Panasonic CU-4E24RBU - 5 Block Diagram; Cu-3 E19 Rbu

19
5. Block Diagram
5.1 CU-3E19RBU
L1 L2
1 2 3
1 2 3
MS
3~
M
FUSE 1
NTC
4-WAY
VALVE
RY-HOT
HEATER
RY-HT
FUSE 2
FUSE 401
SINGLE PHASE POWER SUPPLY
TO INDOOR UNIT A TO INDOOR UNIT B
RY-AC
RY-PWR
(OUTDOOR UNIT)
PTC
PFC CIRCUIT
CAPACITOR CIRCUIT
RECTIFICATION
CIRCUIT
RECTIFICATION
CIRCUIT
REACTOR
NTC
SC
NTC
NOISE FILTER
CIRCUIT
1 2 3
TO INDOOR UNIT C