Back Cover Installation - Baxi HP40-XX-MB Operation Manual

Input Voltage(A/B)
Wiring size
The rotating coded switch S3(0-F) on the main control
board of hydraulic module is used for set the modbus
address.
By default the units have this coded switch positioned=0,
but this corresponds to the modbus address 16 , while the
others positions corresponds the number, e.g. pos=2 is
address 2, pos=5 is address 5.

6.3.3 Back cover installation

Buckling position
Straight head screwdriver
Screw hole installed on the three
M4X20
13.5VAC
0.75mm
2
Back cover
Front cover
20