TYPICAL SCHEMATIC WIRING DIAGRAM
NOTE:
1. Refer to next page for legend, notes & wiring diagram for optional items.
2. Refer to unit control box (inside panel) for exact wiring diagram.
MODELS : CX240 - CX360 (DUAL COMPRESSOR UNITS)
13
27B
OLR2-1
OLR1-1
27A
C1-SAFETY RELAY
TO
AHU
[AI2]
FOR FAN MOTORS CONNECTIONS
SEE FAN MOTOR CONNECTION DIAGRAM
2
8
6
7
4
5
3
1
USE FOR OPTION-3-B ONLY
41B
41A
YR2
C2-COOLING RELAY
YR1
C1-COOLING RELAY
ATB
TRANS1
230V
CB
15
17
LPS2
[SSPS2]
FOR COMPRESSOR CONNECTIONS
WITH PART WIND START-SEE ABOVE
SR2-1
JP8
2B
JP7
24B
25B
3B
26B
C2-CONTROL RELAY
CR2
C2-SAFETY RELAY
C2-CONTACTOR
CC2
SR2
FOR COMPRESSOR CONNECTIONS
WITH PART WIND START-SEE ABOVE
SR1-1
2A
3A
C1-CONTROL RELAY
CC1
C1-CONTACTOR
CR1
CONNECTIONS SEE BELOW
[AI1]
[UVM]
[SD]
LPS1
JP1
1
1A
ATB1
1B
JP2
SEE NOTE-8
[SSPS1]
24A
25A
JP4
L1D
L3B
L2D
2
2
CC2
CC4
2
2
CC4
SR2
3E
T3
D
3E
T1
D
T3
B
COMP
3I
CB4-1
2
T2
D
CC2A-2
CC2A-2
OLR2-1
81B
3F
OLR4-1
TDS2-1SEC
SEE CONN.BELOW
FOR TDS OPTION
27B
L2B
L1B
L2
C
L1
C
L2A
L1A
L3A
L3
C
T2
B
T1
B
3H
CB2-1
2
2
3B
3I
26B
T2
C
T1
C
COMP
1
T2
A
T1
A
T3
A
3D
FOR TDS OPTION
SEE CONN.BELOW
CC3
SR1
27A
3D
T3
C
CC1
CC3
2
2
HVTB
3G
CB3-1
CB1-1
3F
3C
81A
3G
26A
CC1A-2
OLR1-1
3A
TDS1-1SEC
CC1A-2
OLR3-1
2
1
FMC2A-1
FMC1A-1
FMC3
13A
2
FM3
104
106
10
5
107
10
2
103
FM2
37
A
36
B
35
B
FMC2
37
B
35
C
36
C
FMC3
L2
CB6
L1
L3
10
8
37
C
2. 3FM CONNECTION:
FAN MOTOR CONNECTIONS - STANDARD
1. 2FM CONNECTION:
[CX240/300]
[CX360]
ATB2
ATB2
CR2-2
CR1-2
1
FCS2
FCS1
12A
12
FMC1
FMC2
13
2
CONTACTOR
CONTACTOR
FAN1
FAN2
POWER SUPPLY
PLS. REFER UNIT NAME PLATE
WRG DGM SUITS
230V/3PH/60Hz
460V/3PH/60Hz
380V/3PH/60Hz
NOTE:
1.NTB IS APPLICABLE FOR
380V/3PH/60Hz
2.FOR UNIT WITH ABOVE
VOLTAGE CONNECT L2 OF
TRANS TO NTB
L1
TRANS2
5
3
F1
F3
460V
230V
F2
F4
6
4
L3
TRANS2 CONNECTION APPLICABLE FOR 460V UNIT
35A
36A
FMC1
10
0
10
1
FM2
1
CR2-2
CR1-2
FMC2
37A
36
B
37
B
35
B
10
2
104 10
5
103
FMC1
2
35
B
36
B
37
B
35C
35
A
36
A
37
A
FMC1
FMC2
13
1
2
FM1
FMC2A-1
FMC1A-1
FCS2
FCS1
12A
FM2
FMC2
101
102
100
FMC3
105
104
103
106
36C
37C
FMC3
13A
2
FM3
108
107
FM1
FMC1
2. 3FM CONNECTION:
FAN MOTOR CONNECTIONS - LOW AMBIENT OPTION
FMC1
L2
1. 2FM CONNECTION:
L1
CB6
CR1-2
1
12
[CX240/300]
L3
FMC2
CR2-2
2
1
13
CR1-2
2
1
12
L2
FM1
100
101
36
A
35
A
FMC1
L1
CB6
100
104
10
5
101
10
2
103
37
B
37
A
FM2
36
B
35
B
FMC2
35
A
36
A
FMC1
L3
[CX360]
CB6
L1
L2
L3
FMC2
2
1
13
CR2-2
87
B
88
B
86
B
88
A
87
A
86
A
87C 88C
86C
88A
87A
86A
88D
87D
86D
86B 87B 88B
CC2
OLR2
2
COMP
T2B
T3B
OLR1
CC1
1
COMP
T2A
T3A
T1A
T1B
L3D
26A
JP6
CONTROL CONNECTION
SR1
ATB1
2
COMPRESSOR CONN. WITH PART WIND START&CIRCUIT BREAKER OPTION
LUG
L2
L3
L1
FOR FAN MOTOR
HVTB
YR1-1
YR2-1
SR1-2
39A
40A
39B
SR2-2
40B
24V
16
F1
L1
L2
SEE NOTE-8
F2
PDSR1-1
4A
PDS1
CR1-1
CR2-1
PDSR2-1
4B
PDS2
38A
PDSR1
PDSR2
38B
12
1
FM1
3A
OLR3-1
81A
CC1A-2
CC1A-2
3A
3D
3F
3E
3D
FOR OPS & DTS CONNECTION
SEE OPTION 4 & 6
OLR4-1
SR1
2
2
OLR2-1
26B
81B
3B
SR2
27B
2
2
TDS2-1SEC
SEE CONN.BELOW
FOR TDS OPTION
CC3
CC3
2
CC1
2
CC2A-2
CC2A-2
3B
COMP
1
T3
A
T2
A
T1
C
T2
C
T3
C
T2
B
T1
B
CC4
CC4
CC2
3E
2
2
COMP
2
T1
D
T3
B
T3
D
T2
D
COMPRESSOR CONN. WITH PART WIND START
86A
L2
L3
L1
HVTB
88B
87B
88C
87A
88A
86C 87C
SEE CONN.BELOW
T1
A
27A
TDS1-1SEC
FOR TDS OPTION
3C
OLR1-1
26A
FOR OPS&DTS CONNECTION
SEE OPTION-4 & 6
FOR OPS&DTS CONNECTION
SEE OPTION-4 & 6
SEE OPTION 4 & 6
FOR OPS & DTS CONNECTION
SEE HPS OPTION BELOW
SEE HPS OPTION BELOW
*
*
86B
86D
88D
87D
NTB
