23
Circuit Diagram
（
HTCD-160
）
+1
2V
GN
D
DC
IN
+
El
ec
tronic dual-circuit
temperature controller
SET
HE
A
T
Do
uble-thr
ow
swit
ch
PV
i
nput(+
)
PV
input(-
)
Condenser fa
n
Condenser fa
n
Condenser fa
n
He
atin
g wire
Re
frigerating
compar
tment
compressor
1
Re
frigerating
compar
tment
compressor
2
Fr
ee
zing
compar
tment
compressor
Fuse
Ca
pacita
nc
e
+
Ambie
nt
tem
pera
tu
re
Ic
e
la
ye
r se
ns
or
Re
fri
ge
ra
tin
g
Fr
eezi
ng compartment s
en
so
r
-
-
+ +
F C T
-
+ +
F C T
-
+ +
F C T
US
B 2.
0
Powe
r Module
