Lennox MLA Série Instructions D'installation page 22

CN2
CN3
Carte IPM et PFC
BLACK
RED
BLUE
COMP
CN8 CN5
3 3
DCFAN2
DCFAN1
Figure 39. Schéma de câblage de l'unité extérieure 208 / 230V MLB036S4S- * P et MLB048S4S- * P
Y/G
P6
CN4
RED
CT1
RED
CN2
Carte contrôleur principale
10
CN9 CN6
6 6
Y/G
Y/G
P5 BLACK
CN3
RED
CN1
Y/G
BLUE
P7
BROWN
P8
XT3
BLACK
RED
WHITE
Y/G
BLACK
CN25
RED
CN24
RED
BLUE
CN18
4-WAY
BLUE SV
CN17
COMP TOP
OLP TEMP
SENSOR
22
XT2
Notes:
This symbol indicates the element is optional,
the actual shape shall be prevail.
CODE
HEAT_D PART NAME
COMP COMPRESSOR
The electric heating
belt of chassis
CAP1,CAP2
FAN MOTOR CAPACITOR
HEAT_Y
CT1
AC CURRENT DETECTOR
The electric heating
EEV ELECTRIC EXPANSIVE VAL VE
belt of compressor
OUTDOOR DC FAN
DCFAN1,DCFAN2
HEAT_D,HEAT_Y
CRANKCASE HEATING
H-PRO HIGH PRESSURE SWITCH
L-PRO
LOW PRESSURE SWITCH
4-WAY V ALVE
4-WAY
EXHAUST TEMPERATURE
PAIQI
SENSOR
CONDENSER TEMPERATURE
T3
SENSOR
T4 OUTDOOR AMBIENT
TEMPERATURE SENSOR