Electrical Diagrams - Airton 409730 Manual De Instalación

ELECTRICAL CONNECTION OF THE INDOOR UNIT(S) TO THE OUTDOOR UNIT
Be sure to turn off the power supply before performing any work on the electrical system or safety.
1. Remove the cover.
2. Connect the wiring to the electrical terminal block and make sure it matches the wall unit.
3. It is essential to follow the electrical connections shown in the electrical diagrams.
4. Securely fasten the wiring with the clips or screws.
5. Connect the earth wire securely to the marked terminal to avoid electric shock and fire hazard.
6. Screw in the pull-stops tightly.
7. Replace the cover.
NOTE: Depending on the model, the wiring diagram may be different. Please refer to the electrical diagrams attached to
the indoor and outdoor units respectively. See diagrams below
Remove this part to access the
terminal blocks connecting
to the outdoor unit
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ELECTRICAL DIAGRAMS

For single split air conditioner ref 409730 (SMVH09B-2A2A3NH)
N L N(1)
yellow-
green blue brown
Connection to the indoor unit
N L
Power supply
For Bi split air conditioner ref 409733 /SUV2-H18/3CFA-N
OUTDOOR UNIT
XT XT1 (system 1)
PE
N L N(1)
blue brown yellow- blue black
green
INDOOR UNIT
Power supply
3500 W (12K)
For Tri split air conditioner ref 409894 (SUV3-H24/3CGA-N)
XT1 (system 1)
XT
PE
N L N(1)
br- yellow-
blue blue black
own
green
Power supply INDOOR UNIT
3500 W (12K)
ref 409731 (SMVH12B-2A2A3NH)
ref 409732 (SMVH18B-4A2A3NG)
2 3
yellow-
blue black brown
green
XT2 (system 2)
2 3 N(1) 2 3
brown yellow- blue black brown yellow-
green green
INDOOR UNIT
2500 W (9K)
OUTDOOR UNIT
XT2 (system 2)
2 3 N(1) 2
blue black
brown
brown yellow-
green
INDOOR UNIT
2500 W (9K)
EN
PE
XT2 (system 2)
PE PE
3 N(1) 2 3
yellow-
blue black yellow-
brown
green
green
INDOOR UNIT
2500 W (9K)
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