Operating instructions

5
System design
System design (cont.)
A Solar panel
B SolarĆDivicon
C Draw-off point
D DHW circulation
E DHW circulation output of
boiler control unit or
on-site time switch
F Heating circuit
G Oil/gas fired boiler
H DHW cylinder
KW Cold water
WW Hot water
RL Return
VL Flow
*1
High limit safety cut-out, see pageĂ8.
5862Ă490ĂGB
230 V
28
5
21
STB
*1
12 13 14 15 16 17 18 19 20
NR2 NR1 N L
50 Hz
8
145
7654321
S3S2S1
4A (slow)
STB R2 R1
GH
D
VL RL
B
A
C
E
F
1
4
2
4
3
5
6
7
8
WW
9