Assessments - 1, GPA: 3
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Unvented Liquid Propane Fired Room Heater 8 Installation Instructions and Owner’s Manual Pressure Regulator Heater Cabinet Ground Joint Union Equipment Shutoff Valve From LP tank (11” W.C. to 14” W.C. Pressure) Tee Joint 1/8” NPT Plug Tap Cap Pipe Nipple Tee Joint 3/8” NPT Pipe Nipple Sediment Trap Test Gauge Connection Reducer Bushing to 1/8” NPT 3” Minimum Figure 12 CHECKING GAS CONNECTIONS WARNING: Test all gas piping and connections for leaks after installing or servicing. Correct all leaks at once. WARNING: Never use an open flame to check for a gas leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once. PRESSURE TESTING GAS SUPPLY PIPING SYSTEM High Pressure Test pressure in Excess of . psig (3.5kPa) 1. Disconnect appliance with its appliance main gas valve (control valve) and equipment shutoff valve from gas supply piping system. Pressures in excess of . psig will damage heater regulator. 2. Cap off open end of gas pipe where equipment shutoff valve was connected. 3. Pressurize supply piping system by either using compressed air or opening main gas valve on or near gas meter. 4. Check all connections and joints in gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 5. Correct all leaks at once. 6. Depressurize and relieve pressure in supply piping system. 7. Reconnect heater and equipment shutoff valve to gas supply. 8. Reconnected fittings must be checked for leaks in next section. Low Pressure Test Pressure Equal To or Less Than . psig (3.5 kPa) 1. Close equipment shutoff valve (see figure 13). 2. Pressurize supply piping system by either using compressed air or opening propne/LP supply valve. 3. Check all joints from the propane/LP supply valve to equipment shutoff valve (see figure 14). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. 4. Correct all leaks at once. 5. Depressurize and relieve pressure from supply piping system. Pressure Testing Heater Gas Connections: 1. Make sure that the heater supply piping system is connected and has been leak tested as described above. 2. Make sure control knob of heater is in OFF position. Open Equipment Closed Shutoff Valve Figure 13 3. Open equipment shutoff valve (see figure 13). 4. Open propane/LP supply valve. 5. Check all joints from equipment shutoff valve to control valve (see figure 14). Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak. Control Valve To regulated propane source Equipment Shutoff Valve Figure 14 6. Correct all leaks at once. 7. Light heater (see Operating Your Heater, page page 10. Unvented Liquid Propane Fired Room Heater 9 Installation Instructions and Owner’s Manual 8. Turn off heater (see To Turn OFF Gas to Appliance, page 10. 9. Replace lower front panel. OPERATING YOUR HEATER FOR YOUR SAFETY READ BEFORE LIGHTING be depressed for about 30 seconds. This will allow air to bleed fr...
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