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WIRING DIAGRAM
HIGH VOLTAGE!
D
ISCONNECT
ALL
POWER
BEFORE
SERVICING
OR
INSTALLING
THIS
UNIT
.
M
ULTIPLE
POWER
SOURCES
MAY
BE
PRESENT
. F
AILURE
TO
DO
SO
MAY
CAUSE
PROPERTY
DAMAGE
,
PERSONAL
INJURY
OR
DEATH
.
59
Wiring is subject to change. Always refer to wiring diagram on the unit for the most up to date wiring.
0140A00723-C
HEATER KIT
OUTPUT
4
3
6
5
9
8
7
10
11
12
BK
RD
BK
RD
BL
BR
WH
BL
RD
PU
YL
RD BK
GROUND LUG
(SEE NOTE 4)
24VAC
J19
INSTALLING
AUX ALARM
(ALARM)
(SEE NOTE 8)
~~
~~
24VAC
COM
COM
208
VAC
230
VAC
208
VAC
230
VAC
TR2
(SEE NOTE 1)
TR1
(SEE NOTE 1)
FAN
MOTOR
2
1
BK
RD
GY BL
ECM MOTOR
BK
RD
PL1
PL2
9
7
8
4
5
6
3
2
1
PL3
PL4
INTEGRATED CONTROL:
POWER/HEATER
CONNECTOR
PL1, PL2
COMPONENT CODES:
TL
F1U, F2U
TR
THERMAL LIMIT
TRANSFORMER
FUSE LINK
NOTES:
1. PLACE RED WIRES ON 208 V TERMINAL OF
2-TRANSFORMER (TR1/TR2) 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 ANDLOCAL CODES.
5. TO RECALL THE LAST 6 FAULTS, MOST
RECENT TO LEAST RECENT, DEPRESS
FAULT RECALL BUTTON FOR MORE THAN 2
SECONDS WHILE IN STANDBY (NO THERMOSTAT
INPUTS)
6. YELLOW STATUS LED PROVIDES NETWORK
STATUS.GREEN RX LED INDICATES NETWORK
TRAFFIC
7. DISCARD CONNECTOR PL1 WHEN
INSTALLING OPTIONAL HEAT KIT.
8. REMOVE SHORTING PLATE FROM THE AUX
SWITCH TERMINAL WHEN INSTALLING AUX
ALARM SWITCH.
9. USE N.E.C CLASS 2 WIRE.
COLOR CODES:
BL - BLUE
RD - RED
YL - YELLOW
OR - ORANGE
BK - BLACK
GY - GREY
BR - BROWN
GR - GREEN
PU - PURPLE
WH - WHITE
LOW VOLTAGE
LOW VOLTAGE FIELD
HIGH VOLTAGE
HIGH VOLTAGE FIELD
JUNCTION
TERMINAL
INTERNAL TO
RESISTOR
OVERCURRENT
PROT. DEVICE
PLUG CONNECTION
EQUIPMENT GND
FIELD GROUND
THERMISTOR
(HEAT EXCHANGER 1,2)
M
OR
INDOOR UNIT
PCB
THERMISTOR
(HEAT EXCHANGER 1,2)
PRESSURE
SENSOR
EEV
COIL
EEV
M
INTEGRATION
GY
RD
YL
BK
AUX ALARM
(ALARM)
AUX ALARM
(ALARM)
GR
(SEE NOTE 7)
OUTDOOR UNIT
RD
BK
BK
RD
208/230
VAC
TO
HEATER KIT
TRANSFORMER
CONNECTOR
PL3, PL4
BL
GRND
AIR
COM
W
C
208/230 VAC
CONDENSATE SWITCH
INDOOR
L1
HEAT 1 COIL/R1
TR2
INTEGRATED CONTROL MODULE
CIRCULATOR
+VDC (1)
GRND
BLWR
BLWR
EH2
L2
40 VA
R
TO
MICRO
TH2
CIRCULATOR
L1
INDOOR
DEHUM
GRND (4)
RX (2)
24 VAC
AIR
AUX IN
FUSE 3 A
GRND
TX (3)
G
EH1
AUX OUT
TRANSFORMER
DISCONNECT
HEAT 2 COIL/ R2
L2
TYPE
RD
J6
J7
J18
TH1
TR1
Y
J19
TB1
TB2
FH1
FH2
F1U
VR1
C1
D1
C2
D
2
TB
7
TB
4
TB
3
TB
5
TB
6
FH3
F2U
FH4
V
R
2
C
63
U
2
K3
K1
K2
U6
J6
J7
J20
PB1
PB2
PB3
J8
J9 J16
J17
J18
U9
J4
U1
J1
0
B11
B
12
U
4
U
10
C
89
J1
4
J1
1
U
5
U
3
L2
L1
J13
J1
5
J1
2
U7
+
_
~
~
U
8
C
5
R
14
6
C4
C62
R
63
R
62
R
61
L4
J1
J2
L5
J5
J3
R13
R25
R
15
R
14
R
27
R
26
R
C
G
W
Y
DH/
Y2
R
C
2
1
THERMOSTAT
YL
GR
GYBK
W
(AVPEC B* Revision)