Installation Diagram (Fig. 3) - 4-noks PR-SA Installation And Instruction Manual

10. Installation diagram (fig. 3)

N
L
Main meter
toward thermal-magnetic
Ø 2,5 mm
Water heater / hot water
storage tank
Green dot and direction
of arrow K  L
and differential switch
Terminal 1
A B
2
1
INCORRECT*
Main thermal-magnetic
and differential switch
Terminal 3
L N
Terminal
2
V
13
EN
N
L
Generation meter
L N
Consumer
Thermal-magnetic 20 A
2
CORRECT*
N L
Boost auxiliary contact (normally open):
when closed, forces switch to boost mode
(100% power output); when reopened,
system reverts to normal operating mode.
* Measurements cannot
be taken with a current clamp
applied to the conductors
on the resistive load side