Desa 30LP, BLP30, RLP30 User Manual

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PROPANE
CONSTRUCTION
HEATER
OWNER’S MANUAL
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.
30,000 BTU/Hr
PROPANE CONSTRUCTION HEATER
SAFETY INFORMATION
WARNINGS
WARNING: FIRE, BURN, IN­HALATION, AND EXPLOSION 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: 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.
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 can 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 Pr opane Gas Installation Code, CAN/ CGA B149.2. This instructs on the safe stor-
age 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 the Canadian Electrical Code, Part 1.
• Electrical grounding instructions — This appliance is equipped with a three-prong (grounding) plug for your protection against shock hazard and should be plugged directly into a properly grounded three­prong receptacle or extension cord.
• Approved by the New York City Fire De­partment under Certificate of Approval #4953. To be used only at construction site with applicable New Y ork City Codes, Regu­lations, Rules, Directives, Permits, etc.
• This product has been approved for use in the Commonwealth of Massachusetts.
• This heater produces carbon monoxide, which is listed by the State of California as a reproductive toxin under Proposition 65.
• 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 one-square-foot opening of fresh, outside air.
• 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 in basement or 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. Dust is combustible.
• 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 with hose speci­fied by manufacturer 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. You must wait 15 minutes after turning heater off.
• To prevent injury, wear gloves when han­dling heater.
• Never attach duct work to front or rear of 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.
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OWNER’S MANUAL
PRODUCT IDENTIFICATION
Hot Air Outlet (Front)
Piezo Ignitor Button
Automatic Control Valve Button
Figure 1 - 30,000 BTU/Hr Model
Outer Shell
Handle
Motor
Power Cord
Hose/Regulator Assembly
UNPACKING
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.
FUNDAMENTALS OF OPERATION
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.
Clean Heated Air Out (Front)
Combustion Chamber
Air For Combustion Air For Heating
Figure 2 - Cross Section Operational View
Fan
Motor
Cool Air In (Back)
Hose/ Regulator Assembly
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30,000 BTU/Hr
PROPANE CONSTRUCTION HEATER
ASSEMBLY
1. Remove screw from top of fan guard. Discard screw.
2. Insert nut clip (provided with handle) with flat side facing up through slot in top of shell. Align holes in nut clip with screw hole behind slot in top of shell. (see Figure 4).
3. Place handle over hole and clip. In­sert two screws (provided with handle) through handle and tighten into shell. Make sure rear screw goes through shell and into fan guard. Tighten screws firmly.
Remove Screw
Figure 3 - Removing Screw from Top of Fan Guard
Flat Side Facing Up
Slot
Figure 4 - Installing Nut Clip
Nut Clip
Nut Clip
Shell
Screws
Handle
PROPANE SUPPLY
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).
Average Temp (°F) No. Of Tanks At Tank Location (100-pound)
40° 1 32° 1 20° 1 10° 1
0° 1
-10° 2
-20° 2
INSTALLATION
WARNING: Review and un-
derstand the warnings in the
Safety Information
2. They are needed to safely op­erate this heater. Follow all local codes when using this heater.
section, page
1. Provide propane supply system (see Propane Supply).
2. Connect POL fitting on hose/regulator assembly to propane tank(s). Turn POL fitting counterclockwise into threads on tank. Tighten firmly using wrench.
IMPORTANT:
that hose leaving the regulator is in a horizontal position (see Figure 6). This places the regulator vent in the proper position to protect it from the weather.
3. Connect hose to valve inlet (see Figure
7). Tighten firmly using a wrench.
IMPORTANT:
ing if needed. Install extra hose or pip­ing between hose/regulator assembly and propane tank. You must use the regulator supplied with heater.
4. Open propane supply valve on propane tank(s) slowly. Note: If not opened slowly , excess-flow check valve on pro­pane tank will stop gas flow. You may hear a click from the excess-flow check valve closing. If this happens, reset the excess-flow check valve by closing 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.
6. Close propane supply valve.
Propane Supply Valve
Propane Tank
Figure 6 - Regulator Position
Position regulator so
Use extra hose or pip-
Regulator
Hose
POL Fitting
Figure 5 - Attaching Handle
Rear of 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.
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Figure 7 - Hose and Inlet Connector
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OWNER’S MANUAL
VENTILATION
WARNING: Provide at least a one 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.
OPERATION
WARNING: Review and un-
derstand the warnings in the
Safety Information
2. 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 three­prong, 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 ft long, use 18 AWG
rated cord.
• 51 to 100 ft long, use 16 AWG
rated cord.
• 101 to 200 ft 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.
5. Open propane supply valve on propane tank(s) slowly. Note: If not opened slowly , excess-flow check valve on pro­pane tank will stop gas flow. You may hear a click from the excess-flow check valve closing. If this happens, reset the excess-flow check valve by closing 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.
section, page
6. Push in and hold automatic control valve button (see Figure 8). Push piezo ignitor button (see Figure 8). Keep pushing ignitor button until the burner lights. When burner lights, keep auto­matic control valve button pushed in. Release button after 30 seconds. This activates the automatic control system.
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 this step.
Piezo Ignitor Button
Automatic Control Valve Button
Figure 8 - Automatic Control Valve Button and Piezo Ignitor Button
NOTICE:
power outage occurs while heater is running, the thermal limit de­vice will stop fuel flow. A few sec­onds occur before the thermal limit device activates. During this short time, flames may appear outside the heater. This is normal. The flames will go out when thermal limit device activates.
If heater is unplugged or
To Stop Heater
1. Tightly close propane supply valve on propane tank(s).
2. Wait a few seconds. Heater will burn gas left in supply hose.
3. Unplug heater.
To Restart Heater
1. W ait five minutes after stopping heater.
2. Repeat steps under To Start Heater.
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