Design Dynamics VTD-18ND-TKA, VTD-24ND-TKA, VTD-18PD-TKA, VTD-124PD-TKA Owner's Operating And Installation Manual
VENTED DECORATIVE GAS LOG APPLIANCE
PFS
®
US
OWNER’S OPERATION AND INSTALLATION MANUAL
MODELS
VTD-18ND-TKA, VTD-18PD-TKA,
VTD-24ND-TKA AND VTD-24PD-TKA
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
Local Codes......................................................... 4
Unpacking............................................................ 4
Product Identication ........................................... 5
Installation ........................................................... 5
Operation ........................................................... 10
Cleaning and Maintenance ................................ 12
Inspecting Burners............................................. 13
Troubleshooting ................................................. 14
SAFETy
Specications .................................................... 17
Service Hints ..................................................... 17
Technical Service............................................... 17
Wiring Diagram .................................................. 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 qualified 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 type of gas indicated on
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: Installa-
tion must be made by a licensed
plumber or gas tter in the Commonwealth of Massachusetts.
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.
WARNING: This product
con t ains and /or gene r ates
chemicals known to the State
of California to cause cancer or
birth defects or other reproductive harm.
WARNING: Keep ue open
when operating unit.
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124697-01C2
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, 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 others. 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 gases are odorless. An odormaking 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.
WARNING: Do not use a blower insert, heat exchanger insert
or other accessory not approved
for use with this appliance.
WARNING: Do not allow fans
to blow directly into replace.
Avoid any drafts that alter burner
ame patterns.
Due to high temperatures, the
appliance should be located out
of trafc and away from furniture
and draperies.
Do not place clothing or other
ammable material on or near
the appliance. Never place any
objects on heater.
Log set 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 OFF position
to prevent children from turning
on burners with remote.
You must operate this appliance
with a replace screen in place.
Make sure replace screen is
closed before running appliance.
Keep the appliance area clear
and free from combustible materials, gasoline and other ammable vapors and liquids.
1. This appliance, as supplied, is only for
use with type of gas indicated on rating
plate.
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 gas supplier’s
instructions
• if you cannot reach your gas supplier,
call the re department
3. Never install log set
• in a recreational vehicle
• where curtains, furniture, clothing or
other ammable objects are less than
42" from front, top or sides of log set
• in windy or drafty areas
124697-01C 3
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SAFETy
Continued
4. Before installing in a solid fuel burning
replace, 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. You must operate this log set with replace
screen in place and fully closed. Any glass
doors must be open during operation.
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 initia l ope ra tion, slight
smoking could occur due to log curing
and burning of manufacturing residues.
You may wish to add more ventilation by
opening a window.
7. To reduce creation of soot, follow instructions
in Cleaning and Maintenance, page 12.
8. 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.
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*
UNPACKING
9. Do not run log set
• where ammable liquids or vapors are
used or stored
• under dusty conditions
10. Do not burn solid fuel in replace after
installing log set. Do not use this log
set to cook food or burn paper or other
objects.
11. Do not use appliance if any part has been
exposed to or under water. Immediately
call a qualied service technician to inspect room heater and to replace any
part of control system and any gas control
which has been under water.
12. 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.
13. Provide adequate clearances around air
openings.
14. The receiver on this unit (see Figure 12,
page 9) has an antenna that has been
attached with adhesive. DO NOT remove
or alter placement of this antenna as this
will short circuit receiver.
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Battery March Park
Quincy, MA 02269
CAUTION: Do not remove data
plates from grate assembly. Data
plates contain important warranty
and safety information.
1. Remove contents from side compartments (see Figure 1).
2. Remove log set by lifting tray handles. Set
tray on oor.
3. Remove log set from tray by cutt ing
zip ties.
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.
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Carton Tray
with Handles
Figure 1 - Log Set in Packing Box
124697-01C4
PRODUCT IDENTIFICATION
WARNING: Failure to position 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.
INSTALLATION
WARNING: The Massachu-
setts State Board requires all
installations be performed by
a Licensed Plumber or Gas Fitter. Massachusetts state code
requires all vent dampers be
welded open or removed.
WARNING: A qualied service person must install this appliance. Follow all local codes.
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.
Log Set
Receiver
Chassis
Assembly
Receiver
Cover Log
Figure 2 - Product Identication (Ramp
Control
Knobs
Pan Burner)
Remote
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
manufacturer's instructions and
all codes and requirements of
the authority having jurisdiction.
Any modications to or use of
unauthorized components or ac-
cessory items will void manufac-
turer’s warranty and may result
in a hazardous condition.
INSTALLATION AND CLEARANCES
Figure 3 shows technical information regarding installation of your gas log set. Please
make sure that all specications shown are
applicable before installation is attempted.
SPECIFICATIONS (W.C.)
FUEL INLET PRESSURE MANIFOLD
NG
Min. Max.
LP
Figure 3 - Technical Information Chart
7" 10.5" 3.5"
11" 14" 10"
PRESSURE
124697-01C 5
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INSTALLATION
Continued
Flue Opening Specications
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 minimum openings shown
in Figure 4.
LOG SIZING REQUIREMENTS
Minimum Firebox Size
Log
Height Depth
Size
18" 20" 14" 32" 22" 8"
24" 20" 14" 39" 25" 8"
* Measured at 14" depth.
Figure 4 - Sizes and Clearances
Front
Width
CHECK GAS TYPE
Use the correct gas type (natural or propane/
LP) for your unit. If your gas supply is not
correct, DO NOT install this gas log set. Call
dealer where you bought the appliance for
proper type of appliance.
Rear
Width*
Min. Flue
Size
Minimum ue sizes shown in Figure 3, page 5,
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.
INSTALLING DAMPER CLAMP
Secure damper stop clamp to edge of damper
as shown in Figure 5. If for any reason this
clamp doesn't work on your replace, another
suitable clamp or permanent stop must be
installed, or damper blade must be cut or
removed.
Damper
Clamp
Damper
Damper
Damper
Clamp
Damper
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.
VENTING SPECIFICATIONS FOR
INSTALLATION
The replace chimney ue and vent must be
drafting properly. To check vent for proper draft-
ing, light a tightly rolled newspaper on one end
and place it to inside front edge of replace.
Observe smoke and be sure vent is properly
drawing it up the chimney. If smoke spills out
into room, extinguish ame and remove any
obstruction until proper venting is achieved.
The chimney ue must remain open a mini-
mum of 43 sq. inches of free air opening during operation of this log set. A multipurpose
damper clamp is provided to x damper in
position.
For Massachusetts Residents Only: Instal-
lation of this vented gas log set in the Commonwealth of Massachusetts requires the
damper be permanently removed or welded
in the fully open position.
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Masonry
Fireplace
Figure 5 - Attaching Damper Clamp
Manufactured
Fireplace
INSTALLING APPLIANCE
ASSEMbLY
WARNING: If installing in a
sunken replace, special care is
needed. You must raise replace
oor to allow access to appliance
controls. This will insure adequate air ow and guard against
sooting. 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 appliance is level. If
unit is not level, unit will not work properly.
124697-01C6
INSTALLATION
Continued
Installation Items Needed
• control cover kit (provided with appliance)
• approved exible gas hose and ttings
(provided with appliance) (if allowed by
local codes)
• sealant (resistant to propane/LP gas, not
provided)
1. Position appliance in replace.
2. Connect to gas supply (see Connecting
to Gas Supply).
Flexible Gas Hose
with Regulator
Control Valve
Figure 6 - Flexible Gas Hose and Gas
Regulator
CONNECTING TO GAS SUPPLY
WARNING: This appliance
requires 3/8" NPT National Pipe
Thread) inlet connection to pressure regulator.
WARNING: A qualied service person must connect heater
to gas supply. Follow all local
codes.
CAUTION: Never connect
propane/LP appliance directly
to propane/LP supply. This unit
requires an external regulator
(not supplied). Install external
regulator between unit and propane/LP supply.
Installation Items Needed
Before installing log set, make sure you have
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 connec-
tor (if allowed by local codes) (provided)
* An equipment shutoff valve with 1/8" NPT
tap is an acceptable alternative to test gauge
connection. Purchase optional equipment
shutoff valve from your dealer.
For propane/LP units, 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
vent pointing down as shown in Figure 7.
Pointing vent down protects it from freezing
rain or sleet.
External
Regulator with
Vent Pointing
Down
Propane/LP
Supply Tank
WARNING: Never connect
Figure 7 - External Regulator with Vent
Pointing Down
natural gas replace to private
(non-utility) gas wells. This
gas is commonly known as
wellhead gas.
124697-01C 7
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INSTALLATION
Continued
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 8).
IMPORTANT: Install equipment shutoff valve
in an accessible location. Equipment shutoff
valve is for turning on or shutting off gas to
appliance.
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.
We recommend that you install a sediment
trap in supply line as shown in Figure 8. Locate sediment trap where it is within reach for
cleaning. Install in piping system between fuel
supply and appliance. Locate sediment trap
where trapped matter is not likely to freeze.
A sediment trap traps moisture and contaminants. This keeps them from going into heater
controls. If sediment trap is not installed or is
installed wrong, heater may not run properly.
CAUTION: Avoid damage to
gas control. Hold gas control
with wrench when connecting it
to gas piping and/or ttings.
CHECKING GAS CONNECTIONS
WARNING: Test all gas piping
and connections, internal and
external to unit, for leaks after
installing or servicing. Correct
all leaks at once.
WARNING: Use pipe joint
sealant that is resistant to liquid
petroleum (LP) gas.
Equipment
Shutoff Valve
with 1/8" NPT
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.
3" Min.
Pipe Cap Tee
Nipple Joint
Sediment Trap
Figure 8 - Gas Connection
Tap*
From Gas
Meter (5" W.C.**
to 10.5" W.C.
Pressure)
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WARNING: Never use an
open ame to check for a leak.
Apply a noncorrosive leak detection uid to all joints. Bubbles
forming show a leak. Correct all
leaks at once.
CAUTION: Make sure exter-
nal regulator has been installed
between propane/LP supply
and appliance. See guidelines
under Connecting to Gas Supply, page 7.
PRESSURE TESTING GAS SUPPLY
PIPING SYSTEM
Test Pressures In Excess Of 1/2 PSIG
(3.5 kPa)
1. Disconnect appliance with its appliance
main gas valve (control valve) and equipment shutoff valve from gas supply piping
system. Pressures in excess of 1/2 psig
will damage appliance regulator.
2. Cap off open end of gas pipe where equipment shutoff valve was connected.
124697-01C8
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