ESIE06-03
Outdoor Unit Functional Concept
Part 2 – Functional Description
2–23
3
2
4
5
1
3.11
Electronic Expansion Valve Control
Overview
This chapter contains the following topics:
Outline
The following items are included in the electronic expansion valve control.
P
Electronic expansion valve is fully closed
P
Electronic expansion valve is fully closed when turning on the power.
P
Pressure equalizing control
P
Open Control
P
Electronic expansion valve control when starting operation
P
Control when frequency changed
P
Control for defrosting
P
Control when a discharge pipe temperature is abnormally high
P
Control when the discharge pipe thermistor is disconnected
P
Feedback Control
P
Discharge pipe temperature control
Topic
See page
3.11.1–Fully Closing with Power ON
3.11.2–Pressure Equalization Control
3.11.4–Starting Operation Control
3.11.5–High Temperature of the Discharge Pipe
3.11.6–Disconnection of the Discharge Pipe Thermistor
3.11.7–Control when frequency is changed
Summary of Contents for Altherma EKHBH Series
Page 2: ...ESIE06 03 1 2 Part 1 System Outline 3 1 1 5 ...
Page 26: ...Functional Diagrams ESIE06 03 1 26 Part 1 System Outline 3 1 1 4 5 ...
Page 32: ...Piping Diagrams ESIE06 03 1 32 Part 1 System Outline 3 1 1 4 5 ...
Page 38: ...Switch Box Layout ESIE06 03 1 38 Part 1 System Outline 3 1 1 4 5 ...
Page 58: ...PCB Layout ESIE06 03 1 58 Part 1 System Outline 3 1 1 4 5 ...
Page 60: ...ESIE06 03 2 2 Part 2 Functional Description 3 1 2 5 ...
Page 68: ...Hydro box Functional Concept ESIE06 03 2 10 Part 2 Functional Description 3 1 2 4 5 ...
Page 88: ...ESIE06 03 3 2 Part 3 Troubleshooting 3 1 3 5 ...
Page 134: ...Error Codes System Malfunctions ESIE06 03 3 48 Part 3 Troubleshooting 3 1 3 4 5 ...
Page 152: ...Additional Checks for Troubleshooting ESIE06 03 3 66 Part 3 Troubleshooting 3 1 3 4 5 ...
Page 154: ...ESIE06 03 5 2 Part 5 Disassembly and Maintenance 3 1 5 ...