1
2
3
H
SL1
SL2
13
14
15
TBH
IBH1
1
B
C
C
Outdoor
A
10
Modbus
Coding
Assembly unit
A
Outdoor unit
B
Solar energy kit (field supply)
C
User interface
D
High voltage room thermostat (field supply)
P_s: Solar pump (field supply)
E
F
P_o: Outside circulation pump (field supply)
G
P_d: DHW pump (field supply)
8
4
5
6
7
9
10
11
12
25
26
P_c
P_s
C
1ON
1OFF
2ON
P_o
P_d
HT
R2
2OFF
16
29
30
17
18
19
20
21
22
23
24
N
L1
N
N
N
3ON
N
N
N
N
3OFF
CN11
3
8
M
25 T
H
D
2
2.1
K
F
L
Coding
31
27
28
1
2
3
4
5
AHS1
AHS2
X
E
A
B
Y
31
32
6
7
8
9
10
R1
DFT2
DFT1
P
Q
E
H1
H2
CN7
CN30
5
7
K
E
L
Assembly unit
SV2: 3-way valve (field supply)
H
SV1: 3-way valve for domestic hot
I
water tank (field supply)
J
Booster heater
K
Contactor
Power supply
L
M
Indoor unit
6
9
4
K
Indoor
K
G
J