A.O. Smith SGS - 100 Water Heater User Manual


 
SGS
Electrical diagram SGS 80-100
COMPONENTS CONTROLLER
A Control
B Ionisation rod
C Glow ignitor
D Gas control
E Burner earth connection
F Program controlled pump
G Continuous pump
H Extra error signal
J Isolating transformer
K Double-pole mains switch
L ON / OFF switch control
M Display
N Fan
O Temperature sensor
(T2 - bottom of tank)
P Dummy
Q Temperature sensor
(T1 - top of tank)
R Selection resistor
S Pressure switch
T Potentiostat
U Frequency controller
V RS-485 interface
W Electric anodes
X Signaling for electric anodes
Y Mains choke and EMC-filter
Z Solar control system (BUS-link)
F1 Fuse
F3 Fuse
CONNECTIONS MAIN CONTROLLER
COMPONENTS SOLAR CONTROLLER
AA Control
BB Pump solar system (ON / OFF)
CC Pump solar system (modulating)
DD Temperature sensor
(S1 - solarcollector)
EE Temperature sensor (S2 - tank)
FF Q/T-measuring (incl. temperature
sensor S4 - return solar collector)
GG Control (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 L
5
Potentiostat
4 N
5
6 L
4 Frequency controller
7 N
8 X
3
External ON / OFF
9 X
4
10 N
11 L
3 Program controlled pump
12
13 X
1
14 X
2 Extra error signal
15
16 N
Isolating transformer
17 L
2
(primary side)
18
19 N
Isolating transformer
20 L
1
(secundary side)
21
22
23 L Power supply
24 N