CONNECTING IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping | ||
and/or fittings. |
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TO GAS |
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SUPPLY |
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Continued |
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Pressure Regulator |
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Regulator Bracket |
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Heater | 1/2" NPT | |
Pipe Nipple | ||
Cabinet | Ground Joint | |
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| Tee Joint | Union |
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Test | Reducer | Manual Shutoff Valve * |
Gauge | Bushing to |
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Connection * | 1/8" NPT | From |
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| 1/8" NPT | |
| External Regulator | |
| Plug Tap | (11" W.C. to 14" W.C. Pressure) |
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| Tee Joint |
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Sediment | Pipe | 3" Minimum |
Trap |
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Nipple |
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| Cap |
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| Figure 14 - Gas Connection |
*An AGA design certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional AGA design certified manual shutoff valve from your dealer. See Accessories, page 31.
CHECKING | WARNING | |
GAS | ||
Test all gas piping and connections for leaks after installing or | ||
CONNECTIONS | servicing. Correct all leaks at once. | |
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| WARNING | |
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| 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. | |
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CAUTION
Make sure external regulator has been installed between propane supply and heater. See guidelines under Connecting to Gas Sup- ply, page 14.
PRESSURE TESTING GAS SUPPLY PIPING SYSTEM
Test Pressures In Excess Of 1/2 PSIG
1.Disconnect heater and its individual manual shutoff valve from gas supply piping system. Pressures in excess of 1/2 PSIG will damage heater regulator.
2.Cap off open end of gas pipe where manual shutoff valve was connected.
Continued 15
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