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Wiring diagram, YLCC-H - 122, 400.3.50 (2 of 2)
R
X2/...
B
R B
GND
6
ID3
9
ID5
10
ID2
1
LP1
P
ID4
2
1
S/P
ID1
8
21
ID8
9
ID9
2
ID7
1
GGO
714
GGO
714
GND B4
V+
GND GND
T+ T+
T-
tLAN
tLAN/485
X2/...
X2/... X2/...
F5
(05)
I-2
373-2a
YLCC-H-122
400.3.50
21
34
65
21 22
(0
2
)
(
2
)
21
34
65
21 22
(0
1
)
(
1
)
21
34
65
21 22
(0
4
)
(
4
)
21
34
65
21 22
(0
3
)
(
3
)
X2/...
11
X2/...
LP2
P
F6
(06)
13
14
16
21
34
65
21 22
(0
5
)
13 14
(2
2
)
(2
2
)
21
34
65
21 22
(0
3
)
13 14
(3
1
)
(31)
11
14
12
(
25
)
11
14
12
(
13
)
10 11
24V
0V
T1
150 VA
230V
0V
a
b
RV2
12 13 14
15 16 17 18
19 20 21
22 23 24 25 26 27 28 29 30
2
1
F10
6A
4
B1
GND B1
GND B2
B2
LWT
PROBE 1
EWT
PROBE
A2
3
A1
J2/1
7614
GND
5
Y1
4
NO1
1
C1/2
2
NO4
9
C3/4
4
NO2
7
NO3
8
C3/4
10
NO5
12
C5
6
J1/1
25
ID6
8
GND
5
Y2
4
NO6
1
C6/7
2
NO9
9
C8/9
4
C6/7
3
NO7
7
24
J2/1 J2/2 J1/2J2/2
KEY/SPV
613612
GND
B3
611
GND
V+
DI/AI/P
GND
T+
tLAN
B6
LWT
PROBE 2
GND B6 GND B7
612611
J2/1 J2/1 J2/2
15
BB1BB2
B6B
Bn
J2/2
13
14
16
1
2
12
F5
5
KM5
A1
A2
A3
ON/OFF
MODE
216
5
43
KM1
A1
A2
KM2
A1
A2
4-WAY VALVE 1
WATER
PUMP
ALARM
ON/OFF
FLOW SWITCH
HIGH PRESSURE
SWITCH 1
HIGH PRESSURE
SWITCH 2
LOW PRESSURE
SWITCH 2
4-WAY VALVE 2
MOTOR GUARD
FAN 1
MOTOR GUARD
FAN 2
1
2
12 14
11
1
2
1
2
KRV1
A1
A2
13
14
21
22
KM5
KM5
KRV2
A1
A2
13
14
21
22
KM6
KM6
2
C/H
1
2
22
1
2
12 14
11
1
2
HP1
P
LOW PRESSURE
SWITCH 1
LOW PRESSURE
SWITCH 1-2
LOW PRESSURE
SWITCH 2-2
COOL/HEAT MODE
KM6
A1
A2
A4
ON/OFF
MODE
216
5
43
KM3
A1
A2
KM4
A1
A2
2 bar
4
B3
LIQUID PROBE 1
BB3
B7
LIQUID PROBE 2
BB7
RV1
0,5 bar
1
2
HP2
P
2 bar
0,5 bar
LP2-2
P
31
LP1-2
P
KRV1
(21)
KRV2
(31)