Page 1
PROPANE
CONSTRUCTION
HEATER
OWNER’S MANUAL
Heater Size: 50,000 BTU/Hr
IMPORTANT
Read and understand this manual before assembling, starting, or servicing heater.
Improper use of heater can cause serious injury. Keep this manual for future
reference.
!
GENERAL HAZARD WARNING:
FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS PROVIDED WITH THIS HEATER, CAN RESULT IN DEATH,
SERIOUS BODILY INJURY AND PROPERTY LOSS OR DAMAGE
FROM HAZARDS OF FIRE, EXPLOSION, BURN, ASPHYXIATION,
CARBON MONOXIDE POISONING, AND/OR ELECTRICAL
SHOCK.
ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE
INSTRUCTIONS SHOULD USE OR SERVICE THIS HEATER.
IF YOU NEED ASSISTANCE OR HEATER INFORMATION SUCH
AS AN INSTRUCTIONS MANUAL, LABELS, ETC. CONTACT THE
MANUFACTURER.
®
Page 2
CONTENTS
SECTION PAGE
Safety Information.........................................................................2
Product Identification .................................................................... 4
Unpacking......................................................................................4
Theory of Operation ......................................................................5
Propane Supply..............................................................................5
Installation .....................................................................................6
Ventilation .....................................................................................7
Operation .......................................................................................7
Storage ........................................................................................... 9
Maintenance .................................................................................. 9
Troubleshooting.............................................................................10
Service Procedures ........................................................................ 11
Specifications.................................................................................14
Wiring Diagram.............................................................................14
Accessories .................................................................................... 15
Technical Service ..........................................................................15
Replacement Parts .........................................................................15
Illustrated Parts List.......................................................................16
Warranty and Repair Service.........................................................Back Cover
SAFETY
INFORMATION
2
W ARNINGS
WARNING ICON G 001
WARNING: FIRE, BURN, INHALATION, AND EXPLOSION
WARNING ICON G 001
HAZARD. KEEP SOLID COMBUSTIBLES, SUCH AS BUILDING
MATERIALS, PAPER OR CARDBOARD, A SAFE DISTANCE
AWAY FROM THE HEATER AS RECOMMENDED BY THE
INSTRUCTIONS. NEVER USE THE HEATER IN SPACES
WHICH DO OR MAY CONTAIN VOLATILE OR AIRBORNE
COMBUSTIBLES, OR PRODUCTS SUCH AS GASOLINE, SOLVENTS, PAINT THINNER, DUST PARTICLES OR UNKNOWN
CHEMICALS.
WARNING
WARNING ICON G 001
NOT FOR HOME OR RECREATIONAL VEHICLE USE.
The heater is designed for use as a construction heater in accordance with ANSI
Z83.7•CGA2.14. Other standards govern the use of fuel gases and heating products
for specific uses. Your local authority can advise you about these. The primary
purpose of construction heaters is to provide temporary heating of buildings under
construction, alteration or repair. Properly used, the heater provides safe economical heating. Products of combustion are vented into the area being heated.
We cannot foresee every use which may be made of our heaters. Check with your
local fire safety authority if you have questions about heater use.
Other standards govern the use of fuel gases and heat producing products for
specific uses. Your local authorities can advise you about these.
Carbon Monoxide Poisoning: Some people are more affected by carbon
monoxide than others. 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! Check for proper ventilation and
have heater serviced.
Safety Information continues on next page
100585
Page 3
SAFETY
INFORMATION
Continued
2
100585
!
WARNINGS
Propane Gas: Propane gas is odorless. An odor-making agent is added to propane
gas. The odor helps you detect a propane gas leak. However, the odor added to
propane gas may fade. Propane 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.
• Install and use heater with care. Follow all local ordinances and codes. In the
absence of local ordinances and codes, refer to the Standard for Storage and
Handling of Liquefied Petroleum Gas, ANSI/NFPA 58 and the Natural Gas
Installation Code, CAN/CGA B149.2. This instructs on the safe storage and
handling of propane gases.
• Use only the electrical voltage and frequency specified on model plate.
• The electrical connections and grounding of the heater shall follow the National Electric Code, ANSI/NFPA 70, or Canadian Electrical Code, Part 1.
• Electrical grounding instructions — This appliance is equipped with a threeprong (grounding) plug for your protection against shock hazard and should
be plugged directly into a properly grounded three-prong receptacle.
• Use only a three-prong, grounded extension cord.
• Use only the hose and factory preset regulator provided with the heater.
• Use only propane gas set up for vapor withdrawal.
• Provide adequate ventilation. Before using heater, provide at least a 1.5 square
foot opening of fresh, outside air. This heater produces carbon monoxide, which
is listed by the State of California as a reproductive toxin under Proposition 65.
• For indoor use only. Do not use heater outdoors.
• Do not use heater in occupied dwellings or in living or sleeping quarters.
• Do not use heater below ground level. Propane gas is heavier than air. If a leak
occurs, propane gas will sink to the lowest possible level.
• Keep appliance area clear and free from combustible materials, gasoline, paint
thinner, and other flammable vapors and liquids. Do not use heater in areas
with high dust content.
• Minimum heater clearances from combustibles:
Outlet: 6 Ft. Sides: 2 Ft. Top: 6 Ft. Rear: 2 Ft.
• Keep heater at least six feet from propane tank(s). Do not point heater at
propane tank(s) within 20 feet.
• Keep propane tank(s) below 100° F.
• Check heater for damage before each use. Do not use a damaged heater.
• Check hose before each use of heater. If highly worn or cut, replace before
using heater.
• Locate heater on stable and level surface if heater is hot or operating.
• Not intended for use on finished floors.
• Never block air inlet (rear) or air outlet (front) of heater.
• Keep heater away from strong drafts, water spray, rain, or dripping water.
• Do not leave heater unattended.
• Keep children and animals away from heater.
• Never move, handle, or service a hot, operating, or plugged-in heater. Severe
burns may result. Wait 20 minutes after turning heater off.
• To prevent injury, wear gloves when handling heater.
• Never attach duct work to heater.
• Do not alter heater. Keep heater in its original state.
• Do not use heater if altered.
• Turn off propane supply and unplug heater when not in use.
• Use only original replacement parts. This heater must use design-specific
parts. Do not substitute or use generic parts. Improper replacement parts could
cause serious or fatal injuries.
Continued
3
Page 4
PRODUCT
IDENTIFICATION
Hot Air Outlet
(Front)
Shell
Handle
Motor
Fan Guard
Heater Base
UNPACKING
Piezo Ignitor
Button
Automatic
Control Valve
Button
Hose /Regulator
Assembly
Figure 1 - 50,000 BTU/Hr Model
Inlet
Connector
Power
Cord
1. Remove all packing items applied to heater for shipment. Keep plastic cover
caps (attached to inlet connector and hose/regulator assembly) for storage.
2. Remove all items from carton.
3. Check all items for shipping damage. If heater is damaged, promptly inform
dealer where you bought heater.
4
100585
Page 5
THEORY OF
OPERATION
Clean
Heated
Air Out
(Front)
The Fuel System: The hose/regulator assembly attaches to the propane gas
supply. This provides fuel to the heater.
The Air System: The motor turns the fan. The fan pushes air into and around
the combustion chamber. This air is heated and provides a stream of clean, hot air.
The Ignition System: The piezo ignitor lights the burner.
The Automatic Control System: This system causes the heater to shut down
if the flame goes out.
Combustion
Chamber
Fan
Motor
Cool Air In
(Back)
PROPANE
SUPPLY
Hose/Regulator
Assembly
Air For Combustion Air For Heating
Figure 2 - Cross Section Operational View
Propane gas and propane tank(s) are to be furnished by the user.
Use this heater only with a propane vapor withdrawal supply system. See Chapter 5
of the Standard for Storage and Handling of Liquefied Petroleum Gas, ANSI/NFPA
58 and or CAN/CGA B149.2. Your local library or fire department will have this
booklet.
The amount of propane gas ready for use from propane tanks varies. Two factors
decide this amount:
1. The amount of propane gas in tank(s)
2. The temperature of tank(s)
This heater is designed to operate with a minimum 20-pound propane tank. You
may need two or more tanks or one larger tank in colder weather. Use a 100-pound
tank for longer operation or in very cold weather. Less gas is vaporized at lower
temperatures. Your local propane gas dealer will help you select the proper supply
system. The minimum surrounding air temperature rating for each heater is -20°F
(-29°C).
100585
Average Temperature (°F)
At Tank Location 40° 32° 20° 10° 0° -10° -20°
Number Of Tanks
(100-pound) 1111 1 2 2
5
Page 6
INSTALLATION
Review and understand the warnings in the Safety Information Section, pages 2 and 3. They are needed to safely
operate this heater. Follow all local codes when using this
heater.
!
WARNING
Test all gas piping and connections for leaks after installation or servicing. 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.
1. Provide propane supply system (see Propane Supply, page 5).
2. Connect POL fitting on hose/regulator assembly to propane tank(s). Turn POL
fitting counterclockwise into threads on tank. Tighten firmly using
wrench.
in a horizontal position (see Figure 3). This places the regulator vent in the
proper position to protect it from the weather.
IMPORTANT:
Propane
Tank
Position regulator so that hose leaving the regulator is
Propane
Supply
Valve
WARNING
!
Regulator
Hose
POL Fitting
Figure 3 - Regulator Position
3. Connect hose to inlet connector. Tighten firmly using a wrench.
IMPORTANT:
between hose/regulator assembly and propane tank. You must use the regulator supplied with heater.
Use extra hose or piping if needed. Install extra hose or piping
Inlet Connector
Figure 4 - Hose and Inlet Connector
Hose
6
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Page 7
4. Open propane supply valve on propane tank(s) slowly.
slowly, excess-flow check valve on propane tank may stop gas flow. If this
happens, close propane supply valve and open again slowly.
5. Check all connections for leaks. Apply mixture of liquid soap and water to gas
joints. Bubbles forming show a leak that must be corrected.
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 that must be corrected. Correct all leaks at
once.
6. Close propane supply valve.
Note:
If not opened
VENTILATION
OPERATION
WARNING
!
Provide at least a 1.5 square foot opening of fresh, outside
air while running heater. If proper fresh, outside air ventilation is not provided, carbon monoxide poisoning can occur.
Provide proper fresh, outside air ventilation before running
heater.
Review and understand the warnings in the Safety Information section, pages 2 and 3. They are needed to safely
operate this heater. Follow all local codes when using this
heater.
To Start Heater
1. Follow all installation, ventilation, and safety information.
2. Locate heater on stable and level surface. Make sure strong drafts do not blow
into front or rear of heater.
3. Plug power cord of heater into a three-prong, grounded extension cord.
Extension cord must be at least six feet long. Extension cord must be UL
listed.
Extension Cord Wire Size Requirements
Up to 50 feet long, use 18 AWG rated cord.
51 to 100 feet long, use 16 AWG rated cord.
101 to 200 feet long, use 14 AWG rated cord.
4. Plug extension cord into a 120 volt/60 hertz, 3-hole, grounded outlet. Motor
will start. Fan will turn, forcing air out front of heater.
WARNING
!
100585
Continued
7
Page 8
OPERATION
Continued
5. Open propane supply valve on propane tank(s) slowly.
slowly, excess-flow check valve on propane tank may stop gas flow. If this
happens, close propane supply valve and open again slowly.
!
WARNING
Be sure motor and fan are running before pushing in automatic control valve button. Flames could flash outside
heater if motor and fan are not running.
6. Push in and hold automatic control valve button (see Figure 5). Push piezo
ignitor button (see Figure 5). You may need to push piezo ignitor button 3-8
times until the burner lights. When burner lights, keep automatic control valve
button pushed in. Release button after 30 seconds.
Note:
If heater fails to ignite, hose may have air in it. If so, keep automatic
control valve button pressed and wait 20 seconds. Release automatic control
valve button and wait 20 seconds for unburned fuel to exit heater. Repeat step 6.
Note:
If not opened
Piezo Ignitor
Button
Automatic Control
Valve Button
Figure 5 - Automatic Control Valve Button and Piezo Ignitor Button
To Stop Heater
1. Tightly close propane supply valve on propane tank(s). Allow heater to burn
remaining fuel in hose.
2. Wait a few seconds. Heater will burn gas left in supply hose.
3. Unplug heater.
To Restart Heater
1. Wait five minutes after stopping heater.
8
2. Repeat steps under To Start Heater, page 7.
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Page 9
STORAGE
!
CAUTION
Disconnect heater from propane supply tank(s).
1. Store propane tank(s) in safe manner. See Chapter 5 of Standard for Storage
and Handling of Liquefied Petroleum Gases, ANSI/NFPA 58 and/or CAN/CGA
B149.2. Follow all local codes. Always store propane tanks outdoors.
2. Place plastic cover caps over brass fittings on inlet connector and hose/regula-
tor assembly.
3. Store in dry, clean, and safe place. Do not store hose/regulator assembly inside
heater combustion chamber.
4. When taking heater out of storage, always check inside of heater. Insects and
small animals may place foreign objects in heater. Remove motor and other
internal parts if needed to remove foreign objects (see Service Procedures,
page 11).
MAINTENANCE
!
WARNINGS
• Never service heater while it is plugged in, connected
to propane supply, operating, or hot. Severe burns and
electrical shock can occur.
• Keep heater clear and free from combustible materials,
gasoline, and other flammable vapors and liquids.
• Do not block the flow of combustion or ventilation air.
1. Keep heater clean. Clean heater annually or as needed to remove dust and
debris. If heater is dirty or dusty, clean heater with a damp cloth. Use household cleaners on difficult spots.
2. Inspect heater before each use. Check connections for leaks. Apply mixture of
liquid soap and water to connections. Bubbles forming show a leak. Correct all
leaks at once.
3. Inspect hose/regulator assembly before each use. If hose is highly worn or cut,
replace.
4. Have heater inspected yearly by a qualified service agency.
5. Keep inside of heater free from combustible and foreign objects. Remove
motor and other internal parts if needed to clean inside of heater (see Service
Procedures, page 11).
6. Clean fan blades each season or as needed (see Fan, page 12).
100585
9
Page 10
TROUBLE-
!
SHOOTING
WARNING
Never service heater while it is plugged in, connected to
propane supply, operating, or hot. Severe burns and
electrical shock can occur.
OBSERVED FAULT POSSIBLE CAUSE REMEDY
Fan does not turn
when heater is
plugged in.
No electrical power
to heater
Check voltage to electrical outlet. If voltage is good, check
heater power cord for breaks.
Heater will not
ignite.
Fan hitting inside of
heater shell
Fan blades bent
Defective motor
User did not follow installation or operation instructions properly
No spark at ignitor. To
test for spark, follow step
9 under Ignitor, page 13.
If you see spark at ignitor,
have heater serviced by
qualified service person.
If no spark seen:
A) Loose or disconnected
ignitor wire
B) Wrong spark gap
C) Piezo ignitor loose
D) Bad ignitor electrode
Adjust motor/fan guard to keep
fan from hitting inside of heater
shell. Bend fan guard if necessary.
Replace fan. See Fan, page 12.
Replace motor. See Motor,
page 11.
Repeat installation and operation instructions. See Installa-
tion, page 6 and Operation,
page 7.
A) Check ignitor wire. Tighten
or reattach loose ignitor wire.
See Figure 13, page 13 for ignitor wire location.
B) Set gap between ignitor
electrode and target plate to
.17".
C) Tighten nut holding piezo
ignitor to base of heater.
D) Replace ignitor electrode.
See Ignitor, page 13.
Heater shuts down
while running.
High surrounding air temperature causing thermal
limit device to shut down
heater.
Restricted air flow
Damaged fan
Excessive dust or debris
in surrounding area
This can happen when running
heater in temperatures above
85°F. Run heater in cooler temperatures.
Check heater inlet and outlet.
Remove any obstructions.
Replace fan. See Fan, page 12.
Clean heater. See Mainte-
nance, page 9.
!
WARNING
Use only in areas free of
high dust content.
10
100585
Page 11
SERVICE
!
WARNING
PROCEDURES
Motor
1. Access ground screw
through underside of
heater base. Remove
ground screw. Disconnect
the green motor wire and
the green power cord wire
from underside of shell
(see Figure 6).
2. Remove black and white
motor wires from terminal
board (see Figure 6).
3. Remove two wire guard
screws. Remove wire
guard.
4. Set heater on its base.
Remove three screws that
attach fan guard to heater
shell (see Figure 7).
5. Remove motor and fan
guard from heater shell.
Carefully pull the green,
black, and white motor
wires from hole in shell
(see Figure 7).
6. Use pliers to remove the
fan nut from front of
motor shaft (see Figure 8).
7. Remove fan. Be careful
not to damage the fan
blade pitch.
8. Use nut driver to remove
three nuts that attach fan
guard to motor.
fan guard from motor (see
Figure 9).
9. Discard old motor.
Remove
Never service heater while it is plugged in, connected to
propane supply, operating, or hot. Severe burns and electrical shock can occur.
Ground Screw
Wire Guard Screws
Wire Guard
Underside of Heater Base
Terminal Board
Figure 6 - Location of Ground Screw and Wire Guard
Fan Guard Screw
Fan Guard
Hole in Shell
for Wires
Figure 7 - Removing Motor and Fan Guard from Heater
100585
Continued
Fan
Nut
Figure 8 - Removing Fan Nut from
Motor Shaft
Motor Wires
Figure 9 - Removing or Attaching
Fan Guard from Motor
11
Page 12
Motor
(Continued)
10.Attach fan guard to new
motor with three nuts.
Tighten nuts firmly.
11.Place fan onto motor shaft
of new motor.
IMPORTANT:
When
placing fan onto motor
shaft, make sure part
number stamped on fan is
facing motor. Attach fan
nut to end of motor shaft.
Tighten fan nut firmly.
12.Place motor and fan guard
into rear of heater shell.
Carefully route motor wires
through hole in shell (see
Figure 10).
13.Insert three screws through
heater shell and into fan
guard. Tighten screws firmly.
14.
Turn heater on its side to
access opening in bottom of
base. Connect green motor
wire and green power cord
wire to heater shell using
ground nut (see Figure 6,
page 11).
15. Attach black and white
wires to empty connectors
on black and white wire
sides of terminal board.
16. Attach wire guard to shell
with two screws (see Figure
6, page 11).
Hole in Shell
for Motor Wires
Figure 10 - Replacing Motor and Fan Guard into Heater
Fan
1. Remove fan and motor (see
Motor, page 11, steps 1
through 6.
2a. If replacing fan, remove
old fan and discard. Go to
step 5 below.
2b.If cleaning fan, remove fan.
Be careful not to damage
the fan blade pitch.
3. Clean fan using soft cloth
moistened with kerosene or
solvent.
4. Dry fan thoroughly.
5. To replace fan, follow steps
11 through 16 above.
12
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Page 13
Ignitor
1. Remove motor and fan
guard from heater (see
Motor, page 11, steps 1
through 5).
2. Remove black ignitor wire
from piezo ignitor. Access
ignitor wire through
underside of heater base
(see Figure 11). Push wire
up through bushing in
heater shell.
3. Remove ignitor mounting
screw from rear head
using nut-driver or standard screwdriver (see
Figure 12).
4. Remove ignitor from rear
head.
5. Install new ignitor. Attach
ignitor to rear head with
ignitor mounting screw.
6. Run ignitor wire from new
ignitor through bushing in
heater shell. Attach ignitor
wire to piezo ignitor.
7. Set gap between ignitor
electrode and target plate
to .17" (see Figure 13).
8. Test for spark.
WARNING: Make sure
heater is disconnected
from propane supply.
Heater could ignite
causing severe burns.
Push piezo ignitor button
and watch for spark
between ignitor electrode
and target plate.
9. Place motor and fan guard
into rear of heater shell
(see Motor, page 12, steps
12 through 16).
Piezo Ignitor
Bushing
Ignitor Wire
Underside of
Heater Base
Figure 11 - Removing Ignitor Wire from Piezo Ignitor
Rear
Head
Ignitor
Mounting
Screw
Ignitor
Figure 12 - Removing Ignitor Mounting Screw and Ignitor
Target
Plate
100585
Gap
Area
Ignitor
Electrode
Figure 13 - Clearance between Ignitor Electrode and Target Plate
13
Page 14
SPECIFICATIONS
21
Output Rating (BTU/Hr) 49,500
Fuel Propane Vapor Only
Fuel Consumption
Gallons/Hour 0.5
Pounds/Hour 2.3
Supply Pressure To Regulator
Minimum (for purposes 10 psi
of input adjustment)
Maximum Tank Pressure or 200 psi
Regulator Outlet Pressure 18" WC
Manifold Pressure 16" WC
Hot Air Output
(CFM Approx) 275
Motor 3300 RPM
Electric Input 120 volt/60 hertz
Amperage 2
Ignition Manual, Piezo
Weight (Pounds)
Heater 15.5
Shipping 17
Size - L x W x H (Inches)
Heater 18.5 x 7.7 x 12.8
Temperature Range for Heater Operation -20° F to 85° F*
WIRING
DIAGRAMS
* When running heater in temperatures above 85° F, high internal temperatures
may cause thermal limit device to shut down heater.
Electrode
Thermo-
couple
Red
Red
Gas
Valve
Black White
Piezo
Ignitor
Thermal
Blue
8
6
Relay
4
2
Switch
T
7
5
3
1
Figure 14 - Connection Diagram
Blue
Thermal
Switch
Black White
Motor
CONNECTION DIAGRAM
(To Thermocouple)
(To Thermocouple)
Blue
Motor
Green
Terminal
Board
Blue
White
White
Red Red
Red Red
Relay
BlackBlack
White
Green
White
14
Green
Line Ground Neutral
Figure 15 - Electrical Ladder Diagram
100585
Page 15
ACCESSORIES
Purchase accessories and
parts from your nearest dealer
or service center. If they can
not supply an accessory or
part, either contact your
nearest Parts Central (listed in
the separate Authorized
Service Center booklet) or
contact DESA International
for referral information.
DESA International
P.O. Box 90004
Bowling Green, KY
42102-9004
1-800-972-7879
Parts Department
Part Number Description
LPA1020 10' Rubber Hose with Brass Fitting
U.L. listed.
LPA2140 Propane Gas Regulator
U.L. listed.
LPA3055 Hose/Regulator Assembly
U.L. listed.
LPA4020 Fuel Gas Connector
Connects regulator to all standard propane tanks.
U.L. and A.G.A. listed.
TECHNICAL
SERVICE
REPLACEMENT
PARTS
You may have further questions about this heater. If so, contact DESA
International’s Technical Service Department at 1-800-323-5190.
!
WARNING
Use only original replacement parts. This heater must
use design-specific parts. Do not substitute or use
generic parts. Improper replacement parts could cause
serious or fatal injuries. This will also protect your
warranty coverage for parts replaced under warranty.
Parts Under Warranty
Contact authorized dealers of this product. If they can’t supply original replacement part(s), either contact your nearest authorized service center or call DESA
International’s Technical Service Department at 1-800-323-5190.
When calling DESA International, have ready
• your name
• your address
• model number and serial number of your heater
• how heater was malfunctioning
• purchase date
In most cases, we will ask you to return the defective part to the factory.
100585
Parts Not Under Warranty
Contact authorized dealers of this product. If they can’t supply original replacement part(s), either contact your nearest Parts Central or call DESA International’s
Parts Department at 1-800-972-7879 for referral information.
When calling DESA International, have ready
• model number of your heater
• the replacement part number
15
Page 16
ILLUSTRATED
PARTS
BREAKDOWN
1
RUBBER
WASHER
39
28
39
41
24
2
19
22
20
2
3
21
FAN
NUT
MOTOR
4
FAN
7
5
6
16
9
8
21
38
26
11
33
35
37
31
MOTOR
ASSEMBLY
10
18
26
17
12
14
16
11
25
34
17
23
29
27
32
36
30
40
13
15
100585
Page 17
PARTS LIST
KEY PART
NO. NO. DESCRIPTION QTY.
1 099568-01 Inner Shell (Combustion Chamber) 1
2 M11084-26 Hex Tap Screw, #10-16 x 3/8" 7
3 099599-02AB Outer Shell (BLP50) 1
099599-02AC Outer Shell (RLP50) 1
099599-02AA Outer Shell (REM50LP) 1
4 M51104-01 Handle 1
5 099230-01 Hex Tap Shoulder Screw 4
6 M11084-29 Hex Tap Screw, #10-16 x 3/4" 2
7 M11084-27 Hex Tap Screw, #10-16 x 1/2" 3
8 099237-01 Thermocouple Clip 1
9 099727-03 Burner Assembly 1
10 100588-01 Electrode Ignitor 1
11 M11084-38 Hex Tap Screw, #8-18 x 3/8" 8
12 099537-03 Fan 1
13 100589-01 Motor Assembly (Includes Rubber Washer and Fan Nut) 1
14 099540-01 Fan Guard 1
15 097384-02 Captive Washer Nut 3
16 097968-05 Hex Screw, #4-40 x 1/2" 2
17 NPC-00C Hex Nut, #4-40 4
18 101732-01 Thermal Switch Kit 1
19 097776-01 Universal Bushing 1
20 099542-01 Wire Clip 1
21 099538-01 Thermocouple 1
22 100591-01 Automatic Control Valve w/Orifice 1
23 102445-01 Piezo Ignitor 1
24 078978-03 Sleeve Cap 1
25 103892-02 Base 1
26 100397-01 Lock Washer, #4 4
27 099202-02 Steel Rivet, 1/8" 1
28 100594-01AA Painted Cover 1
29 100184-02 Relay 1
30 098219-25 Power Supply Cord Assembly 1
31 099125-01 Terminal Board 1
32 099157-01 Rivet 1
33 097968-01 Hex Screw, 4-40 x 1/4" 2
34 098835-01 Hex Nut, 1/2"-28 1
35 M50104-01 Shorty Bushing 1
36 M11143-1 Strain Relief Bushing 1
37 100596-01AB Wire Guard (BLP50) 1
100596-01AC Wire Guard (RLP50) 1
100596-01AA Wire Guard (REM50LP) 1
38 M11084-37 Hex Screw, 8-18 x 1/4" 1
39 079010-14 Wire Assembly, Red 2
40 079010-21 Wire Assembly, White 1
41 099460-01 Hex Cap, 1/8-27 NPTF 1
This list contains replaceable parts used in your heater. When ordering parts, follow the
instructions listed under Replacement Parts on page 15 of this manual.
100585
PARTS AVAILABLE - NOT SHOWN
097647-06 Tradename Decal (BLP50) 2
097941-10 Tradename Decal (RLP50) 1
099596-07 Tradename Decal (REM35LP -left) 1
099596-08 Tradename Decal (REM35LP -right) 1
100574-01 General Information Decal 1
100578-01 Operation Decal 1
079663-01 LP Warning Decal 1
100579-01 Electrical Decal 1
LPA1020 10' Hose
LPA2140 Regulator
LPA3055 Hose and Regulator Assembly
17
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NOTES
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100585
Page 19
NOTES
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100585
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19
Page 20
WARRANTY AND REPAIR SERVICE
KEEP THIS WARRANTY
LIMITED WARRANTY
DESA International warrants this product and any parts thereof, to be free from defects in materials and workmanship for
one (1) year from the date of first purchase when operated and maintained in accordance with instructions. This warranty
is extended only to the original retail purchaser, when proof of purchase is provided.
This warranty covers only the cost of parts and labor required to restore the product to proper operating condition.
Transportation and incidental costs associated with warranty repairs are not reimbursable under this warranty.
Warranty service is available only through authorized dealers and service centers.
This warranty does not cover defects resulting from misuse, abuse, negligence, accidents, lack of proper maintenance,
normal wear, alteration, modification, tampering, contaminated fuels, repair using improper parts, or repair by anyone other
than an authorized dealer or service center. Routine maintenance is the responsibility of the owner.
THIS EXPRESS WARRANTY IS GIVEN IN LIEU OF ANY OTHER WARRANTY EITHER EXPRESSED OR
IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
DESA International assumes no responsibility for indirect, incidental or consequential damages. Some states do not allow
the exclusion or limitation of incidental or consequential damages, or limitations or exclusions may not apply to you. This
Limited Warranty gives you specific legal rights and you may also have other rights which vary from state to state.
This warranty does not cover discoloration due to operation of heater. We reserve the right to amend these specifications
at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty,
expressed or implied.
WARRANTY SERVICE
Should your heater require service, return it to your nearest authorized service center. Proof of purchase must be presented with the heater. The heater will be inspected. A defect may be caused by faulty materials or workmanship. If so,
DESA International will repair or replace the heater without charge.
REPAIR SERVICE
Return your heater to your nearest authorized service center. Repairs not covered by the warranty will be billed at
standard prices. Each Service Center is independently owned and operated. We reserve the right to amend these specifications at any time without notice.
Complete the following information for future reference.
Model
Serial No.
Date of Purchase
2701 Industrial Drive
P.O. Box 90004
Bowling Green, KY 42102-9004
For information, write: DESA International, P.O. Box 90004
Bowling Green, Kentucky 42102-9004 ATTN: Customer Service Department
When writing, always include model number and serial number.
100585-01
REV. D
04/97
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