Johnson Controls MAHP18B21S - Figure 42. Terminal Box Connection

PMGB0406B rev.1
67
Terminal Block Connection and Remarks
Control Box Terminal Block
Terminal Block 1
Terminal
No.
Label No. Description
1
PS
L1
PS: Power Supply:
Mains power supply connection (208/230V) wired to terminals L1 and L2.
2L2
3
Drain
Pump
L1
Motor for Drain Discharge (Field-Supplied):
Drain water pump with Float Switch can be connected to DX-kit.
4L2
Terminal Block 2
Terminal
No.
Label No. Description
1
EXP.
VALVE
1
EXP. VALVE: Expansion Valve Connection:
Link to expansion valve box.
Number links from 1 to 4 and 6 must match in control box terminal block TB2
and expansion valve box terminal block TB3.
22
33
44
5-
66
7
CONTROL
1
CONTROL: H-LINK and Wired Controller Communication:
H-LINK transmission between outdoor unit and indoor unit is 2 wired to
terminals 1-2.
82
9A
Wired controller must be connected between terminals A and B (Non
Polarity)
10 B
11
Float Sw.
1
Float Sw. (Optional):
Float Switch which is included with the drain water pump can be connected to
DX-kit.
Free contact between terminals 1 (11) and 2 (12)
12 2
Figure 42. Terminal Box Connection
Control Box
Control Box
TB2
TB2
TB1
TB1
X2
X2
YX2
YX2
X3
X3
YX5
YX5
YX4
YX4
YX3
YX3
P*****
P*****
CN402
CN402
CN403
CN403
CN404
CN404
CN401
CN401
X4
X4
X5
X5
R
12
11
1175 8 10921 3 64
321
4
321
32
6
541
32
6
541
4
321
21
PCN6
PCN6
PCN7
PCN7
PCN3
PCN3
PCN2
PCN2
YH2
YH2
C4
C4
R
3
R
3
PC4
PC4
Z2
DSA
DSA
SSR1
SSR1
R
8
R
8
R
6
R6
R
2
R
2
R
4
R4
PC2
PC2
PC3
PC3
C35
C35
ZD2
ZD2
HA
HA
CN8
CN8
CN7
CN7
C3
C3
C8
C8
C2
C2
REG3
REG3
LED4
LED4
LED3
LED3
L2
DM2
DM2
N
THM5
THM5
THM4
THM4
THM3
THM3
THM2
THM2
CN2
CN2
CN4
CN4
CN3
CN3
TP
L4
L3
EF4
EF4
Z3
Z4
Z4
FUNC
FUNC
ZD1
ZD1
C11
C11
HIC1
HIC1
DM1
DM1
CN11
CN11
CN17
CN17
LED1
LED1
C12
C12
CN1
CN1
D12
D12
D11
D11
D10
D10
DSW7
DSW7
DSW3
DSW3
DSW4
DSW4
DSW5
DSW5
DSW6
DSW6
RSW1
RSW1
RSW2
RSW2
DSW8
DSW8
R
1
R
1
THM1
THM1
L1
PCN1
PCN1
EFR1
EFR1
EFS1
EFS1
C1
C1
Z1
CN1925
CN1925
CN14
CN14
PC1
PC1
C15
C15
EF1
EF1
R12
R12
R13
R13
REG1
REG1
REG2
REG2
0
1
9
8
7
6
5
4
3
2
5
4
3
2
1
0
9
8
7
6
1
Float Sw.
Float Sw.
2 3 4 5 6 7 8 9
11
11
10
10
12
12
EXP.VALVE
EXP.VALVE
1 2 3 4 - 6
CONTROL
CONTROL
1 2 A B 1 2
L1
L1
L2
L2
1 2 3 4
PS
PS
Drain Pump
Drain Pump
L1
L1
L2
L2
4321
87 9
11
11
10
10
12
1221 3 54 6
3 41 2
L1 L2
1 2 3 4
PS
Drain Pump
Drain Pump
L1
L2
L2
Terminal Block 2 (TB2)
Terminal Block 2 (TB2)
Terminal Block 1 (TB1)
Terminal Block 1 (TB1)
1
Float Sw.
Float Sw.
2 3 4 5 6 7 8 9
11
11
10
10
12
12
EXP.VALVE
EXP.VALVE
1 2 3 4 - 6
CONTROL
CONTROL
1 2 A B 1 2
(Ins)DX-Kit4e-rev1.indd67
(Ins)DX-Kit4e-rev1.indd67
2016/11/2515:33:04
2016/11/2515:33:04