Installation instructions, only for experts
3. Check the phase circuit for sauna mode L1, L2, L3 is connected to U, V, W.
4. Check the phase circuit for evaporator mode L1, L2, L3 is connected to U,
V1, W.
5. Ensure the phase circuit for L3 is connected to W1 when the device con-
nected to the additional output is activated.
6. Check the maximum permissible heating output of 3.5 kW per phase on the
sauna control unit.
7. When there is an optional power booster:
a. Check the control wires ST1, ST2 and ST3.
b. Check the maximum permissible heating output of 3 kW per phase on
the power booster S2-18.
c. Check the maximum permissible heating output of 7 kW per phase on
the power booster S2-18.
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EN