Desa CGP10TL User Manual
VENT -FREE PROPANE/LP GAS HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
®
Model: CGP10T and CGP10TL
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.
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. (I.E. Installation of this product is
permitted after the manufactured (mobile) home is sited)
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.
Save this manual for future reference.
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 is an unvented
gas-fired 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
Combustion and Ventilation
tion in this manual.
Air for
sec-
CONTENTS
SECTION PAGE
Safety Information.........................................................................2
Product Identification .................................................................... 4
Local Codes ................................................................................... 4
Unpacking......................................................................................4
Product Features ............................................................................ 4
Air For Combustion and Ventilation ............................................. 5
Installing To Wall..........................................................................9
Connecting To Gas Supply............................................................13
Checking Gas Connections............................................................14
Operating Heater ...........................................................................16
Inspecting Burner ..........................................................................19
Cleaning And Maintenance ........................................................... 21
Troubleshooting.............................................................................21
Technical Service .......................................................................... 25
Specifications ................................................................................25
Service Hints .................................................................................25
Illustrated Parts Breakdown ..........................................................26
Parts List ........................................................................................ 27
Replacement Parts ......................................................................... 28
Service Publications ......................................................................28
Accessory ......................................................................................28
Parts Central ..................................................................................29
Warranty Information .................................................................... Back Cover
SAFETY
INFORMATION
W ARNINGS
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, 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, and/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.
Propane/LP Gas: Propane/LP gas is odorless. An odor-making agent is added to
propane/LP gas. The odor helps you detect a propane gas leak. However, the odor added
to propane/LP gas can fade. Propane/LP 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 heater.
2
Safety Information continued on page 3
103575
SAFETY
INFORMATION
Continued
W ARNINGS
WARNING: Any change to this heater or its controls can be dangerous.
1. 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.
2. Do not place propane/LP supply tank(s) inside any structure. Locate propane/LP
supply tank(s) outdoors.
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 neighbor’s phone. Follow the gas
supplier’s instructions
• if you cannot reach your gas supplier, call the fire department
4. Heater shall not be installed in a bathroom.
5. Never install the heater
• 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
• 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. Keep all air openings in the front and bottom of heater clear and free of debris. This
will insure enough air for proper combustion.
8. If heater shuts off, do not relight until you provide fresh, outside air. If heater keeps
shutting off, have it serviced.
9. Do not run heater
• where flammable liquids or vapors are used or stored
• under dusty conditions
10.Never place any objects on the heater.
11.Surface of heater becomes very hot when running heater. Keep children and adults
away from hot surface to avoid burns and clothing ignition. Heater will remain hot
for a time after shutdown. Allow surface to cool before touching.
12.Make sure grill guard is in place before running heater.
13.Carefully supervise young children when they are in same room with heater.
14. 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.
15.Turn off heater and let cool before servicing. Only a qualified service person
should service and repair heater.
16.Operating heater above elevations of 4,500 feet could cause pilot outage.
17.To prevent performance problems, do not use propane fuel tank of less than
100 lbs. capacity.
Continued
103575
3
PRODUCT
IDENTIFICATION
Ignitor Button
Control Knob
Grill
Guard
Glass
Panel
LOCAL CODES
UNPACKING
Front
Panel
Figure 1 - Vent-Free Propane/LP Gas Heater
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 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 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 where you bought heater.
Heater
Cabinet
PRODUCT
FEATURES
4
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.
Piezo 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.
103575
AIR FOR
WARNING
COMBUSTION
AND
VENTILATION
This heater shall not be installed in a confined space unless
provisions are provided for adequate combustion and ventilation
air. 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
insulation, 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 fuel-burning appliances need fresh air for
proper combustion and ventilation.
Exhaust fans, 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 insure proper venting of vented fuel-burning appliances.
.
PROVIDING ADEQUATE VENTILATION
The following is excerpts from National Fuel Gas Code. NFPA 54/ANSI Z223.1,
Section 5.3, Air for Combustion and Ventilation.
All spaces in homes fall into one of the three following ventilation classifications:
1. Unusually Tight Construction; 2. Unconfined Space; 3. Confined Space.
The information on pages 5 through 8 will help you classify your space and 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 tight construction,
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 continu-
ous water vapor retarder with a rating of one perm (6x10
m2) or less with openings gasketed or sealed
b. weather stripping has been added on openable 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
If your home does not meet all of the three criteria above, proceed to page 6.
Ventilation Air From Outdoors
and
, page 8
-11
per pa-sec-
.
103575
Confined and Unconfined Spaces
The National Fuel Gas Code defines a confined space as a space whose volume
is less than 50 cubic feet per 1000 Btu per hour (4.8 cubic meters per kw) of the
aggregate input rating of all appliances installed in that space and an unconfined
space as a space whose volume is not less than 50 cubic feet per 1000 Btu per
hour (4.8 cubic meters per kw) of the aggregate input rating of all appliances
installed in that space. Rooms communicating directly with the space in which
the appliances are installed, through openings not furnished with doors, are
considered a part of the unconfined space.
Continued
5
AIR FOR
COMBUSTION
AND
VENTILATION
Continued
DETERMINING 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 plus any adjoining rooms with
doorless passageways or ventilation grills between the rooms.
1. Determine the volume of the space (length x width x height).
Length x Width x Height = ___________________ cu. ft. (volume of space)
Example:
If additional ventilation to adjoining room is supplied with grills or openings, add the
volume of these rooms to the total volume of the space.
2. Divide the space volume by 50 cubic feet to determine the maximum Btu/Hr the space
can support.
____________ (volume of space) ÷ 50 cu. ft. = (Maximum Btu/Hr the space can
support)
Example:
space can support)
3. Add the Btu/Hr of all fuel burning appliances in the space.
Example:
* Do not include direct-vent gas appliances. Direct-vent draws combustion air from the
outdoors and vents to the outdoors.
4. Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr
used.
_________________ Btu/Hr (maximum the space can support)
_________________ Btu/Hr (actual amount of Btu/Hr used)
Example:
The space in the above example is a confined space because the actual Btu/Hr used is more
than the maximum Btu/Hr the space can support. You must provide additional fresh air.
Your options are as follows:
A. Rework worksheet, adding the space of an adjoining room. If the extra space provides
an unconfined space, remove door to adjoining room or add ventilation grills between
rooms. See Ventilation Air From Inside Building, page 7.
B. Vent room directly to the outdoors. See Ventilation Air From Outdoors, page 8.
C. Install a lower Btu/Hr heater, if lower Btu/Hr size makes room unconfined.
If the actual Btu/Hr used is less than the maximum Btu/Hr the space can support, the space
is an unconfined space. You will need no additional fresh air ventilation.
Space size 18 ft. (length) x 16 ft. (width) x 8 ft. (ceiling height) =
2304 cu. ft. (volume of space)
2304 cu. ft. (volume of space) ÷ 50 cu. ft. = 46.1 or 46,100 (maximum Btu/Hr the
Vent-free heater ___________________ Btu/Hr
Gas water heater* ___________________ Btu/Hr
Gas furnace ___________________ Btu/Hr
Vented gas heater ___________________ Btu/Hr
Gas fireplace logs ___________________ Btu/Hr
Other gas appliances* + ___________________ Btu/Hr
Total = ___________________ Btu/Hr
Gas water heater 40,000 Btu/Hr
Vent-free heater + 10,000 Btu/Hr
Total = 50,000 Btu/Hr
46,100 Btu/Hr (maximum the space can support)
50,000 Btu/Hr (actual amount of Btu/Hr used)
6
103575
Or
Remove
Door into
Adjoining
Room,
Option 3
Ventilation Grills
Into Adjoining Room,
Option 2
12"
12"
Ventilation
Grills
into Adjoining
Room,
Option 1
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.
cable local codes.
or appli-
VENTILATION AIR
Ventilation Air From Inside Building
This fresh air would come from an adjoining unconfined space. When ventilating to
an adjoining unconfined space, you must provide two permanent openings: one within
12" of the ceiling and one within 12" of the floor on the wall connecting the two spaces
(see options 1 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.
W ARNING
Rework worksheet, adding the space of the adjoining unconfined
space.
appliances in both spaces.
The combined spaces must have enough fresh air to supply all
103575
Figure 2 - Ventilation Air from Inside Building
Continued
7
AIR FOR
COMBUSTION
AND
VENTILATION
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, Section 5.3, Air for Combustion and Ventilation for required size
of ventilation grills or ducts.
IMPORTANT:
a thermostat-controlled power vent. Heated air entering the attic will activate the
power vent.
Do not provide openings for inlet or outlet air into attic if attic has
Outlet
Air
Inlet
Air
Outlet
Air
Inlet Air
Figure 3 - Ventilation Air from Outdoors
Ventilated
Attic
Ventilated
Crawl Space
To Attic
To
Crawl
Space
8
103575
INSTALLING TO
WALL
NOTICE
A qualified service person must install heater. Follow all local codes.
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
installer, see page 13)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• manual shutoff valve *
* An A.G.A. design-certified manual shutoff valve with 1/8" NPT tap is an acceptable
alternative to test gauge connection. The optional A.G.A. design-certified manual
shutoff valve can be purchased from your dealer. See Accessory, page 28.
• ground joint union
• test gauge connection * (see
Figure 13, page 14)
• sediment trap
• tee joint
• pipe wrench
LOCATING HEATER
This heater is designed to be mounted on a wall.
W ARNING
Maintain the minimum clearances shown in Figure 4 (page 10). If you
can, provide greater clearances from floor, ceiling, and joining wall.
W ARNING
Never install the heater
• in 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
• in high traffic areas
• in windy or drafty areas
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:
stalling heater in rooms without enough ventilation air may cause mildew to form from
too much moisture. See Air for Combustion and Ventilation, pages 5 through 8.
Vent-free heaters add moisture to the air. Although this is beneficial, in-
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
103575
Continued
9
INSTALLING TO
36"
3"
FLOOR
CEILING
Minimum
Minimum To Top Surface
Of Carpeting, Tile Or Other
Combustible Material
6"
Minimum
From
Sides Of
Heater
Right
Side
Left
Side
WALL
Continued
For convenience and efficiency, install heater
• where there is easy access for operation, inspection, and service
• in coldest part of room
Figure 4 - Mounting Clearances As Viewed From Front of Heater
THERMOSTAT SENSING BULB
The thermostat sensing bulb is located inside the heater. Do not move this bulb
during installation or operation of the heater.
INSTALLING HEATER TO WALL
Marking Screw Locations
1. Determine where you will locate heater.
WARNING
Maintain minimum clearances shown in Figure 5. If you can,
provide greater clearances from floor and joining wall.
2. Mark two mounting screw locations on wall (see Figure 5).
8 7/8"
Minimum To
Maintain 6"
Clearance
From Wall
JOINING WALL
7 3/4"
Mounting
Screw
Locations
20 1/4"
Minimum To
Maintain 3"
Clearance
From Floor
10
FLOOR
Figure 5 - Mounting Screw Locations
103575
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