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 : CX150 (SINGLE COMPRESSOR UNITS)
9
CLOSE(PSIG)
OPEN(PSIG)
NAME
FCS
190 ± 15
290 ± 10
45
LPS1
HPS
450 ± 10
LPS 25
±
5
55
360 ± 15
50 ± 5
SET POINTS
TRANS2 CONNECTION APPLICABLE FOR 460V UNIT
L1
F1
F3
230V
460V
TRANS2
3
5
4
6
F2
F4
L3
PLS. REFER UNIT NAME PLATE
VOLTAGE CONNECT 37A,37B OF
1PH FM & L2 OF TRANS TO NTB
1.NTB IS APPLICABLE FOR
380V/3PH/60Hz
2.FOR UNIT WITH ABOVE
WRG DGM SUITS
230V/3PH/60Hz
460V/3PH/60Hz &
380V/3PH/60Hz
NOTE:
POWER SUPPLY
26A
COMP
T3A
OLR-1
27A
T1A
T2A
SR
2
73A
71A
72A
L3
CC
CC
LUG
HVTB
L3
L2
L1
35A
COMP
CAP1
FM1
CAP2
35B
36A
T1
A
T2
A
T3
A
36B
37A
FM2
37B
73
B
72
B
71
B
71A
72A
73A
OLR1-1
SR-1
COMP.CONN WITH OLR & W/OUT CB OPTION
HVTB
SEE CONN.BELOW
FOR TDS OPTION
TDS1-1SEC
CC1A-1
3A
3C
CC1A-1
3D
3A
L2
L1
3D
CC2
2
26A
CC2
CC1
2
2
T2
A
T1
A
1
COMP
2A
T1
C
T3
A
T3
C
T2
C
OLR2-1
27A
81A
SR
2
T3
C
T3
A
T1
C
T2
C
T1
A
T2
A
COMP
1
CB1-1
3E
CB2-1
3F
3A
71A
73A
72A
73
B
71
B
72
B
FCS
COMPRESSOR CONNECTION WITH PART WIND START ONLY
WITH CIRCUIT BREAKER
WITHOUT CIRCUIT BREAKER
L3
L2
L1
HVTB
L3
L2
HVTB
L1
CB
L1A
71A
T1
A
CC
LUG
73A
72A
T3
A
T2
A
COMP
3A
FM1
L3A
L2A
CAP1
35A
36A
37A
CB1
L1A
L3A
L2A
L2B
L1B
L3B
CB2
12
FMC
FM2
2
CAP2
35B
36B
37B
FMC
T2A/72A
LOW AMBIENT OPTION CONNECTION
APPLICABLE FOR 230V - 1PH FAN MOTOR
CIRCUIT BREAKER OPTION
HVTB
L1
L2
L3
TO CC
T1A/71A
T3A/73A
TO CC
T2A/72A
AHU
TO
41A USE FOR OPTION-3-B ONLY
5
4
3
2
39A
38A
1
ATB
SR-2
40A
15
CB
16
24VAC
C-PUMP DOWN SOLENOID RELAY
17
YR
PDSR
C-COOLING RELAY
JP1
[UVM]
1
F2
*
[SSPS]
[AI]
FOR COMP.CONN.WITH PART WIND START-SEE ABOVE
JP4
PDSR-1
TRANS1
YR-1
LPS
2A
24A
4A
JP6
SR-1
25A
3A
26A
ATB1
SEE HPS OPTION BELOW
JP2
1A
[SD]
1B
F1
230VAC
SEE NOTE-8
L1
L2
C-PUMP DOWN SOLENOID
PDS
C-CONTROL RELAY
CR
CC
SR
C-CONTACTOR
C-SAFETY RELAY
ATB1
2
NTB
