Siemens DG15025 Assembly And Operating Instructions Manual page 23

Remove lower cap by taking the screws out (page IV, diagram 13, 13.1).
Lead cable through the cable gland and cord grip and connect, then tighten the cable gland and cord grip (page V, diagram
14).
Check that the system is suitable for the maximum power absorbed by the water heater (please refer to the data plate) and that
the cross-section of the electrical connection cables is suitable, and no less than 2.5 mm
Operating mode
Set the power switch "S1" to the correct operating mode on the electronic board.
Set the desired load according to the connection examples.
Power Switch "S1"
The power switch is set by the manufacturer in position 5 for DG80025 and DG10025 models and in position 6 for
DG12025 and DG15025.
Double power
Depending on the home installation, the following connection variations are possible:
Refer to the connection types recommended for double power (page VI)
• Variant A, (page VI, diagram 16):
If no low-tariff electricity is to be used, do not remove bridge between L1 and L1T.
• Variant B, (page VI, diagram 17)
Connect the output of the autotimer (delivered by the electricity provider) with L1 and L1T.
• Variant C, (page VI, diagram 18)
Connect switched phase L1T (connection for low-tariff power) to L1T terminal.
• Variant D, (page VI, diagram 19)
Connect switched phase L1 to terminal L1 and L1T.
According to the duration of the off-peak period of either 8 or 4 hours, and the
associated loads (refer to connection types on page 7), set the power switch "S1"
to the correct positions, 5 /6 / 7, of the double power set-up.
2 .
Mode of Operation
Double power switch positions 5 / 6 / 7
Single power switch positions 1/ 2 / 3 / 4
Boiler mode switch positions 8 / 9 / 0
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