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Settings in the service menu
8.2.2
Menu 3
▶ Press ( and * at the same time until L.1 appears.
▶ Press until L.3 is displayed.
▶ To confirm the selection: press OK key.
The basic settings are depicted as highlighted in the following table.
Service function
3-b1 Maximum approved heat output
3-b2 Time interval between stopping and
starting the burner in heating mode
3-b3 Temperature interval for switching the
burner off and back on
3-C4 Turbine signal delay
3-C6 Time interval between stopping and
restarting the burner for DHW heating
(only in comfort mode and summer
mode)
3-CA DHW mode
3-d6 Overrun time of the pump in CH mode • 1 ... 3 ... 60 minutes
Table 27 Menu 3: factory settings
50
Settings/adjustment range
• GR1000W 24 C : 50 ... 100 %
• GR1000W 30 C : 50 ... 82 %
• 3 ... 10 ... 60 minutes
• -15 ... -6 ... -2 K ( °C)
• 2 ... 16 × 0.25 seconds
• 0 ... 30 minutes
• 0: comfort mode, the device is continually kept at
the set temperature.
• 1: ECO mode, only heat-up to the selected
temperature when hot water is being drawn.
• 2: (not available)
• 3: (not available)
• 61: 24 hours
Remark/restriction
▶ Set heat output in percent.
– Please note: the percentage shown is the
Central Heating output in relation to
maximum DHW output available.
▶ Measure gas flow rate.
▶ Compare measured result with the setting
tables ( page 100). Correct the setting in
the case of any deviation.
The time interval specifies the minimum waiting
time between switching on the burner and
switching it on again.
If a weather-compensated heating controller is
connected, this setting is optimised by the
heating controller.
The difference between the current flow
temperature and the set flow temperature until
the burner is switched on.
If a weather-compensated heating controller is
connected, this setting is optimised by the
heating controller.
The delay prevents sudden changes in the water
supply pressure from causing the burner to
briefly operate although no water is drawn off.
After DHW is drawn off, the DHW heating
remains disabled for this period.
Short waiting time in comfort mode, when
domestic hot water is extracted. The device
therefore switches on, even if no domestic hot
water is extracted.
The pump overrun begins at the end of the heat
demand by the heating controller.
Greenstar 1000 – 6721835943 (2023/08)
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