Control Panel, Display & Diagnostics - Potterton Powermax HE 85 Litre Installation And Servicing Instructions

2.9 Control Panel, Displays & Diagnostics
The boiler control fitted to Powermax HE has been designed to provide safe, reliable and economical operation of the
boiler - see Fig. 15 for a guide to the control panel.
Fault finding, during both commissioning and subsequent maintenance is much simplified by the clear display of lockout
and error codes which appear in the 'Status/Error Code Display'. What the codes represent and the remedial actions
required are explained on Page 39.
During normal operation, the 'Status/Error Code Display' can be set to show either:
or
or
by pressing the reset button to scroll from one display to the next.
The 'Programmer Display Window' shows time of day and, when implemented, is used for setting and checking the timed
on periods.
Boiler ON- OFF
Switch
Mains 'ON' Burner 'ON'
Indicator Indicator
Light (Amber) Light (Green)
Publication No. 5106226
System pressure e.g. P 1.5 (in bar)
The selected temperature of the DHW e.g. U 55 (in °C)
The flow temperature to the CH circuit e.g. c 80 (in °C)
OFF
TIMED
ONCE
ON
A
D.H.W. Temperature
Status/Error Code
Display Window
Lock Out Lock Out
Indicator
Light (Red)
Programmer Display Window
MON TUE WED THU FRI SAT SUN
TIME ON 1 ON 2 ON 3
DAY OFF 1 OFF 2
C.Heating 'ON'
Control
Reset
Button
P.M
OFF
TIMED
ONCE
ON
A
OFF 3
Indicator
Light (Green)
Integral Programmer
Controls
D.H.W. 'ON'
Indicator
Light (Green)
Fig. 15
23
Installation