English
• It is recommended to safeguard the pump with a residual-current-operated protection
switch.
Labelling: RCD type A
When dimensioning the residual-current-operated protection switch, consider the
number of pumps connected and their motor currents.
• Leakage current per pump I
7.2.1 Configuration of the connection cable
Mains cable (Fig. 1a/b, item 6)
Control cable (Fig. 1a/b, item 7)
Control via analogue signal 0...10V (2-wire or 4-wire cable)
NOTE: To ensure interference resistance the total length of the 0-10V control line should
not exceed 15 m
Control via PWM (2-wire or 4-wire cable)
GND
PWM
or
or
PWM GND
NOTE: To ensure interference resistance the total length of the PWM control line should
not exceed 3 m
38
or RCD type B
≤ 3.5 mA (in acc. with EN 60335)
eff
The free end of the cable is to be inserted in the system's
switchbox:
• brown wire:
• blue wire:
• green/yellow wire:
• L, N,
1~230 V
• Earth the pump/installation in accordance with the
regulations.
• Wire 1 (brown):
• Wire 2 (white):
• Wire 3 (blue):
• Wire 4 (black):
0-10V
SSM
• Wire 1 (brown):
• Wire 2 (white):
• Wire 3 (blue):
• Wire 4 (black):
GND
PWM
SSM
or
or
PWM GND
L1 (phase)
N (neutral conductor)
(protective earth)
: Mains supply voltage:
, 50/60 Hz, DIN IEC 60038
AC
GND (signal earth)
0...10V (signal)
SSM (if present)
SSM (if present)
PWM signal earth (GND) or
PWM signal
PWM signal or
PWM signal earth (GND)
SSM (if present)
SSM (if present)
WILO SE 02/2015