Sorel TDC 3 - Page 12

12
Actuating direction of valve:
R2 on/valve on = path through the storage
tank
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 heating circuit return
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 Valve L
N Valve 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
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 L (speed)
N Pump N
R2 Phase valve L
N Bypass valve N
The PE protective conductor must be
connected to the PE metal terminal block!
D.3 Solar with bypass
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.4 Solar with return lift
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 = bypass without storage
tank charging