Mitsubishi Electronics r410a Air Conditioner User Manual


 
[ VII Control ]
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HWE09080 GB
-16- Cooling/heating Circuit Control and General Function of System Equipment
High-pressure gasHigh-pressure gas
Heat exchanger
High-pressure
liquid
4-way valve
Check valve
Selector valve
Low-pressure two-phase
Low-pressure two-phase
Low-
pressure
two- phase
High-pressure liquid
Low-
pressure
two- phase
Low-
pressure
two- phase
Heat exchanger
High-pressure
liquid
High-pressure
liquid
High-pressure
liquid
High-pressure
liquid
High-pressure liquid
Cooling
Cooling
Cooling
Heating
Cooling
Heating
Heating
Heating
Low-
pressure
pipe
High-
pressure
pipe
High-
pressure
gas
High-
pressure
gas
High-
pressure
gas
High-pressure
two-phase
Low-pressure
gas
Low-pressure
gas
Low-pressure gasLow-pressure gas
Low-
pressure
gas
Gas-liquid
separator
Heat source unit BC controller
Indoor unit
LEV
LEV
M
L
M
L
M
L
M
L
A
O
M
L
M
L
M
L
M
L
A
O
B
C
D
I
J
J
E
F
F
N
N
N
K
M
L
M
L
M
L
G
H
A
O
L
J G
I
K H
D C F E B
N
A
M
O
J
G
I
K
H
D
C
F
E
B
A
M
L
F
M
A
O
M
L
A
O
M
A
I
E
K
B
C
D
B
C
D
B
C
D
F
G
H
Gas-liquid mixture
Pressure
Liquid
Gas
Enthalpy
(energy)
Schematic diagram of refrigerant circuit
Gas
Two-phase
Liquid
Schematic diagram of refrigerating cycle
Cooling
only
Operation
status
Cooling
main
Heating
only
Heating
main