Outline of Control (Indoor Unit)
SiENBE34-703
62
Function
6.4 Freeze Prevention
Freeze
Prevention by Off
Cycle (Indoor
Unit)
When the temperature detected by liquid pipe temperature thermistor (R2T) of the indoor unit
heat exchanger drops too low, the unit enters freeze prevention operation in accordance with
the following conditions, and is also set in accordance with the conditions given below.
Conditions for starting freeze prevention: Temperature is –1°C or less for total of 40 min., or
temperature is –5°C or less for total of 10 min.
Conditions for stopping freeze prevention: Temperature is +7°C or more for 10 min.
continuously
Ex: Case where temperature is –5°C or less for total of 10 min.
+ 7°C
+ 0°C
- 5°C
10 min.
10 min.
Freeze prevention operation
Forced OFF by thermostat
(VG005)
Содержание VRVIII-S
Страница 1: ...SiENBE34 703 Basic Training Manual R 410A Heat Pump 50Hz Service Manual...
Страница 11: ...Introduction SiENBE34 703 x...
Страница 16: ...SiENBE34 703 Specifications 5 Part 2 Specifications 1 Specifications 6 1 1 Outdoor Units 6 1 2 Indoor Units 8...
Страница 113: ...Field Setting SiENBE34 703 102 Test Operation...
Страница 207: ...Troubleshooting by Indication on the Unified ON OFF Control SiENBE34 703 196 Troubleshooting...
Страница 215: ...Wiring Diagrams SiENBE34 703 204 Appendix 2 3 Indoor Unit FXCQ20 25 32 63M8...
Страница 216: ...SiENBE34 703 Wiring Diagrams Appendix 205 FXCQ40 50 80 125M8V3...
Страница 217: ...Wiring Diagrams SiENBE34 703 206 Appendix FXFQ25 32 40 50 63 80 100 125P7VE...
Страница 218: ...SiENBE34 703 Wiring Diagrams Appendix 207 FXZQ20 25 32 40 50M8V1...
Страница 221: ...Wiring Diagrams SiENBE34 703 210 Appendix FXDQ20 25M8V3...
Страница 222: ...SiENBE34 703 Wiring Diagrams Appendix 211 FXSQ20 25 32 40 50 63 80 100 125M8V3...
Страница 232: ...SiENBE34 703 Option List Appendix 221...
Страница 235: ...Example of Connection SiENBE34 703 224 Appendix...
Страница 241: ...Method of Replacing the Inverter s Power Transistors Modules SiBE34 703 230 Appendix...
Страница 261: ...RXYSQ4 5 6 P7Y1B SiENBE34 703 250 Removal Procedure...