16
Installation
3
3
3.2 Electrical connection
(continued)
Fig. 3.2.14 “Solar storage tank/pool”
Terminal connection diagram,
program 13
Low voltage
max. 12VAC/DC connec-
tion in the left-hand terminal compart-
ment!
Terminal: Connection
for:
S1 (2x)
Sensor 1 collector
S2 (2x)
Sensor 2 storage tank
S3 (2x)
Sensor 3 swimming pool
Sensor side
max. 12V
Danger
Caution
Mains side
115VAC
Caution
The polarity of the sensors is freely
selectable.
Mains voltages
115VAC 50-60Hz
Connection in the right-hand terminal
compartment!
Terminal: Connection
for:
L
Mains phase conductor L
N
Mains neutral conductor N
R1
Pump L (speed)
N
Pump N
R2
Pump (sec.)+valve L
N
Pump (sec.)+valve N
The PE protective conductor must be
connected to the PE metal terminal block!
Relay R1: For speed control of standard
pumps, minimum load 20VA
Actuating direction of valve:
R2 on/valve on = charge to sen-
sor 3 (swimming pool)
Terminal connection diagram, program
14
Fig. 3.2.15 “Universal
∆
T controller”
Low voltage
max. 12VAC/DC connec-
tion in the left-hand terminal compart-
ment!
Terminal: Connection
for:
S1 (2x)
Sensor 1 (control)
S2 (2x)
Sensor 2 (reference)
S3 (2x)
Sensor 3 (thermostat)
The polarity of the sensors is freely
Caution
Relay R1: Only for speed control
of standard pumps, minimum
load 20VA
selectable.
Mains voltages
115VAC 50-60Hz
Connection in the right-hand terminal
compartment!
Terminal: Connection
for:
L
Mains phase conductor L
N
Mains neutral conductor N
R1
Pump L (speed)
N
Pump N
R2
e.g. pump L
N
e.g. pump N
The PE protective conductor must be
connected to the PE metal terminal block!
Sensor side
max. 12V
Danger
Caution
Mains side
115VAC
Brief description of switching function:
The
∆
T function sensor 1 > sensor 2
switches the pump to relay R1.
The thermostat function via sensor 3
switches the pump to relay R2.
