INSTALLATION
Continued
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 system. Pressures in excess of 1/2 psig will damage heater regulator.
2.Cap off open end of gas pipe where equip- ment shutoff valve was connected.
3.Pressurize supply piping system by either opening propane/LP supply 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 a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak.
5.Correct all leaks at once.
6.Reconnect heater and equipment shutoff valve to gas supply. 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 16). |
2. | Pressurize supply piping system by either |
| opening propane/LP supply 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. |
3. | Check all joints from gas meter for natural |
| gas (see Figure 17) or propane/LP supply tank |
4.Check all joints from equipment shutoff valve to thermostat gas valve (see Figure 17 or 18). Apply a noncorrosive leak detection fluid to all joints. Bubbles forming show a leak.
5.Correct all leaks at once.
6.Light heater (see Operating Heater, pages 14 through 17). Check all other internal joints for leaks.
7.Turn off heater (see To Turn Off Gas to Appli- ance, page 15 or 17 depending on your model).
8.Replace front panel.
Equipment | Open |
| |
Shutoff Valve |
|
| O |
| Closed |
| PO |
Figure 16 - Equipment Shutoff Valve
Thermostat Gas Valve
Gas
Meter
Equipment
Shutoff
Valve
Figure 17 - Checking Gas Joints for
Natural Gas
Thermostat Gas Valve
for propane/LP gas, to equipment shutoff |
valve (see Figure 18). Apply a noncorrosive |
leak detection fluid to all joints. Bubbles form- |
ing show a leak. |
4. Correct all leaks at once. |
Pressure Testing Heater Gas Connections
1. | Open equipment shutoff valve (see Figure 16). |
2. | For natural gas open main gas valve located |
| on or near gas meter. For propane/LP gas open |
| propane/LP supply tank valve. |
Propane/LP Supply Tank
Equipment |
Shutoff |
Valve |
3. Make sure control knob of heater is in the OFF |
position. |
Figure 18 - Checking Gas Joints for
Propane/LP Gas
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