Midea MV5-X252W/V2GN1 Service Manual page 20

Oil return operation in heating mode and defrosting operation
Figure 2-3.7: MV5-X400(450, 500, 560, 615)W/V2GN1 refrigerant flow during oil return operation in heating mode and during defrosting
operation
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure
Heat exchanger
High pressure switch
Low pressure
Capillary
switch
tube
Heating operation
Figure 2-3.8: MV5-X400(450, 500, 560, 615)W/V2GN1 refrigerant flow during heating operation
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure
Heat exchanger
Four-way
High pressure
switch
1-way value
Low pressure
Capillary
switch
tube
201608
Solenoid
valve SV6
expansion valve
Filter
expansion valve
Four-way
valve
Pressure
regulating
valve
High
pressure
sensor
Filter
Solenoid 1-way
valve SV6
valve
Electronic
expansion valve
Filter
Electronic
expansion valve
valve
1-way
Pressure
valve
regulating
valve
High
pressure
sensor
1-way
valve
Filter
1-way
valve
Electronic
Filter
Electronic
Stop valve
Filter
Stop
valve
Solenoid
valve SV5
Solenoid
valve SV2
Stop valve
Filter
Stop valve
Filter
Stop valve
Solenoid
valve SV5
Solenoid
valve SV2
Stop valve
V5 X VRF 50/60Hz
Heat exchanger
"ON"
FAN
OFF
M
Filter
480 steps
"ON"
FAN
OFF
M
Filter
480 steps
"OFF"
FAN
M OFF
Filter
480 steps
"ON"
FAN
M
OFF
Filter
480 steps
Heat exchanger
"ON"
FAN
ON
M
Filter
Normal control
"ON"
FAN
ON
M
Filter
Normal control
"OFF"
FAN
OFF
M
Filter
closed
"ON"
FAN
ON
M
Filter
closed
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