INSTALLATION
Connecting Equipment shutoff Valve To Heater Control (Cont.) Checking Gas Connections
19
INSTALLATION
Continued
2.Route flexible gas line, included, from fireplace control to equipment shutoff valve through side or rear access holes in outer casing.
3.Apply pipe joint sealant lightly to male threads of gas connec- tor attached to flexible gas line/equipment shutoff valve (see Figure 32).
CAUTION: Avoid damage to regulator. Hold gas regulator with wrench when connecting it to gas piping and/or fittings
CAUTION: Avoid damage to gas control. Hold gas control with wrench when connecting it to gas piping and/or fittings
4.Check all gas connections for leaks. See Checking Gas Con- nections.
5.Replace branch support back into fireplace. Feed flexible gas line into fireplace base area while replacing branch support. Make sure the entire flexible gas line is in fireplace base area. Reat- tach branch support to fireplace with screws removed in step 1.
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 leak. Apply a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak. Correct all leaks at once.
CAUTION: Make sure external regulator has been installed between propane/LP supply and fireplace. See guidelines under Connecting to Gas Supply, pages 17 and 18.
Pressure Testing gas Supply Piping system
Test Pressures In Excess Of 1/2 PSIG (3.5 kPa)
1. Disconnect appliance with its appliance main gas valve (control |
valve) and equipment shutoff valve from gas supply piping sys- |
tem. Pressures in excess of 1/2 psig will damage heater regulator. |
To Gas Regulator (Thermostat- Controlled Models) or Control Valve
➞
Flexible Gas Line from Fireplace Gas Regulator Provided With Fireplace
Equipment
Shutoff Valve
➞ | PROPANE/LP |
| |
| To External |
| Regulator |
| NATURAL |
| To Gas Supply |
2. | Cap off open end of gas pipe where equipment shutoff valve |
| was connected. |
3. | Pressurize supply piping system by either opening propane/LP sup- |
| ply tank valve for propane/LP gas or opening main gas valve lo- |
| cated on or near gas meter for natural gas, or using compressed air. |
4. | Check all joints of gas supply piping system. Apply noncorrosive |
| leak detection fluid to all joints. Bubbles forming show a leak. |
5. | Correct all leaks at once. |
6. | Reconnect fireplace and equipment shutoff valve to gas sup- |
| ply. Check reconnected fittings for leaks. |
Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)
1.Close equipment shutoff valve (see Figure 33).
2.Pressurize supply piping system by either opening propane/LP sup- ply tank valve for propane/LP gas or opening main gas valve lo- cated on or near gas meter for natural gas, or using compressed air.
Figure 32 - Attaching Flexible Gas Line to Equipment Shutoff Valve
Equipment |
| Open |
| ||
Shutoff Valve |
|
|
|
|
Closed
Figure 33 - Equipment Shutoff Valve
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