INSTALLATION
Continued
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 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, page 13).
2.For natural gas open main gas valve located on or near gas meter. For propane/LP gas open propane/LP supply tank valve.
3.Make sure control knob of heater is in the OFF position.
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, starting on page 15). Check all other internal joints for leaks.
7.Turn off heater (see To Turn Off Gas to Appli- ance, page 16 or 17, depending on your model heater).
8.Replace front panel.
Thermostat Gas Valve
Gas |
Meter |
Equipment Shutoff Valve |
Figure 17 - Checking Gas Joints for
Natural Gas
Thermostat Gas Valve
Propane/LP |
Supply Tank |
Equipment Shutoff Valve |
Figure 18 - Checking Gas Joints for
Propane/LP Gas
14 | www.desatech.com |
