3. After 5 seconds a figure wil appear on the display followed by
0.0 and the flashing of the buttons. Refer to Fig.S2.
4. Turn the CH temperature control until 8.5 appears followed
after 5 seconds, by 1. Refer to Fig.S3.
5. To disable the siphon check programme turn the DHW
temperature control until O appears in the display.
Refer to Fig.S4.
6. To enter the change press and hold both buttons until
appears. Refer to Fig.S5.
The boiler will now operate as set by controls.
I
MPORTANT : The siphon check programme must be reset
after the service has been completed i.e enter 1 into the
memory.
There is the facility to check the control settings of the appliance.
Refer to the diagram and table below.
22
Fig. S2..
Fig. S3..
Service Function
How to read out
Pump control mode
2.2
Anti-Cycle time
2.4
Maximum heating flow
2.5
temperature
Heating temperature
2.6
switching differential
Maximum heating
5.0
output
Press (1) and (2) until display (4)
shows '--'.
Wait until (4) shows '0.0' or '0.1'.
Press (1) and (2) until display (4)
shows '='.
Wait until (4) shows '0'.
Turn (3) until display (4) shows '2.2'.
Wait until (4) displays the
setting.
Turn (3) until display (4) shows '2.4'.
Wait until (4) displays the
setting.
Turn (3) until display (4) shows '2.5'.
Wait until (4) displays the
setting.
Turn (3) until display (4) shows '2.6'.
Wait until (4) displays the
setting.
Turn (3) until display (4) shows '5.0'.
Wait until (4) displays the
setting.
Press (1) and (2) until display
shows '--'.
Return the temperature
control knob (3) to its original
setting.
Press (1) and (2) until display
shows '='.
(1)
(4)
(2)
(3)
Fig. S4..
Fig. S5..
Summary of Contents for Greenstar ZWBR 11-25 A31
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