Inlet Pressure Check; Ceramic Walls Installation - Baxi 741 Installer's Manual

INSTALLER GUIDE

10.3 Inlet pressure check.

The appliance is pre-set to give the correct heat
input at the inlet pressure shown in section 2 of
this manual. No adjustment is necessary.
1. Check the inlet pressure by fitting a pressure
gauge at the test point. The test point is on the
inlet 'T' connector (See figure 22). Check the
pressure with the appliance alight and set at
maximum output.
2. After checking, turn off the appliance.
Remove the pressure gauge and replace the test
point sealing screw.
Figure 22. Pressure test point
3. Relight the appliance. Turn to the maximum
output position and test around the sealing screw for gas soundness with a suitable leak
detection fluid.

11. CERAMIC WALLS INSTALLATION

1. Fit the ceramic rear wall inside the "L"
bracket on the back face of the burner
compartment. Push the ceramic wall flat
against the back face of the burner
compartment (See figure 23).
Figure 23. Ceramic rear wall installation
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