Removing Gas Valve And Manifold Assembly; Removing Neon Indicator - Space-Ray ADU25 Installation And Operation Instruction Manual

18.6) REMOVING GAS VALVE AND MANIFOLD ASSEMBLY

Fig. 43
1. Remove the screws securing the cover panel to the Ignition Control Module and disconnect the 12 way
Molex electrical connector.
2. Disconnect the white HT ignition spark/flame sensor lead from the ignition module.
3. Disconnect the green/yellow wire from the grounding tab of gas valve.
4. Unscrew the two M4x25 setscrews from the burner bracket and remove the burner clamp.
5. Unscrew the burner and slide it away from the valve.
6. Unscrew the M4 screw securing the valve bracket to the control valve and remove the grommet.
7. Slide out the complete assembly of gas valve, ignition module and manifold.
After replacing the Control Valve, check the gas pressures in accordance with Section 11.0 of this manual.
IMPORTANT: TEST FOR GAS SOUNDNESS USING A SUITABLE LEAK DETECTION FLUID.

18.7) REMOVING NEON INDICATOR

Fig. 44
1. Disconnect the electrical leads from the Neon Indicators by gently pulling the connectors, using pliers.
2. Remove the star washers.
3. Press the neon indicator out through the mounting hole in the floor of the control box.
When replacing a Neon Indicator, connect the electrical leads in accordance with the wiring diagram shown in
Section 12.
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Form #44201100
Oct 2019