Siemens DG30025, Руководство по сборке и эксплуатации

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15
Power Switch “S1”
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
The power switch is set by the manufacturer in position 5.
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 V, diagram 15):
If no low-tariff electricity is to be used, do not remove bridge between L1 and L1T.
• Variant B, (page V, diagram 15.1)
Connect the output of the autotimer (delivered by the electricity provider) with L1 and L1T.
• Variant C, (page V, diagram 15.2)
Connect switched phase L1T (connection for low-tariff power) to L1T terminal.
• Variant D, (page V, diagram 15.3)
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 V), set the power switch
“S1”
to the correct positions, 5 /6 / 7, of the double power set-up.
Lead cable through the cable gland and cord grip and connect, then tighten the cable gland and cord grip (page IV, diagram
12-13).
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 1.5 mm
2 .
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.