Specifications
Table Of Contents
- Cover
- Table of Contents
- Part 1 General Information
- Part 2 Specifications
- Part 3 Refrigerant Circuit
- Part 4 Function
- Part 5 Test Operation
- Part 6 Troubleshooting
- Part 7 Appendix
- 1. Piping Diagrams
- 2. Wiring Diagrams for Reference
- 3. List of Electrical and Functional Parts
- 4. Option List
- 5. Piping Installation Point
- 6. Example of connection (R-410A Type)
- 7. Thermistor Resistance / Temperature Characteristics
- 8. Pressure Sensor
- 9. Method of Checking the Inverter’s Power Transistors and Diode Modules
- Part 8 Precautions for New Refrigerant (R-410A)
- Index
- Drawings & Flow Charts
Si34-704 Piping Installation Point
Appendix 357
5.2 The Example of a Wrong Pattern
Max.allowable
Piping Length
Outdoor Unit - Multi Connection Piping Kit Actual piping length 10m or less, equivalent length 13m or less
Multi Connection Piping Kit - Indoor Unit
Actual piping length 165m or less, equivalent length 190m or
less, the total extension 1000m or less
REFNET Joint - Indoor Unit
Actual piping length 40m or less
(Refer to Page 359, 360 Note 2 in case of up to 90m)
Allowable
Level
Difference
Outdoor Unit - Outdoor Unit 5m or less
Outdoor Unit - Indoor Unit
50m or less
★
90m or less
(when an outdoor unit is lower than indoor units: 40m or less in
case of RXQ5P)
Indoor Unit - Indoor Unit 15m or less
Oil is collected to the outdoor
unit at the time of a stop,
because of bottom omission of
piping.
×
Wrong
(V3039)
Oil is collected to the low level outdoor
unit at the time of a stop, because of
downward slope of piping.
×
The example of installation on which oil is not collected.
Wrong
Good Good
Vertical
Projection
(V3040)