27
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 is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
27 Wiring Diagrams
CON
T FA
N
4 CIRCUIT HEATER
CONNECTOR
COM
CIRCULATOR BLOWER
1
1
SEE NOTE 6
CIRCULATOR
CIRCULATOR
RD
WH
TO
MICRO
R
CAS (1)
AIR
230 VAC
7 SEGMENT
DIAGNOSTIC
DISPLAY
PL1
SEE
NOTE 7
O
DEHUM
4 C
IRC
UIT
MO
TO
R
CO
NNE
CTO
R
24 VAC
RD
4
BLWR
LEARN
5
DIP SWITCHES
AIR
40 VA
2
3
1
2
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
G
INTEGRATED CONTROL MODULE
O
4
3
W2
BK
3
1
24V
TH
ERM
OST
AT
CON
NEC
TIO
NS
COM
W2
L2
DISCONNECT
SEE NOTE 5
2
BL
Y2
BK
TR
C
1
3
GRND (4)
2
2
INDOOR
9
RD
TH
+VDC (1)
Y1
208 VAC
TH
BK
Y2
RX (2)
RD
GRND
4
24 V 3 A
W1
GRND
4
GN
Y1
R
FAULT
RECALL
W1
8
5
W1 (1)
C
RD
DEHUM
TX (3)
BL
TWO-STAGE INTEGRATED CONTROL MODULE
3
GRND
HEAT 2 COIL/ R2
RD
TRANSFORMER
24 V TH
ER
M
OSTAT C
ON
NECTI
ON
S
HEAT 1 COIL/R1
GN
7
TR
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, 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-B
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
HT
R KIT
(K
W
)
CO
OL AF P
ROFI
LE
DE
HU
M
EN
AB
LE
TRIM E
NAB
LE
TRIM %
AF SEL
ECT
RESISTOR
S1 S2 S3 S4
S5 S6 S7 S8
S9 S10 S11 S12 S13
4 3 2 1
C
W2 W1
BL
GY
BK
RD