PDX Series
PDX SERVICE PROCEDURE VI
Gas Control & Thermal Well Testing
and Replacement
Gas Control Assembly to Thermal Well
Step 1. Install threaded end of thermal well into tank. Be sure thermal well flange is positioned as shown in photo 24 for proper control alignment.
Step 2. Route wire leads back into relief opening. (see photo 24)
Step 3. Align slots located on thermal well flange with tabs located on back of gas control (see photo 24 & 25)
Thermal well flange slots
Step 4. Carefully push control back onto thermal well flange as far as possible towards water heater. Slide control down to lock into position.
Step 5. Install burner and connect pilot tubing and feedline nut to gas control.
24
25
Route wires through relief opening
Gas control Tabs
Igniter/sensor connection
Ground Wire connection
5 pin blower harness connection
Step 6.
Step 7.
Step 8.
3 pin
thermal well connection
Reconnect wire harnesses to gas control per the illustration.
Reconnect gas piping to gas control. Restore gas supply and check for gas leaks.
To resume operation, follow the instruction located on the lighting instruction label or the lighting instruction located in the installation and operation manual.
Flammable Vapor
Sensor
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