
Replacement parts
Greenstar 8000 Life – 6720883865 (2019/02)
60
2. Unscrew the union nut.
Fig. 98 Unplugging the plug and unscrewing the union nut
1. Remove the 2 screws.
2. Remove the air/gas ratio control valve.
Fig. 99 Removing the gas control valve
▶ Install the air/gas ratio control valve in reverse order, and check the
gas/air ratio.
9.6
Checking the strainer in the cold water pipe and the
flow turbine
1. Remove the clip.
2. Loosen the cold water pipe.
3. Pull the strainer out of the cold water pipe and check for
contamination.
Fig. 100 Removing the strainer from the cold water pipe
1. Pull out the flow turbine.
Fig. 101 Removing the flow turbine at the cold water pipe
▶ Select the service menu 1-b2, current turbine flow rate.
▶ Blow in the flow direction of the turbine.
▶ If nothing appears on the display, replace the turbine.
9.7
Checking/replacing the motor of the 3-way valve
▶ Check the motor in the service menu 6t-5, 1: DHW.
▶ Replace the motor of the 3-way valve in the service menu 6t-5, 2:
middle position.
1. Pull out the motor.
2. Press the cable retaining clip.
3. Unplug the plug.
Fig. 102 Removing the motor of the 3-way valve
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0010017781-001
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0010007251-001
0010017098-001
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0010017099-001
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0010017784-002