Unical KONm Series, Installation And Servicing Manual

Page: 40 / 44

40
Model KONm 28 - KONm 35
KEY
A1.....A9 Services connectors
CMP Modulating pump control
DK Water deficiency safety pressure switch
E. ACC./RIL Ignition/detection electrode
FLS Domestic hot water request flow switch
MVD Diverter valve motor
P Pump
SL Condensation sensor level
SR Flow heating sensor
SRR Return heating sensor
SS Domestic hot water probe (Pred. for R models)
TL Limit thermostat
TLC Flue gas collector limit thermostat
VG Gas valve
VM Modulating fan
SE External probe connection terminals
TA1 / OT Modulating TA connection terminals
TA2 On/off TA connection terminals
COLORS
BL BLUE
BR BROWN
BK BLACK
G GREEN
GR GREY
L BL LIGHT BLUE
OR ORANGE
PK PINK
R RED
Y YELLOW
YG YELLOW GREEN
WH WHITW
VI VIOLET
MDV
MDV
230
V
50 Hz
L1 N
G
N
D
P
N
L1
R
Y
G
B
L
B
R
1 2
A8
3 4 5
B
R
Y
G
B
L
1
2 3
B
L
B
R
B
K
(C
H
)
(D
H
W
)
M
P
N
L1
1 2
A8
3 4 5
B
R
Y
G
B
L
MDV
C R
A1
4 3 2 1 8 7 6 5 9
4
A9
3 2 1
B
K
(-)
1 3
St2
B
L
(T
A
C
H
O
)
B
K
(P
W
M
)
O
R
(+)
2 4 5
C
DK
W
H
FLS SS SR
B
R
W
H
B
R
W
H
W
H
R R
A1
4 3 2 1
8 7 6 5 9
R
DK
W
H
SS SR
B
R
W
H
W
H
B
R
B
L
R W
H
G
R
CMP
A2
4 3 2 1 7 6 5
G
N
D
1
-5
G
P
L
T.ACC
A3
4 3 2 1 6 5
SE
BK
TA 1/OT TA 2
WH WH Y
Y BK
BK
(C
H
)
(D
H
W
)
VM (R)
A4
3 2 1
2 1
GR
MODULA
T
(+12 V) NOT
USED
1 - COM
4 - NO
1 - COM
4 - NO
A1
4 3 2 1 8 7 6 5
9
4
A9
3 2 1
A2
4 3 2 1 7 6 5
A4
3 2 1
A3
4 3 2 1 6 5
1
2
A7
1 2
A5
3 4 5 6
A8
3 4 5 1 2
BL
PK
GND
SL
BK
CASING
TLC TL SRR
BL BL WH WH G G
WH
E. ACC./RIL.
1 2 3 4 5
RIL