Desa HCA-24-RFP, HCA-18-RFP, HCA-18-RFN, HCA-24-RFN User Manual
VENTED DECORATIVE GAS LOG HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
HARDWOOD ORIGINAL CALIFORNIA MAPLE KENTUCKY ELM
HCA-18-RFN HCM-18-RFN HKE-18-RFN
HCA-24-RFN HCM-24-RFN HKE-24-RFN
HCA-18-RFP HCM-18-RFP HKE-18-RFP
HCA-24-RFP HCM-24-RFP HKE-24-RFP
WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
— Do not store or use gasoline or other flammable
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 fire
department.
— Installation and service must be performed by a quali-
fied installer, service agency or the gas supplier.
Save this manual for future reference.
For more information, visit www.desatech.com
WARNING: Improper installation, 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.
WARNING: This appliance is for installation only in
a solid-fuel burning masonry or UL127 factory-built
fireplace, constructed of noncombstible material and
connected to a working flue. (See page 6 for minimum
flue opening.
WARNING: This is a gas-fired heater. It uses air (oxy
gen) 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, Section 5.3, Air for Combustion and
Ventilation.
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
State of Massachusetts: The installation must be made
by a licensed plumber or gas fitter in the Commonwealth
of Massachusetts.
TABLE OF CONTENTS
Safety Information ............................................... 3
Product Identification ........................................... 4
Local Codes ........................................................ 4
Unpacking ........................................................... 5
General Information ............................................. 5
Installation ........................................................... 5
Operating Appliance ............................................ 9
Inspecting Burners .............................................11
Cleaning and Maintenance ................................ 12
Technical Servi
Replacement Parts ............................................ 12
Troubleshooting .................................................
Specifications ....................................................
Wiring Diagram .................................................. 15
Illustrated Parts Breakdown and Parts List ....... 16
Accessories ....................................................... 18
Warranty Information .............................Back Page
ce .............................................. 12
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13
15
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115481-01A
SAFETY INFORMATION
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 flue open
when operating unit.
WARNING: This appliance
is equipped for (natural or pro
pane/LP) gas. Field conversion
is not permitted.
WARNING: Do not allow fans
to blow directly into the fireplace.
Avoid any drafts that alter burner
flame patterns.
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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.
DANGER: Carbon monoxide
poisoning may lead to death!
Carbon Monoxide Poisoning: Early signs of carbon
monoxide poisoning resemble the flu, 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 others.
These include pregnant women, people with heart
or lung disease or anemia, those under the influence
of alcohol and those at high altitudes.
Natural & LP Gas: Natural & 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.
WARNING: Installed decorative glass door enclosures must
be fully opened when operating
this gas appliance.
Due to high temperatures, the
appliance should be located out
of traffic and away from furniture
and draperies.
Do not place clothing or other
flammable material on or near
the appliance. Never place any
objects on the heater.
Heater assembly becomes very
hot when running heater. Keep
children and adults away from hot
surface to avoid burns or clothing
ignition. Heater 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 appliance.
You must operate this heater
with a fireplace screen in place.
Make sure fireplace screen is
closed before running heater.
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WARNING: Do not use a blower insert, heat exchanger insert or
other accessory not approved for
use with this appliance.
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Keep the appliance area clear
and free from combustible ma
terials, gasoline and other flam
mable vapors and liquids.
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SAFETY INFORMATION
Continued
Children and adults should be
alerted to the hazard of high tem
perature and should stay away to
avoid burns or clothing ignition.
1. This appliance, as supplied, is only for use
with the type of gas indicated on the rating
plate. This appliance is not convertible for
use with other gases.
2. Do not place propane/LP supply tank(s) in
side the structure. Locate propane/LP supply
tank(s) outdoors (propane/LP units only).
3. 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
neighborʼs phone. Follow the gas supplierʼs
instructions
• if you cannot reach your gas supplier, call
the fire department
4. Never install the log set
• in a recreational vehicle
• where curtains, furniture, clothing or other
flammable objects are less than 42 inches
from the front, top or sides of the log set.
• in high traffic areas
• in windy or drafty areas
5. Before installing in a solid fuel burning fireplace,
the chimney flue and firebox must be cleaned of
soot, creosote, ashes and loose paint by a qualified
chimney cleaner. Creosote will ignite if highly
heated. Inspect chimney flue for damage. If dam
aged, repair flue before operating appliance.
6. If fireplace has glass doors, never operate with
glass doors closed, If you operate heater with
doors closed, heat buildup inside fireplace will
cause glass to burst. Also if fireplace opening
has vents at the bottom, you must open the
vents before operating heater.
7. To reduce the creation of soot, follow the instruc
tions in Cleaning and Maintenance, page 12.
8. Do not run heater
• where flammable liquids or vapors are used
or stored
• under dusty conditions
9. Do not burn solid fuel in the fireplace after
installing the log set. Do not use this log set
to cook food or burn paper or other objects.
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10. Log set becomes very hot when in use. 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.
11. Carefully supervise young children when they
are in the room with the log set.
12. Do not use heater if any part has been exposed
to or under water. Immediately call a qualified
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 servicing,
installing or repairing. Only a qualified service
person should install, service or repair log set.
14. Prov ide adeq ua te clearan ce s around air
openings.
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.
National Fire Protection Association, Inc.
Hardwood Series gas log sets are certified by Omni
Test Laboratories to Z21.60A-2000/CGA 2.26A2000 as a vented decorative gas log set.
1430 Broadway
New York, NY 10018
Battery march park
Quincy, MA 02269
PRODUCT
IDENTIFICATION
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Floor
Media Kit
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Figure 1 - Product Identification
Log Set
Assembly
4
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115481-01A
UNPACKING
CAUTION: Do not remove the
data plates from the grate as
sembly. The data plates contain
important warranty and safety
information.
1. Remove log set assembly from carton.
2. Remove all protective packaging applied to log
set for shipment.
3. Check all items for any shipping damage. If
damaged, promptly inform dealer where you
bought appliance.
GENERAL INFORMATION
These vented decorative gas log sets incorporate
uni-body constructed ceramic fiber logs and ember
bed burner which glow realistically when the ap
pliance is in operation.
These units are remote controlled-decorative rated
and are equipped with millivolt gas valves. The
remote control allows for flame height adjustment,
timer and on/off control.
A spark ignition system (piezo) allows the gas
pilot to be lit without the use of matches or bat
teries and permits operation of the heater during
a power outage.
These log sets come with a Floor Media Kit in
cluded. This kit is used to blend the floor and the
log set together for a more natural look.
CAUTION: This heater creates
warm air currents. These currents
move heat to wall surfaces next
to heater. Installing heater next
to vinyl or cloth wall coverings or
operating heater where impurities
(such as, but not limited to, tobacco smoke, aromatic candles,
cleaning fluids, oil or kerosene
lamps, etc.) in the air exist, may
discolor walls or cause odors.
WARNING: Special care is
required if you are installing the
unit into a sunken fireplace. You
must raise the fireplace floor to
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allow access to gas log controls.
This will insure adequate air
flow and guard against sooting.
Raise the fireplace floor using
noncombustible material.
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CHECK GAS TYPE
Use the correct gas type (natural or propane/LP) for
your unit. If your gas supply is not correct, do not
instal in fireplace. Call dealer where you bought
the appliance for proper type of appliance.
INSTALLATION
WARNING: A qualified service person must install heater.
Follow all local codes.
WARNING: Before installing
in a solid fuel burning fireplace,
the chimney flue and firebox
must be cleaned of soot, creo
sote, ashes and loose paint by a
qualified chimney cleaner. Creo
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WARNING: This appliance
is equipped for (natural or pro
pane/LP) gas. Field conversion
is not permitted.
FLUE OPENING SPECIFICATIONS
Note: This vented appliance must be installed only
in a solid-fuel burning fireplace with a working
flue and constructed of noncombustible material.
The fireplace chimney must have a permanent vent
opening to outside of not less than 29 square inches
or as determined from manufacturer's installation
instructions.
sote will ignite if highly heated. A
dirty chimney flue may create and
distribute soot within the house.
Inspect chimney flue for damage.
If damaged, repair flue damper
before operating appliance.
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LOG SIZING REQUIREMENTS
MINIMUM FIREBOX SIZE
LOG FRONT REAR
SIZE HEIGHT DEPTH WIDTH WIDTH
18" 14" 16" 30" 20"
24" 18" 18" 34" 24"
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INSTALLATION
Continued
VENTING SPECIFICATIONS FOR
INSTALLATION
The fireplace chimney flue and vent must be draft
ing 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 fireplace.
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 flame and remove any
obstruction until proper venting is achieved.
The chimney flue damper must be fixed open to
provide a minimum of 29 square inch flue opein
ing at all times during operation of the log set. A
damper clamp can be used to secure the damper
(see Accessories, page 18). See the National Fuel
Gas Code ANSI Z223.1/NFPA 54, Section 6.6
details about minimum flue size.
INSTALLING DAMPER CLAMP
Secure the damper stop clam to the edge of the
damper as shown in Figure 2. If for any reason this
clamp doesn't work on your fireplace, another suit
able clamp or permanent stop must be iinstalled, or
the damper blade must be cut or removed.
Damper
Clamp
Damper
Damper
Clamp
Damper
Damper
for
PLACEMENT OF APPLIANCE
Center the appliance in the fireplace. Make certain
the grate front feet sit inside the front edge of
the fireplace and that there is adequate clearance
around the appliance for access and operation.
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CONNECTING TO GAS SUPPLY
WARNING: A qualified service
person must connect heater to gas
supply. Follow all local codes.
Installation Items Needed
Before installing heater, make sure you have the
items listed below.
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• external regulator (propane/LP models only)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve
• test gauge connection
• sediment trap
• tee joint
• pipe wrench
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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 inches
of water. If you do not reduce incoming gas pres
sure, heater regulator damage could occur. Install
external regulator with the vent pointing down as
shown in Figure 3. Pointing the vent down protects
it from freezing rain or sleet.
WARNI N G : Co n n ec t i ng
directly to an unregulated pro
pane/LP tank may cause an
explosion.
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Masonry
Fireplace
Figure 2 - Attaching Damper Clamp
6
Manufactured
Fireplace
Propane/LP
Supply Tank
Vent
Pointing
Down
Figure 3 - External Regulator with Vent
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External
Regulator
Pointing Down
115481-01A
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