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VENT-FREE
NATURAL
GAS
RADIANT
FLAM
HEATER
OWNER'S
OPERATION
AND INSTALLATION
MANUAL
RFN28TC
14,000
to 28,000
Btu/Hr
with
Thermostat
"C"
Model
Shown with Optional
Mantel featuring
Built-in Base
I WARNING:
If the information
in this manual is
not followed
exactly,
a fire or explosion
may
result causing
property
damage,
personal
in-
jury, 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.
m
Installation
and service must be performed
by a
qualified
installer,
service
agency,
or the gas
supplier.
WARNING: Improper installa-
tion, adjustment,
alteration,
service, or maintenance
can
cause injury or property dam-
age. Refer to this manual for
correct
installation
and op-
erational
procedures.
Fore
assistance
or additional
in-
formation
consult a qualified
installer,
service
agency,
or
the gas supplier.
WARNING:
This
is
an
unvented
gas-fired heater. It
uses air (oxygen)
from the
room in which it is installed.
Provisions for adequate com-
bustion and ventilation must
be provided.
Refer to Air for
Combustion
and Ventilation,
page 6 of this manual.
This appliance may be Installed
in an aftermarket* manufactured
(mobile) home, where not prohibited by
state or local codes.
• Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
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Table of Contents
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- Page 1 VENT-FREE NATURAL RADIANT FLAM HEATER OWNER'S OPERATION AND INSTALLATION MANUAL RFN28TC 14,000 to 28,000 Btu/Hr with Thermostat "C" Model Shown with Optional Mantel featuring Built-in Base WARNING: Improper installa- tion, adjustment, alteration, not followed exactly, a fire or explosion service, or maintenance result causing property damage,...
-
Page 2: Safety Information
VENT-FREE NATURAL GAS RADIANT FLAME HEATER SAFETY 12. Make sure screen is in place before run- This appliance is only for use with the type of gas indicated on the rating plate. ning heater. INFORMATION This appliance is not convertible for use 13. -
Page 3: Product Identification
OWNER'S MANUAL PRODUCT PRODUCT FEATURES IDENTIFICATION Control Knob Ignitor Button Operation This heater is clean burning. It requires no Lighting and outside venting. This heater has been tested and Warning Plates approved to ANS Z21.11.2 standard unvented heaters. State and local codes in some areas prohibit the use of vent-free heaters. -
Page 4: Assembling Heater
VENT-FREE NATURAL GAS RADIANT FLAME HEATER ASSEMBLY Attaching Brass Front Trim to WARNING: Always have Front Panel burner shield and screen in place ASSEMBLING HEATER Locate brass front trim in brass trim before operating heater. This pre- package. Tools Required: vents excessive temperatures on Slide the head of two truss-head screws heater surfaces. - Page 5 OWNER'S MANUAL ASSEMBLY Top Brass Trim Continued Side Brass Trim Set Screws Assembling and Attaching Brass Trim Adjusting Plate 1. Remove packaging from remaining three pieces of brass trim. Locate four brass screws, two adjust- ing plates with set screws, and two shims in the hardware packet.
- Page 6 VENT-FREE NATURAL GAS RADIAN'I FLAME HEATER AIR FOR PROVIDING ADEQUATE Confined and Unconfined Space VENTILATION COMBUSTION The National Fuel Gas Code (ANS Z223. l, 1992 Section 5.3) defines a confined space The following are excerpts from National VENTILATION as a space whose volume is less than 50 Fuel Gas Code.
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Page 7: Air For Combustion Ventilation
OWNER'S MANUAL AIR FOR COMBUSTION VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater pl us any adjoining rooms with doorless passageways or ventilation grills between the rooms. -
Page 8: Air For Combustion
VENT-FREE NATURAL GAS RADIANT FLAME HEATER AIR FOR COMBUSTION VENTILATION Continued Ventilation Grills VENTILATION Into Adjoining Room, Ventilation Option 2 Grills Ventilation Air From Inside into Adjoining Room, Building Option 1 This fresh air would come from an adjoining unconfined space. -
Page 9: Installation
OWNER'S MANUAL LOCATING HEATER INSTALLATION CAUTION: If you install the heater in a home garage WARNING: Maintain the mini- NOTICE: This heater is intended • heater pilot and burner must mum clearances shown in Figure for use as supplemental heat. Use be at least 18 inches above 10. - Page 10 VENT-FREE NATURAL GAS RADIANT FLAME HEATER iNSTALLATiON INSTALLATION OPTIONS Marking Screw Locations Tape mounting bracket to wall where Continued There are three options for mounting this heater will be located. Make sure heater. THERMOSTAT SENSING mounting bracket is level. A. Mounting heater to wall BULB B.
- Page 11 OWNER'S MANUAL INSTALLATION Tighten both screws until heater Placing Heater On Mounting firmly secured to wall. Do not over Bracket Continued tighten. Locate two horizontal slots on back Attaching To Wall Anchor Method Note: Do not replace front panel at this panel of heater.
- Page 12 VENT-FREE NATURAL GAS RADIANT a)FLAME HEATER INSTALLATION Bottom of Heater Securing Hearth Base to Floor Base Position hearth base in desired location. Shipping Continued Screw Mark holes for drilling (See Figure 18). B. MOUNTING HEATER ON Remove hearth base. OPTIONAL HEARTH BASE For carpeted floor, make a small cut with a sharp knife at marked locations before...
- Page 13 OWNER'S MANUAL Installation must include a manual shutoff INSTALLATION CONNECTING TO GAS valve, union, and plugged 1/8" NPT tap. SUPPLY Continued Locate NPT tap within reach for test gauge NOTICE: A qualified service per- hook up. NPT tap must be upstream from C.
- Page 14 VENT-FREE NATURAL GAS RADIANT FLAME HEATER INSTALLATION Test Pressures Equal To or Less Than Pressure Testing Heater Gas 1/2 PSIG Connections Continued Close manual shutoff valve (see Fig- Open manual shutoff valve (see Fig- CHECKING ure 2l). ure 21). CONNECTIONS Pressurize supply piping system by ei- Open main gas valve located on or near ther using compressed air or opening...
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Page 15: Operating Heater
OWNER'S MANUAL OPERATING Keep control knob pressed in for 30 seconds after lighting pilot. After 30 INSTRUCTIONS LIGHTING HEATER seconds, release control knob. • If control knob does not pop up STOP! Read the safety information when released, contact a qualified above. -
Page 16: Inspecting Burner
VENT-FREE NATURAL GAS RADIAN'IP FLAME HEATER INSPECTING BURNER FLAME PATTERN OPERATING BURNER HEATER Figure 27 shows a correct burner flame pattern. Figure 28 shows an incorrect burner Continued Check pilot flame pattern and burner flame flame pattern. The incorrect burner flame pattern often. -
Page 17: Troubleshooting
OWNER'S MANUAL TROUBLESHOOTING _IL CAUTION: Never use a wire, needle, or similar object to clean plug heater and let cool before Note: All troubleshooting items are listed in ODS/pilot. Th is can damage ODS/ servicing. Only a qualified ser- order of operation. pilot unit. - Page 18 VENT-FREE NATURAL GAS RADIAN'I FLAME HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Burner orifice is clogged 1. Clean burner (see Cleaning and Mainte- nance, page 20) or replace burner orifice 2.
- Page 19 OWNER'S MANUAL TROUBLESHOOTING Continued WARNING: 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 supplier's instructions.
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Page 20: Cleaning And Maintenance
VENT-FREE NATURAL GAS RADIAN'IP FLAME HEATER CLEANING SPECIFICATIONS MAINTENANCE BTU (Variable) 14,000/28,000 Type Gas Natural Only Ignition Piezo WARNING: Turn off heater Pressure Regulator Setting 3" W.C. and let cool before cleaning. Inlet Gas Pressure (in. of water) * Maximum 10.5"... -
Page 21: Replacement Parts
OWNER'S MANUAL REPLACEMENT PARTS CENTRALS PARTS These Parts Centrals are privately-owned businesses. They have agreed to support our customer's needs by providing original replacement parts and accessories. Note: Use only original replacement parts. This will protect your warranty coverage for Tarantin Tank Co. -
Page 22: Illustrated Parts Breakdown
VENT-FREE NATURAL GAS RADIANT _ FLAME HEATER ILLUSTRATED PARTS BREAKDOWN RFN28TC _o35_... -
Page 23: Parts List
OWNER'S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 21 of this manual. RFN28TC PART QTY. NUMBER DESCRIPTION 098304-01 Screw, #10 x 3/8" 100566-01CK Front Panel 100573-01BR Screen Assembly... - Page 24 VENT-FREE NATURAL GAS RADIANT FLAME HEATER ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, either contact your nearest Parts Central (see page 21) or call DESA International's Sales Department at 1-800- _ _H ._ _1111 458-2472 for information.
- Page 25 OWNER'S MANUAL ACCESSORIES Continued CORNER MANTEL Unfinished - GMC33U Series Finished - GMC32F Series For use with heater and hearth base. Space- PRESTIGE MANTEL saving comer design featuring clean, classic Unfinished - GMC23U Series lines. Available in a walnut finish or an Finished - GMC22F Series...
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Page 26: Warranty
WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any ti me without notice. The only warranty applicable is our standard written warranty.