated firmly.
Clean Control Compartment
Keep control compartment clean by vacuuming
or brushing at least twice a year. More frequent
cleaning may be required due to excessive lint
from carpeting, bedding materials, etc. It is
important that control compartments, burners
and circulating air passageways of the appliance
be kept clean.
Clean Logs And Burner
Carefully remove the logs (use care when han-
dling the fiber logs, as they become quite fragile
after curing). Vacuum out any foreign matter
(lint, carbon, etc.) on the burner. Ensure the
burner ports are "open." Remove any carbon
deposits from the under side of the logs using
a vacuum cleaner, or a soft bristled brush (i.e.
paint brush).
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Installation and Operation Instructions
900300-00, 01/2018
NOTE: Improper positioning of logs can create
carbon build-up and will alter the performance
of the appliance.
Replacing Logs
If the logs become damaged by accident or
improper handling and need replacement, use
only the proper replacement logs from manufac-
turer (see Page 48 for ordering information).
Re-Install Embers and Logs
Carefully follow placement instructions on
Pages 48 through 50. All logs should fit
onto corresponding pins and/or log stop-
pers. This will ensure a proper flame and
safe combustion.
Inspect Wiring
Refer to wiring diagrams on Page 53.
CAUTION: Label all wires prior to discon-
nection when servicing controls. Wiring
errors can cause improper and dangerous
operation. Verify proper operation after
servicing.
ATTENTION: Au moment de l'entretien
des commandes, étiquetez tous les fils
avant de les débrancher. Des erreurs
de cáblage peuvent entraîner un fonc-
tionnement inadéquat et dangereux.
Inspect and clean all wire connections. Ensure
that there is no melting or damage. Inspection
should include:
• Terminals at the Valve
• OFF/ON Switch
• (Optional Control Switch) Wall Thermostat,
Remote Control or Remote Wall Switch Kit
Inspect Burner Flame and Pilot Flame
Appearance
Periodically do a visual check of the burner
flame and the pilot flame. Ensure that the
burner flame appearance resembles the flame
shown in Figure 85 and as described in Flame
Appearance and Sooting on Page 55. Refer
to Figures 87 and 88 on Page 56 for more
information about the pilot flame appearance.
Contact a qualified service technician at once
if any abnormal condition is observed.
NOTE: It is important to ensure proper log
and or media placement per the manual when
installing these units. Verify pilot flame is not
obstructed.
Small Area Paint Touch-up
Only use a factory supplied paint kit for touch-
ups. Paint is available at your local Innovative
Hearth Products dealer. Never attempt to paint
a hot fireplace.
Do not attempt to repaint the appliance until the
finish is completely cured (see Burn-In Period
on Page 42). If the surface later becomes
stained or marred, it may be lightly sanded
and touched up with spray paint.
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Troubleshooting
