Panasonic CS-E12RB4UW Service Manual page 27

10.2.1.2 CU-E18RB4U
CN-EV
CN-TH1
CN-TANK
CN-ACFM
CN-HT
CN-HOT
AC-BLK
AC-WHT
CURRENT
TRANSFORMER
(CT)
27
CN-COM
POWER
TRANSISTOR
(IPM)