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8.9.5
8.10
8.10.1
8.10.2
54
12.
If necessary, use a hex driver to adjust the adjuster screw until the CO
correct.
a)
Turn the screw clockwise for a higher CO
b)
Turn the screw anticlockwise for a lower CO
13.
If applicable, set the temperature value back to the original value (parameter 002).
14.
Set parameter 201 to dIS, refer to Settings (see 10).
15.
Press [RESET]. The water heater goes into OFF mode.
16.
Set the control switch on the side of the water heater to 0 to turn off the water
heater.
17.
Remove the measurement probe of the CO
cap (1) back on the nipple (2).
18.
Shut off the gas supply.
Fig. CO
value
2
Turn on the water heater
Refer to the procedure in the user part to Turn on the water heater (see 4.2).
Decommisioning
To decommission the water heater:
1.
Turn off the water heater (see 8.10.1)
2.
Drain the water heater (see 8.10.2)
Turn off the water heater
Refer to the procedure in the user part to Turn off the water heater (see 4.3) and isolate
the water heater from the mains power supply.
Draining
Refer to the installation diagram (see 8.3) when you drain the water heater:
1.
Close the manual gas valve (10).
2.
If applicable, close the service stop valve (11) in the hot water pipe.
3.
Close the stop valve (10).
4.
Open the drain valve (9).
5.
Aerate the entire installation of air until the water heater is completely drained.
2
meter from the test nipple and place the
2
Installation, Maintenance and Service part
value is
2
value.
value.
2
1. Cap
2. Test nipple
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