Lennox ELXA Series Unit Information page 29

9 6
24VAC
TB1 K232
1
4
TB1
H1
H2
C3
C2
1
C1
S149
1
DL58
3
A
1
K220
B
A
K43
B
TB1
C
F4
3
L1
L2
L3
F3
GROUND
HE1
KW HE1 HE2 HE3
25 6.25 6.25 6.25 6.25
35 8.3 8.3 8.3 8.3
S149 SWITCH AND K220 RELAY MAY BE
1
FIELD SUPPLIED OR USE AVAILABLE KIT
2 S50 LOCATION ON UNITS WITH TWO
COMPRESSORS
3 USE COPPER CONDUCTORS ONLY
4 S50 LOCATION ON UNITS WITH ONE
COMPRESSOR
7 2
K220-1
2
S50
S49
S50
J248
P248
P248
1
7
J248
4
HE2
HE3 HE4
HE4
IF ANY WIRE IN THIS APPLIANCE IS REPLACED, IT
MUST BE REPLACED WITH WIRE OF LIKE SIZE,
RATING,INSULATION THICKNESS AND TERMINATION
WARNING-ELECTRIC SHOCK HAZARD, CAN CAUSE
INJURY OR DEATH. UNIT MUST BE GROUNDED IN
ACCORDANCE WITH NATIONAL AND LOCAL CODES
DISCONNECT ALL POWER BEFORE SERVICING
5
K43-1
7 2
S15
H2
T2
S20
K15
K264-1
TB13
J246
P246
J247
P247
B3
Supersedes
C 2022
FIGURE 10
Page 29
TB1 TB1
W2 W1
TB1
HEAT PUMP
W2
UNITS
COOLING
UNITS
COOLING
UNITS
W2 W1
K32
A A
K19 K9
B
B
K16
C
C TB1
K19-1
KEY COMPONENT
A96 CONTROL, INVERTER
CONTROL, VFD BOARD
A183
MOTOR-BLOWER
B3
DL58 DELAY, ADJUSTABLE, ON MAKE
F3 FUSE-ELECTRIC HEAT
F4 FUSE-UNIT
HE1 ELEMENT-ELECTRIC HEAT 1
HE2 ELEMENT-ELECTRIC HEAT 2
HE3
ELEMENT-ELECTRIC HEAT 3
HE4 ELEMENT-ELECTRIC HEAT 4
J/P246 JACK, PLUG-POWER TO VFD
J/P247 JACK, PLUG-VFD TO MOTOR
J/P248 JACK, PLUG-VFD CONTROL
K9,-1 RELAY-HEAT
K15,-1 CONTACTOR-ELECTRIC HT 1
CONTACTOR-ELECTRIC HT 2
K16,-1
RELAY-STAGE TWO HEAT
K19,-1
RELAY-SEQUENCER, ELECTRIC HEAT 1
K32,-1
K43,-1 RELAY-ECONOMIZER BLOWER
K220,-1 RELAY-OVERFLOW
K232
RELAY-INVERTER PROTECTION
K264-1
RELAY-A96 SIGNAL SWITCHING
S15
SWITCH-LIMIT,PRIMARY,ELECT HT
S20
SWITCH-LIMIT,SECONDARY ELECT HT
S49 SWITCH-FREEZESTAT COMPRESSOR 1
S50 SWITCH-FREEZESTAT COMPRESSOR 2
S149 SWITCH-OVERFLOW
T2 TRANSFORMER-ELECTRIC HEAT
TB1 TERMINAL STRIP-CLASS II VOLT
TERMINAL STRIP-POWER DISTRIBUTION
TB13
LINE VOLTAGE FIELD INSTALLED
DENOTES OPTIONAL COMPONENTS
WIRING DIAGRAM
HEATING - ELECTRIC
T3EH - ELITE 072 - 150 UNITS - Y
25,35 kW
SECTION B3
New Form No.
538289-01
R
Y3
Y2
Y1
G
W1
W2
VFD CONTROL (G)
COMMON
10/22
REV 1
Lennox Commercial