Desa 200 User Manual

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Variable

100,000, 150,000, and

200,000 Btu/Hr Models

PROPANE CONSTRUCTION CONVECTION HEATER

OWNER’S MANUAL

USH P TO START

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.

TABLE OF CONTENTS

SAFETY INFORMATION ............................................................ 2

PRODUCT IDENTIFICATION ..................................................... 3

UNPACKING............................................................................... 3

THEORY OF OPERATION ......................................................... 3

PROPANE SUPPLY.................................................................... 3

INSTALLATION........................................................................... 4

VENTILATION............................................................................. 4

OPERATION ............................................................................... 4

STORAGE................................................................................... 5

MAINTENANCE .......................................................................... 5

SPECIFICATIONS ...................................................................... 6

REPLACEMENT PARTS ............................................................ 6

ACCESSORIES .......................................................................... 6

TROUBLESHOOTING ................................................................ 7

ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST......... 8

OWNER’S REGISTRATION FORM............................................ 9

WARRANTY INFORMATION......................................Back Cover

Save this manual for future reference.

SAFETY INFORMATION

WARNINGS

WARNING: This product contains and/or generates chemicals known to the State of California to cause cancer or birth defects, or other reproductive harm.

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/CGA 2.14. 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 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 Petr oleum 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.

• This product has been approved for use in the Commonwealth of Massachusetts.

• Use only propane gas set up for vapor withdrawal.

• Provide adequate ventilation. Before using heater, provide at least a six-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.

• Keep heater away from strong drafts, wind, water spray , rain, or dripping water.

• Do not use heater in occupied dwellings or in living or sleeping quarters.

• Do not use heater in a basement or below ground level. Propane gas is heavier than air. If a leak occurs, propane gas may sink to the lowest possible level.

• Keep appliance area clear and free from combustible materials, gasoline, paint thinner, and other flammable vapors and liquids. Dust is combustible. Do not use heater in areas with high dust content.

• Minimum heater clearances from combustibles: Sides: 3 feet, Top: 7 feet.

• Keep heater at least six feet from propane tank(s).

• Keep propane tank(s) below 100° F.

• Check heater for damage before each use. Do not use a damaged heater.

• Use only the hose and factory preset regulator provided with the heater.

• Check hose before each use of heater. If highly worn or cut, replace with hose specified by manufacturer before using heater.

• Do not alter heater. Keep heater in its original state.

• Do not use heater if altered.

• Locate heater on stable and level surface if heater is hot or operating.

• Not intended for use on finished floors.

• Never block air inlet (bottom of shell) or air outlet (around top of shell) of heater.

• Do not leave heater unattended.

• Keep children and animals away from heater.

• Never move, handle, or service a hot or operating heater. Severe burns may result. Wait 15 minutes after turning heater off.

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SAFETY INFORMATION

PRODUCT IDENTIFICATION

UNPACKING

THEORY OF OPERATION

PROPANE SUPPLY

SAFETY INFORMATION

Continued

• To prevent injury, wear gloves when handling heater.

• Never attach duct work to heater.

• Turn off propane supply to 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.

PRODUCT IDENTIFICATION

Top

Shell

Ignitor Electrode

Thermocouple

Piezo Ignitor Button

Hose/ Regulator Assembly

S U P

T R A

S O T

Valve Inlet

Figure 1 - Product Identification

Control Knob

Base

UNPACKING

1. Remove all packing items applied to heater for shipment. Keep plastic cover caps (attached to valve inlet 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.

THEORY OF OPERATION

The Fuel System: The hose/regulator assembly attaches to the

propane gas supply. This provides fuel to the heater.

The Ignition System: The piezo ignitor lights the burner fuel supply. The Automatic Control System: The automatic control valve shuts

off the heater if the flame goes out.

PROPANE SUPPLY

You must provide propane gas and tank(s). 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 liquid propane gas in tank(s)

2. The temperature of tank(s)

The chart below shows the minimum number of 100-pound tanks needed to run the heater. Connect tanks together with a manifold. Do not operate this product with any tank smaller than 100 pounds.

Average Temp. (°F) Number Of

At Tank Location Tanks

60° 2 40° 2 32° 2 20° 2 10° 3

0° 3

Less gas is vaporized at lower temperatures. Two or more 100-pound tanks or one larger tank may be needed in colder weather. Your local propane gas dealer will help you select the proper supply system.

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VENTILATION

INSTALLATION OPERATION

To Start Heater

VENTILATION

WARNING: Provide at least a 6 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.

FRESH OUTSIDE AIR OPENING REQUIREMENTS

HEATER SIZE SQ. FT. OPENING

200,000 Btu/Hr 6.0

INSTALLATION

WARNING: Review and understand the warnings in the

Safety Information

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.

section, pages 2 and 3. They

Fuel Gas

Propane

Fitting

Supply Valve

Vent (pointing down)

Propane Tank

Figure 2 - Regulator With Vent Pointing Down

Valve Inlet

Hose

Figure 3 - Hose and Valve Inlet

OPERATION

Hose

Regulator

1. Provide propane supply system (see Propane Supply, page 3).

2. Connect fuel gas fitting on hose/regulator assembly to propane tank(s). Turn fuel gas fitting counterclockwise into threads on tank. Tighten firmly using a wrench.

IMPORTANT:

Tighten regulator with vent pointing down. Pointing vent down protects regulator from weather damage.

3. Connect hose to the valve inlet. Tighten firmly using a wrench. You must use the regulator supplied with heater even if propane tank has one.

4. Open propane supply valve on propane tank(s) slowly.

Note:

If not opened slowly , excess-flow check valve on propane tank may stop gas flow. If this happens, you may hear a click inside the regulator assembly, this is the check valve closing. To reset the excess-flow check valve, close propane supply valve and open it 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.

WARNING: Review and understand the warnings

in the

Safety Information

section on 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 on heater.

3. Open propane supply valve on propane tank(s) slowly. If not opened slowly , excess-flow check valve on propane tank may stop gas flow . If this happens, you may hear a click inside the regulator assembly, this is the check valve closing. To reset the excess-flow check valve, close propane supply valve and open it again slowly.

4. Turn control knob clockwise to the lowest position and push in (see Figure 4, page 5).

5. With the control knob pushed all the way in, press and release the piezo ignitor button (see Figure 4, page 5). Keep pressing piezo ignitor button until the burner lights. Hold control knob down for a maximum of 10 seconds while attempting ignition. If heater does not ignite, release control knob and wait 3 minutes before attempting reignition.

Note:

Keep hands and face away from outlet (around top of shell)

of heater while attempting to start heater.

Note:

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