OLR2
CC1
CC2
OLR1
OLR2
CC2
CB6
CB7
CB6
CB6
UVM-1
CC1
OLR1
CC3
OLR3
CB7
FMC1
CB6
CB8
FMC5
FMC4
FMC2
CB7
FMC6
FMC2
FMC1
FMC2
FMC1
FMC3
FMC1
OPS1-1
OPS2-1
FMC4
FMC2
CC2A-1B
CC1A-1B
DIP SWITCH SETTINGS - MB BOARD
JU11 - CLOSED (1,2)
OFF
TD2 - CLOSED
S1
ON
1
2
OFF
3
OFF
4
OLR2
CC2
OLR4
CC4
OLR3
CC3
OLR1
CC1
ATB
JU9 - CLOSED (1,2)
JU8 - CLOSED (1,2)
JU7 - CLOSED (1,2)
JU6 - CLOSED (1,2)
JU5 - CLOSED (1,2)
JU4 - CLOSED (1,2)
JU3 - CLOSED (1,2)
JU2 - CLOSED
JU1 - CLOSED
HPS1 & 2
HIGH PRESSURE
HGS
LOW PRESSURE
TL2 - OPEN
TL1 - OPEN
TU2 - CLOSED
TU1 - CLOSED
JU19 - CLOSED (1,2)
JU15 - CLOSED (1,2)
JU13 - CLOSED (1,2)
JU12 - CLOSED (1,2)
JUMPER SETTINGS - MB BOARD
PRESSURE SETTINGS
460 ± 10
CUT-OFF (PSIG)
--
--
DESC.
--
--
360 ± 15
--
CUT-IN (PSIG)
--
2
20
ATB
MOTOR STARTER CONTROL
SWITCHING CONTACT
AHU MOTOR ON/OFF
R2-1
R2 (230Vac)
(OPTIONAL)
AHU CONTROL INTER-CONNECTIONS
CONDENSING UNIT
CONTROL PANEL
LVTB
17
67
ATB
1
ATB
ATB
G
CONTROL PANEL
AIR HANDLING UNIT
(AHU MOTOR CONTROL)
R1-1
R1 (24Vac)
(REMOVE JP7)
52
ATB
(N.C CONTACT)
AHU MOTOR FAULT
1
ATB
FMC3
FMC3
OLR2
CC1
CC2
OLR1
OLR4
CC4
8B
1
3
4
4-FAN MOTOR LAYOUT
CNX 720~840 / CNXM00~20
FM2
14 NO
13 NO
12D
12F
12B
13D
T.K.
T.K.
FM4
13F
FM6
T.K.
13B
FMC6
FMC4
FMC2
CONTROL
6
PANEL
5 C1
L3
L2
L1
L1 L2 L3
L2
L1
L3
FM2
FM3
FM1
TO MB
10 NO
9 NO
12C
12E
12A
103C
35C
104A
36A
35A
103A
37A
105A
37C
36C
105C
104C
35B
36B
37B
103B
104B
105B
3B
MB
T2
B
T1
B
T3
B
9B
4-FAN MOTOR LAYOUT
CNX 480~600
L3
L2
HVTB
PANEL
4
CONTROL
3
C2 2
C1 1
1
11B
61B
OLR4-1A
CC2
CC4
T2
D
COMP
2
T1
D
T3
D
1
2
T1
B
1
T3
A
(AS APPLICABLE)
COMP
2
T2
B
T3
B
HVTB
T2
B
(REMOVE JP3A)
SSPS1
M1/11
L1/MP/L
SSPS2
L2/R/N
M2/14
8A
2
T1
C
CB1A-1A
T3
A
T1
A
T2
A
COMP
1
23A
1
T3
C
T2
C
T1
B
CB2A-1A
COMP
2
T3
B
T2
D
T1
D
T3
D
23B
L2
B
COMPRESSOR IN PWS CONNECTION WITH CB
L1
C
L3
A
L1
A
L2
A
CB1
L3
C
L2
C
L1
B
1
T3
A
T1
A
T2
A
COMP
L3
D
L3
B
L1
D
L2
D
CB2
(OPTIONAL)
2
T2
B
T3
B
T1
B
COMP
(OPTIONAL)
COMPRESSOR WITH CB CONNECTION
HVTB
L2
A
L1
A
L3
A
L3
L1
L2
CB1
L2
B
L1
B
L3
B
CB2
TD1 - CLOSED
JU10 - CLOSED (1,2)
2
2
M2/14
L2/R/N
2
OLR3-1A
3-FAN MOTOR LAYOUT
CNX 360~420
COMPRESSOR POWER & CONTROL CONNECTION IN PART WINDING STARTING (PWS)
CONDENSER FAN MOTOR POWER AND CONTROL CONNECTIONS
T3
C
T2
A
COMP
L1
L3
L2
HVTB
CNX 220~300
2-FAN MOTOR LAYOUT
C1
PANEL
CONTROL
1
2
C2
10A
L1
L3
L2
HVTB
L1
PANEL
HVTB
L2 L3
CONTROL
3A
1O
MB
T1
A
OLR1-1A
CC1A-2A
11A
61A
CC3
CC1
COMP
T3
A
T2
A
1
T1
C
T2
C
Ø
L2
(REMOVE JP1)
Ø
1
Ø
L1
1A
1
UVM
Ø
8
Ø
L3
UVM CONNECTION(OPTIONAL)
L2
L1
L3
L1
L3
L2
HVTB
T1
A
POWER SUPPLY
(NOTE 4)
HVTB
LUG/ETB
L2
L3
L1
L1
L3
L2
COMP. 1:
COMP. SSPS CONNECTION(AS APPLICABLE)
COMP. 2:
OLR2-1A
CC2A-2A
L1
10B
9A
HVTB
L3
2
C2
3
C1 1
L1 L2
4O
2
COMP 2
103B
35B
12A
12D
14 NO
FM4
T.K.
12B
12C
10 NO
13 NO
9 NO
T.K.
FM2
FM3
T.K.
105A
37A
2
FM1
35A
36A
103A
104A
FM3
TO MB
T.K.
FM1
104C
36C
35C
103C
37C
105C
13A
13D
FMC4
13B
FMC2
13C
FMC3
COMP 1
FMC1
FM2
2
FM4
37B
36B
105B
104B
36D
35D
37D
104D
103D
105D
64B
OPS2
(REMOVE JP5A)
(REMOVE JP5B)
1
3B
2
240
2
64A
C.HTR2
C.HTR1
OPS1
3A
1
2
L1
L2
240
2
L2
L3
(REMOVE JP4B)
100A
101A
1
1
M1/11
L1/MP/L
C.HTR1
C.HTR2
FM6
FM5
FM4
FM3
T.K.
13C
FM5
T.K.
13E
FMC3
FMC5
T.K.
FM1
13A
2
FMC1
103E
35D
36D
104D
103D
37D
105D
37E
36E
35E
105E
104E
35F
36F
37F
104F
103
F
105F
12A
12A
HVTB
13 NO
9 NO
12B
HVTB
13B
FM2
T.K.
FMC2
103B
35B
TO MB
FM1
104A
36A
35A
103A
37A
105A
FM1
T.K.
FM2
FMC1
2
37B
36B
105B
104B
12A
13A
12B
12C
10 NO
9 NO
13 NO
HVTB
T.K.
FM2
FM3
T.K.
FMC2
13B
FMC3
13C
105C
FM3
FM1
TO MB
35A
36A
37A
103A
105A
104A
36C
35C
103C
104C
T.K.
FM1
FMC1
FM2
104B
36B
37C
35B
103B
37B
105B
C2 2
1
(SEE NOTE 3)
CRANKCASE HTR CONNECTION(AS APPLICABLE)
COMP. 1:
COMP. 2:
COMP. 1:
B. SCROLL COMP.
OIL PRESSURE SWITCH CONN.(AS APPLICABLE)
COMP. 2:
A. SEMI-HERMETIC RECIP. COMP.
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.
16
SCHEMATIC WIRING DIAGRAM
POWER SUPPLY : 460-3-60 (Dual compressor units)
APPLICABLE ON MODELS: CNX150 - CNXM10