Control Specification
SiUS042113E
72
Part 4 Functions and Control
3.13 Electronic Expansion Valve Control
Outline
The following items are included in the electronic expansion valve control.
Electronic expansion valve is fully closed
1. Electronic expansion valve is fully closed when turning on the power.
2. Pressure equalizing control
Open Control
1. Electronic expansion valve control when starting operation
2. Electronic expansion valve control when the frequency changes
3. Electronic expansion valve control for defrosting
4. Electronic expansion valve control when the discharge pipe temperature is abnormally high
5. Electronic expansion valve control when the discharge pipe thermistor is disconnected
Feedback Control
Target discharge pipe temperature control
Details
The followings are the examples of electronic expansion valve control for each operation mode.
R4003560
: Available
: Not available
Control
Stat
u
s
Starting operation control
Control when the freq
u
ency changes
Target discharge pipe temperat
u
re control
Discharge pipe thermistor disconnection control
High discharge pipe temperat
u
re control
Defrost control (heating only)
Press
u
re eq
u
alizing control
Opening limit control
Power on ; Compressor stop
Operation start
Freq
u
ency change
u
nder starting control
D
u
ring target discharge pipe temperat
u
re control
Freq
u
ency change
u
nder target discharge pipe
temperat
u
re control
Discharge pipe thermistor disconnection
Freq
u
ency change
u
nder discharge pipe thermistor
disconnection control
D
u
ring defrost control
Содержание FTXM-V Series
Страница 13: ...SiUS042113E Part 1 General Information 9 1 Applicable Models 10 2 Functions 11 Part 1 General Information...
Страница 16: ...SiUS042113E 12 Part 2 Specifications 1 Specifications 13 Part 2 Specifications...
Страница 96: ...Troubleshooting SiUS042113E 92 Part 6 Service Diagnosis Reference Check No 01 Refer to P 134...
Страница 147: ...SiUS042113E Check Part 6 Service Diagnosis 143 09 12 class 18 24 class 1 2 3 4 Multimeter R24538 1 2 3 4 Multimeter...
Страница 150: ...Check SiUS042113E 146 Part 6 Service Diagnosis 18 24 class R24539 DC DC W V U...
Страница 165: ...SiUS042113E Piping Diagrams Part 8 Appendix 161 1 2 Outdoor Unit RXM09 12VVJU RXM18VVJU 3D131979 3D132216...
Страница 166: ...Piping Diagrams SiUS042113E 162 Part 8 Appendix RXM24VVJU 3D132217...
Страница 171: ...SiUS042113E Operation Limit Part 8 Appendix 167 3 Operation Limit RXM09 12 18 24VVJU 3D133582A...
