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ENGLISH
S5 S4 S3 S2 S1 R3PELV R3I R2 R1 LN-V1
CANCAN VFS2 VFS1
V2S6+
Max. low voltage 12 VAC / DC
Terminal: Connection for:
S1 Recirculation
S2 Cold water sensor
S3 Primary flow rate (optional)
S4 Storage cylinder top sensor
S5
V1 Primary pump PWM signal
V2 0-10V/PWM signal (optional)
S6 Primary return (optional)
- Cold water draw-off sensor
VFS2 optional
Power terminals 230 VAC 50-60 Hz
Terminal: Connection for:
L Mains power, phase L
N Mains power, N
R1 Primary circuit pump
R2 Relay 2 (recirculation)
R3 Relay 3 (normally open)
R3I Relay 3 (normally open)
The earth wire must be connected to the metallic PE
terminal!
SENSOR SIDE
max. 12V
POWER SIDE
230 VAC
ELECTRICAL WIRING DIAGRAM
Relay connections vary depending on what additional functions are selected.
The polarity of the temperature sensors is irrelevant. The common wire should be connected to the bottom (-) terminal strip.
Connect sensor S1 to the terminals on the left.
Connect the pump to the electronic controller terminals on the right.