Design Dynamics VTD-18NV-JHB, VTD-24NV-JHB, VTD-18PV-JHB, VTD-30NV-JHB, VTD-30PV-JHB Owner's Operation And Installation Manual
VENTED DECORATIVE APPLIANCE
PFS
US
OWNER’S OPERATION AND INSTALLATION MANUAL
®
MODELS VTD-18NV-JHB, VTD-18PV-JHB, VTD-24NV-JHB,
VTD-24PV-JHB, VTD-30NV-JHB AND VTD-30PV-JHB
WARNING: If the information in this manual is not
followed exactly, a re or explosion may result causing
property damage, personal injury or loss of life.
— Do not store or use gasoline or other ammable
vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the re
department.
— Installation and service must be performed by a quali-
ed installer, service agency or the gas supplier.
INSTALLER: Leave this manual with the appliance
CONSUMER: Retain this manual for future reference.
For more information, visit www.fmiproducts.com
TABLE OF CONTENTS
Safety .................................................................. 2
Product Identication ........................................... 4
Local Codes......................................................... 5
Unpacking............................................................ 5
Product Features ................................................. 5
Optional Accessories ........................................... 5
Installation ........................................................... 5
Operation ........................................................... 10
Inspecting Burners............................................. 12
Cleaning and Maintenance ................................ 12
SAFETY
Troubleshooting ................................................. 13
Specications .................................................... 17
Wiring Diagrams ................................................ 18
Service Hints ..................................................... 18
Technical Service............................................... 18
Replacement Parts ............................................ 19
Accessories ....................................................... 19
Parts .................................................................. 20
Warranty ..............................................Back Cover
WARNING: Improper instal-
lation, adjustment, alteration,
service or maintenance can
cause injury or property damage.
Refer to this manual for correct
installation and operational
procedures. For assistance or
additional information consult a
qualied installer, service agency
or the gas supplier.
This appliance may be installed
in an aftermarket,* permanently
located, manufactured (mobile)
home, where not prohibited by
local codes.
This appliance is only for use
with the type of gas indicated on
the rating plate. This appliance
is not convertible for use with
other gases.
* Aftermarket: Completion of sale, not for
purpose of resale, from the manufacturer.
WARNING: This appliance
is for installation only in a
solid-fuel burning masonry or
UL127 factory-built replace,
constructed of noncombustible
material and connected to a
working ue. (See page 6 for
minimum ue opening.)
WARNING: This is a gas-red
heater. It uses air (oxygen) from
the room in which it is installed.
Provisions for adequate combustion and ventilation air must be
provided. Refer to the National
Fuel Gas Codes, ANSI Z233.1/
NFPA 54, Air for Combustion and
Ventilation.
State of Massachusetts: The
installation must be made by
a licensed plumber or gas
tter in the Commonwealth of
Massachusetts.
WARNING: This product contains and/or generates chemicals
known to the State of California
to cause cancer or birth defects
or other reproductive harm.
WARNING: Keep ue open
when operating unit.
IMPORTANT: Read this owner’s
manual carefully and completely
before trying to assemble, operate or service this log set.
Improper use of this log set can
cause serious injury or death
from burns, fire, explosion,
electrical shock and carbon
monoxide poisoning.
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114370-02H2
SAFETY
Continued
DANGER: Carbon monoxide
poisoning may lead to death!
Carbon Monoxide Poisoning: Early signs
of carbon monoxide poisoning resemble the
u, with headaches, dizziness or nausea. If
you have these signs, the log set may not
be working properly. Get fresh air at once!
Have log set serviced. Some people are
more affected by carbon monoxide than oth-
ers. These include pregnant women, people
with heart or lung disease or anemia, those
under the inuence of alcohol and those at
high altitudes.
Natural and Propane/LP Gas: Natural and
propane/LP gas are odorless. An odor-making
agent is added to the gas. The odor helps you
detect a gas leak. However, the odor added to
the gas can fade. Gas may be present even
though no odor exists.
Make certain you read and understand all
warnings. Keep this manual for reference. It
is your guide to safe and proper operation of
this log set.
WARNING: Any change to
this log set or its controls can
be dangerous.
Do not place clothing or other
ammable material on or near
the appliance. Never place any
objects on the heater.
Appliance base assembly becomes very hot when running.
Keep children and adults away
from hot surface to avoid burns
or clothing ignition. Log set
will remain hot for a time after
shutdown. Allow surface to cool
before touching.
Carefully supervise young chil-
dren when they are in the room
with log set. When using handheld remote accessory keep selector switch in the OFF position
to prevent children from turning
on burners with remote.
You must operate this log set
with a replace screen in place.
Make sure replace screen is
closed before running log set.
WARNING: Do not use a blower insert, heat exchanger insert or
other accessory not approved for
use with this appliance.
WARNING: This appliance is
equipped for use with type of gas
indicated on rating plate.
Keep the log set area clear and
free from combustible materials,
gasoline and other ammable
vapors and liquids.
Children and adults should be
alerted to the hazard of high
temperature and should stay
away to avoid burns or clothing
WARNING: Do not allow fans
to blow directly into the replace.
Avoid any drafts that alter burner
ame patterns.
ignition.
1. Do not place propane/LP supply tank(s)
inside any structure. Locate propane/
LP supply tank(s) outdoors (propane/LP
units only).
Due to high temperatures, the
appliance should be located out
of trafc and away from furniture
and draperies.
114370-02H 3
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SAFETY
Continued
2. If you smell gas
• shut off gas supply
• do not try to light any appliance
• do not touch any electrical switch; do not
use any phone in your building
• immediately call your gas supplier from
a neighbor’s phone. Follow the gas sup-
plier’s instructions
• if you cannot reach your gas supplier,
call the re department
3. Never install the log set
• in a recreational vehicle
• where curtains, furniture, clothing or other
ammable objects are less than 42" from
the front, top or sides of the log set.
• in high trafc areas
• in windy or drafty areas
4. Before installing in a solid fuel burning replace, the chimney ue and rebox must
be cleaned of soot, creosote, ashes and
loose paint by a qualied chimney cleaner.
Creosote will ignite if highly heated. Inspect
chimney ue for damage. If damaged,
repair ue before operating appliance.
5. Do not operate heater if any log is broken.
Do not operate heater if a log is chipped
(dime-sized or larger).
6. This log set is designed to be smokeless.
If logs ever appear to smoke, turn off appliance and call a qualied service person.
Note: During initial operation, slight smok-
ing could occur due to log curing and
the burning of manufacturing residues.
You may wish to add more ventilation by
opening a window.
7. To reduce the creation of soot, follow the
instructions in Cleaning and Maintenance,
page 13.
8. The installation and provisions for combustion and ventilation air must conform
with the National Fuel Gas Codes, ANSI
Z233.1/NFPA 54, Air for Combustion and
Ventilation.
9. To prevent performance problems, do not
use propane/LP fuel tank of less than 100
lb. capacity (propane/LP units only).
10. Do not run log set
• where ammable liquids or vapors are
used or stored
• under dusty conditions
11. Do not burn solid fuel in the replace after
installing the log set. Do not use this log
set to cook food or burn paper or other
objects.
12. Do not use heater if any part has been ex-
posed to or under water. Immediately call
a qualied service technician to inspect
the room heater and to replace any part
of the control system and any gas control
which has been under water.
13. Turn log set off and let cool before servic-
ing, installing or repairing. Only a qualied
service person should install, service or
repair log set.
14. Provide adequate clearances around air
openings.
15. This vented gas log set may not be installed in a bedroom or bathroom in the
Commonwealth of Massachusetts.
PRODUCT IDENTIFICATION
WARNING: Failure to position the parts in accordance
with these diagrams or failure
to use only parts specically
approved with this appliance
may result in property damage
or personal injury.
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Grate
Ceramic
Burner
Chassis
Assembly
Figure 1 - Product Identication
Control
Knob
Log Set
Assembly
Piezo
Ignitor
ON/OFF
Switch
114370-02H4
LOCAL CODES
Install and use log set with care. Follow all local
codes. In the absence of local codes, use the
latest edition of the National Fuel Gas Code
ANSI Z223.1/NFPA 54*
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Battery march park
Quincy, MA 02269
UNPACKING
CAUTION: Do not remove the
data plates from the grate assembly. The data plates contain
important warranty and safety
information.
1. Remove log set assembly from carton.
Note: Do not pick up assembly by logs.
This could damage unit. Always handle
assembly by grate.
2. Remove control cover oor media components.
3. Remove all protective packaging applied to
log set for shipment.
4. Check heater for any shipping damage. If
heater is damaged call FMI PRODUCTS,
LLC at 1-866-328-4537 for replacement
parts before returning to dealer.
PRODUCT FEATURES
This unitized log set is tested and approved
to ANSI Z21.60 and CSA 2.26 as a vented
decorative appliance.
PIEZO IGNITOR
This unit has a piezo ignitor. This system requires no matches, batteries or other sources
to light appliance.
INSTALLATION
WARNING: Before installing
in a solid fuel burning replace,
the chimney ue and rebox
must be cleaned of soot, creosote, ashes and loose paint by
a qualified chimney cleaner.
Creosote will ignite if highly
heated. A dirty chimney ue may
create and distribute soot within
the house. Inspect chimney ue
for damage. If damaged, repair
ue damper before operating
appliance.
WARNING: Make sure selec-
tor switch is in the OFF position
before installing appliance.
OPTIONAL ACCESSORIES
• VTD-HLCN/P - Converts valve from ON/
OFF to HI/LO
• OFSM-RCN/P - Converts valve from ON/
OFF to HI/LO for use with hand-held ON/
OFF remote (included)
• OF-RC - Converts ON/OFF valve for use
with hand-held ON/OFF remote
See Accessories, page 19.
NOTICE: Installation, service and
repair of this appliance must be
performed by a qualied installer,
service agency, company or gas
supplier experienced with this
type of gas appliance. Only factory
authorized components listed in
these instructions may be used
in accordance with the manufacturer's instructions and all codes
and requirements of the authority
having jurisdiction. Any modica-
tions to or use of unauthorized
components or accessory items
will void the manufacturer’s war-
ranty and may result in a hazard-
ous condition.
114370-02H 5
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INSTALLATION
Continued
WARNING: Do not place lava
rocks and log scraps on burner.
CHECK GAS TYPE
Use the correct gas type (natural or propane/
LP) for your unit. If your gas supply is not cor-
rect, DO NOT install this into your replace.
See the dealer where you bought the appli-
ance for proper type.
WARNING: This appliance is
equipped for either natural gas
or propane/LP gas but not both.
Gas type is indicated on the rating plate. Field conversion is not
permitted.
INSTALLATION AND CLEARANCES
The charts in Figure 2 indicate technical
information regarding the installation of your
gas log set. Please make sure that all of the
specications shown are applicable before
installation is attempted.
MINIMUM FIREBOX SIZES
MODEL
VTD-18NV-JHB
VTD-18PV-JHB
VTD-24NV-JHB
VTD-24PV-JHB
VTD-30NV-JHB
VTD-30PV-JHB
*At depth indicated
LOG
SIZE
INCHES NO. INCHES NO.
29 3/4" 20" 15 1/2" 18"
BURNER ORIFICE
NATURAL PROPANE/LP
18" 0.1495 25 0.0935 42
24" 0.1570 22 0.0980 40
30" 0.1660 19 0.1015 38
SPECIFICATIONS (W.C.)
FUEL INLET PRESSURE
MIN. MAX.
NG 5" 10.5" 3.5
LP 11 " 14" 10
Figure 2 - Technical Information Charts
BACK
WIDTH
FRONT
WIDTH*
DEPTH
28" 16" 14" 18"
36" 27" 18" 18"
MANIFOLD
PRESSURE
HEIGHT
FLUE OPENING SPECIFICATIONS
Note: This vented appliance must be installed
only in a solid-fuel burning replace constructed of noncombustible material. The replace
must include a ue and venting system with
the minimum openings shown in Figure 3.
BTU
MODEL BURNER
VTD-18NV-JHB
VTD-18PV-JHB
VTD-24NV-JHB
VTD-24PV-JHB
VTD-30NV-JHB
VTD-30PV-JHB
18" Ramp 59,000 8" dia.
24" Ramp 69,000 8" dia.
30" Ramp 74,000 8" dia.
INPUT
MIN. VENT
OPENING
Figure 3 - Specications
VENTING SPECIFICATIONS FOR
INSTALLATION
The replace chimney ue and vent must be
drafting properly. To check the vent for proper
drafting: Light a tightly rolled newspaper on
one end and place it at the inside front edge
of the replace. Observe the smoke and be
sure the vent is properly drawing it up the
chimney. If the smoke spills out into the room,
extinguish the ame and remove any obstruc-
tion until proper venting is achieved.
The chimney ue must have a minimum free air
opening of 43" during operation of this log set.
A damper clamp is provided to x the damper
in position.
The minimum ue sizes shown in Figure 2 are
based on a 6' chimney height using round pipe.
Your minimum ue size will vary based on input
rate and chimney height. Refer to the National
Fuel Gas Code ANSI Z223.1/NFPA 54, Section
6.6, for details.
For Massachusetts Residents Only
Installation of this vented gas log set in the
Commonwealth of Massachusetts requires
the damper be permanently removed or
welded in the fully open position.
INSTALLING DAMPER CLAMP
Secure the damper stop clamp to the edge
of the damper as shown in Figure 4, page 7.
If for any reason this clamp doesn't work on
your replace, another suitable clamp or permanent stop must be installed, or the damper
blade must be cut or removed.
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114370-02H6
Damper
Clamp
Damper
Clamp
Damper
INSTALLATION
Continued
Damper
Damper
2. Position appliance in replace.
3. Connect to gas supply. See Connecting
To Gas Supply, page 8.
Flexible Gas Hose
(If Allowed by Local Codes)
Gas
Control
Valve
Masonry
Fireplace
Figure 4 - Attaching Damper Clamp
Manufactured
Fireplace
INSTALLING APPLIANCE
ASSEMBLY
WARNING: If installing in a
sunken replace, special care
is needed. You must raise the
replace oor to allow access
to appliance control panel. This
will insure adequate air ow
and guard against sooting and
controls being damaged. Raise
replace oor with noncombustible material. Make sure material
is secure.
CAUTION: Do not pick up appliance assembly by logs. This
could damage unit. Only handle
assembly by grates.
IMPORTANT: Make sure the appliance is level.
If unit is not level, unit will not work properly.
Installation Items Needed• control
cover kit (provided with appliance)
• approved flexible gas hose and fittings
(provided with appliance) (if allowed by local
codes)
• sealant (resistant to propane/LP gas, not
provided)
1. Apply pipe joint sealant lightly to male
threads of gas tting (not provided). Connect approved exible gas hose to inlet
side of gas control valve (see Figure 5).
Figure 5 - Attaching Flexible Gas Hose to
Gas Control Valve
CONNECTING TO GAS SUPPLY
WARNING: This appliance
requires a 3/8" NPT (National
Pipe Thread) inlet connection to
the pressure regulator.
WARNING: A qualied service person must connect heater
to gas supply. Follow all local
codes.
CAUTION: Never connect
propane/LP replace directly to
the propane/LP supply. This unit
requires an external regulator
(not supplied). Install the external regulator between the unit
and propane/LP supply
WARNING: Never connect
natural gas replace to private
(non-utility) gas wells. This gas
is commonly known as wellhead
gas.
114370-02H 7
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INSTALLATION
Continued
Installation Items Needed
Before installing log set, make sure you have
the items listed below.
• external regulator (supplied by installer)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
• approved exible gas line with gas connector (if allowed by local codes) (provided)
* An equipment shutoff valve with 1/8" NPT
tap is an acceptable alternative to test gauge
connection. Purchase the optional equipment
shutoff valve from your dealer.
For propane/LP units, the installer must
supply an external regulator. The external
regulator will reduce incoming gas pressure.
You must reduce incoming gas pressure to
between 11" and 14" of water. If you do not
reduce incoming gas pressure, regulator damage could occur. Install external regulator with
the vent pointing down as shown in Figure 6.
Pointing the vent down protects it from freez-
ing rain or sleet.
CAUTION: Use only new,
black iron or steel pipe. Internally-tinned copper tubing may
be used in certain areas. Check
your local codes. Use pipe of
1/2" diameter or greater to allow
proper gas volume to heater. If
pipe is too small, undue loss of
volume will occur.
Installation must include an equipment shutoff
valve, union and plugged 1/8" NPT tap. Locate
NPT tap within reach for test gauge hook up.
NPT tap must be upstream from log set (see
Figure 7).
IMPORTANT: Install equipment shutoff valve
in an accessible location. The equipment
shutoff valve is for turning on or shutting off
the gas to the appliance.
Check your building codes for any special
requirements for locating equipment shutoff
valve to replaces.
Apply pipe joint sealant lightly to male NPT
threads. This will prevent excess sealant from
going into pipe. Excess sealant in pipe could
result in clogged heater valves.
WARNING: Use pipe joint
sealant that is resistant to liquid
petroleum (LP) gas.
Propane/LP
Tank
External
Regulator with
Vent Pointing
Down
Figure 6 - External Regulator with Vent
Approved
Flexible Gas
Hose (If allowed
by local codes)
* Purchase the optional shutoff valve from
your dealer.
** Minimum inlet pressure for purpose of input
adjustment.
Pointing Down
Equipment Shutoff Valve
with 1/8" NPT Tap*
Propane/LP Gas
From External
Regulator (11"
W.C.** to 14" W.C.
3" Min.
Pipe Cap Tee
Nipple Joint
Sediment Trap
Figure 7 - Gas Connection
Natural Gas
From Gas Meter
(5" W.C.** to 10.5"
W.C. Pressure)
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114370-02H8
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