
Page 48 of 58
SK2019 FMCD-V-ECM-001
Wiring diagram
FLEXI Type Control PCB
TTL: W ired w allpad, used to set m otor rpm ;
0~10VD C : EC m otor control signal;
S2~S4: Speed selection
C N 1,C N 2:Stepping m otor
C N 3:EC m otor output
C N 4,C N 5:Electrical heat on/off contact, .
X-D IS:Led display
E C
M O TO R
0-10VDC
INP UT
L
o
M
H
i
V1
valve signal
L
N
L phase to therm ostat
custom er care
N com m on to therm ostat
custom er care
H igh speed
M ed speed
Low speed
C N 1;
B A
R
S4
85
p
lug
10
V
dc
G
nd
110 C
E lectrical heater
FUSE
E lectriacal heater
control signal From therm ostat
EH
EC -W U nit w iring schem e
IPA19-D L-EC-W
230V~ 1Ph