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Фрагмент инструкции
Regulate the natural gas supply down from a minimum 6 inches water column to a maximum of 1/2 psi. The natural gas supply capacity should be able to supply a minimum of 100 cubic feet of gas at pressure for each heater connected to the system. Consult your natural gas supplier for proper sizing of the natural gas supply lines. Follow all local ordinances and codes. In the absence of local ordinances and codes, refer to the National Fuel Gas Code Handbook, NFPA54/ANSI Z223.1 and the Natural Gas Installation Code, CAN/CGA B149.2. Figure 3 - Regulator With Vent Pointing Down Figure 4 - Hose and Valve Inlet 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 that must be corrected. Correct all leaks at once. Propane Tank Supply Valve Fuel Gas Fitting Hose Regulator Vent (pointing down) 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, close 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. Hose 6. Close propane supply valve (See page 4). NATURAL GAS MODEL 3VH19A 1. Provide natural gas supply system. 2. Install plumbing to a low pressure natural gas source. The source must be regulated to 1/2 psi maximum 3/4 inch i.d. hose or flexible connector not over 10 feet long. 3. Be sure to use thread sealing compound when connecting the hose to the heater at the 1/2 NPT fitting at the regulator inlet. Tighten all fittings with a wrench. Valve Inlet Figure 5 - Hose and Valve Inlet Hose Dayton Operating Instructions and Parts Manual 6 Dayton Propane and Natural Gas Construction Heaters ® 3VH18A and 3VH19A Operation Review and understand the warnings in the General Safety Information section. 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. Make sure unit is turned off by lightly depressing and turning control knob fully clockwise to OFF. 4. Open gas supply valve on gas supply 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. Slightly depress and turn control knob counterclockwise to the low position (See Figure 6 or 7). Figure 6 - Control Knob and Piezo Ignitor Button Locations for Propane Model 3VH18A Running heater below specified input rating may cause flashback. During flashback, the burner flame is mostly yellow. The flame will burn inside the burner tube, causing a roaring noise. If flashback occurs, turn heater off. After burner tube cools, restart the heater. 6. With the control knob pushed all the way in, press and release the piezo ignitor button. Keep pressing ignitor button until the burner lights. Hold control knob down for a maximum of 15 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. 7. After ignition, hold control knob down for approximately 30 seconds. This activates the automatic control system. 8. When burner remains lit, set heater at the desired heat level by slightly depressing the control knob and turning counterclockwise to the Medium or High settings (See Figure 6 or 7). 9. If burner goes out, turn off gas. Slightly depress and turn control knob fully clockwise to OFF. For propane model, check for adequate fuel supply. Restart heater beginning at Step #1. Off Position Start /Low Position HIGH MEDIUM OFF START/ LOW MEDIUM START/ LOW HIGH OFF HIGH MEDIUM Piezo Ignitor Button Control Knob Continue Turning Knob Counterclockwise to MED and HI 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 that must be corrected. Correct all leaks at once. Installation (Continued) Figure 7 - Control Knob and Piezo Ignitor Button Locations for Natural Gas Model 3VH19A 4. Open natural gas supply valve slowly. 5. Check all connections for leaks. HIGH STAR Off Position Start /Low Position HIGH MEDIUM OFF START/ LOW MEDIUM START/ LOW HIGH OFF Piezo Ignitor Button Control Knob 6. Close natural gas supply valve. Dayton Operating Instructions and Parts Manual Model 3VH18A - Propane Model 3VH19A - Natural Gas Troubleshooting Chart Never attempt t...
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