– 52 –
4. IPM (Intelligent Power Module)
•
Fig.4-1 shows the intelligent power module and its peripheral circuit.
The three transistors on the positive e side are called the upper arm, and the three transistors on the
negative d side, the lower arm.
Fig. 4-1 Intelligent power module circuit (U
+
is ON, V is ON)
IP limitter
Summary of Contents for RAC-18YH4
Page 21: ... 19 GRAM 18YH4 RAC 18YH4 CAUTION The marked parts are very important ones for safety ...
Page 23: ... 21 RAS 18YH4 MODEL ...
Page 24: ... 23 RAC 18YH4 MODEL H8 3 0 3 9 AX 8 T 1 0 ...
Page 27: ... 26 MAIN P W B MARKING ON P W B COMPONENT SIDE SOLDERING SIDE MODEL RAC 18YH4 ...
Page 29: ... 29 button MODEL RAS 18YH4 BASIC MODE 31 33 33 33 37 35 ...
Page 35: ... 38 REFRIGERATING CYCLE DIAGRAM MODEL RAS 18YH4 RAC 18YH4 SUCTION TANK SUCTION TANK ...
Page 99: ...Printed in Japan TSK AW NO 0004E RAS 18YH4 RAC 18YH4 ...