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Control Specification
SiBE04-302
54
Function and Control
3.12
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. Control when frequency changed
3. Control for defrosting (only for heat pump model)
4. Control when a discharge pipe temperature is abnormally high
5. Control when the discharge pipe thermistor is disconnected
Feedback Control
1. Discharge pipe temperature control
Detail
The followings are the examples of control which function in each mode by the electronic
expansion valve control.
(R2833)
×
¡
¡
×
¡
¡
×
×
¡
×
×
×
×
¡
×
×
¡
×
×
×
×
×
Fully closed when power is turned ON
Open control when starting
(Control of target discharge pipe temperature)
Pressure equalizing control
Open control when starting
(Control of target discharge pipe temperature)
(Defrost control FD=1)
Pressure equalizing control
Open control when starting
Continue
Pressure equalizing control
Control when frequency changed
Control for abnormally high discharge
pipe temperature
When power is turned ON
Cooling operation
Stop
Heating operation
Stop
Heating operation
Control of discharge pipe
thermistor disconnection
Stop
Operation pattern
(only for heat
pump model)
(only for heat
pump model)
¡
: function
×
: not function
(only for heat pump model)
Summary of Contents for ARK25BVMB
Page 17: ...Functions SiBE04 302 8 List of Function ...
Page 31: ...Specifications SiBE04 302 22 Specifications ...
Page 137: ...Check SiBE04 302 128 Service Diagnosis ...
Page 172: ...SiBE04 302 Outdoor Unit Removal Procedure 163 4 Remove the fan motor Step Procedure Points ...
Page 184: ...SiBE04 302 Others 175 Part 8 Others 1 Others 176 1 1 Explanation 176 1 2 Jumper Settings 177 ...
Page 195: ...Wiring Diagrams SiBE04 302 186 Appendix ...
Page 199: ...SiBE04 302 iv Index ...