APPLICATIONS
18.1 Application examples
Some application examples are described below.
Each application described here is just an example. Therefore, before actual using it, be sure to properly
modify it according to the user’s system and sufficiently evaluate it.
18.1 Application examples
18.1.1 Application example of air-conditioner outdoor unit
Figure 18.1.1 shows an application example of the air-conditioner outdoor unit.
Compressor
U
U
Compressor
I
P
M
V
control
MCU
M37906
V
AC
motor
Serial interface
W
W
Output-forcibly-cutoff
signal input
Main-control
MCU
Interface
with
indoor
MCU
Fan motor
M
U
Fan-motor
control
MCU
M37906
U
V
O
S
DC
motor
V
Serial interface
W
W
F
E
T
Output-forcibly-cutoff
signal input
Position signal
Fig. 18.1.1 Application example of air-conditioner outdoor unit
7906 Group User’s Manual Rev.2.0
18-2