Top Motorized Gas Valve
The valve sets the gas rate of 2,800,000 btu/hr (705,290 kcal/hr). To achieve this rate, the gas pressure must be set for 2.5-inches (63.5 mm) water column for natural gas and 1.25-inches (31.8 mm) water column for L.P. (liquid propane) gas. To adjust. loosen the pan head screw located on the front of the top motorized valve, while holding the valve body, turn the flow adjustment clockwise (CW) for less gas and counterclockwise (CCW) for more gas. Retighten the pan head screw when correct gas flow is achieved. There is a switch located on the back of the top gas valve that verifies valve closure. The burner controller module (BCM) will go into a system unsafe error and the burner will not begin a burner sequence.
2)Sequence of Operation
With dryer power on, a 120 volt signal is sent to terminal #1 and terminal #2 of the burner controller module (BCM). A power indicator light has been added to the controller base for troubleshooting.
a.Drying cycle is started
b.Dryer computer calls for heat.
