Sorel TDC 3 - Page 13

13
Installation
Low voltage max. 12VAC/DC connection
in the left-hand terminal compartment!
Terminal: Connection for:
S1 (2x) Sensor 1 collector
S2 (2x) Sensor 2 storage tank
S3 (2x) Sensor 3 forward fl ow
The polarity of the sensors is freely se-
lectable.
Mains voltages 230VAC 50-60Hz Con-
nection in the right-hand terminal com-
partment!
Terminal: Connection for:
L Mains phase conductor L
N Mains neutral conductor N
R1 Pump, secondary L (speed)
N Pump, secondary N
R2 Pump, primary L
N Pump, primary N
The PE protective conductor must be
connected to the PE metal terminal block!
Low voltage max. 12VAC/DC connection
in the left-hand terminal compartment!
Terminal: Connection for:
S1 (2x) Sensor 1 collector
S2 (2x) Sensor 2 storage tank low
S3 (2x) Sensor 3 storage tank top
The polarity of the sensors is freely se-
lectable.
Mains voltages 230VAC 50-60Hz Con-
nection in the right-hand terminal com-
partment!
Terminal: Connection for:
L Mains phase conductor L
N Mains neutral conductor N
R1 Pump L (speed)
N Pump N
R2 Zone valve L
N Zone valve N
The PE protective conductor must be
connected to the PE metal terminal block!
D.5 Solar with 2 zone storage tanks
Sensor side
max. 12V
Sensor side
max. 12V
Caution
Caution
Mains side
230VAC
2
2
2
2
2
Danger
Mains side
230VAC
2
2
2
2
2
Danger
D.6 Solar with ext. heat exchanger
Caution
Relay R1: For speed control of
standard pumps, minimum load
20VA
Relay R1: For speed control of
standard pumps, minimum load
20VA
Actuating direction of valve:
R2 on/valve on = charge to sensor 3
(storage tank above)