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4
3.
TO LIGHT THE BOILER
If a programmer is fitted refer to seperate instructions for the programming before
continuing,
3.1
Check that the electric supply to the boiler is on.
3.2
Set the mode control to winter usinf ‘K5’.
3.3
Set the Heating temperature control to ‘max’ using ‘K1’.
3.4
Check that all external controls, e.g. programmer, room thermostat and cylinder
thermostat, are ON.
3.5
The boiler will commence the ignition sequence supplying heat to the central
heating, if required.
NOTE: In normal operation the boiler status disply will be.
DISPLAY CODES
Call for heat
Burner on low
Medium
High
Temperature of supply
4.
OPERATING FUNCTIONS
4.1
OPERATING THE CENTRAL HEATING
When the boiler fire in CH mode it fires for 1 minute, modulating the boiler. The display will flash showing
the radiator, the small flame and temperature. A flame symbol increases with the demand for heat. Once
temperature is reached the display will go back to standby.
Approximate flow temperatures for the boiler thermostat settings are:
TABLE. 2
Button Setting
CH Flow Temperature °C
Minimum
40°C
Maximum
80°C
FIGURE 3.
