Mini Chiller
17.2 Electric Wiring
17.2.1 Wiring Principle
Refer to Section 15.1.
17.2.2 Electric Wiring Design
Wiring diagram: monobloc unit.
HLR8Pd/Na-K, HLR10Pd/Na-K
◆
PE
PE
XT1
Power
L
N
SpecificationX
1. The wires in the imaninal frames
are connected by the consumer.
2. power supply for Thermostat: If it is
220V AC, Please connect Terminal
block(XT4) 21.22.23.24.25; If it is 24V
AC, please connect Terminal
block(XT4) 26.27.28.29.30.
3. If consumer need EH6 J Please
connect Terminal block(XT2) 19.20
with EH3 Together.
4.KM1\ KM2 is Auxiliary electric
heater AC contactor Coil. If consumer
need Auxiliary electric heater, Please
connect Terminal block(XT2) 7\ 8 \ 9
and Terminal block(XT4) 35\ 36.
HLR12Pd/Na-M, HLR14Pd/Na-M
◆
Power
XT1
L1
L2
L3
N
PE
PE
SpecificationX
1. The wires in the imaninal frames are connected by
the consumer.
2. power supply for Thermostat: If it is 220V AC,
Please connect Terminal block(XT3) 21.22.23.24.25;
If it is 24V AC, please connect Terminal block(XT3)
26.27.28.29.30.
3. If consumer need EH6 J Please connect Terminal
block(XT2) 19.20 with EH3 Together.
4.KM1\ KM2 is Auxiliary electric heater AC contactor
Coil. If consumer need Auxiliary electric heater,
Please connect Terminal block(XT2) 7\ 8 \ 9 and
Terminal block(XT3) 35\ 36.
Top
AP4
AP2
AP3
XT1
Front
Underlayer
L1
L2
L3
2
1
AC-L
N
CN10
XT2
L1(OFFG
32
1
X22
L2F ONG
33
2
X21
27
N
3
L1F OFFG
34
4
X14
L2F ONG
35
CN13
5
X13
28
N
6
36
KM1
7
X17
1
0
37
KM2
8
X18
1
0
29
CN14
9
L1F OFFG
38
10
X8
L2F ONG
39
11
X7
30
N
12
40
CN20
13
X6
31
N
14
41
CN21
HL1
15
Running Indi-
X15
44
N
cating lamp
16
42
HL2
17
Error indi-
X19
45
CN22
N
cating lamp
18
EH3
43
19
X3
46
EH6
N
20
CN25
XT3
49
1
Gate-
50
CN23
controller
2
53
SW2
5
54
CN17
6
XT4
AP1
55
220VAC
21
56
CN18
220VACGND
22
57
OFF
23
58
HEAT
24
CN33
59
COOL
25
60
HEAT
26
61
COOL
CN15
27
62
24VACGND
28
CN31
24VAC
63
29
64
OFF
30
66
31
Pool-pump
CN5
67
control signal
32
68
CN9
33
Pool-pump fault
69
feedback signal
34
70
KM1-6
35
71
CN26
CN4
72
XT2
KM2-6
36
73
CN27
14
74
Pump Control
39
X23
75
CN8
signal (OUT)
40
W14 W15
(AC-L)
N
W45
XT2
L1(OFF)
W43
1
X22
3-way
L2(ON)
W44
2
X21
valve1
N
3
L1(OFF)
W46
4
X14
2-way
L2(ON)
W47
W50
5
X13
valve2
N
6
W48
A2
A1
KM1
X17
7
W49
A2
A1
W51
X18
KM2
8
9
L1(OFF)
W52
10
X8
2-way
L2(ON)
W53
W54
11
X7
valve1
N
12
W55
Other
13
X6
thermal
N
W59
14
HL1
W57
Running
15
X15
W60
indicating lamp
16
HL2
W58
X19
Error indicating
17
W61
lamp
18
W56
19
X3
W62
EH6
EH3
20
XT3
220VAC
W63
21
W64
220VACGND
CN18
22
OFF
W70
AP1
23
HEAT
W71
CN33
24
COOL
W72
25
HEAT
W65
26
COOL
W66
27
24VACGND
W67
28
24VAC
W68
CN31
29
OFF
W69
30
W73
Pool-pump control
31
AP1
W74
signal
32
W75
CN9
Pool-pump fault
33
W76
feedback signal
34
W77
TC
KM1-2
35
W78
CN26
XT5
XT2
W79
KM2-2
36
W80
CN27
3
XT4
W81
Pump Control
39
W82
CN8
signal (OUT)
40
XT4
Gate controller
W102
5
W103
CN23
6
W104
SW2
9
W105
CN17
10
L5
24
25
L1
26
20K
RT1
20K
RT14
82
AC-L
20K
RT2
RT15
81
15K
AC-N
T-SENSOR2
50K
RT16
20K
RT3
20K
RT17
86
T-SENSOR3
87
p
HP
CN5
15K
RT7
76
88
77
HPP
89
90
SP1
20K
91
RT8
COM-ESPE2
92
S
H-PRESS
P
20K
RT9
SP2
FA
20K
RT10
S
L-PRESS
P
AP2
SP3
S
ENTH-PRESS
FB
P
SW3
YV1
ENTH
DC-MOTOR1
TC
YV4
4V
EH4
HEAT
EH5
VA-1
CN7
CN8
15K
RT6
2
48
L10
AP
CN1
3
4
Communication line
Display
board
L8
Electric component position map
AP3
L9
BK/BN
L-OUT
M2
BU
N-OUT
YE/GN
L
L9
47
PE
PE
L5
X5(L1-F)
W1
X1(AC-L1)
X6(L2-F)
W2
X2(AC-L2)
AP3
X7(L3-F)
W3
X3(AC-L3)
X11(L1)
W4
X4(N)
X9(E)
X8(N-F)
W22
W112
PE
RT1
20K
CN10
RT2
RT14
20K
20K
X2(AC-N)
RT15
15K
X1(AC-L)
RT3
T-SENSOR2
20K
RT16
CN13
50K
PWR1
RT17
20K
RT7
T-SENSOR3
15K
CN14
COM-ESPE2
p
HP
W37
W38
HPP
RT8
20K
CN20
H-PRESS
FA
RT9
20K
SP1
CN21
RT10
20K
CN22
L-PRESS
SP2
FB
AP2
SW3
ENT-PRESS
CN25
SP3
DC-MOTOR0
YV1
ENTH
CN1
4YV
TC
4V
DC-MOTOR1
CN3
EH5
VA-1
EH4
CN2
HEAT
CN7
CN8
L14
M3
L15
XT5
BN
W113
1
XT1-L1
M
CN4
W114
L16
BU
XT1-N
2
YE/GN
3
4
PE
W98
CN5
Display
board
2
RT6
15K
CN15
AP
CN1
29
CODE
AP
Main Board Only For RT6
AC-L
AP3
E1
AP1
Indoor unit Main Board
AC-N
80
AP2
Outdoor unit Main Board
L-OUT
N-OUT
AP3
Filter Board
AP4
Drive Board
PE
COMP
Compressor
83
84
85
EH3
Plate heat exchanger anti-freezing
L3
EH4
Compressor band heater
L2
X1
X2
EH5
Bottom band heater
EH6
expansion tank heater
L4
EKV1
Electronic expansion valve coil1
EKV2
Electronic expansion valve coil2
HL1
Running indicating lamp
L6
AC-L
N
HL2
Error indicating lamp
PWR
HP
High pressure switch
KM1
Auxiliary electric heater 1 AC contactor
AP4
KM2
Auxiliary electric heater 2 AC contactor
L
Electrical Inductance
COMM
L1
Electrical Reactance
U V W
L2-1 L1-1 L1-2 L2-2
L2
Electrical Inductance 1
L3~L10
Magnetic ring
93 94 95
WH
5
YE
BN
BU
M1
DC motor
4
L7
EKV1
M2
Indoor unit pump
3
RT1
Plate heat exchanger water-out temp sensor
2
1
RT2
Water-in temp sensor of the whole unit
L
COMP
3
RT3
Water-out temp sensor of the whole unit
5
PE
96
RT6
Remote room temp sensor1
4
EKV2
RT7
Remote room temp sensor2
3
2
RT8
Pool water temp sensor
PE
1
RT9
Pool water-in temp sensor
RT10
Pool water-outt temp sensor
RT14
Defrosting temp sensor
RT15
Outdoor temp sensor
RT16
Discharged temp sensor
RT17
Suction temp sensor
SP1
High pressure sensor
SP2
Low pressure sensor
SP3
Enthalpy increasing pressure sensor
SW2
Swimming Pool waterflow switch
M1
SW3
Indoor units waterflow switch
TC
Transformer
XT1
Terminal block(L,N,1,2)
PE
XT2
Terminal block(1~20)
XT3
Terminal block(1~6)
XT4
Terminal block(21~42)
YV1
Increase Enthalpy solenoid valve
YV4
4-way valve coil
L2
TC
AP2
AP1
AP4
AP3
XT4
XT3
XT1
XT2
L6
W19
CODE
X1(L1-F)
4YV
4-way valve coil
W20
X2(L2-F)
AP
Main Board Only For RT6
W21
X3(L3-F)
AP1
Indoor unit Main Board
L7
W25
AP2
Outdoor unit Main Board
X4(L1-1)
W26
AP3
Filter Board
RD
X5(L2-1)
AP4
Drive Board
W27
L4
X6(L3-1)
COMP
Compressor
L1
L2
L3
BK
AP4
EH3
Plate heat exchanger electric heater
L8
W30
EH4
Compressor band heater
X9(L3-2)
EH5
Botton band heater
W29
X8(L2-2)
EH6
Expand jar electric heater
W28
X7(L1-2)
EKV1
Electric expansion valve coil 1
L9
W31
EKV2
Electric expansion valve coil 2
W32
PWR
HL1
Running indicating lamp
L10
W108
W109
HL2
Error indicating lamp
W110
COMM
HP
High pressure switch
W111
L1 L3
Inductor
L4
Electrical Inductance
5
4
L5 L16 Magnetic Ring
EKV1
3
M1
UP DC Motor
2
1
M2
Down DC Motor
M3
Indoor unit pump
5
4
EKV2
RT1
Plate heat exchanger water-out temp sensor
3
2
RT2
Water-in temp sensor of the whole unit
W33 W34 W35
1
RT3
Water-out temp sensor of the whole unit
RT6
Remote Air temp sensor 1
RT7
Remote Air temp sensor 2
RT8
Pool water temp sensor
RT9
pool water-in temp sensor
COMP
3~
RT10
Pool water-out temp sensor
W36
RT14
Defrosting temp sensor
PE
RT15
Outdoor temp sensor
RT16
Discharged temp sensor
RT17
Suction temp sensor
M
M
M1
M2
SP1
High pressure sensor
SP2
Low pressure sensor
SP3
Increase enthalpy pressure sensor
SW2
Pool waterflow switch
SW3
Indoor units waterflow switch
TC
Transformer
YV1
Increase enthalpy solenoid valve
eries
NAME
NAME