GIRBAU PB32 Series Installation, Operation And Maintenance Instructions Manual page 57

PB32, X13
Insert the power cable into the right-hand base-frame and
secure it with the device A (Fig. 5.1).
Model PB32, X13 with gas heating (Fig. 5.2)
On these models, the connection is ALWAYS SINGLE-
PHASE or TWO-PHASE. However, it can be connected to a
three-phase installation. (See the wiring diagrams in section
4.2).
Connect the power supply wires to input terminals L1 and L3
of the isolator switch.
Connect the earth wire (PE/GND).
Steps for the connection
57
Fig. 5.1
Fig. 5.2
Code no. 550038
Rev. no. 16/1018