OPERATING INSTRUCTIONS. DeWalt HS4000 NG, F340730, DXH170FAVT

Attention—Critical Points to Remember!

• Propane (LP) gas has a distinctive odor. Learn to recognize these odors.

(Reference Fuel Gas Odor and Odor Fading sections above.

• Even If you are not properly trained in the service and repair of the heater, ALWAYS be consciously aware of the odors of propane (LP) gas and natural gas.

• If you have not been properly trained in repair and service of propane

(LP) gas then do not attempt to light heater, perform service or repairs, or make any adjustments to the heater on the propane (LP) gas fuel system.

Operating Instructions

PREPARING FOR OPERATION

1. Check the heater for possible shipping damage. If any is found,

immediately notify the factory.

2. Follow all of the “Precautions”.

3. Connect the POL fitting of hose and regulator assembly to the propane cylinder by rotating the POL nut counterclockwise into the propane cylinder’s valve outlet and securely tighten with a wrench.

4. Connect the hose to the heater by rotating the hose fitting clockwise.

5. Securely tighten all gas connections.

6. Open the cylinder’s gas valve and check all gas connections with a soap and water solution. DO NOT USE A FLAME.

7. Connect power cord to well-grounded 115V, 60 Hz, 1Ø source of power.

8. When using an extension cord, make certain that it is a 3-wire (grounded) cord of proper wire size.

START

1. Slowly open the main valve at propane cylinder to prevent excess flow check valve from closing.

2. Set thermostat to full on. Heater will ignite automatically.

3. Adjust ball valve on control panel to desired burn rate.

4. Set thermostat to desired temperature. Heater will turn off and on automatically as the temperature varies in the heated area.

STOP

1. Securely close valve on the propane cylinder.

2. Continue to operate heater until all fuel in the hose has burned.

3. Turn the heater thermostat to “off”. For extended shut down or in areas where the temperature is below 0°F, unplug the heater.

RESTART AFTER SAFETY SHUTDOWN

1. Securely close valve at propane cylinder. Unplug heater.

2. Wait 5 minutes.

3. Restart following “Start” procedure.

MAINTENANCE AND STORAGE

1. The heater should be inspected before each use, and at least annually by a qualified person.

2. Before each use, check the soft “O” ring seat at the bullnose of the POL fitting.

If the “O” ring is cut, scuffed, or otherwise damaged, replace it with part number

6681.

3. Turn off the gas at the LP-gas supply cylinder(s) when the heater is not in use.

4. When the heater is to be stored indoors, the connection between the LP-gas supply cylinder(s) and the heater must be disconnected and the cylinder(s) removed from the heater and stored out of doors and in accordance with

Chapter 5 of the standard for Storage and Handling of Liquefied Petroleum

Gases ANSI/NFPA 58 and CSA B149.1, Natural Gas and Propane Installation

Code.

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