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21
DEHUM
STD
BLK
7 7
6 6
11 11
10 10
8 8
2 2
3 3
4 4
1 1
5 5
9 9
12 12
BLU
YEL
ECON
PLUG
YEL
BLK
ENERGIZED
LEGEND
FIELD SPLICE
TERMINAL (MARKED)
TERMINAL (UNMARKED)
SPLICE (IF USED)
SPLICE (MARKED)
FACTORY WIRING
FIELD CONTROL WIRING
FIELD POWER WIRING
ACCESSORY OR OPTIONAL
WIRING
TO INDICATE COMMON
POTENTIAL ONLY:
NOT TO REPRESENT WIRING
CAP CAPACITOR
CCH CRANK CASE HEATER
GND GROUND
HR HEATER RELAY
IFM INDOOR FAN MOTOR
OFM OUTDOOR FAN MOTOR
TRAN TRANSFORMER
IFM
T1
T3
T2
R
G
Y1
W3
W2
C
TRAN
24
24
460
460
YEL
BRN
C
11 21
BLK
YEL
YEL
GRN
RED
YEL
WHT
BRN
VIO
P4
P2
P1
R
C
COM
HIGH
3A
FUSE
Y
1
2
4
3
5
1
2
3
4
5
4
3
2
1
6
7
W3
W2
G
Y2/DH
Y1/Y
R
C
Y
R
W2
C
W2
W3
W3
C
W2
GRN-YEL
GND
L2
L1
COM
BRN
BRN
CCH
BLK
RED
1
COMP COMPRESSOR MOTOR
COM
GRN
2435
24VAC
COM
IFB INTERFACE FAN BOARD
NOTES:
1. IF ANY OF THE ORIGINAL WIRES FURNISHED ARE REPLACED,
IT MUST BE REPLACED WITH TYPE 90 DEGREE C WIRE OR
IT'S EQUIVALENT.
2. SEE PRICE PAGES FOR THERMOSTAT AND SUBBASES.
3. USE 75 DEGREE COPPER CONDUCTORS FOR FIELD INSTALLATION.
4. REFER TO INSTALLATION INSTRUCTIONS
FOR CORRECT SPEED SELECTION OF IFM.
5. RELOCATION OF SPEED TAPS MAY BE REQUIRED
WHEN USING FIELD INSTALLED ELECTRIC HEATERS,
CONSULT INSTALLATION INSTRUCTIONS TO
DETERMINE CORRECT SPEED TAP SETTING.
6. "DO NOT DISCONNECT PLUG UNDER LOAD."
7. THIS FUSE IS MANUFACTURED BY LITTELFUSE, P/N 257003
8. THESE FUSES ARE MANUFACTURED BY COOPER BUSSMAN, P/N FNQ-R-5
9. DEHUM FEATURE CANNOT BE USED WHEN ECONOMIZER IS INSTALLED.
UNIT FACTORY-SHIPPED IN STD MODE.
ACCESSSORY ELECTRIC HEAT
HR1 (5 KW)
HR1 & 2 (10 KW)
HR1,2 & 3 (15 KW)
HR1,2,3
& 4 (20 KW)
HR3
HR2
HR4
1
3
HR1
1
3
BRN
BRN
BRN
BRN
BRN
RED
BLK
YEL
FIELD
SUPPLY
POWER
UNIT ONLY
MAXIMUM WIRE
SIZE 2 AWG.
1
1
SCHEMATIC
460-3-60
OFM
COMPRESSOR PLUG
EQUIP_GND
1
1
1
1
1
WHT
VIO
PNK
GRY
BRN
WHT
VIO
PNK
GRY
BRN
BRN
IFB
24V SPLICE
DISCONNECT
PER NEC
EQUIP.
GND
OFM
CONTROL BOX AREA
COMP
C
S
R
CAP
H
CF
IFM
UNIT COMPONENT ARRANGEMENT
OUTDOOR FAN
SECTION
COMPRESSOR
SECTION
INDOOR FAN
SECTION
TRAN
SINGLE PT.
CONNECTION
FOR
ELECT.HEAT
SEE HEATER
SCHEMATIC
FOR WIRING
24V POWER ENTRY
BOX
CCH
GRN/YEL
BLU
GND
PNK
RED
ORN
BLK
IF USED
SEE NOTE 5 & 6
1
BLU
L1
L3
L2
13 23
CAP
C
21
11
1323
BLU
DANGER: ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING
CONNECTION WIRING DIAGRAM
SEE NOTE 4
C
C1
C2
IFB
TSTAT
C CONTACTOR
HPS HIGH PRESSURE SWITCH
LPS LOW PRESSURE SWITCH
COMP
SEE NOTE 7
BLK
YEL
BRN
RED
BLK
SAT
ECON
PNK
BLK BLACK
BLU BLUE
BRN BROWN
GRY GRAY
GRN GREEN
ORN ORANGE
PNK PINK
RED RED
VIO VIOLET
WHT WHITE
YEL YELLOW
COLOR CODE
BLU
BLU
Y2
GRY
GRY
PNK
FU1 5 AMP
FU2 5 AMP
BLK
RED
1
4
23
C
C
460V
230V
RED
YEL
BLK
BLK
AUTOTRANSFORMER
SEE NOTE 8
BLK
YEL
HPS
LPS
BLK
BLU
BLU
BLK
DH DEHUMIDIFICATION MODE
DEHUM DEHUMIDIFICATION MODE
ECON ECONOMIZER
STD STANDARD MODE
LOW
LPS
HPS
DH
BLU
FOR WIRING WITH
ELECTRIC HEATERS
SEE SCHEMATIC
ON HEATER
ACCESSORY.
SEE NOTE 9
A10204C
Fig. 14 -- Connection Wiring Diagram 460 -- 3--60
50VL--A