1
B
A
C
o
d
e
A
s s
e
m
A
Main
u
n
t i
B
S
l o
r a
e
n
e
g r
y
i k
f ( t
e i
d l
s
u
C
U
s
e
i r
t n
r e
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E
P
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s
S :
l o
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p
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f (
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Item
Description
1
Solar energy kit signal cable
2
User interface cable
3
Room thermostat cable
Solar pump control cable
4
Outside circulation pump control cable
5
6
DHW pump control cable
7
SV2: 3-way valve control cable
8
SV1: 3-way valve control cable
9
Booster heater control cable
(a) Minimum cable section AWG18 (0.75 mm
(b)The thermistor cable are delivered with the unit:if the current of the load is large, an AC contactor is needed.
1
2
3
4
5
6
7
8
9
10
11
12
25
SL1
SL2
H
C
1ON
2ON
P_c
P_o
P_s
P_d
HT
1OFF
2OFF
29
13
14
15
16
17
18
19
20
21
22
23
24
TBH
IBH1
L1
N
N
N
3ON
N
N
N
N
3OFF
CN11
3
8
25 T
H
D
K
I
F
L
b
y l
u
n
t i
C
o
d
e
G
P
p
l p
) y
H
S
I
S
u
p
l p
) y
K
C
AC/DC
AC
AC
AC
AC
AC
AC
AC
AC
AC
).
2
36
C
2
26
27
28
1
2
3
4
5
R2
AHS1
AHS2
A
B
X
Y
E
30
31
32
6
7
8
9
10
N
R1
DFT2
DFT1
P
Q
E
H1
H2
CN7
CN30
5
7
K
E
L
J
A
s s
e
m
b
y l
_
d
D :
H
W
p
u
m
p
f (
e i
d l
s
u
p
l p
) y
V
: 2
- 3
w
a
y
v
a
v l
e
f (
e i
d l
s
u
p
l p
) y
V
: 1
- 3
w
a
y
v
a
v l
e
f
r o
d
o
m
e
s
c i t
h
t o
o
n
a t
t c
r o
Required number of conductors
2
5
2
2
2
2
3
3
2
6
9
4
K
K
G
u
n
t i
w
t a
r e
a t
n
k
f (
e i
d l
s
u
p
l p
) y
Maximum running current
200mA
200mA
200mA(a)
200mA(a)
200mA(a)
200mA(a)
200mA(a)
200mA(a)
200mA(a)