28
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
RD
BK
GY
BL
CO
NT
F
A
N
RD
M4
FL
4 CIRCUIT HEATER
CONNECTOR
BL
COM
CIRCULATOR BLOWER
1
1
RD
3
BK
SEE NOTE 6
BK
L2
RD
YL
8
BK
CIRCULATOR
CIRCULATOR
RD
RD
3
PLM
WH
TO
MICRO
L1
R
RD
RD
CAS (1)
AIR
5
230 VAC
BK
7 SEGMENT
DIAGNOSTIC
DISPLAY
PL1
4
2
FL
SEE
NOTE 7
TL
FOUR (4) ELEMENT ROWS
M2
HTR1
4
O
DEHUM
1
5
4
CIRC
UI
T
M
O
T
O
R
C
O
NNE
CT
O
R
24 VAC
M5
RD
4
BLWR
LEARN
5
DIP SWITCHES
2
PLM
M2
R
AIR
40 VA
L2
L1
L1
4
RD
2
3
BL
L2
1
3
3
FL
1
3
7
RD
8
THREE (3) ELEMENT ROWS
40 VA TRANSFORMER, SEE NOTE 1
L1
TL
9
L2
BL
BL
2
RD
INDOOR
M8
7
7
24 VAC
RD
4
5
7
PLM
BK
1
5
BK
BL
BK
BL
YL
PU
PL2
1
FUSE 3 A
208/230 VAC
BR
GND
ECM MOTOR
HARNESS
GND
6
L2
YL
6
L1
COM
FL
TL
9
BR
G
BK
M1
7
WH
6
MARK ACCORDING TO NUMBER OF HEATER ELEMENT ROWS INSTALLED. NO MARK INDICATES NO HEAT KIT INSTALLED.
BK
G
INTEGRATED CONTROL MODULE
RD
O
BR
TL
1
2
BK
W2
PLM
BK
3
5
M1
WH
2
4
M1
24V THER
MOST
AT
CONNE
CTIO
NS
HTR1
PU
M6
BK
COM
FL
HTR1
TL
HTR4
R1
W2
PU
L2
M2
1
FL
DISCONNECT
KIT COMBINATION ON THIS UNIT'S S&R PLATE. AFTER INSTALLING OPTIONAL HEAT KIT, MARK AN "X" IN THE PROVIDED ABOVE.
BK
SEE NOTE 5
4
6
2
BL
RD
PU
Y2
BK
RD
BK
BK
6
M3
BL
TR
C
BK
1
WH
3
9
GND (4)
M3
2
BK
2
R1
INDOOR
9
M4
RD
RD
8
TH
+VDC (1)
Y1
RD
208 VAC
9
HTR3
R2
4
TH
L1
TL
L1
BL
FL
BK
Y2
RD
HTR2
YL
RX (2)
M3
M2
RD
GND
4
TL
HTR3
24 V 3 A
W1
TL
GND
4
ONE (1) ELEMENT ROWS
GN
BL
BK
Y1
M1
R
BK
FAULT
RECALL
1
BK
3
M1
W1
RD
L2
8
9
R2
HTR2
5
M2
W1 (1)
M4
BK
C
L1
8
TWO (2) ELEMENT ROWS
RD
DEHUM
TX (3)
BL
TWO-STAGE INTEGRATED CONTROL MODULE
TL
3
GND
TL
NOTE: WHEN INSTALLING HEATER KIT, ENSURE SPEED TAP DOES NOT EXCEED MINIMUM BLOWER SPEED (MBS) SPECIFIED FOR THE AIRHANDLER/HEATER
HTR2
BL
R
6
HEAT SEQUENCER R2
RD
TRANSFORMER
RD
FL
YL
M7
2
4
V
T
H
ER
MO
S
T
AT
C
O
N
N
EC
T
IO
N
S
2
HEAT SEQUENCER R1
GN
7
WH
TR
BK
RD
FL
2
FL
L2
BLWR
8
HTR1
BK
BK
YL
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. THIS
FEATURE IS NOT OPERATIONAL WITH LEGACY
SYSTEMS.
0140A00071-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
HT
R K
IT
(K
W
)
C
OOL AF
PR
OF
IL
E
DE
HUM E
N
A
B
L
E
T
R
IM
EN
ABLE
TR
IM %
AF
SELEC
T
RESISTOR
S1 S2 S3 S4
S5 S6 S7 S8 S9 S10 S11 S12 S13
WIRING DIAGRAMS
