Midea MV5-X252W/V2GN1 Service Manual page 18

Oil return operation in heating mode and defrosting operation
Figure 2-3.3: MV5-X252(280, 335)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
Filter
High pressure
sensor
pressure
Filter
Capillary
Low pressure
tube
switch
Heating operation
Figure 2-3.4: MV5-X252(280, 335)W/V2GN1 refrigerant flow during heating operation
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure
Heat exchanger
Filter
Four-way
valve
High pressure
sensor
pressure
1-way
valve
Filter
Capillary
tube
Low pressure
switch
201608
1-way valve
Electronic expansion valve
High
switch
Filter
Solenoid
1-way valve
valve SV6
Electronic expansion valve
1-way
Pressure
valve
regulating
valve
High
switch
Filter
Stop valve
Filter
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
OFF
M
Filter
480 steps
"ON"
FAN
OFF
M
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
closed
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