Desa Comfort Glow CGR30PT Quick start guide

VENT-FREE PROPANE GAS HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
0 00010
Models: CGR18PT and CGR30PT
WARNING: If the_information in this manual _s not followed exactly, afire 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.
This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is|
|
installed. Prov sions for adequate combust on and ventilation air must be provided. J
This appliance may be installed in an aftermarket* manufactured (mobile) home, where not
prohibited by state or local codes.
"Affermarket: 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. Savethis manualfor future reference.

CONTENTS
SAFETY,
INFORMATION
SECTION PAGF
Safety Information ....................................................................... 2
Product Identification .................................................................. 4
Local Codes ................................................................................ 4
Unpacking ................................................................................... 4
Product Features .......................................................................... 4
Air For Combustion And Ventilation ............................................ 5
Installing To Wall ........................................................................ 9
Installing Onto The Floor ............................................................. 12
Connecting To Gas Supply .......................................................... 13
Checking Gas Connections ........................................................... 14
Operating H_ater And Lighting Instructions ................................. 16
Inspecting Burner ........................................................................ 18
Service Hints ............................................................................... 19
Clean_g And Maintenance .......................................................... 20
Troubleshooting ........................................................................... 20
Technical Service ........................................................................ 24
Specifications .............................................................................. 24
Accessory .................................................................................... 24
lllustrated Parts Breakdown and Parts List ................................... 25
Warranty and Repair Service.....: ................................................. Back Cover
WARNINGS
IMPORTANT: Read this owner'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.
I _ DANGER ]
Carbon monoxide poisoning may lead to deathl
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 c_rbon monoxide than others; These include
pregnant women, persons with heart or lung disease or anemia, those under the
influence of alcohol, and those at high altitudes.
Propane/LP Gas: Propane/LP gas is odorless.An odor-makingagent is added
to pmpane/l-,P gas. The odor helps you detect apmpane/LP gasleak. However,
the odor addod to propane/LP gas can fade. Propane/LP gas may be presenteven
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 heater.
I_ Safety Information Continues on next page

SAFETY
INFORMATION
Continued
WARNINGS Continued
WARNING: Any change to this beater or its controls can be dangerous.
1. Use only propane/LP gas. Do not convert heater to use different fuel type.
2. Do not place propane supply tank(s) inside any structure. Locate propane/LP
supply tank(s) outdoors.
3. Tiffs heater shall not be installed in a bedroom or bathroom.
4. If you smellgas
• 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
• If you cannot reach your gas supplier, caLl the fire department
5. Never install the heater
• in a recreational vehicle
., where curtains, fumiture, clothing, or other flammable objects are less
than 36 inches from the front, top, or sides of the heater
• as a fireplace insert
•in high traffic areas
• in windy or drafty areas
6. This heater needs fresh, outside air 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 is available. See Air for
Combustion and Ventilation, pages 5 through 8.
7. If heater shuts off, do not religfit until you provide fresh, outside air. If heater
keeps shutting off, have it serviced.
8. Do not run heater
• where flamrnable liquids or vapors are used or stored
•under dusty conditions
9. Never place any objects on the heater.
10. Surface of heater becomes very hot when running heater. Keep children and
adults away from hot surface to avoid bums or clothing ignition. Heater will
remain hot for a time after shut-down. Allow surface to cool before touching.
11. Carefully supervise young children when they are in same room with heater.
12. Make sure griU guard is in place before running heater.
13. 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.
14. Turn off heater and let cool before servicing. Only a qualified service person
should service and repair heater. "'
i5. Operating heater above elevations of 4,500 feet may cause pilot outage.

PRODUCT
IDENTIFICATION
LOCAL CODES
UNPACKING
PRODUCT
FEATURES
|
Contml Knob
101111111111 Piozo, ,o
/-_Pront Panel
Burner (Infrared Plaques)
Grill Guard
Safety Pilot System
Figure t. Vent-Free Propane/I.P Gas Thermostatic Heater
Install and use heater with care. Follow all local codes. In the absence of local
codes, use the latest edition of National Fuel Gas Code ANSI Z223.1, also known
as NFPA 54".
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
1. Remove heater from cal'ton.
2. Remove all protective packaging applied to heater for shipment.
3. Check heater for any shipping damage. If heater is damaged, promptly inform
dealer where you bought heater.
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 there is not enough fresh air.
Plezo Ignition System
This heater has a piezo ignitor. This system requires no matches, batteries, or other
sources to light heater.
Thermostatic Heat Control
This heater has a thermostat sensing bulb and thermostat control. This results in
the greatest heater comfort. This can also result in lower gas bills.

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.
Today's homes are built more energy efficient than ever. New materials, increased
insulauon, and new construction methods help reduCe heat loss in homes. Home
owners weather strip and caulk around windows and doors to keep the cold air out
and the warm air in. During heating months, home owners want their homes as
airtight as possible.
While it is good to make your home energy efficient, your home needs to breathe.
Fresh air muSt enter your home. All fue!-bummg appliances need fresh air for proper
combustion and ventilation•
Exhaustfans, fireplaces, clothes dryers, and fuel burning appliances draw air from
the house to operate. You must provide adequate fresh air for these appliances, This
will iusure proper venting of vented fuel-burning appliances.
PROVIDING ADEQUATE VENTILATION
The following is exerpted from National Fuel Gas Code, NFPA 54/ANSI Z223.1,
• w .... n
Section 5.3, Azr for Combustion and Ventilation .
All spaces in homes fall into one of the three following ventilation classifications:
1. Unusually Tight Contruction; 2. Unconfined Space; 3. Confined Space.
The information on pages 5 through 8 will help you classify your spa_:eand provide
adequate ventilation.
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 fight cousWactiou,
you must provide additional fresh air.
Unusually tight construction is defined as construction where:
a. walls and ceilings exposed to the outside atmosphere have a
continuous water vapor retarder with a rating of one perm or less
with openings gasketed or sealed and
b. weather stripping has been added on openahle windows and
doors and
c. 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.
If your home meets all of the three criteria above, you must provide
additional fresh air. See Ventilation Air From Outdoors, page 8. If your
home does not meet all of the three criteria above, continue reading.
Confined Space and Unconfined Space
This heater shall not he iustalled in a toni'meal space unless provisions _e provided for
adequate ct)ulbustion mid ventilation air.
The National Fuel Gas Code delines a conlincxl space its a space whose volume is less
than 50 cubic feet per 1,000 Btu per hour (4.8 m3 per kw) ol lilt2 aggregate input rating
Continued !

AIR
FOR
COMBUSTION
AND
VENTILATION
Continued
WARNING
If the area in which the heater may be operated is smaller
than that defined as an unconfined space, provide
adequate combustion and ventilation air by one of the
methods described in the National Fuel Gas Code, ANSI
Z223.1, 1992 Section 5.3
VENTILATION AIR
Ventilation Air From Inside Building
This fresh air would come from an adjoining unconfined space. When ventilating to an
adjoining uncon fined space, you must prbvide two permanent openings: one _¢ithin 12" of the
ceiling and one within 12" of the floor on the wall connecting the two spaces (see options l and
2, Figure 2). You can also remove door into adjoining room (see option 3, Figure 2).
Follow the National Fuel Gas Code, NFPA 54/ANSI Z223.1, Section 5.3, "Air
for Combustion and Ventilation" for required size of ventilation grills or ducts.
•WARNING
Rework worksheet, adding thespace of the adjoining unconfined
space. The combined spaces must have enough fresh air to supply all
appliances in both spaces.
Ventilation
Grills
intoAdjoining
Room,
Option 1\
A
12"1 /
Ventilation Grills
Into Adjoining Room,
Option 2
/
Figure 2 -Ventilation Air from Inside Building
Continued

AIR
FOR
COMBUSTION
AND
VENTILATION
Continued
m
VENTILATION AIR (Continued)
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation grills or ductS. You must provide two
•permanent openings: one within 12" of the ceiling and one within 12" of the floor.
Connect these items directly to the outdoors or spaces open to the outdoors. These spaces
include attics and crawl spaces. Follow the National Fuel Gas Code NFPA 54/ANSI
Z223.1. 1.992 $ecdort 5.3. Air for Combustion and Venlilqdon for required si.ze of
ventilation grills or ducts.
IMPORTANT: Do not provide openings for inlet or outlet air into attic if attic has a
thermostat.-conu'olled power vent. Heated air entering the attic will activate the power
venL
Outlet
Air
Inlet
Air
To Attic
To
Crawl
Space
I
I
I _ Inlet Air _ CrawlVentilatedspaceBE
Figure 3 - Ventilation Air from Outdoors

INSTALLING
TO WALL NOTICE t
A qualified service person must install heater. Follow all local cedes.
CHECK GAS TYPE
Use only propane/LP gas. If your gas supply is not propane/LP, do not install
heater. Call dealer where you bought heater for proper type heater.
INSTALLATION ITEMS
Before installing heater, make sure you have the items listed below.
• external regulator (supplied by • manual shutoff valve * • sediment trap
installer, see page 13) • ground joint union • tee joint
• piping (check local codes) • test gauge connection * • pipe wrench
• sealant (resistant to propane gas) (see page 14)
* An AGA design certified manual shutoff valve with I/8" NPT tap is an acceptable
alternative to test gauge connection. Purchase the optional AGA design certified
manual shutoff valve from your dealer. See Accessory, page 24.
LOCATING HEATER
WARNING t
Maintain the minimum clearances shown in Figure 4 (page 10). If you
can, provide greater clearances from floor, ceiling, and joining wall.
WARNING
Never install the heater
•in a bedroom or bathroom
•in arecreational vehicle
•where curtains, furniture, clothin g, or other flammable objects are
less than 36 Inches from the front, top, or sides of the heater
•as a fireplace insert
•in high traffic areas
•in windy or drafty areas
CAUTION
If you install the heater in a home garage
• heater pilot and burner must be at least 18 inches above floor
• locate heater where moving vehicle will not hit it
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 in the air
(such as tobacco smoke) exist, may discolor walls.
IMPORTANT.""Vent-free heaters add moisture to the air. Although this is beneficial, in-
stalling heater in rooms without enough ventilation air may cause mildew to form from
to9 much moisture, See AirforCornbu.vtionandVentilation, pages5_l_agh8. Continued

INSTALLING
TO WALL
Continued
CLEARANCES
Provide adequate clearance around air openings.
Provide for an adequate combustion and ventilation air supply.
Accessibility provisions must be provided for servicing.
WALL MOUNT
.The heater must be installed no less than 2" above the top surface of carpet_ng,
file, or other floor covering. When facingthe front of the heater, clearance from
combustibles must he a minimum of 13" from the left, 13" from the fight, 36"
from the top, and 2" from the bottom. The opening for combustion air located at
the bottom of the heater must not be obstructed. It must he free of obstacles.
Right side
din FROM WALLS
/
Front
Left side
FLOOR
HEATER
Figure 4- Mounting Clearances
For convenience and efficiency, install heater
where there is easy access for operation, inspection, and service
• in coldest part of room
THERMOSTAT SENSING BULB
The thermostat sensing bulb has already been placed at the 1",ottomback of the
heater. It is not necessary to change its location for proper operation.
m

INSTALLING
TO WALL
Continued
L
WARNING
Maintain minimum clearances shown in Figure 4. If you can,
provide greater clearances from floor and joining wall.
INSTALLING HEATER TO A WALL
1. Drill two 5/16" holes according to the dimension L shown in figure 5. Insert
two plastic wall anchors into holes. Tighten mounting screws into anchors.
Leave 1/8" space between screw head and anchor.
2. Hang the heater on the two mounting screws. Insert "U" hook into bottom of
cabinet. Mark anchor location through screw hole in "U" hook.
3. Remove heater from wall. Drill another 5/16" hole at marked location. Insert
last plastic wall anchor into hole.
4. Hang heater on wall and place "U" hook in place. Insert mounting screw
through "U" hook and into wall anchor. Tighten screw firmly.
5. Connect gas line to heater.
Note: AII the screws, anchors andhoo_.am furnished with the unit.
Mod. CGRI8PT: L= (15 114") 388 mm.
Mod. CGR30frI': L= (22 13/t6")580 mm.
I
m'_n._5
\
"U"HOOK
Left
E
E
E
Front
Opening for combustion air
\
BACK OF HEATER
Manual Shutoff Valve
Figure 5 - Installing heater to a wall

Itl
INSTALLING
ONTO THE
FLOOR
INSTALLING HEATER ONTO THE FLOOR
The heater includes plastic legs for its direct installation onto the floor. To assure
a stability of the heater, the mounting screws described in previous page can be
used to avoid side movements.
As shown in Figure 6, the gas can be placed between the fieater and the floor.
If this appliance is installed directly on carpeting, light-colored tile or other
combustible materia!, other than wood flooring, the appliance shall be installed
on a metal or a wood panel extending the full width and depth of the appliance.
This protective panel is not required a,s a fire-proof base. The protection is for
rugs that are extremely thick and light-colored tile which may discolor.
FIGURE 6 - Heater directly rested on the floor.
"-4

CONNECTING
TO GAS
SUPPLY
NOTICE
A qualified service person must connect heater to gas supply.
Follow all local codes.
CAUTION
Never connect heater directly to the propane/LP supply. This
heater requires an external regulator (not supplied). Install the
external regulator between the heater and propane supply.
Propane/LP
Supply Tank
ExtemalRegulator
The installer must supply an external regulator. The external regulator will reduce
incoming gas pressure. You must i'educe incoming gas pressure to between 11 and
14 inches of water. If you do not reduce incoming gas pressure, heater regulator
damage could occur. Install external regulator with the vent pointing down as
shown in Figure 7. Pointing the vent down protects it from freezing rain or sleet.
Vent-Pointing
Down
Figure 7 -External Regulator With Vent Pointing Down
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 loss of pressure will occur.
Typical Pipe Diameters
CGRIgPT: 3/8" or greater
CGR30PT: I/'2" or greater
Installation must include a manual 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 heater (see Gas Connection, page 14).
Apply pipe joint sealant lightly to male threads. This will prevent excess sealant
from going into pipe. Excess sealant in pipe could result in clogged heater valves.
CAUTION
Use pipe joint sealant that is resistant to liquid petroleum (LP) gas.
Install sediment trap in supply line as shown in Gas Conneclinn, page 14. l.,oc.ate
ediment trap where it is within reach for cle_tning. Locate sediment trap where
trapped matier is not likely to freeze, A sediment trap trapsmoistureand
contaminantS. This keeps them from going into heater controls. If sediment trap
is not installed or is instal.led wrong, heater may not run propedy. lit

CONNECTING
TO GAS
SUPPLY
Continued
CHECKING
GAS
CONNECTIONS
N
IMPORTANT: Hold pressure regulator with wrench when connectingit to gas
piping and/or fittings.
Pressure Reg Gas Connection
Heater
Cabinet
coG_a_ien__. Tee Joint_
Plug Tap
Sediment
Trap
NPT
Pipe Nipple
_round Joint
Manual Shutoff Valve "
From
(1 1"W.C. to 14" W.C. Pressure)
t3" Minimum
* An AGA design certified manual slautoffvalvewith 1/8'" NPT tap is an
acceptable alternative to test gauge connection. Purchase the optional AGA
design certified manual shutoff valve from your dealer. See Accessory, page 24.
Note: When installing heater onto the floor, a male inlet elbow and a short nut
will substitute for the ground joint union so that the manual shutoff valve and the
sediment trap can be installed upstream without interfedng with floor.
IWARNING
Test all gas piping and connections for leaks after installing or
servicing. Correct all leaks at once.
WARNING
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.
CAUTION
Make sure external regulator has been installed between propane/LP
supply and heater. See guidelines Under Connecting to Gas Sup-
ply, page 13.
PRESSURE TESTING GAS SUPPLY PIPING SYSTEM
Test Pressures In Excess Of 1/2 PSIG
1. Disconnect heater and its individual manual shutoff valve from gas supply
piping system. Pressures in excess of 1/2 PSIG will damage heater regulator.
2. Cap off open end of gas pipe where manual shutoff valve was connected.

CHECKING
GAS
CONNECTIONS
Contmued
3, Pressurize supply piping system by either using compressed air or
opening propane/LP supply tank valve.
4. Check all joints of gas supply piping system. Apply mixture of liquid soap
and water to gas joints, Bubbles forming show a leak.
5. Correct all leaks at once.
Test Pressures Equal To or Less Than 1/2 PSIG
l. Close manual shutoff valve (see Figure 8).
2. Pressurize supply piping system by either using compressed air or opening
propane/LP supply tank valve.
3. Check all joints from propane supply tank to manual shutoff valve (see
Figure 9). Apply mixture of liquid soap and water to gas joints. Bubbles
forming show a leak.
4. Correct all leaks at once.
PRESSURE TESTING HEATER GAS CONNECTIONS
1. Open manual shutoffvalve (see Figure 8).
2. "Open propane supply tank valve.
3. Make sum control knob of heater is in the OFF position.
4. Cl_ck all Dints from manual shutoff valve to control valve (see Figure 9).
Apply mixture of liquid soap and water to gas joints. Bubbles fomaing show
a leak.
5. Correct all leaks at once.
6. Light healer (see Operating Heater, page 16). Checkthe restofthe internal
joints for leaks.
7. Turn off healer (see To Turn OffGas to Appliance, page _a)
Manual ___ Open
Shutoff
Valve z-
-? Closed
Figure 8 - Manual Shutoff Valve
Propane/LP
Supply Tank
Control Valve Location
IIIIIIIIIIIIIIIIIIIIIIIIIII
_IIIIII
o. o • __
4 _{-_i
._o • i
II
_Manual
Shutoff
Valve
Figure 9 - Checking Gas Joints

OPERATING
HEATER
AND LIGHTING
INSTRUCTIONS
[] FOR YOUR SAFETY READ BEFORE LIGHTING !-']
WARNING
If you do not follow these instructions exactly, a fire or
explosion may result causing property damage, personal
injury or loss of life.
A. This appliance has apilot which must he lighted by hand. When lighting
the pilot, follow these instructions exactly.
B. 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.
WHAT TO DO IF YOU SMELL GAS
•Do'not try to light any appliance.
• Do not touch any electric 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.
C. 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 a qualified service technician or gas supplier. Force or attempted
repair may result in a fire or explosion.
Do Do not use this appliance if any part has been under water. Immediately
call a qualified service technician to inspect the appliance and to replace
any part of the control system and any gas control which has been under
water.
LIGHTING INSTRUCTIONS
1. STOPI Read the safety information above.
2. Make sure manual shutoff valve is fully open.
3. Turn thermostat control knob clockwise (
/,
GAS CONTROL KNOB _,//'_
SHOWN IN _OFF" -(_0F
POSITION
to the "OFF" position.
4. Wait ten (10) minutes to clear any gas. Then smell for gas, including
near the floor. If you smell gas, STOPI Follow "B" in the safety
information above. If you don't smell gas, go to the next step.
5. Find pilot attached to the main burner which is located at bottom of
combustion chamber.
6. Turn knob on gas control counterclockwise
(_) to "Pilot" position.

OPERATING
HEATER
AND LIGHTING
INSTRUCTIONS
Continued
7. Depress and hold down the thermostat control knob,
While holding the control knob down, push the piezo ignitor button
repeatedly to light the pilot. Continue to hold the control knob in for
about 30 seconds after the pilot is lit. Release knob and it will pop
back up. Pilot should remain lit. If it goes out, repeat steps 3 through
7.
•If knob doe_; not pop up when released, stop and immediately call
your service technician or gas supplier.
• If the pilot will not stay lit after several tries, turn the gas control
knob to the "OFF" position and call your service technician or gas
supplier.
8. Attentionl Gas control has an INTERLOCK device. When the pilot is
initially !it and the safety magnet is energized (pilot stays "ON") the
INTERLOCK device becomes operative. If the gas control is turned to
the "OFF" position or gas flow to the appliance is shut off, the pilot
cannot be relighted until the safety magnet is de-energized
(approximately 60 seconds). There will be an audible "click" when the
safety magnet in the gas control is de-energized. Pilot can now be
elighted. Repeat steps 3 through 7.
9. Turn gas control Knob counterclockwise ( _) to the desired heating
level from "LO" to "HI".
ELECTROOE P_LOT
_._BURNER
LTHERMOCOUPLE
THERMOSTAT OPERATION
When the hydraulic thermostat bulb "senses" the need for heat, the unit cycles
"ON" at a full input rate. The unit remains at this full input rate until the
hydraulic thermostat bulb is "satisfied". When this happens, the burner will shut
off with the pilot flame remaining lit.
Note: The burner modulates between "ON" and the pilot flame. When the
CGR 18PT is "ON" all three ceramic plaques will "glow". There will never be a
time when only one or two ceramic plaques are "glowing".
The "LO" and "HI" setting I_as temperature range of approximately 55-_F to
90_ F, respectively. This is the temperature at the hydraulic thermostat bulb, not
the room temperature. The owner is advised to determine the particular heat
setting that is desired for comfort, a.s heating requirements are different for every
owner.
Attention: If no heat is desired, turn the gas control knob to the "Pilot" position
(not to the "LO" position). im

OPERATING
HEATER
AND LIGHTING
INSTRUCTIONS
Continued
INSPECTING
BURNER
!
TO TURN OFF GAS TO APPLIANCE
SHUI-rlNG OFF HEATER
1. Turn thermostat control knob clockwise ( _r ) to the "OFF" position,
SHUTTING OFF BURNER ONLY (Pilot stays lit)
1. Turn thermostat control knob clockwise ( _) to the "Pilot" position,
MANUAL LIGHTING PROCEDURE
l. Follow steps I through6 under Lighting Instructions.
2. Whh control knob pressed in, strike match. Hold match to pilot until pilot
lights.
3. Keep control knob pressed in for 30 seconds after lighting pilot. After 30
seconds, release control knob.
Check pilot flame pattom and burner flame pattern often.
PILOT FLAME PATTERN
Figure 10 shows a correct pilot flame pattern. Figure l I shows an incorrect pilot
flame pattern. The incorrecX pilot flame is not touching the thermccouple, This
will cause the thermocouple to cool. When the thermocouple cools, the heater
vAll shut down.
Ther
Pilot Burner
Figure 10 - Correct Pilot Flame Pattern
Thermocouple
Pilot Burner
Figure 11 - Incorrect Pilot Flame Pattern
If pilot flame pattern is incorrect, as shown in Figure 11
•turn heater off (see To TurnOffGas to Appliance)
•see Troubleshoogng, page 20

INSPECTING
BURNER
Continued
SERVICE
HINTS
BURNER FLAME PATTERN
Figure 12 shows a correct burner flame pattern. Figure 13 shows an incorrect
burner flame pattern.
Figure 12 -Correct Burner Flame Pattern
Figure t3 -Incorrect Burner Flame Pattern
If burner flame pattern is incorrect, as shown in Figure 13
• turn heater off (see To Turn OffGas to Appliance, page 18)
• see Troubleshooting, page 2o
When gas pressure is too low
•pilot will not stay lit
•burner(s) will have delayed ignition
•heater will not produce specified heat
•propane/LP gas supply may l_elow
When gas quality is had
•pilot will not stay lit
• burner(s) will produce flames and soot
• heater will backfire when lit
You may feel your gas pressure is too low or gas quality is bad. If so, contact your
local propane/LP gas supplier.

m
CLEANING
AND
MAINTENANCE
TROUBLE-
SHOOTING
Note: All troubleshooting
items are listed in order of
operation.
VVARNING
Turn off heater and let cool before cleaning.
CAUTION
You must keep control areas, burner, and circulating air
passageways of heater clean. Inspect these areas of heater before
each use. Have heater inspected yearly by a qualified service
Heater may need more frequent cleaning due to excessive
lint from carpeting, bedding material, etc.
ODS/PILOT AND BURNER ORIRCE
• Use a vacuum cleaner, pressurized air, or small, soft bristled brash to clean.
CABINET
Air Passageways
• Use z_vacuum cleaner or pressurized air to clean.
Exterior
• Use a soft cloth dampened with a mild soap and water mixture. Wipe the
cabinet to remove dust.
WARNING
Turn off heater and let cool before servicing. Only a qualified
service person should service and repair heater.
CAUTION
Never use a wire, needle, or similar object to clean ODS/pilot. This
can damage ODS/pllot unit.
i OBSERVED POSSIBLE
PROBLEM CAUSE REMEDY
When ignitor button is 1. Ignitor electrode posi- 1. Replaceig_tor.
pressed in, there is no fioned wrong.
spark at ODS/pilot, 2. Ignitor electrode broken. 2. Replace ignitor.
3. Ignitor electrode not 3. Reconnect ignitor cable.
connected to ignitor cable.
4. Ignitor cable pinched or
wet. 4. Freeignitor cable if pinched
by any metal or tubing.
Keep ignitor cable dry.
5. Broken ignitor cable.
6. Bad piezo ignitor.
7. Piezo ignitor nut _s loose.
5. Replace ignitor cable.
6. Replace control valve
(piezo is part of control
valve).
7. Tighten nut holding piezo
ignitor. Nut is located in-
side heater cabinet at top.