K2F-VRF 50/60 Hz
Retour d'huile en mode chauffage et pendant le dégivrage
Illustration 2-3.11 : Fluide réfrigérant pendant le retour d'huile en mode chauffage et pendant le dégivrage 500(560, 615)
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure
Heat exchanger
High pressure
sensor
Low pressure
Capillary
tube
switch
Chauffage
Illustration 2-3.12 : Fluide réfrigérant pendant le chauffage 500 (560, 615)
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure
Heat exchanger
High pressure
sensor
Check
valve
Low pressure
Capillary
switch
tube
22
Solenoid
valve SV6
expansion valve
Filter
Electronic
expansion valve
Four-way
valve
Pressure
regulating
valve
Filter
High
pressure
switch
Filter
Solenoid
Check
valve SV6
valve
Electronic
expansion valve
Electronic
Filter
expansion valve
Four-way
valve
Check
Pressure
valve
regulating
valve
Filter
High
pressure
switch
Check
valve
Filter
Check
valve
Electronic
Filter
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
Heat exchanger
"ON"
Fan
M
off
Filter
480 steps
"ON"
Fan
M
off
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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