Page 32 of 44
Water to Water Source Heat Pumps
IM 1072-1
Wiring Diagram
460-60-3, 575-60-3, Unit Sizes 360, 420
Note:
See wiring diagram legend on "Legend" on
page 34
.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
T3
T2
T1
CM1
CC1
L3
T3
L2
T2
L1
T1
R-
BL-
BK-
CC2
T3
T2
T1
CM2
L3
T3
L2
T2
L1
T1
1
TB3
4
EGB
L1
L2
L3
GR
PDB
G-14
F3
BK
BL
R
5 (L3)
4 (L2)
3 (L1)
PM
(OPTIONAL)
L1 L2
CR1
1
3
O
1,2,3,34,44
TB3
10
W
TB3
10
R-14
BL-14
BK-14
F2
F1 F2
TB6
LTC
COM1 NO1
TB3
5
CLASS 2
60 HZ
TR2
24V
2
L3
R
*
*
*
R-
BL-
BK-
*
*
*
R-
BL-
BK-
*
*
*
R-
BL-
BK-
*
*
*
LPS
Y
HPS
T1
T
C
R
X
P
10
P
11
P
12
10
S
E
C
5
M
IN
P
7
P
8
P
9
3
S
E
C
6
S
E
C
P
5
P
4
P
3
P
2
P
1
30
0
18
0
12
0
90
LP
S
B
Y
P
A
S
S
S
E
C
O
N
D
S
D
O
M
A
S
C
R
LE
D
:
O
FF
=
N
O
Y
S
IG
N
A
L
P
R
E
S
E
N
T
O
N
=
Y
S
IG
N
A
L
P
R
E
S
E
N
T
1
B
LIN
K
=
FA
U
LT
O
N
H
P
S
TE
R
M
IN
A
LS
2
B
LIN
K
S
=
FA
U
LT
O
N
LP
S
TE
R
M
IN
A
LS
LP
R
-A
L1
70
1
PK
FS-L
R
Y
FS-S
R
Y
PR
O
(OPTIONAL)
(OPTIONAL)
5
CC1
Y
W
(OPTIONAL)
HP1
BK
BL
BK
R
FL
PR
W
R
24 VAC
LTC
(OPTIONAL)
SEN 1 SEN 2
SENSOR 1
SENSOR 2
3
R
TB3
4
CCM1
CR2
1
3
BK
LPS
Y
HPS
T1
T
C
R
X
P
10
P
11
P
12
10
S
E
C
5
M
IN
P
7
P
8
P
9
3
S
E
C
6
S
E
C
P
5
P
4
P
3
P
2
P
1
30
0
18
0
12
0
90
LP
S
B
Y
P
A
S
S
S
E
C
O
N
D
S
D
O
M
A
S
C
R
LE
D
:
O
FF
=
N
O
Y
S
IG
N
A
L
P
R
E
S
E
N
T
O
N
=
Y
S
IG
N
A
L
P
R
E
S
E
N
T
1
B
LIN
K
=
FA
U
LT
O
N
H
P
S
TE
R
M
IN
A
LS
2
B
LIN
K
S
=
FA
U
LT
O
N
LP
S
TE
R
M
IN
A
LS
LP
R
-A
L1
70
1
PK
CC2
O
W
(OPTIONAL)
PR
W
R
CCM2
W
CC1-A1
O
CC1-A2
CC2-A
TB3
4
R
R
G
C1L
G
C2L
TB3
10
4
(OPTIONAL)
(OPTIONAL)
(OPTIONAL)
4,5,6,45
W
M1
M2
COPM1
Y
M1
M2
COPM2
O
R
T1
T2
24V
COPM2
T1
T2
24V
COPM1
R
TB3
10
W
W
TB3
4
UNIT MODEL
WIRE SIZE
360
10 AWG
420
8 AWG
COMPRESSOR WIRE SIZE TABLE
*
LP1
BL
7
BR
BR
LP3
6
TB4
O
O
7
TB4
6
BR
BR
LP4
8
TB5
O
O
TB5
8
9
LTC
COM2 NO2
(OPTIONAL)
HP2
BK
BL
BK
LP2
BL
9
(WHEN USED)
ALTERNATE
CR1
7
4
ALTERNATE
CR2
7
4
LINE
VOLTAGE
G CCH2
G CCH1
SPLICE
SPLICE
SPLICE
SPLICE
R-14
SPLICE
SPLICE
BK-14
R-14
BK-14
BK-14
R-14
(OPTIONAL)
WIRING DIAGRAM # 0962I-2635A, REV. B
WW* 360, 420
460-3-60, 575-3-60
Note:
See continuation of wiring diagram on
page 33