Wiring Diagrams - Lennox ELA Series Unit Information

V - Wiring Diagrams
TB1
24VAC
TB1
H1
H2
C2
C1
TB1
C
1 S149 SWITCH AND K220 RELAY MAY BE
FIELD SUPPLIED OR USE AVAILABLE KIT
S50 LOCATION ON UNITS WITH TWO
2
SINGLE SPEED COMPRESSORS
FOR USE WITH COPPER
3
CONDUCTORS ONLY
4 S50 LOCATION ON UNITS WITH ONE
DUAL SPEED COMPRESSOR
K232
9
6
7
2
1
K220-1
4
S50
1
PC
B
S149
STF
A
RH
1
K220
SD
C
B
A
K232
B
3
R S T
GROUND
A96
U V W
B3
FIGURE 7. Typical Wiring Diagram
2
S50
S49
A183
H2
1 PC
2
STF
3
RL RL
K43
A
4
RH
5 SD
B
A96
KEY COMPONENT
A96 CONTROL, INVERTER
A183 CONTROL, VFD BOARD
J/P246 JACK/PLUG POWER TO VFD
J/P247
JACK/PLUG VFD TO MTR
J/P248 JACK/PLUG VFD CONTROL
B3 MOTOR-BLOWER
K43,-1
RELAY-ECONOMIZER BLOWER
K220,-1
RELAY-OVERFLOW
K232,-1
RELAY-INVERTER PROTECTION
S49
SWITCH-FREEZESTAT COMPRESSOR 1
S50 SWITCH-FREEZESTAT COMPRESSOR 2
S149 SWITCH-OVERFLOW
TB1 TERMINAL STRIP-CLASS II VOLT
TB13 TERMINAL BLOCK, POWER DISTRIBUTOR
G IF ANY WIRE IN THIS APPLIANCE IS REPLACED, IT
MUST BE REPLACED WITH WIRE OF LIKE SIZE,
RATING, INSULATION THICKNESS AND TERMINATION
G
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
DENOTES OPTIONAL COMPONENTS
Page 24
R
Y2
Y1
5
K43-1
G
7 2
W1
W2
VFD CONTROL (G)
COMMON
BLOWER
REV 0
Lennox Commercial