krom schroeder E8 - Power Terminal Assignments

Installation Part 4: Installation and Start-up
60
Options
Provided no separate
regulations for protecting
the relay apply, a bridge
to supply the relay must
be connected between
terminals II 2 and II 3.
Power terminal assignments
Plug 2 [II]
Plug 6 [VI]
1
2
VI
12
Plug 4 [IV]
1
2
3
4
5
M
s
T4 T3
v
1
IV
N: Neutral conductor, mains
L1: Power supply, unit
L1´: Power supply to relay
D 1: heating circuit pump HK 1
D 2: heating circuit pump HK 2
F: Storage tank charging pump
v: Mixer open, heating circuit 2
v: Mixer closed, heating circuit 2
H: Burner stage 1
H: Burner stage 1
Multifunction relay 1
Multifunction relay
2
v: Mixer open, heating circuit 1
v: Mixer closed, heating circuit 1
H: Burner stage 2
H: Burner stage 2
No function