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SGS
Electrical diagram SGS 28-60
COMPONENTS CONTROLLER
A Controller
B Ionisation rod
C Glow ignitor
D Gas control
E Burner earth connection
F Extra ON-mode switch
G Continuous pump
H Program controlled pump
J Extra error signal
K Isolating transformer
L Double-pole mains switch
M On/Off switch control
N Display
O Fan
P Temperature sensor
(T2 - bottom of tank)
Q Dummy
R Temperature sensor
(T1 - top of tank)
S Selection resistor
T Pressure switch
U Controller solarsystem (BUS-link)
F1 Fuse
F3 Fuse
CONNECTIONS MAIN CONTROLLER
COMPONENTS SOLAR CONTROLLER
AA Controller
BB Pump solar system (ON / OFF)
CC Pumps solar system (modulating)
DD Temperature sensor
(S1 - solar collector)
EE Temperature sensor (S2 - tank)
FF Q/T-measuring (incl. temperature-
sensor S4 - return solar collector)
GG Controller (BUS-link)
HH Temperature sensor
(S3 - top tank)
F2 Fuse
CONNECTIONS SOLAR CONTROLLER
1
2 L Power supply
3 N
4 - n.a.
5 - n.a.
6 - n.a.
7
Pump solar system
8 L
1
(ON / OFF)
9 N
10 N
11 L
2 Pump solar system
12 - (modulating)
13
14 - n.a.
15 - n.a.
16 - n.a.
17 - n.a.
18 - n.a.
19 - n.a.
20 - n.a.
1 n.a.
J3
2 n.a.
3 n.a.
4 n.a.
1 Power supply 5V
2 Sensor return
J12 solar collector (S4)
3 Earth
4 Flow signal
1 n.a.
J13
2 Sensor solar collector (S1)
3 n.a.
4 Sensor solar collector (S1)
1 Sensor top tank (S3)
J14
2 Sensor tank (S2)
3 Sensor top tank (S3)
4 Sensor tank (S2)
J15
1 n.a.
2 n.a.
J16
1
BUS-link
2
1 n.a.
J17 2 n.a.
3 n.a.
1 X5
BUS-link
2 X
6
3 - n.a.
4 - n.a.
5 X
3
External ON / OFF
6 X
4
7
8 L
5 Continuous pump
9 N
10 N
11 L
4 Program controlled pump
12
13 X
2
14 X
1 Extra error signal
15
16 N
Isolating transformer
17 L
2
(primary side)
18
19 N
Isolating transformer
20 L
3
(secundary side)
21
22
23 L
1 Power supply
24 N