Air King Thermostat KWN105P106 10000 User Manual

Kozy-World VENT-FREE  
GAS-FIRED ROOM HEATER  
USER'S OPERATION AND INSTALLATION MANUAL  
MODELS:KW(N307,P308)-30,000 BTU/HR THERMOSTAT  
AND KW(N207,P208)-20,000 BTU/HR THERMOSTAT  
AND KW(N105,P106)-10,000 BTU/HR THERMOSTAT  
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 qualified installer, service agency  
or the gas supplier.  
- INSTALLER : LEAVE THIS MANUAL WITH THE CONSUMER  
- CONSUMER : RETAIN THIS MANUAL FOR FUTURE REFERENCE  
WORLD MARKETING OF AMERICA, INC.  
PO Box 192, Route 22 West, Mill Creek, PA 17060-0192  
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GENERAL SAFETY INSTRUCTIONS:  
SAFETY : Accidents are always tragic especially because so many of them could  
have been prevented with a little care and judgment. There are some basic good  
practices we hope you will follow for safe use of your gas-fired room heater.  
IMPORTANT : Read this user's manual carefully and completely before  
trying to assemble, operate, or service this heater. Improper use of this heater  
can cause serious injury or death from burns, fire, explosion, electrical shock,  
and carbon monoxide poisoning.  
Early signs of carbon monoxide poisoning resemble the flu, with headaches,  
dizziness, or nausea. If you have these signs, the heater may not be working  
properly. Get fresh air at once! Have heater 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.  
Begin by insuring proper installation and servicing. Follow the installation  
instructions provided with this product. Have your heater installed by a qualified  
technician. Have the installer show you where the gas supply shut off valve is  
located so that you know where to shut off the gas to the heater. If you smell gas,  
your installer has not done a proper job of checking leaks. If the connections are not  
perfectly seated or tightened, you may have a leak and therefore a faint gas smell.  
Finding a leak is not a DO-IT-YOURSELF procedure. Some leaks can only be  
found with the main burner gas on and this must be done by a qualified technician.  
PRECAUTIONS:  
Never use natural gas in a unit designed for liquefied petroleum gases.  
Never use liquefied petroleum gases in a unit designed for natural gas.  
Check all joints and connections. To avoid the danger of fire, accident or  
explosion, never check a potential gas leak with an open flame.  
This heater shall not be installed in a bedroom or bathroom.  
Never install the heater in any of the following locations:  
Recreational vehicle  
Where curtains, furniture, clothing, or other flammable objects are less than  
36 inches from the front, top, or sides of the heater  
Fireplace  
High traffic area  
Drafty areas  
This heater needs fresh, outside air for ventilation to run properly. This heater  
has an oxygen depletion sensor(ODS)pilot light safety system. The ODS shuts  
down the heater if not enough fresh air/oxygen content(18%)is available.  
Never run heater in confined space. Open a door to an adjoining room to help  
ventilate(For air openings, see National Fuel Code).  
Page 2  
 
If heater shuts off, do not relight until you provide fresh, outside air. If heater  
keeps shutting off, have it serviced.  
Do not run heater where :  
Flammable liquids or vapors are used or stored.  
Dusty condition exists.  
Never place any objects on the heater.  
Supervise children when they are in the same room with heater, never  
allow them to sit, stand or play on or around the heater.  
Make sure grille guard is in place before running heater.  
Do not use heater if any part has been 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.  
Keep appliance area clear and free from combustible materials, gasoline and  
other flammable vapors and liquids.  
Turn off heater and let cool before servicing. Only a qualified technician should  
service and repair heater.  
PRODUCT IDENTIFICATION:  
LOCAL CODES  
Install and use heater 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, also known as NFPA54*  
*
Available from:  
American National Standards Institute, Inc.  
1430 Broadway  
New York, NY 10018  
National Fire Protection Association, Inc.  
Batterymarch Park  
Quincy, MA 02269  
Page 3  
 
UNPACKING:  
1. Remove heater from carton.  
2. Remove all protective packaging applied to heater for shipment.  
3. Check heater for any shipping damage. If heater is damaged,  
promptly inform dealer/distributor where you bought heater.  
PRODUCT FEATURES:  
Safety Device  
This heater has a pilot with an Oxygen Depletion Sensor Shutoff System  
(ODS).  
The ODS pilot is a required feature for vent-free room heaters. The  
ODS pilot shuts off the heater if the normal air oxygen content is reduced  
to 18%.  
Piezo Ignition System  
This heater has a piezo ignitor. This system requires no matches,  
batteries, or other sources to light heater.  
Thermostatic Heat Control  
Thermostat has a sensing bulb, and a control valve. This results in the  
greatest heater comfort. This can also result in lower gas bills.  
FRESH AIR FOR COMBUSTION AND VENTILATION:  
WARNING : This heater must have fresh air for proper operation. If not, poor  
fuel combustion could result. Read the following instructions to insure proper fresh  
air for this and other fuel-burning appliances in your home.  
ADEQUATE COMBUSTION/VENTILATION AIR  
All spaces in homes fall into one of the three following ventilation classifications:  
Unusually Tight Construction : The air that leaks around doors and windows  
may provide enough fresh air for combustion and ventilation. However, in  
buildings of unusually tight construction, you must provide additional fresh air.  
Unusually Tight Construction is defined as construction where:  
-Walls and ceilings exposed to the outside atmosphere have a continuous  
water vapor retarder with a rating or one perm or less with openings gasketed or  
sealed and  
-Weather stripping has been added on openable windows and doors  
-Caulking or sealants are applied to areas such as joints around window and  
door frames, between sole plates and floors, between wall-ceiling joints,  
between wall panels, at penetrations for plumbing, electrical and gas lines, and  
at other openings.  
Page 4  
 
Unconfined Space  
An unconfined space whose volume is not less than 50 cubic feet per 1,000  
BTU/HR of the aggregate input rating of all appliances installed in that space.  
Rooms communicating directly with the space in which the appliances are  
installed, Though the openings not furnished with doors are considered a part of  
the unconfined space.  
Confined Space  
A confined space whose volume is less than 50 cubic feet for each 1,000  
BTU/HR of the aggregate input rating of all appliances in that space.  
WARNING : You must provide additional ventilation air in a confined space.  
For proper operation of the unit, provide fresh air opening(s) to the room.  
Follow the National Fuel Code NFPA 54 / ANSI Z223.1, for required size of  
combustion and ventilation openings.  
NOTICE : A qualified service person must install heater. Follow all local codes.  
CHECK GAS TYPE : Verify the type of gas supply to be used, either natural or  
LP(Propane), and make sure the marking on the appliance rating plate agrees with  
that of the supply gas. The rating plate is located on the side of the heater, which  
indicates the type of gas that heater is orificed for.  
ITEMS NEEDED FOR HEATER INSTALLATION: Before installing heater,  
make sure you have the items listed below:  
Gas piping (check local codes.).  
Test gauge connection  
Sealant (resistant to LP gases)  
Manual shutoff valve*  
Sediment trap  
Ground joint union  
Tee joint and pipe wrench  
An installer supplied, design-certified manual shutoff valve with 1/8" NPT tap  
connection.  
LP gases installation, also requires an installer supplied, design certified gas pressure  
regulator.  
LOCATING HEATER:  
This heater is designed to be mounted on a wall. Heater can be located on  
floor, away from a wall. An optional floor mounting base is needed,  
purchase the floor mounting base from your dealer.  
WARNING : Never install the heater  
in a bedroom or a bathroom  
in a recreational vehicle  
where curtains, furniture, clothing, or other flammable objects are less  
than 36 inches from the front, top, or sides of the heater  
as a fireplace insert  
Page 5  
 
in high traffic areas  
in windy or drafty areas  
IMPORTANT : Vent-free heaters add moisture to the air. Although this is  
beneficial, installing heater in rooms without enough ventilation  
may cause mildew formation from too much moisture content.  
See National Fuel Code for Fresh Air for Combustion and  
Ventilation.  
This appliance may be installed in an aftermarket* manufacture  
(Mobile) home, where not prohibited by state or local codes.  
*Aftermarket : Completion of sale, not for purpose  
of resale, from the manufacturer.  
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.  
CAUTION :  
If you install the heater in a home garage:  
Heater must be at least 18 inches above floor.  
Locate heater where moving vehicle will not hit it.  
Preparing For Installation  
Select a location for the heater that will provide maximum exposure of the radiant  
surface to the room, but will not be subjected to accidental contact.  
Adequate clearance must be available around the air opening. See Figures 1 & 2  
for clearances that must be maintained to the side walls, floor and horizontal  
surface surrounding the heater.  
Figure 1  
Figure 2  
Attaching Mounting Brackets To Wall  
Note: Wall anchors, mounting screws, and spacers are in hardware package.  
The hardware package is provided with heater  
Page 6  
 
1. Install mounting brackets on wall as shown in Figure 2. Use enclosed “paper  
template” for proper location of holes. It may be necessary to use plastic or lead  
anchors for plaster walls.  
2. Drill holes at marked locations using 9/64"drill bit.  
3. Insert mounting screws through bracket and into wall studs.  
4. Tighten screws until mounting bracket is firmly fastened to wall studs.  
Attaching to wall anchor method  
For attaching mounting bracket to hollow walls(wall areas between studs) or solid  
walls (concrete or masonry):  
1. Drill holes at marked locations using 5/16" drill bit. For solid walls (concrete or  
masonry), drill at least 1 inch deep.  
2. Insert the plastic anchor as shown in Figure 3 below:  
Figure 3  
3. Tap anchor flush to wall as shown in Fig.4  
Figure 4  
4. Insert mounting screws through each bracket and into wall anchors.  
5. Tighten screws until mounting bracket is firmly fastened to wall.  
Installing Bottom Mounting Screws  
1. Locate two bottom mounting holes. These holes are near bottom on back  
panel of heater (See Figure 5.).  
2. Mark screw locations on wall.  
3. Remove heater from mounting bracket.  
4. If installing bottom mounting screws into hollow or solid wall, install wall  
anchors. Follow steps 1 through 4 under, "Attaching To Wall Anchor Method",  
page 7. If installing bottom mounting screw into wall stud, drill holes at marked  
locations using 9/64"drill bit.  
5. Replace heater onto mounting bracket.  
6. Place spacers between bottom mounting holes and wall anchor or drilled hole.  
7. Hold spacer in place with one hand. With other hand, insert mounting screw  
through bottom mounting hole and spacer. Place tip of screw in opening of wall  
Page 7  
 
anchor or drilled hole.  
8. Tighten both screws until heater is firmly secured to wall. Do not over tighten.  
Figure 5  
1. Clearance requirements from surface of carpeting, tile or other combustible  
material (See Figure 1.).  
Wall Mounted & Floor Mounted With Base Provided  
Rear  
Sides  
Top  
0 Inches  
6 Inches  
36 Inches  
2 Inches  
Floor  
Figure 6  
NOTICE:  
Maintain the minimum clearances shown in Figure 1, but you can provide greater  
clearances from floor, ceiling and adjoining wall.  
2. After mounting brackets are installed, hang heater on mounting brackets in holes  
provided at the rear of heater (See Figure 7.).  
Page 8  
 
Figure 7  
3. Installation and repair should be done by a qualified service person. The room  
heater should be inspected before use and at least annually by a professional  
service person. More frequent cleaning may be required due to excessive lint from  
carpeting and other materials. It is imperative that the control compartments,  
burners and circulating air passageways of the heater be kept clean.  
CONNECTING TO GAS SUPPLY :  
WARNING : Never connect an unregulated gas line to the heater.  
An installer supplied, design certified gas pressure regulator must be installed to  
bring the gas supply pressure down to 14 inches of water column.  
IMPORTANT : Check gas line pressure before connecting heater to gas line.  
Gas line pressure must not be higher than 14 inches of water. If gas line pressure is  
higher, heater gas pressure regulator damage could occur.  
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 large  
enough diameter to allow proper gas volume to heater. If pipe is too small, undue  
pressure loss will occur.  
Typical Gas Supply Pipe Diameters  
10,000 BTU/HR Model 3/8" or greater  
20,000 BTU/HR Model 3/8" or greater  
30,000 BTU/HR Model 3/8" or greater  
CAUTION:  
Use pipe joint sealant that is resistant to liquefied petroleum gases.  
Install sediment trap in supply line as shown in Figure 8 Gas Connection. Locate  
sediment trap where it is within reach for cleaning. 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.  
Page 9  
 
Figure 8  
LEAK CHECKING:  
GENERAL : Although all gas connections on the heater are leak tested at the  
factory prior to shipment, a complete gas tightness check must be performed at the  
installation site due to possible mishandling in shipment, or excessive pressure  
unknowingly being applied to the appliance. Periodically check the whole system for  
leaks, or immediately check if the smell of gas is detected.  
BEFORE TESTING  
Do not smoke while leak testing. Extinguish all open flames.  
Make a soap solution of one part liquid detergent and one part water. You will need  
a spray bottle, brush or a piece of rag to apply the solution to the fittings.  
For LP units, check with a full cylinder.  
CAUTION : NEVER LEAK TEST WITH AN OPEN FLAME  
PRESSURE TESTING-GAS SUPPLY PIPING SYSTEM  
The appliance and its individual shutoff valve must be disconnected from the gas  
supply piping system during any pressure testing of that system at test pressures  
in excess of 1/2 psig.  
The appliance must be isolated from the gas supply piping system by closing its  
individual manual shutoff valve during any pressure testing of the gas supply  
piping system at test pressures equal to less than 1/2 psig.  
Page 10  
 
LEAK TESTING HEATER GAS CONNECTIONS:  
1. Open manual shutoff valve.  
2. Open main gas valve located near gas meter.  
3. Make sure control knob of heater is in the OFF position.  
4. Check all joints from manual gas valve up to gas control and including the  
manifold assembly. Apply the soap solution around the connections, valve and  
tubing. Soap bubbles will appear where a leak is present.  
5. If a leak is present, immediately turn off gas supply, tighten any leaky fittings, turn  
gas on and recheck.  
6. To check burner and safety valve, the burner must be lit (See operating  
Instructions.). Check the rest of the connections for leaks.  
7. Turn off the heater (See Instructions.).  
NOTE:  
Never use an open flame to check for a leak. Apply a mixture of liquid soap  
and water to all joints. Bubbles forming show a leak. Correct all leaks at  
once.  
OPERATING HEATER:  
WARNING:  
Before lighting, smell all around the appliance area for gas. Be sure to smell  
next to the floor because some gas is heavier than air and will settle on the  
floor. If you smell gas, follow the Safety Instructions on the front page and  
under Section I.  
Page 11  
 
Use only your hand to push in or turn the gas control knob. Never use tools.  
If the knob will not push in or turn by hand, don’t try to repair it, call qualified  
service technician or gas supplier. Force or attempted repair may result in a fire  
or explosion.  
Do not use this appliance if any part has been under water. Immediately call  
a qualified service technician to inspect the appliance and replace any part of  
the control system and any gas control component which has been under water.  
LIGHTING INSTRUCTIONS:  
1. Read the aforementioned safety information.  
2. Make sure manual shutoff valve is fully open.  
3. Push in gas control knob slightly and turn clockwise  
position.  
to the OFF  
4. Wait five minutes to clear any gas. Then smell for gas, including near the  
floor. If you smell gas, follow the safety information on the front page. If you  
don’t smell gas, go to the next step.  
5. Push in and turn gas control knob counterclockwise  
to IGN PILOT.  
This will light the pilot. The pilot can be seen through the glass panel. If  
needed, keep pressing and turning the control knob counterclockwise until the  
pilot lights.  
NOTE : If pilot does not stay lit, refer to troubleshooting Section XII. Also,  
contact a qualified service person, or gas supplier for repairs. Until repairs are  
made, light pilot with match. To light pilot with match, see the following manual  
lighting instructions.  
6. Keep control knob pressed in for 30 seconds after lighting pilot. After 30  
seconds, release control knob.  
Page 12  
 
7. If pilot goes out, repeat steps 3 through 6. This heater has a safety interlock  
system. Wait one(1) minute before relighting pilot.  
8. When the pilot is lit, turn gas control knob to ON. Turn thermostat control  
knob counterclockwise  
to desired heating level. The main burner  
should light. Set control knob to heat level between 7 and 1.  
CAUTION : Do not try to adjust heating levels by using the manual shutoff valve.  
TURNING OFF GAS TO HEATER  
Shutting Off Heater  
Turn control knob clockwise  
to the OFF position.  
Shutting Off Burner Only (Pilot stays lit)  
Turn control knob clockwise  
to the PILOT position.  
THERMOSTAT CONTROL OPERATION  
The thermostat used on these models differs from standard thermostats. Standard  
thermostats simply turn the burner on and off. The thermostat used on this heater  
senses the room temperature. The thermostat adjusts the amount of gas flow to the  
burner. This increases or decreases the burner flame height/input rating. At times the  
room may exceed the set temperature.  
If so, the burner will shut off. The burner will cycle back on when room temperature  
drops below the set temperature.  
Page 13  
 
Note : The thermostat sensing bulb measures the temperature of air near the  
heater cabinet. This may not always agree with room temperature (depending  
on housing construction, installation location, room size etc.). Frequent use of  
your heater will let you determine your own comfort levels.  
MANUAL LIGHTING INSTRUCTIONS  
1. Remove lower front panel.  
2. Follow steps 1 through 4 as stated under Lighting Instructions.  
3. Press and turn control knob counterclockwise  
to the PILOT position.  
4. With control knob pressed in, strike match, hold match to pilot until pilot lights.  
5. Keep control knob pressed in for 30 seconds after lighting pilot. After 30  
seconds, release control knob.  
6. Replace lower front panel.  
INSPECTING MAIN BURNER AND PILOT BURNER  
Pilot Flame Pattern  
The following figures show a correct and incorrect flame patterns. The incorrect  
flame is not touching the thermocouple. This will cause a nuisance shut down.  
CORRECT  
INCORRECT  
If pilot flame pattern is incorrect as shown above, turn heater off and refer to  
troubleshooting guide.  
Burner Flame Pattern  
Correct and incorrect flame patterns are shown as below. The incorrect burner  
flame pattern shows yellow tipping of the flame.  
Page 14  
 
WARNING :  
If yellow tipping occurs, your heater could produce increased levels of carbon  
monoxide. If burner flame pattern shows yellow tipping, follow instructions at  
bottom of this page.  
NOTICE : Do not mistake orange flames with yellow tipping. Dirt or other  
particles etc. enter the heater and cause transient patches of orange flame.  
CARE AND MAINTENANCE :  
Dust, list or debris may affect heater performance. The heater draws air into it during normal  
operation. In the process dust, lint or debris will be drawn into the heater and spider webs can  
build up during off season. Keep burner, gas control and combustion and circulating air  
passageways clean. Inspect or have these areas inspected annually at the beginning of the  
heating season by a qualified service person. Room heater may require frequent cleaning due  
to excessive lint or debris depending upon the surroundings.  
BEFORE CLEANING - Ensure the gas supply is off and the gas control knob  
is in the off position. Make sure the heater is cool.  
WARNING:DANGER OF BODILY INJURY  
If fan assembly accessory is used, turn off power supply at disconnect  
switch or service panel before removing any access panels from heater.  
BURNER AND ODS PILOT CLEANING - Clean the exterior with soft bristle  
brush, vacuum cleaner pressurized air. Never use a wooden toothpick as it may  
break off and clog the ODS pilot or main burner port.  
Use a flashlight to inspect the main burner inlet to ensure it is not blocked. If  
obstruction can be seen, use a metal wire coat hanger that has been straightened  
out.  
In order to clean ODS pilot orifice, use pressurized air to blow dust out.  
Sometimes blowing air backwards through the pilot will get rid of the  
accumulated dirt. If that does not work, blow out any dust through primary air  
openings of pilot assemblies(Daemyeong has two openings; one beneath the  
bimetal strip and the second one opposite from bimetal strip. Use the one wide  
open, do not try to lift the bimetal.).  
AIR PASSAGEWAYS AND UNIT CASINGS - Use a vacuum cleaner or  
pressurized air to clean the combustion and circulating air passageways and  
dampened cloth to clean the cabinet/casing.  
Page 15  
 
TROUBLESHOOTING:  
PROBLEM  
POSSIBLE CAUSE  
WHAT TO DO  
When control knob  
is pressed in and  
1. Ignitor electrode posi-  
tioned wrong.  
1. Replace Ignitor  
electrode.  
turned counterclockwise 2. Ignitor electrode broken.  
2. Replace electrode.  
3. Free ignitor cable, if  
damaged replace it.  
to ignition, there is no  
spark at ODS pilot.  
3. Ignitor cable pinched or  
broken.  
4. Ignitor cable not connected 4. Connect cable to  
to ignitor electrode.  
electrode.  
When control knob  
is pressed in and  
turned counterclock-  
wise to ignition/pilot  
position, there is spark  
but no ignition.  
1. Gas supply turned off.  
2. Control knob not in pilot  
position.  
3. Control knob not pressed  
in while in pilot position.  
4. ODS pilot is clogged.  
5. Air in gas Lines.  
1. Turn on gas supply.  
2. Turn control knob to  
pilot position.  
3. Press in control while  
in pilot position.  
4. Call a qualified person  
5. Purge gas lines and  
repeat ignition  
operation.  
ODS pilot lights but  
flame goes out when  
control knob is  
released.  
1. Control knob not pressed  
long enough.  
1. After ODS pilot lights,  
keep control knob  
pressed in approx. 30  
sec.  
2. Safety interlock is triggered. 2. Wait a minute, repeat  
ignition operation.  
3. Pilot flame not touching  
the thermocouple. Problem  
could be result of one or  
both of the following:  
3. Contact your gas  
company or gas  
supplier or qualified  
service person.  
Partially clogged ODS pilot  
orifice.  
Low gas pressure.  
4. Thermocouple damaged.  
5. Thermocouple connection  
loose at gas control valve.  
4. Replace thermocouple.  
5. Hand tight until snug  
then tighten 1/4 turn  
with a wrench.  
6. Gas control valve damaged. 6. Replace gas control.  
Burner does not light  
after ODS pilot is lit  
1. Burner orifice clogged. 1. Clean burner orifice.  
2. Gas supply pressure is very 2. Contact the Gas Co.  
low.  
Delayed ignition  
1. Main burner carry over ports 1. Clean main burner ports.  
clogged.  
2. Gas supply pressure is very 2. Call your gas supplier.  
low.  
Page 16  
 
PROBLEM  
POSSIBLE CAUSE  
WHAT TO DO  
Burner backfiring  
during operation  
1. Burner orifice is clogged.  
2. Burner ports damaged.  
1. Clean burner orifice.  
2. Replace burner.  
Yellow flames during  
burner operation  
1. Not enough air  
1. Check air passageways  
and burner for dirt and  
debris(see care &  
maintenance.).  
Slight smoke and odor  
during initial operation  
1. Residues from  
1. Will stop after a few  
hours of operation.  
manufacturing processes.  
Heater produces a  
whistling noise when  
burner is lit.  
1. Air passageways blocked. 1. Check minimum  
installation clearances  
and air passageways for  
debris.  
2. Air in gas line  
2. Operate burner until the  
air is completely purged.  
Heater produces a  
clicking noise just  
after burner is lit or  
turned off.  
1. Metal expanding and  
contracting, respectively.  
1. This is common with  
heaters. If noise is  
excessive, contact a  
qualified person.  
Gas odor even when  
control knob is in OFF  
position.  
1. Gas leaks. See front page  
Warnings.  
2. Gas control defective  
1. Locate and correct leaks  
immediately.  
2. Replace gas control  
Gas odor during  
combustion  
1. Foreign matter in gas or on 1. Check gas passage way  
burner ports. and burner.  
2. Heater burning vapors from 2. Ventilate room, stop  
paint, impurities in air.  
storing and using odor  
causing products near  
the heater.  
3. Gas leaks. See front page  
Warnings.  
3. Locate and correct  
leaks immediately.  
Heater shuts off  
on ODS  
1. Not enough fresh air is  
available.  
1. Open window.  
2. Low gas pressure  
2. Contact your gas  
company.  
3. ODS pilot partially clogged. 3. Clean the pilot.  
Page 17  
 
SPECIFICATIONS:  
KW(N307,P308)  
KW(N207,P208)  
KW(N105,P106)  
MODELS  
N307  
P308  
N207  
P208  
N105  
P106  
INPUT RATING  
(BTU/HR,Variable)  
30,000/15,000  
30,000/15,000  
20,000/10,000  
NATURAL  
20,000/10,000  
10,000/5,000  
NATURAL  
10,000/5,000  
TYPE OF GAS  
NATURAL  
LP GASES  
LP GASES  
LP GASES  
REGULATOR  
PRESSURE  
SETTING  
3.0W.C.  
8.0W.C.  
3.0W.C.  
8.0W.C.  
3.0W.C.  
8.0W.C.  
INLET GAS SUPPLY  
PRESSURE:  
10.5W.C.  
4.0W.C.  
14.0W.C.  
11.0W.C.  
10.5W.C.  
4.0W.C.  
14.0W.C.  
11.0W.C.  
10.5W.C.  
4.0W.C.  
14.0W.C.  
11.0W.C.  
MAXIMUM  
MINIMUM  
SIZE OF HEATER  
WEIGHT  
23.8×25.7×8″  
30LBS  
23.8×18.3×8″  
22LBS  
23.8×14.6×8″  
18LBS  
NOTE : For altitudes above 2,000 feet, reduce the input rating(BTU/HR)4% for  
each 1,000 feet above sea level.  
"DO NOT USE THIS HEATER AT AN ELEVATION ABOVE 4,500 FEET"  
OPTIONAL ACCESSORIES : Purchase these heater accessories from your local  
distributors/dealers. If they can not furnish these items, call World Marketing of America, Inc.  
@1-814-643-2299 for more detailed information.  
FLOOR MOUNTING BASE : No. 20-5231 may be used for MODEL(KWN307, KWP308).  
FLOOR MOUNTING BASE : No. 20-5221 may be used for MODEL(KWN207, KWP208).  
FLOOR MOUNTING BASE : No. 20-5211 may be used for MODEL(KWN105, KWP106).  
Page 18  
 
PARTS LIST  
Page 19  
 
PARTS LIST  
ITEM  
NO. DESCRIPTION  
PART NO. FOR  
KW(N207, P208)  
KW(N307, P308)  
KW(N105, P106)  
REF-2A0073  
1.  
2.  
3.  
4.  
5.  
6.  
7.  
8.  
9.  
10.  
Unit Casing Assembly  
Main Burner Assembly  
Firebox Assembly  
Glass Panel  
REF-2A0054  
REF-2A0055  
20-0131(2A0079)  
20-0120(2A0080) 20-0111(2A0133)  
20-0139(3A1033a) 20-0139(3A1033b) 20-0119(1A0072)  
20-0530(3A1018a) 20-0520(3A1018b) 20-0510(3A0170)  
20-8031(3A1011a) 20-8021(3A1011b) 20-8015(3A0174)  
20-8032(3A1012a) 20-8022(3A1012b) 20-8016(3A0173)  
Glass Holder-U  
Glass Holder-L  
Grille Guard  
20-5430(1A0040)  
REF-1A1013  
20-5420(1A0041) 20-5400(1A0071)  
Lower Panel  
REF-1A1023  
REF-3A1025  
20-1027/20-1028  
(GV30 20N3/L8)  
REF-2A0094  
REF-1A0027  
20-9951/20-9950  
(DR40T2KN/L)  
REF-  
REF-1A0070  
REF-3A1025  
20-1041/20-1042  
(GV30 10N3/L8)  
REF-2A0094  
REF-1A0135  
20-9941/20-9940  
(DR40T2PN/L)  
REF-  
Valve Bracket  
REF-3A1025  
Combination Gas Control  
20-1037/20-1038  
(GV30 30N3/L8)  
REF-2A0094  
11.  
12.  
13.  
Burner Support-L(R)  
Cover Heat  
REF-1A0026  
Pressure Regulator(3/8")[NG:3",LP:8"] 20-9957/20-9958  
(DR40T3KN/L)  
14.  
15.  
16.  
17.  
18.  
19.  
20.  
21.  
22.  
23.  
24.  
Inlet Tubing(3/8") Assembly  
Outlet Tubing-(5/16") Assembly  
Nozzle Holder  
REF-  
REF-  
REF-  
REF-  
REF-4A1027  
REF-4A1028  
20-4023/20-4022  
20-9801(3A1010)  
REF-4A1020  
REF-4A1021  
REF-4A1022  
REF-  
REF-4A1027  
REF-4A1028  
20-4021/20-4020  
REF-4A1027  
REF-4A1028  
REF/REF  
Nozzle Holder Nut  
Nozzle  
Wall Mounting Bracket-L(R)  
Connector-A  
20-9801(3A1010) 20-9801(3A1010)  
REF-4A1020  
REF-4A1021  
REF-4A1022  
REF-  
REF-4A1020  
REF-4A1021  
REF-4A1022  
REF-  
Connector-B  
Connector-C  
ODS Pilot Tubing(3/16") Assembly  
ODS Pilot Assembly  
(Daemyeong Korea)  
20-3097/20-3098  
(DS98JN/L02)  
20-3097/20-3098  
(DS98JN/L02)  
20-3097/20-3098  
(DS98JN/L02)  
24-1. Electrode  
24-2. Thermocouple  
25.  
26.  
27.  
28.  
ODS Mounting Screw  
20-9605#30  
20-9604#31  
20-9607#32  
20-9606#29  
20-9605#30  
20-9604#31  
20-9607#32  
20-9606#29  
20-9605#30  
20-9604#31  
20-9607#32  
20-9606#29  
Regulator Fix Screw  
Wall Mounting Screw  
Screw  
Page 20  
 

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