COMMISSIONING
Greenstar Highflow CDi
ErP
- 6720818077 (2016/04)28
▶ Turn the temperature control [10] to maximum. The burner on
indicator [13] illuminates green when the burner has lit.
Fig. 36 Operating the boiler
▶ If the boiler fails to light, the blue power indicator [9] and reset
button [5] will flash alternately.
▶ To reset the boiler, press and hold the reset button [5] for 2 seconds.
Fig. 37 Boiler reset
5.4.2 Initialization
The appliance performs a self test at initial switch on that takes
approximately 10 seconds.
During the test, the display shows for the first two seconds.
The Service engineer and the Service menu buttons light up
orange and the Reset button lights up red.
Afterwards the display shows the Central heating temperature.
On successful completion of the test sequence the appliance is ready for
operation.
5.4.3 Display messages
5.5 Checking gas inlet pressure
5.5.1 Measuring the inlet pressure
The inlet pressure to the appliance must be checked using the following
procedure:
Fig. 38 Inlet test point
▶ Close the gas isolation valve.
▶ Slacken the screw in the inlet pressure test point [1] and connect a
manometer.
▶ Open the gas isolation valve.
The boiler runs for 15 minutes at minimum heating
output to fill the condensate trap. This occurs every time
the mains supply has been interrupted.
CAUTION: DO NOT PRESS THE POWER INDICATOR [9]
TO RESET THE BOILER.
Special messages Description
Key acknowledgement after pressing one
button (except reset button)
Key acknowledgement after pressing two
buttons simultaneously
Table 14 Special display messages
reset
eco
1
2
3
4
e
6
maxmin
6720818977-15.1Wo
10
13
reset
eco
1
2
3
4
e
6
maxmin
6720818977-16.1Wo
5
9
Key acknowledgement after
pressing button longer than 3 seconds
(save function)
The display shows alternatively the CH flow
temperature and . The appliance works
continuously at the minimum power
(see Engineer’s Service manual - function 2.F).
The display shows alternatively the CH flow
temperature and . The appliance works
continuously at the maximum power
(see Engineer’s Service manual - function 2.F).
Appliance is in Air purge mode,
(see Engineer’s Service manual - function 2.C.
The display shows alternatively the CH flow
temperature and . The Syphon-fill
programme is active.
(see Engineer’s Service manual - function 4.F
The display shows alternatively the CH flow
temperature and reminding that the next
service is due. The burner service interval of
2324 hours has run out.
(see Engineer’s Service manual - function 5.F.
The display shows alternatively the CH flow
temperature and . The pump is blocked.
See error E9.
The display shows alternatively the CH flow
temperature and . The gradient limitation
is active. The primary temperature is rising too
fast and the burner has switched off for 2
minutes. See error E9.
When the control is in internal heat bank
demand the display will alternate between the
primary temperature and the tank demand
symbol.
Special messages Description
Table 14 Special display messages
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