Harvia SENTIOTEC Pro B3 Instructions De Montage Et Mode D'emploi page 59

Installation instructions, only for experts
6. Performing tests
The following tests must be performed by a certified electrical fitter.
WARNING!
The following tests must be performed with the power supply
switched on. There is a danger of electric shock.
● NEVER touch live parts.
1. Check the contact of the earth conductors on the earth conductor terminal.
2. Check the excess temperature fuse on the heater sensor F1.
a. Switch on the sauna control unit.
b. Open the heater sensor and disconnect one of the two red wires for
the heater sensor.
► "Err" shows in the top display, "02" shows in the bottom display and
the control unit switches off the heater.
c. Switch off the sauna control unit.
d. Reconnect the red wire for the heater sensor.
e. Now disconnect one of the white wires for the heater sensor.
f. Switch on the sauna control unit.
► "Err" shows in the top display, "04F1" shows in the bottom display
and the control unit switches off the heater.
g. Switch off the sauna control unit.
h. Reconnect the white wire for the heater sensor.
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.
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EN