CF26PT
VENT-FREE PROPANE/LP BAY FRONT FIREPLACE
INSTALLATION
Continued
CONNECTING TO GAS SUPPLY
WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pressure regulator.
WARNING: A qualified ser- vice person must connect fire- place to gas supply. Follow all local codes.
CAUTION: Never connect fire- place directly to the propane/LP supply. This fireplace requires an external regulator (not sup- plied). Install the external regula- tor between the fireplace and pro- pane/LP supply.
The installer must supply an external regu- lator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 and 14
Installation must include a equipment shutoff valve, union, and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from fireplace (see Figure 21).
IMPORTANT: Install equipment shutoff valve in an accessible location. The equip- ment shutoff valve is for turning on or shutting off the gas to the appliance.
Apply pipe joint sealant lightly to male NPT threads. This will prevent excess sealant from going into pipe. Excess sealant in pipe could result in clogged fireplace valves.
Propane/LP
Supply
Tank
External
Regulator
Vent
Pointing
Down
Figure 20 - External Regulator with Vent Pointing Down
CAUTION: Use pipe joint seal- ant that is resistant to liquid pe- troleum (LP) gas.
We recommend that you install a sediment trap in supply line as shown in Figure 21 . Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and heater. Locate sedi- ment trap where trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps them from going into fireplace controls. If sediment trap is not installed or is installed wrong, fireplace may not run properly.
inches of water. If you do not reduce incom- ing gas pressure, fireplace regulator damage could occur. Install external regulator with the vent pointing down as shown in Figure
20.Pointing the vent down protects it from freezing rain or sleet.
CAUTION: Use only new, black iron or steel pipe. Inter-
| Gas |
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| Control | CSA | |
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| Equipment Shutoff Valve | |
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| With 1/8" NPT Tap* | |
I |
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H |
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LO |
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O |
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N | F |
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O | F |
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TOL | P |
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| Approved Flexible |
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| Gas Hose |
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| From External |
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| Regulator |
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| (11" W.C.** to |
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| 3" Minimum | 14" W.C. |
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| Pressure) |
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| Cap Pipe | Tee |
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| Nipple | Joint |
Figure 21 - Gas Connection | Sediment Trap |
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*Purchase the optional CSA
**Minimum inlet pressure for purpose of input adjustment.
For more information, visit www.desatech.com | 12 | 107187 |