1.7 SPHERA type machine electrical diagram version *GIEMME*
R
B
V
R
N
H
REF.
A
B
C
D
E
F
G
H
I
N
R
V
espresso coffee machine - interface system
I
C
D
F
Hartwall cable 8.9.28.51 code WY22550
White
Power cable 8.9.28.12 code WY22551
Serial transmission cable code WY22555
Replace with correct version
Dosing
Do not short circuit JP1
Never place the lever in the PROG position
Interface
Black
Red
Green
E
V
B
R
DESCRIPTION
34
33
34 33
2 1
A
R (VCC+)
N (GND)
English
R
CNS 9