12
Alpha CombiMax 350 and 600
Fig. 12b
5.3
INITIAL LIGHTING
When the selector switch is set to
(DHW and CH) the boiler will not operate in the central heating mode until the
CombiMax store has reached a temperature of approximately 56°C. This will take between seven to twelve minutes from cold.
Depending on whether it is a CombiMax 350 or 600.
5.4
CHECK THE BURNER PRESSURES
Hot water mode
The burner will stay at maximum output for approximately three minutes and then the burner pressure will decrease slowly to its
minimum, until the hot water store reaches a temperature of approximately 56°C.
Check the burner pressure and that the burner goes out when the store is satisfied.
Central heating mode
The boiler will not operate in the central heating mode until the CombiMax store is satisfied.
Clock
(if fitted)
System
Pressure
Gauge
Central
Heating
Thermostat
Domestic
Hot Water
Thermostat
(
)
set at maximum
Selector
Switch
Burner
Viewing Window
0
THERMOSTAT
0
THERMOSTAT
0
SELECTOR
bar
0
4
3
2
1
Indicator
Neons
Red
Reset
Button
White
Reset
Button
RESET
RESET
Alpha 240E and Alpha 280E
Fig. 12c
Alpha 240X