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B4
OUTDOOR FAN
(LEADED)
ORANGE-RUN
3
BLACK-COMMON
PURPLE-
CAPACITOR
F
S87 LOW
B1
PRESSURE
COMPRESSOR
SWITCH
C
R
S
S4
HIGH
L34
PRESSURE
10
SWITCH
K1-1
COMPRESSOR
CONTACTOR
11
L1
R
C
B1
S40
COMPRESSOR
2
5
S
K31
2
YELLOW
1
13
12
H
C7
RED
HR1
C
F
L2
EQUIPMENT
GROUND
3
INDOOR
THERMOSTAT
UNIT
TB1
A2
R
R
W
W1
W2
G
G
YELLOW
Y1
Y
BLUE
Y2
BLACK
C
C
Page 13 of 17
GROUND
START
LUG
CAPACITOR
K1
COMPRESSOR
K31
CONTACTOR
4
2
POTENTIAL
RELAY
(OPTIONAL)
1
5
C12
DUAL
C
H
CAPACITOR
2
S11
D4
10
B4
FAN MOTOR
(LEADED)
BLUE
C12 DUAL
CAPACITOR
INDOOR
UNIT A92
THERMOSTAT
TB1
5
A2
DS
D
W914
R
R
O
H
W951
W1
W1
6
W2
W2
G
G
YELLOW
Y1
Y1
BLUE
4
Y2
Y2
BLACK
C
C
FIGURE 15. Typical Field Wiring
K1-1
COMPRESSOR
CONTACTOR
L1
L2
EC MOTOR CONNECTION
(NS18A60TA4)
S4
YELLOW
Y1
BLUE
Y2
S87
BLACK
C
K1
INDOOR
UNIT
TB1
R
9
W3
W2
W1
7
G
DS
O
YELLOW
Y1
4
BLUE
Y2
BLACK
C
Issue 2227
RED
EQUIPMENT
GROUND
RED
NOTE-
1
FOR USE WITH COPPER CONDUCTORS
ONLY. REFER TO UNIT RATING PLATE
FOR MINIMUM CIRCUIT AMPACITY AND
MAXIMUM OVERCURRENT PROTECTION SIZE
2
REFER TO COMPRESSOR IN UNIT FOR
ACTUAL TERMINAL ARRANGEMENT
3
WARNING-
ELECTRIC SHOCK HAZARD,CAN CAUSE INJURY
OR DEATH.UNIT MUST BE GROUNDED IN ACCORDANCE
WITH NATIONAL AND LOCAL CODES.
4
REMOVE JUMPER FOR TWO STAGE COOL
5
ON A92 CUT ONBOARD W914 JUMPER FROM D5
TO R, WHEN HUMIDITY CONTROL IS USED
6
ON A92 DO NOT CUT ONBOARD W951 JUMPER
FROM R TO O. IT IS USED FOR APPLICATIONS
FOR CONDENSING UNITS
7
FOR CONDENSING UNIT APPLICATIONS USE R TO
O JUMPER. REMOVE IN HEAT PUMP APPLICATIONS
8
REMOVE DS TO Y1 JUMPER WHEN HUMIDITY
CONTROL IS USED
9
WHEN TWO STAGE THERMOSTAT IS USED, CONNECT
SECOND STAGE HEAT BULB TO TERMINAL "W2", AND
REMOVE JUMPER BETWEEN "R" AND "W2"
10
L34 SOLENOID IS LOCATED IN COMPRESSOR.
COIL IS 24VDC. DO NOT CONNECT 24VAC
THERMOSTAT
TO COIL TERMINALS
A2
11
S11 IS OPTIONAL LOW AMBIENT SWITCH
R
OPTIONAL HARD START KIT MAY BE REQUIRED
12
ON APPLICATIONS WHERE VOLTAGES ARE LESS THAN
230 VOLT KIT ICLUDES K31 AND C7 WITH ALL NECESSARY
W2
WIRING.
W1
13 S40 AND HRI ARE USED ON 048 AND 060 UNITS ONLY
NOTE-
G
IF ANY WIRE IN THIS APPLIANCE IS REPLACED,IT
MUST BE REPLACED WITH WIRE OF LIKE SIZE,
RATING, INSULATION THICKNESS, AND TERMINATION.
H
NOTE-MINIMUM TRANSFORMER REQUIRED IN
D
INDOOR UNIT-40 VA
LINE VOLTAGE FIELD INSTALLED
8
CLASS II VOLTAGE FIELD WIRING
DENOTES OPTIONAL COMPONENTS
Y1
Y2
C
508277-01G / 31-5000716
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