Hitachi RAS-4.0UFESNH1 - Refrigerant Flow Diagram; Electrical Wiring Diagram

Refrigerant ow diagram
EEV
OUTDOOR UNITINDOOR UNIT
Gas
piping
Service valve
withcheckjoint
Compressor
Accumulator
4-wayvalve
Heatexchanger
Liquid
piping
Service valve
Heating cycle
Cooling cycle
Electrical wiring diagram
4(SI
)4
(SI)
1(L) 1(L)
2(N) 2(N)
N
L
Outdoor unit
Terminals
Indoor unit
Terminals
Transmission cable
Power supply
4(SI
)4
(SI)
1(L) 1(L)
2(N) 2(N)
N
W
U
V
Outdoor unit
Terminals
Indoor unit
Terminals
Transmission cable
Power supply
3.0/3.5/4.0HP 5.0/6.0/6.5HP
REFRIGERANTFLOWDIAGRAM
HO2019292HA
9
EN