INSTALLER’S GUIDE
Page 21
Figure 27 Pressure test point
clockwise. The burner flames should gradually
increase until the pivot bracket is nearly at its furthest
anti-clockwise rotation. Rotating further until the
pivot bracket comes to a stop should then turn the
burner and pilot off.
When the above checks have
been completed close the isolating valve on the
inlet elbow
.
4.
If the above checks are satisfactory, continue with
the installation. If not, check the control and ignition
circuitry and components as described in the servicing
section of this guide.
9.3
Reference Pressure Check
The appliance is pre-set to give the correct heat input at the inlet pressure shown in
section 1 of this manual. No adjustment is necessary.
1.
Check the burner pressure by fitting a pressure gauge at the test point. The test point is
on the pipe situated below the bottom right corner of the burner unit. See figure 27.
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.
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.
