CONNECTING | IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping | |||||
and/or fittings. |
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TO GAS | Note: Burner bracket | |||||
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SUPPLY |
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| Pressure | not shown for clarity | ||
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| Regulator |
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Continued |
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| 1/2" NPT |
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| Pipe Nipple |
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| Ground Joint | Heater | |
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| Cabinet | ||
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| Union | ||
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| Tee Joint |
| Manual | |
| Test |
| Reducer |
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| Shutoff | |||
| Gauge |
| Bushing to |
| Valve * | |
| Connection * | 1/8" NPT |
| From | ||
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| 1/8" NPT | External | ||
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| Plug Tap | Regulator | ||
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| Tee Joint | (11" W.C. to 14" W.C. Pressure) | ||
| Sediment |
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| Pipe | 3" Minimum |
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| Trap |
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| Nipple |
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| Cap | Figure 13 - Gas Connection |
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*An A.G.A. design certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional A.G.A. design certified manual shutoff valve from your dealer. See Accessories, page 27.
CHECKING | WARNING |
GAS |
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Test all gas piping and connections for leaks after installing or | |
CONNECTIONS | servicing. Correct all leaks at once. |
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| WARNING |
| 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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