A.O. Smith SGS - 100, Installation, User And Service Manual

Page: 116 / 121

Instruction manual SGS 113
is
TERMINAL STRIP CONNECTIONS
COMPONENTS
CONTROLLER CONNECTIONS
Earth
N Neutral
L Live input of controller
L
1
Live input for the solar heating system
pump ON/OFF.
M
1
Live input for the solar heating system
modulating pump.
M
2
Neutral input for the solar heating system
modulating pump.
M
3
Modulation output of the solar heating
system modulating pump
AA Control
PS Extra head pump for solar heating system
(ON/OFF)
CC Solar heating system pump (modulating)
DD Temperature sensor (S
1
- solar collector)
EE Temperature sensor (S
2
- tank)
FF Combined Q/T sensor (incl. temperature
sensor S
4
- solar collector return)
GG Communication between the appliance
controller and the solar system (BUS
connection)
HH Temperature sensor (S
3
- top of storage
tank)
K Double-pole isolator
J12 Connection of combined Q/T sensor (1-2-
3-4)
J13 Connection of temperature sensor S
1
(2-4)
J14 Connection of temperature sensor S
2
(2-4)
and temperature sensor S
4
(1-3)
J16 Connection of BUS-link communication
F2 Fuse (T 3.15A - 250 V)