Johnson Controls MAHP18B21S - Figure 40. Connection to Expansion Valve Box

PMGB0406B rev.1
65
21.4.6 Connection to Expansion Valve Box
(1) Remove the expansion valve box cover with the four screws. Then remove the terminal block cover with
the four screws.
(2) Connect the ¿ ve cable for the expansion valve to the corresponding terminals 1, 2, 3, 4, 6 (EXP. VALVE) of
terminal block (TB2) inside the control box.
(3) Pass the expansion valve cable through the connecting hole for the expansion valve cable on the DX-Kit
control box.
(4) Connect the other end of cable to the corresponding terminals 1, 2, 3, 4, 6 (EXP. VALVE) of terminal block
(TB3) inside the expansion valve box.
(5) After the cable installation is complete, exercise caution when reinstalling the terminal block cover and
expansion valve box cover.
Figure 40. Connection to Expansion Valve Box
4
5
2
3
1
6
4
3
6
EX
P
.V
ALVE
1
-
2
X
2
YX
2
X
3
Y
X5
Y
X4
Y
X
3
P
*
**
*
*
C
N4
02
CN4
0
3
C
N
4
04
C
N4
0
1
X
4
X
5
R
1
2
11
7
5
8
10
9
2
1
3
6
4
3
2
1
4
3
2
1
3
2
6
5
4
1
3
2
6
5
4
1
4
3
2
1
2 1
P
C
N
6
P
C
N
7
P
CN
3
P
CN2
Y
H
2
C
4
R
3
P
C4
Z
2
D
S
A
S
S
R
1
R8
R6
R
2
R4
P
C
2
P
C
3
C35
Z
D
2
H
A
C
N
8
C
N7
C
3
C
8
C
2
R
E
G
3
L
E
D
4
L
ED
3
L
2
D
M
2
N
T
H
M
5
THM
4
T
HM3
TH
M2
C
N
2
C
N
4
C
N3
T
P
L
4
L
3
E
F4
Z
3
Z
4
F
UNC
Z
D
1
C11
H
I
C1
D
M1
C
N
11
CN
1
7
L
ED
1
C
1
2
C
N
1
D
12
D
1
1
D
1
0
D
S
W7
DSW3
D
SW
4
D
S
W
5
D
S
W6
RS
W
1
R
S
W
2
D
S
W8
R1
T
H
M
1
L1
P
C
N
1
E
F
R
1
E
FS
1
C1
Z
1
C
N
1
92
5
C
N
1
4
P
C
1
C15
E
F
1
R
12
R
13
REG1
R
EG
2
0
1
9
8
7
6
5
4
3
2
5
4
3
2
1
0
9
8
7
6
1
F
lo
a
t
S
w
.
2
3
4
5
6
7
8
9
11
10
1
2
E
X
P
.V
ALVE
1
2
3
4
-
6
CO TN
R
OL
1
2
A
B
1
2
L
1
L
2
1
2
3
4
P
S
D
ra
in
Pump
L
1
L
2
4
3
2
1
Expansion Valve Box Cover
Expansion Valve Cable
Control Box TB2
Connected between Control Box
and Expansion Valve Box
(Ins)DX-Kit4e-rev1.indd65
(Ins)DX-Kit4e-rev1.indd65
2016/11/2515:33:04
2016/11/2515:33:04