10 22-1754-17
4TWX6060E
Electrical
Data
Schematic Diagrams
(SEE LEGEND)
Printed from D156631P08
MS-1
BR/RD
GR/YL
BK/BL
R D
RD
OR
SC
IOL
RCPR
OR
RD
CS
CSR-1CSR
125
BR
BK/BL
STARTKITBAYKSKT263
T O POWER SUPPL Y PERUNITNAMEPLA T E AND L OCAL CODES
SU M P H T R
TDL
BK BK PR/W H
PR/WH
BK Y 2
W3
W2
W1
J
G
W2
W1
G
R
B
R
VARIABLE SPEED
AIR H ANDLER
TYPICAL HEAT/COOL
THERMOSTA T
TO POWER SU PPL Y
PERLOCAL CODE S
TNS
Y 1
B
X 2
HEAT
CONTROL S
24V
F
MS
BK
BK
NOT E4&5
HPCO
L PC O
O
T
Y 1
Ylo
Y
BL
YL/RD
Y L
BL
BL
BL
BL
C OM PR ESSOR
31
TDR
YL
WH
WH
Y2
B
E E V C TEMP
EEV
T 1 T2
K 2
SOLENOID
R
RD
RD
R D
SC
BL
BL
OR
OR
O
YL/RD
YL/BK
YL/BK
BK
BK
BK
ODT-B
OPTIONAL
REMOTE
OPTIONAL
ODT-A
OR
OR
BK
ACR
S
S
BK
GR
BL
BR
BR/RD
WH
Y L
V A RIABLE
SPEED
OD FAN
MOTOR
BK/BL
GR/YL
MS-2
CR
YL/BR
Y L
Y L
BK/BL
YL
Y L
BK
BK
CBS
ODS
K 1
DFC
GR
LED
K1
K 3
YY X2Y0
OOBBR
YLRD
B
R
Y 2
Y1
O
BL
BL
P-T RD
HAZAR D OUSVOLTA GE !
DISCONNECTALL E LECTRICALPOWER
INCLUDINGREMOTEDISCONNECTS
Failure to disconnect power
before servicing cancause severe
personalinjuryordeath.
WAR NING
USE COPPER CONDUCTORSONLY!
UNITTERMINALS ARE NOTDESIGNED
TO ACCEPT OTHER TYPES OF CONDUCTORS.
Failure to do so may causedamage
to theequipment.
CA UTION
BEFORE SERVICING.
ACR-A/C REC TIFIER
CBS-COIL BOTTOMSE N SOR
CF -FAN CAPACITOR
CN -WIRE C ONNEC T OR
CPR-COMPRESSOR
CR -RU N CAPACITOR
CS -STARTINGCAPACITOR
CSR -CAPACIT OR SW IT CHINGRELA Y
DFC-DEFROSTCO NTROL
EEV-ELECTRONIC EXPVALVE
EEVC -ELECTRONICEXP VALVECONTROL
F-IN DOORFAN R E L AY
HPCO -HIGHPR ESSURECUTOUTSWITCH
IOL-INTERNA L OV E RLOAD PROT E CT OR
LPCO -LOW PRESSURE CUTOUTSWITC H
MS -COMPRESSOR M OTOR C O NT A C TOR
ODA -OUT DOORANTICIPATOR
OFT-OUTDOORFAN THERMOSTAT
ODS-OU TDOOR TEMPERATURESENSOR
ODT -OUTDOOR THERMOSTAT
P-TRD-PR ESSURE TRANSDUCER
SC -SWITCHOVERVALVE SOLENOID
SM -SYST E M ON-OFF SWI TCH
TDL -DISCHARGE LINE T HERMOS TA T
TDR-TIME DELAYRELAY(5SEC DELAYON)
TNS-TRANSFORMER
TEMP -SENSOR ,TEMPERATURE
Y2C-HIGH C A PAC I TYCONTROLRELAY
NOTES:
1. BESUREPOW E R S UPPL YAGREES
WITH EQUIPMENTNAMEPLATE.
2. POWER WIRING ANDGROUNDING OF
EQUIPME N TMUSTCOM PL YWITH
LOCAL CODES.
3.LOW VOLTAGE WIRING T O BE NO.18
AWGMINIMUMCOND UCTOR .
4. ODT-BMUSTBE SET LOWERTHAN ODT-A
5. IF ODT-BISNOT USED,CONNECT AJUMPE R
WIRE FROMW3 T OW2. I FOD T -A ISNOT U SED,
8. BE SURE THE JU M PE RBETWEEN RAND BK
IS CUTORREMOVED.
9. WITH OAND Y/Y2ENERGIZED, INDOOR
FANISAT80% A I R F LOW.
10.WITHO,Y/Y 2AND BK ENERGIZED, INDOOR
FANISAT 100%AIRFLOW.
CONNECT AJUMPE RWI R E FROM W2 TO W 1.
6. IFELECTRIC HEATER DOESNOT HAVE A3R D
CONTACTOR (CH).CONNECT AJUMPE RWIREFROM
W3 TO W2.IF E L ECT R IC HEATER DOES NOTHAVE
A2ND CONTACTOR(BH). CONNECT AJUMPERWIRE
FROM W2 TOW1.
7. X2 MUST BE CONNECT E DTOVARIABLESPEED
AIRHANDLE R T E R M INAL W3 A SSHOWN, FORPROPE
R
INDOOR AIRFL OWDURINGTH E DEFROSTCYCLE
FORCANADIANINSTALLATIONS
POUR INSTALLATIONSCANADIENNES
CAUTION: NOTSUITABLEFOR USEON
SY ST EMSEXCEEDING150V -T O-GROUND
ATTENT ION:NE CONVIENT PASAUX
INSTALLATIONSDEPL USDE150 VA
LATE R RE
1 6
OR O
OR
1
YL/RD
YL/RD
Y 2C
Y2C
YL
BL
BL YL
YL
3