Desa TD120, TD123, TD121, TD129, TD124 User Manual

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Heat-N-Go Portable

Propane/LP Heater

Owner’s Manual

WARNING: For

outdoor use only.

MODELS TD120, TD121, TD122, TD123, TD124, TD129

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.

FOR YOUR SAFETY

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

FOR YOUR SAFETY

If you smell gas:

1.Shut off gas to the appliance.

2.Extinguish any open flame.

3.If odor continues, immediately call your gas supplier.

Save this manual for future reference.

For more information, visit www.desatech.com

WARNING: Improper installation, adjustment, alteration, service or maintenance can cause injury, property damage, or death. Read the installation, operating, and maintenance instructions thoroughly before installing or servicing this equipment.

Table of Contents

Specifications.......................................................

2

Storage.................................................................

9

Safety...................................................................

2

Servicing..............................................................

9

Propane/LP Safety...............................................

4

Replacement Parts...............................................

9

Unpacking............................................................

4

Technical Service.................................................

9

Assembly..............................................................

5

Parts...................................................................

10

Operation.............................................................

8

Warranty.............................................................

12

Specifications

Rating: 21,000 Btu/hr (6.15 kW)

Type of Gas: Propane/LP Only

Gas Supply Pressure to regulator: Maximum - 150 psi (1034.2 kPa), Minimum - 5 psi (34.5 kPa)

Gas Supply Pressure Regulator out: 11" W.C. (2.74 kPa)

Ignition: Piezo Ignition

Fuel Consumption: 1.07 lbs./hr (0.49 kg/hr)

Flame Safety: Thermocouple Operated Gas Valve

Safety

WARNING:Thisproductcontainsand/orgenerateschemicals known to the State of California to cause cancer or birth defects, or other reproductive harm.

WARNING: Not for home or recreational vehicle use.

WARNING: Fire, burn, inhalation, and explosion hazard. Keep solid combustibles, such as building materials, paper or cardboard, a safe distance away fromtheheaterasrecommended 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.

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: Direct-Fired means that all of the combustion products enter the heated space. Even though this heater operates very close to 100 percent combustion efficiency, it still produces small amounts of carbon monoxide. 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.

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Safety

Continued

This is a propane, direct-fired heater. Propane is heavier than air. If propane leaks from a connection or fitting, it sinks to the floor, collecting there with the surrounding air, forming a potentially explosive mixture. Obviously, propane leaks should be avoided, so set up the propane supply with utmost care. Read

Propane/LP Safety, page 4 for additional information about detecting propane leaks. Leak check new connections or reconnections with a soap and water solution and follow all connection instructions herein.Also, ask your propane dealer for advice on the propane application and supply installation and ask them to check it if there are any questions.

When the heater is to be operated in the presence of other people the user is responsible for properly acquainting those present with the safety precautions and instructions, and of the hazards involved.

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.

1.Check the heater thoroughly for damage. DO NOT operate a damaged heater.

2.DO NOT modify the heater or operate a heater which has been modified from its original condition.

3.Use only propane/LP gas.

4.Use 20 lb. propane/LP tank or larger.

5.Use only VAPOR WITHDRAWAL propane supply. The propane cylinder must be arranged for vapor withdrawal, in accordance with the Compress Gas Associations, Small Propane Bottle Assembly. If there is any question about vapor withdrawal, ask your propane dealer.

6.Always fully assemble heater before each use. Do not use this heater without securing fuel tank as instructed. Minimum clearance from fuel tank to ground is 2".

7.Use only the hose and regulator assembly provided with the heater.

8.Inspect hose assembly before each use of the heater.Ifthereisexcessiveabrasionorwear, or hose is cut, replace with hose assembly listed on parts list before using heater.

9.This heater is for OUTDOOR USE ONLY, even so, make sure that there is ample fresh air ventilation. Do not use in buildings, garages or other enclosed spaces.

10.If at any time gas odor is detected, IMMEDIATELY DISCONTINUE operation until the source of gas has been located and corrected. Read Propane/LP Safety, page 4 for additional information about detecting propane leaks.

11.Install the heater such that it is not directly exposed to water spray, rain and/or dripping water.

12.Maintain minimum clearance to people or normal combustible material (like paper) of 3.6 ft. (1,100 mm) from top and 2 ft. (609 mm) from the reflector.

13.Operate only on a stable, level surface.

14.Do not spray aerosols near the heater during use or shortly thereafter.

15.Do not clean heater with combustible or corrosive cleaners. Use warm, soapy water on external surfaces only. Do not submerge in water.

16.Check control compartment burners and circulation air passageways for free air passage, make sure that there are no obstructions. These areas are a common location for spider webs, which can present a dangerous condition, damage the heater and render it unsafe for use. The heater must be checked if any of the following conditions exist:

a)Gas smell.

b)Heater does not reach temperature.

c)Uneven burner glow.

d)Burnermakespoppingnoisesduringnormal use, other than during shutdown.

17.Use only soapy water (1 part liquid dish washing detergent to 3 parts water) to conduct leak tests whenever a propane cylinder is connected. Bubbles indicate a leak.

18.Do not adjust gas regulator. If you are unsure of your appliances gas type or pressure, call a qualified service person.

19.Always disconnect the gas supply after the heater is turned "OFF".

20.Do not move, handle or service while hot or burning.

21.Allow 45 minutes to cool down after use before attempting to move heater.

22.Do not operate this appliance in windy conditions. Maximum allowable wind speed is 10 mph (16 Km/h).

23.Do not operate this appliance in temperature conditions below 40° F (5° C).

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Safety

Continued

24.Keep heater away from areas where flammable liquids, vapors or solids are stored or used.

25.If operated in salt air environments, the unit will require more frequent cleaning; otherwise, the longevity of the unit will deteriorate rapidly. Use warm soapy water to clean the unit.

26.Items or material, when stored under the heater, will be subjected to radiant heat and could be seriously damaged.

Any guard or other protective device removed for servicing must be replaced prior to operating the heater.

Surface temperatures become very hot when operating heater. Children andadultsshouldstayawaytoavoid burns or clothing ignition.

Young children should be carefully supervisedwhentheyareinthearea of the heater.

Clothing or other flammable materials should not be hung from the heater, or placed on or near heater.

Installation and repair should be done by a qualified service person.

The heater should be inspected before use and at least annually by a qualified service person. More frequent cleaning may be required as necessary. It is imperative that control compartments, burners and circulating air passageways of the heater be kept clean.

CAUTION: The gas pressure regulator provided with this appliance must be used. This regulatorissetforanoutputpressure of 11" W.C. (2.74 kPa).

Propane/LP Safety

WARNING: For outdoor use only.

Asphyxiation Hazard

Do not use this heater for heating human or animal living quarters.

Do not use in unventilated areas.

The flow of combustion and ventilation air must not be obstructed.

Proper ventilation air must be provided to support the combustion air requirements of the heater being used.

Refer to the Specifications, page 2, heater data plate or contact DESA Heating Products to determine combustion air ventilation requirements of the heater.

Lack of proper ventilation air will lead to improper combustion.

Improper combustion can lead to carbon monoxide poisoning leading to serious injury or death. Symptom of carbon monoxide poisoning can include headaches dizziness and difficulty in breathing.

Unpacking

When assembling for the first time, be sure to remove all packaging from the components prior to beginning assembly.

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Assembly

1.Install threaded poles into triangular base as shown in Figure 1. Be sure to seat poles fully inside base.

2.Install lower legs by pressing push tab release and inserting into upper pole (see Figure 2). Be sure push button is locked in place.

3.Install 3 feet to lower legs as shown in Figure 3. Be sure to tighten wing bolt after installation.

4.Install tank straps to propane/LP gas cylinder as shown in Figure 4. Length of strap from tank flange to end of clip should be between 9" and 10" from tank flange.

This should maintain a 2" minimum clearance from bottom of propane/LP tank to ground.

Wing Nut On

Inside of Foot

Figure 3 - Installing Feet to Lower Poles

Figure 1 - Base and Pole Assembly

Push Tab

Release

Push Tab

Release in Hole

of Upper Pole

9"-10"

Figure 2 - Installing Lower Legs into

Upper Poles

Figure 4 - Attaching Tank Straps

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Desa TD120, TD123, TD121, TD129, TD124 User Manual

Assembly

Continued

5.Install tank straps to base as (see Figure 5).

6.Install tank restraint to tank and fasten restraint straps around legs as shown in

Figure 6.

7.Install the tank cover (see Figure 7).

8.Assemble reflector with small wing nuts and bolts as shown in Figure 8.

9.Install reflector over post on top of burner assembly. Install reflector cap over post. Attach reflector and reflector cap using large wing nuts (see Figure 9).

Min. 2" from Tank to Ground

Figure 5 - Attaching Tank Straps to Base

Figure 6 - Tank Restraint Straps

Figure 7 - Tank Cover

Wing Nuts

and Bolts

Figure 8 - Reflector Assembly

Bolts on

Top of

Burner

Assembly

Reflector

Cap

Wing

Nut

Figure 9 - Attaching Reflector and Reflector Cap to Burner Assembly

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Assembly

Continued

10.Inspect length of gas hose on bottom of burner assembly for any cracks, cut, holes or excessive wear. Do not use heater if hose is damaged.

11.Sliding hose into upper pole, install burner and reflector assembly to base (see Figure 10).

12.Align hole in burner assembly pole with hole in upper pole (see Figure 10). Secure burner assembly to upper pole using a wing bolt. Be sure to tighten wing nut completely.

13.Lift tank cover. Install regulator hose to burner fuel line using wrenches provided in hardware bag (see Figure 11).

14.Securely connect regulator to propane/LP gas cylinder (see Figure 12). When connecting regulator assembly to tank valve, hand tighten nut clockwise to a positive stop. DO NOT use a wrench to tighten.

Use of a wrench may damage quick closing coupling nut and result in a hazardous condition.

15.Open cylinder valve.Apply a noncorrosive leak detection fluid to connections at regulator. Bubbles forming show a leak.

16.If leaks exist, turn off propane/LP cylinder valve. Disconnect leaking connection. Check and clean connection. Reconnect regulator and leak check again.

17.If no leaks are present, pull cover down over tank and legs. Unit is now ready to light.

Figure 11 - Attaching Regulator Hose to Burner Fuel Line

Align Hole

in Burner

Assembly

With Hole in

Upper Pole

Figure 12 - Connecting Regulator to

Propane/LP Gas Tank

Figure 10 - Burner Installation

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Operation

WARNING: If you smell gas:

Shut off gas to the appliance.

Extinguish any open flames.

If odor continues, immediately

call your gas supplier.

See safety warnings and precautions starting on the front page of this manual for more information.

Before You Use Your Heater

1.Move heater to an open area.

2.Make sure tank valve is in its full off position (turn clockwise to stop).

3.Check tank valve features to ensure it has proper external mating threads. (Tank valve marked USE WITH TYPE 1.)

4.Never attempt to use any components that have been damaged or exposed to an accidental fire.

The connection provided with this heater incorporates two important features: Temperature Activated Shutoff and Excess Flow Control.

Match Hole

Control

Valve

Button

Ignitor

Button

TO LIGHT

1.Open the main gas supply valve on propane cylinder.

2.Open manual valve.

3.Press and hold silver control valve button for 3 seconds. While holding valve button, press red igniter button until the burner is lit (may require pushing more than once).

Continue to hold the heater control valve for 30 seconds then release.

4.TOMATCHLIGHT:Insertflameintomatch hole near burner. Press and hold control valve button until flame is lit. Continue to hold valve button for 30 seconds.

IMPORTANT: Smoke and odor (not a gas odor) emission may occur in the first 15 minutes of use. Run heater at high setting for at least 15 minutes to eliminate this problem.

WARNING: If you smell gas while in use, immediately press and turn control knob to the OFF position to shutdown heater.

TO SHUT DOWN

1.Shut off main gas supply.

2.Close manual valve.

3.Wait 5 minutes before relighting heater.

Manual Valve

Figure 13 - Control Valve and Ignitor Buttons

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