Midea MSV1I-09HRDN1 User Manual

32
Annex 2
1. Reference voltage data:
a) Rectifier : Input :220-230V(AC), output :310V(DC)
Normally In power board:
P3 and P4: 310V(DC)
P5 and P6: 310V(DC)
b) Inverter module: U,V, W 3ph.
Result
U-V 60-150V(AC)
U-W 60-150V(AC)
V-W 60-150V(AC)
P-N DC 310V
c) Photo-couple PC817, PC851: Control side <+5V, AC side :< 24V(AC)
d) S terminal and N: changeable from 0-24V
2. Check the Diode Bridge component ( In wiring diagram, rectifier)
Remark: If this part is abnormal, the LED will not light.
Result
Multi-meter
Forward Resistance Backward Resistance
+ _ Infinite Infinite
~
~
+
~500 ohm Infinite
~ -
~
~500 ohm Infinite
~ +
- ~
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Midea MSV1I-09HRDN1 Specifications

General

Brand	Midea
Model	MSV1I-09HRDN1
Category	Air Conditioner
Language	English