Condensing Unit, Heat Pump, Blower and Coil Service Instructions

94
ACCESSORIES 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
.
WIRING CODE
FACTORY WIRING
HIGH VOLTAGE
LOW VOLTAGE
HIGH VOLTAGE
FIELD
OPTIONAL HIGH
VOLTAGE
COLOR CODE
BK--------------- BLACK
BL --------------- BLUE
BL/PK ---------- BLUE/PINK STRIPE
BR --------------- BROWN
OR --------------- ORANGE
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
YL/PK ---------- YELLOW/PINKSTRIPE
1
3
46
E51
E16
PU
RD
(LOW)
BR
RELAY
RELAY
RELAY
HERM
COM
START
RUN
E13
L2 OUT
L2
L1
E10
R
C
START
E5
E8
CAP CO M
CH
E21
E17
START RLY
UC BOARD
FUSE
O
L
R
C
W1
Y1
E2
Y2
FAN
RUN
1
2
1
2
R
C
E25
E29
E28
E26
E9
E23
E22
E14
HIGH
RVS LPCO
HPCO
OAS
OCS
RD
BK
RD
RD
BK
YL
GND
LOW VOLTAGE
BARRIER
BL/PK
BK
YL/PK
BK
YL/PK
BK
RD
BK
BK
BK
BL/PK
RCCF
C
R
S
AUX
MAIN
COMP
CS
Y2
C
BK
YL
RD
CONTROL BOX
L1
L2
K2
C
R
S
COMP
R
S
HERM
C
PSC FAN MOTOR
C
UC CONTROL
HERM
CAP
COM
C
HIGH
LOW
K4
K3
RUN CAPACITOR
K5
O
L
Y2
Y1
W1
C
O
L (OPTIONAL)
Y2
Y1
W1
C
LEGACY INDOOR THERMOSTAT
C
R
2
1
C
R
2
1
RR
C
R
COMMUNICATING INDOOR THERMOSTAT
INDOOR POWER
SUPPLY 24 VAC
TO INDOOR
COMMUNICAT ING PCB
FAN
CAP
0140R00191 - D
FROM
OUTDOOR
UNI T
FROM
OUTDOOR
UNIT
RES
2
5
1
SR
SC
OPTIONAL HARD START
CM
1
2
5
SC
SR
OPTIONAL HARD START
CH
BK
RD
RD
GR/YL
CCH
CHS
RD
BK
RD
CHS
YL
BK
RD
OR
YL
PU
WH
BL
RD
RELAY
RELAY
INDOORPOWER SUPPLY 24 VAC
COMPONENT CODE
C --------------- CONTACTOR
CH ------------- CRANKCASE HEATER
CHS------------ CRANKCASE HEATER SWITCH
CM ------------ CONDENSER FAN MOTOR
COMP --------COMPRESSOR
CS ------------- COMPRESSOR SOLENOID
DT--------------- DISCHARGE THERMOSTAT
HPS ----------- HIGH PRESSURE SWITCH
IO -------------- INTERNAL OVERLOAD
LPS ---------- LOWPRESSURE SWITCH
OAS----------- OUTDOORAIR SENSOR
OCS------------OUTDOORCOIL TEMPSENSOR
RCCF ---------RUN CAPACITOR FOR COMPRESSOR & FAN
RVS ----------- REVERSING VALVE SOLENOID
SC ------------- STARTCAPACITOR FOR COMPRESSOR (OPTIONAL)
SR ------------- STARTRELAY FORCOMPRESSOR (OPTIONAL )
HPS
RVS
DT
SEE NOTE 3
(HEAT PUMP ONLY)
NOTES:
1. USECOPPERSUPPLY WIRESONLY.
2. USE 40VA TRANSFORMER MINIMUM FOR SYSTEM
3. IF DT ISNOTPRESENT,HPS BL/PK WIREGOESDIRECTLY
TO TERMINAL E29.
4. CONTROLSSHOWN WITHTHERMOSTATIN "OFF"POSITION.
5. COMMON SIDE OF 24VAC CONTROL CIRCUITMUST BE
GROUNDED.
6. USE N.E.C.CLASS 2 WIRES.
SEE NOTE 1
230 VACSUPPLY
L1
L2
SEE NOTE 1
TO FIELD LOW
VOLTAGE
CONTROL WIRES.
SEE NOTES 2AND 5
LPS
AUX
MAIN
BK
(HIGH)
BK
O
L
R
C
W1
Y1
E2
Y2
1
2
LPS
E22
E23
E9
E26
E7
E1
HPS
OCS
OAS
DT
RVS
E28
HIGH VOLTAGE AREA
LOW VOLTAGEAREA
H
F
C
BR
YL
PU
E29
IO
E14
CS
NOTE 1
(HEAT PUMP ONLY)
E7
OAT
OCT
E1
SEE NOTE 6
SEE NOTE 6
SEE NOTE 6
SEENOTE 6
A/DSZC16