Worcester Greenstar CDi Compact - SELECTING SERVICE MENUS; MENU 2 - BOILER PARAMETERS

FAULT FINDING AND DIAGNOSIS
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7.5.2 SELECTING SERVICE MENUS
1.Press and hold and buttons together for one second, the
display will show Menu 1.
Double up or down arrows indicate that the menu can only be scrolled up
or down, an up and down arrow combination indicates position in the
menu where options can be scrolled either up or down.
2.Scroll up and down through the menus with the and buttons
on the right hand side of display.
Fig. 127 Service menu selection
7.5.3 MENU 1 - SYSTEM PARAMETERS
Not applicable for Greenstar CDi Compact.
Initially Menu 1 will be displayed, but will contain no options.
7.5.4 MENU 2 - BOILER PARAMETERS
1.Select Menu 2 via the and scroll buttons.
2.Press and hold the button for one second to enter Menu 2.
This menu lists the boiler parameters, which can be adjusted in this
menu.
To modify setting, select the desired menu option (refer to table 18) and
press the button, the option will flash.
Adjust the parameter using the and arrow buttons and press
the button to confirm.
A will display for three seconds to confirm the
update of the new value.
If the setting is confirmed please record the saved value in the empty box
next to the relevant setting in Table 18.
The same process is used for adjusting all Menus 1, 2, 3 and Test.
Fig. 128 Menu 2 selection
ok
max
min
max
min
e
2
3
1
04
bar
1
ok
eco
reset
e
°C
°F
Menu 1
max
min
max
min
e
2
3
1
04
bar
1
ok
eco
reset
e
°C
°F
Eco
°C
°F
Menu 1
°C
°F
Menu 2
°C
°F
Menu 3
°C
°F
Test
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2.
1.
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Para
No.
Parameter Description Updated
valve
2.1A Maximum power
CH
Range rate the CH of the boiler.
Adjustment in kW.
The maximum is 24kW.
2.1C Pump head
selection
Select the right pump map
(load and modulation
percentage) to suit the
property.
0 = Variable speed setting
1 to 4 option pump maps
2.1H Minimum pump
speed (pump
speed at maximum
CH burner load)
This parameter is only visible
when 2.1C is set to 0 and 2.1D
is set to 1. Then the minimum
pump speed can be set.
2.1J Maximum pump
speed (pump
speed at maximum
burner load)
This parameter is only visible
when 2.1C is set to 0 and 2.1D
is set to 1. Then the maximum
pump speed can be set.
2.1E Pump energy
saving mode
4 = mode ON,
5 = mode OFF
2.2C Air purge mode This feature can be selected to
purge the system and boiler of
air.
0 = off, 1 = auto
2.3B Anti fast cycle time
for CH
This sets the amount of time
between stop and starts of the
main heat exchanger. The
default is 10 minutes, the range
is 0 to 60 minutes.
Table 18 Menu 2 parameters
max
min
max
2
3
1
04
bar
1
ok
eco
reset
e
max
min
max
2
3
1
04
bar
1
ok
eco
reset
e
°C
°F
Menu 2
°C
°F
2.1A kW
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1.
°C
°F
Menu 1
2.
°C
°F
Menu 2