Lennox Elite CBX32M-024 Installation Instructions Manual page 11

L2 LI
CIRCUIT 1
,ll
K3 INDOOR
BLOWER RELAY
_LI (Black)
L2 (Orange)
FIELD-SUP-
PLIED
WIRE NUTS
GROUND
THERMOSTAT
j I L
r- L
Ir
wax
TRANSFORMER
CB1 0
CIRCUIT
BREAKER
OR
FUSE
TBI I
[ _I
TERMINAL
I
BLOCK
I
J
J
NOTE - USE COPPER CONDUCTORS ONLY.
REFER TO UNIT RATING PLATE FOR MINIMUM
CIRCUIT AMPAClTY AND MAXIMUM OVERCUR-
RENT PROTECTION SIZE
LINE VOLTAGE FIELD INSTALLED
CLASS 2 VOLTAGE FIELD INSTALLED
NEC/CEC
NOTE - ALL REMAINING WIRES ARE FACTORY
INSTALLED
A'X TO EXTERNAL LOAD 24VAC AT .50 AMP MAXIMUM.
Z_ FACTORY INSTALLED JUMPERS
Figure 14. Typical Field Wiring - Cooling Only Application
BLL
2€v POWER R
T
F _ EC0N
__ j BLUER 6
CB SERIgS
I DESCRIPTION
JKEY 1 COMPONEN_
18_ IMOTOR -I_10_R
_ _IHIJIJII I_N_A_,H-INANb H
F FUSff2TIRANSFORMER
J2 ACK=ELECTRIC HEAT
_0_R
-
RELAY-ECONOM I ZER HEAT
ITBI ITERI_, STRIP-CLAD5 II
EC8 S[RIEg
I D_?qR{PTIQN
KEY 1 _OMP_)NgNT
CBE IClRCOlr
BREAkER-ELECT,
HT
_CB2 IClRCUIT BREAKER-ELECT. HT
_Cg5 leIRCUIT
BREA_(ER-£LEeT.
HT
IT_
ITERM[NAL STRIP-UNIT
MOTOR SPEED TAP CHART
2¢V COMMON C
FIELD
WIRING FOR ECB
SERIES UNITS WITHOUT
CIRCUIT BREAKERS
CIRCUIT i Z_
Z_ _EOUIPMEN_ GROUND
/3
CBB USED ON 0¢8 AN_ O6,0 UNIT5 ONLY
--LINE VOLTAGE FIELD WIRING
-- --CLASS IT VOLTAGE FIELD WIRING
ZZ_ REFER TO FACTORY BLOV#ER SPEED TAP SELECTION
CHART ON UNIT FOR BLOVAER SPEED INFORMATION,
L_NEC/OEC CLASS 2 3VA
/_ USE COPPER CONDUCTORS ONLY.
REFER TO UNIT RATING PLATE FORMINIMt_
CIRCUIT AMPACITY AND _AXIMUM OVERCURRENT
PROTECTION SIZE
z_ L3 CONNECT{ON USED ON (Y) ELECTRIC R[ATER_ ONLy
A
EQUIPMENT OROUND LOCATED IN INDOOR UNIT
Z_ CONNECT PO_VER WIRES FROM HEATER LABELED LI,L2,0N
"p* VOLTAGE UNITS AND LI,LZ,L3 ON "y" VOLTAGE
UNITS TO TO2 TERMINAL STRIP IN INDOOR UNIT.
z_ L_ IS NOT PRESENT ON (P) ELECTRIC HEATERS
Z_ THE NU_RO_CIRCUITS VARY ACCORDING
TO HEATER WOOEL REFER TO FAN COIL
NAMEPLATE FOR ACTUAL NU_ER EMPLOYED
FIELD WIRING FOR ECB SERIES
UNITS WITH CIRCUIT BREAKERS
CIRCUIT 3 CIRCUIT 2 CIRCUIT
A
EOU]PMENT T GROUND
..... t EoU'P"E°T oo,P E.,
GROUND
Figure 15. Typical Wiring Diagram - Single Phase
Page 11
CBX32M SERIES