Service manual EKCO.L2N
24
6.2. Wiring diagram - 400V 3N~ 4-8kW (ver. II).
Pic.20. Electric diagram 4-8 kW 3N~.
N
G1
L1
G2
L2
G3
L3
PSK.P5
1
G1
2
1
G2
2
G3
1
2
ZTD
LB
LA
N
L
Pompa
N
ZM
Ciś.
Twyj.
Twej.
Q
L
N
ZG
ZM
PSK.P5
L
N
M1
P
T2
T1
Q
Kp
Kd
NA
RP
L
Zas.
N
U
V
W
W
T
-3
N
PE
Power
supply
400v
3N~
U
V
W
N
Tzas
NTC
LA
LB
ZTD
N
T1
-
return
temperature
sensor
MSK
-
MSK
boar
d
Z
M
-
power
boar
d
Q
-flow
sensor
ZG
-heating
box
Kp
-
front
cover
M1
-
circulating
pump
XP
-
terminal
strip
eL
PE
F1
-
WT
-3
cut-out
T2
-
flo
w
temperature
sensor
Kd
-
bottom
cover
BK
-
boile
rlock
(always
closed)
RP
-
room
thermostat
(o
rjumper
)
ZTD
-
three-way
valwe
Tzas
-DH
W
temperature
sensor
or
DH
W
thermostat
connectio
n
F
2
-
pump
fuse
F1
F2
BK
RP
NC
NC
P..-pressure
sensor