Service manual

198
WIRING DIAGRAMS
HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
AVPTC
CONT FAN
COM
CIRCULATOR BLOWER
1
1
SEE NOTE 6
CIRCULATOR
CIRCULATOR
RD
WH
TO
MICRO
R
CAS (1)
AIR
7 SEGMENT
DIAGNOSTIC
DISPLAY
PL1
SEE
NOTE 7
O
DEHUM
24 VAC
RD
4
BLWR LEARN
5
DIP SWITCHES
AIR
40 VA
2
3
1
2
8
L1
9
INDOOR
7
4
BK
1
5
BL
PL2
FUSE 3 A
208/230 VAC
GND
ECM MOTOR
HARNESS
GND
6
L2
6
L1
COM
BR
G
G
INTEGRATED CONTROL MODULE
O
4
3
W2
BK
3
1
24V THERMOSTAT CONNECTIONS
W2
L2
DISCONNECT
SEE NOTE 5
2
BL
Y2
BK
TR
C
1
3
GND (4)
2
2
INDOOR
9
RD
TH
+VDC (1)
Y1
TH
BK
Y2
RX (2)
RD
GND
4
24 V 3 A
W1
GND
4
GN
Y1
R
FAULT
RECALL
W1
8
5
W1 (1)
C
RD
DEHUM
TX (3)
BL
3
GND
HEAT SEQUENCER R2
RD
TRANSFORMER
24 V THERMOSTAT CONNECTIONS
HEAT SEQUENCER R1
GN
7
TR
2
BLWR
EQUIPMENT GND
TERMINAL
PLUG CONNECTION
LOW VOLTAGE FIELD
HI VOLTAGE FIELD
JUNCTION
HI VOLTAGE (230V)
PROT. DEVICE
INTEGRATED CONTROL
LOW VOLTAGE (24V)
FIELD SPLICE
INTERNAL TO
FIELD GND
OVERCURRENT
BK ---- BLACK
OR ---- ORANGE
BL ---- BLUE
PK ---- PINK
GY ---- GRAY
RD ---- RED
WH ---- WHITE
PU ---- PURPLE
YL ---- YELLOW
BR ---- BROWN
COLOR CODES:
GN ---- GREEN
NOTES:
1. PLACE RED WIRES ON TRANSFORMER TERMINAL 2 FOR 208 VAC OPERATION.
2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING.
3. IF ANY OF THE ORIGINAL WIRES AS SUPPLIED WITH THIS UNIT MUST BE REPLACED,
IT MUST BE REPLACED WITH WIRING MATERIAL HAVING A TEMPERATURE RATING OF AT
LEAST 105°C. USE COPPER CONDUCTORS ONLY.
4. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C AND LOCAL CODES.
5. TO RECALL THE LAST 6 FAULTS, MOST RECENT TO LEAST RECENT, DEPRESS
SWITCH FOR MORE THAN 2 SECONDS WHILE IN STANDBY (NO THERMOSTAT INPUTS)
6. RED STATUS LED PROVIDES NETWORK STATUS. GREEN RX LED INDICATES NETWORK TRAFFIC.
USE LEARN BUTTON TO RESET NETWORK.
7. DISCARD CONNECTOR PL1 WHEN INSTALLING OPTIONAL HEAT KIT.
8. THE CONDENSATE ALARM SWITCH (CAS) TERMINALS CAN ONLY BE UTILIZED WITH COMMUNICATING
MODE SETUPS AND MUST BE ENABLED WITH A COMMUNICATING THERMOSTAT. THIS FEATURE IS NOT
OPERATIONAL WITH LEGACY SYSTEMS.
USE N.E.C CLASS 2 WIRE.
0140A00244-A
1
2
3
CONDENSATE SWITCH
CAS (2)
W2 (2)
FUSE
CAS
SEE NOTE 8
CFM LED
STATUS
LED
SEE NOTE 6
SEE NOTE 6
RX LED
HTR KIT(KW)
COOL AF PROFILE
DEHUM ENABLE
TRIM ENABLE
TRIM %
AF SELECT
RESISTOR
S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13
432 1
C
W2
W1
BL
GY
BK
RD