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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 Size Requirement Up to 50 feet (15 m) long, use 18 AWG rated cord. 51 to 100 feet (15.5 to 30.5 m) long, use 16 AWG rated cord. 101 to 200 feet (30.78 to 61 m) long, use 14 AWG rated cord. 4. Plug extension cord into a 120 volt/60 hertz, three-hole, grounded outlet. 5. Open propane/LP supply valve on propane/LP tank(s) slowly. Note: If not opened slowly, excess-flow check valve on propane/LP tank will stop gas flow. If this happens, you may hear a click inside the regulator assembly. To reset the excess flow check valve, close propane/LP supply valve and open again slowly. 6. Adjust variable Btu control knob fully clockwise to LO. 55, 85, 125 Models Only 7. Press and hold in gas valve button. Heater should ignite within a few seconds. Note: If heater fails to ignite, hose may have air in it. If so, keep gas valve button pressed and wait 20 seconds. Release gas valve button and wait 20 seconds for unburned fuel to exit heater. Repeat step 6. 8. After heater ignites, wait 30 seconds. This activates the automatic control system. Release the gas control valve button. 170 Models Only 9. Adjust thermostat to desired setting. If heater does not start, thermostat setting may be too low. Turn thermostat knob to higher position to start heater. Note: If heater does not start, unplug heater. Wait ten seconds for safety control to reset, plug in heater, then try again. All Models 10. When burner remains lit, set heater to the desired heat level by turning the variable Btu control knob counterclockwise. If burner goes out, turn off gas. Turn variable Btu control knob fully clockwise to the lowest position. Check fuel supply. If adequate fuel is available, restart heater beginning at step 1. To Stop Heater 1. Tightly close propane/LP supply valve on propane tank(s). 2. Wait a few seconds. Heater will burn gas left in supply hoses. 3. Unplug heater. To Restart Heater If safety control stops gas flow to heater, motor will continue to run. 1. Unplug heater. 2. Wait ten seconds. Plug heater in. If heater does not restart A. Check supply valves (on propane/LP tank). Make sure they are open. B. Check fuel level in propane/LP tank(s). If fuel level is too low, contact local propane/ LP gas company. If heater still does not restart, contact your local service center. Storage CAUTION: Disconnect heater from propane supply tank(s). 1. Store propane/LP tank(s) in safe manner. See chapter 5 of Standard for Storage and Handling of Liquefied Petroleum Gases, ANSI/NFPA 58 and the Natural Gas and Propane Installation Code CSA B149.1. Follow all local codes. 2. Place plastic cover caps over brass fittings on inlet connector of heater and hose/regulator 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, a...

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