19
Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring.
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING.
MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO
MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
WARNING
Wiring Diagram
CIRCULATOR BLOWER
1
1
CIRCULATOR
CIRCULATOR
RD
WH
TO
MICRO
AUX IN
AIR
230 VAC
PL1
SEE
NOTE 7
DEHUM
24 VAC
RD
4
BLWR
5
AIR
40 VA
8
40 VA TRANSFORMER, SEE NOTE 1
L1
9
INDOOR
7
24 VAC
4
BK
1
5
BL
PL2
FUSE 3 A
208/230 VAC
GRND
ECM MOTOR
HARNESS
GRND
6
L2
6
L1
COM
BR
G
INTEGRATED CONTROL MODULE
W
BK
3
24V
T
HE
RM
O
S
TA
T CO
NNE
CT
IO
NS
COM
L2
DISCONNECT
BL
BK
TR2
C
3
GRND (4)
2
2
INDOOR
9
RD
TH2
+VDC (1)
Y
208 VAC
BK
RX (2)
RD
GRND
GRND
4
GN
R
8
5
EH1
RD
TX (3)
BL
3
GRND
ELECTRIC STAGE 2
RD
TRANSFORMER
ELECTRIC HEAT STAGE 1
GN
7
2
BLWR
EQUIPMENT GRND
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 GRND
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, DEPRESS THE RIGHT PUSH BUTTON FROM STATUS MENU ONCE AND THEN
USE THE LEFT OR RIGHT BUTTON TO REVIEW ALL THE FAULTS HISTORY.
6. 2 GREEN LEDS INDICATES CLIMATE TALK AND DATAAC NETWORK TRAFFIC STATUS. USE LEARN MENU FOR CLIMATE TALK NETWORK RESET.
7. DISCARD CONNECTOR PL1 WHEN INSTALLING OPTIONAL HEAT KIT.
8. THE CONDENSATE ALARM SWITCH (AUX) TERMINALS CAN ONLY BE UTILIZED WITH COMMUNICATING MODE SETUPS AND MUST BE ENABLED WITH
COMMUNICATING THERMOSTAT. THIS FEATURE IS NOT OPERATIONAL WITH NON COMMUNICATING SYSTEMS.
9. USE N.E.C CLASS 2 WIRE.
10. SEE MANUAL FOR PUSH BUTTON OPERATION
11.
SEE MANUAL FOR 7-SEGMENT DISPLAY DIAGNOSTIC CODES AND MENU CODES
12. SEE MANUAL FOR LEDS FUNCTIONALITY
13. R AND C TERMINALS (USED FOR 24VAC OUTDOOR CONTROL VOLTAGE) ARE OPTIONAL FOR 2 STAGE COMMUNICATING AIR CONDITIONERS. R AND C TERMINALS
ARE NOT TO BE USED FOR 2 STAGE COMMUNICATING HEAT PUMP APPLICATIONS.
FOR COMMUNICATING HEAT PUMP OR IF ONLY TWO THERMOSTAT WIRES ARE AVAILABLE, A SEPARATE TRANSFORMER MUST BE INSTALLED IN THE OUTDOOR
UNIT FOR CONTROL BOARD POWER.
1 AND 2 WIRES ARE REQUIRED FOR ALL APPLICATIONS. SEE INSTALLATION MANUAL FOR FULL SYSTEM WIRING EXAMPLES.
0140A00705-A
1
2
3
CONDENSATE SWITCH
AUX OUT
EH2
RESISTOR
4
3
2
1
SEE N
O
TE 9
4 - GND
NC
SEE NOTE 6
G
Y
P
U
WH
G
R
B
L
R
D
B
L
R
D
G
Y
BK
TH
ER
MO
ST
AT
O
UT
DO
O
R UNI
T
(SEE N
O
TE 1
3)
