Quick Reference Guide - Potterton Promax System HE Plus A Range User's Manual And Important Warranty Information

Reset
ON/OFF/Reset
Selector Switch
Reset
OFF Position
The boiler will not operate.
Display
2
1
3
0 4
bar
© Baxi Heating UK Ltd 2012
Display Central Heating
Temperature Control
Central Heating Indicator - The indicator will illuminate when the boiler is in the central
heating mode.
Burner On Indicator - The indicator will illuminate when the burner has fired and is heating
your central heating or domestic hot water.
Boiler Output Temperature - In either the central heating or domestic hot water position
the display will illuminate showing the current boiler temperature in degrees centigrade.
Central Heating Temperature Control
Turn the knob clockwise to increase or anticlockwise to decrease the temperature.
Range 25 - 80° C.
Calibration Control
This control is for use only by the installer or service engineer.
Central Heating System Pressure - The normal operating water pressure is between 1 and
2.0 bar. If the pressure exceeds 3 bar the safety pressure valve will operate and a fault is
indicated. Contact your Installer.
Calibration Control
Reset
Central Heating & Hot Water
Both Heating & Hot Water will operate.

1.0 Quick Reference Guide

2
1
3
0 4
bar
System Pressure Gauge
Reset
Reset
Hold for approx 5 seconds and release.
3