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
X
5
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
